Motorola Solutions 89FC5798 Non-Broadcast Transmitter User Manual Quad BR 800 Tx FCC Filing

Motorola Solutions, Inc. Non-Broadcast Transmitter Quad BR 800 Tx FCC Filing

89FC5798 User Manual PDF Download & Text

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APPLICANT: MOTOROLA INC.
EQUIPMENT TYPE: ABZ89FC5798
INSTRUCTION MANUALS
The instruction and service manual for this base radio are not published at this time. However, draft copy of the
manual is available and has been included as part of the filing package in the form of an electronic pdf document.
Upon request, published and/or printed manuals will be sent to the commission and/or telecommunication
certification body (TCB) as soon as they become available. All of the descriptions and schematics included this
filing package are up to date.
EXHIBIT 8
APPLICANT: MOTOROLA INC.
EQUIPMENT TYPE: ABZ89FC5798
TUNE-UP PROCEDURE
There is no field tune-up procedure. All adjustments are software controlled and are pre-set at the factory. Certain
station operating parameters can be changed via man-machine interface (MMI) commands, within predetermined
limits. Examples include transmit / receiver operating frequencies and power level.
EXHIBIT 9
Global Telecommunications Solutions Sector
ENHANCED BASE TRANSCEIVER SYSTEM (EBTS)
VOLUME 2 OF 3
BASE RADIOS
PRELIMINARY
© 2002 Motorola, Inc.
All Rights Reserved
Printed in U.S.A.
68P80801H45-1
ECCN 5E992
FCC INTERFERENCE WARNING
The FCC requires that manuals pertaining to Class A computing devices must contain warnings about possible interference with local residential radio and TV reception. This
warning reads as follows:
Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference when the equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of
this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own
expense.
INDUSTRY OF CANADA NOTICE OF COMPLIANCE
This Class A digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.
Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada.
COMMERCIAL WARRANTY (STANDARD)
Motorola radio communications products (the “Product”) is warranted to be free from defects in material and workmanship for a period of ONE (1) YEAR (except for crystals and
channel elements which are warranted for a period of ten (10 years) from the date of shipment. Parts including crystals and channel elements, will be replaced free of charge for
the full warranty period but the labor to replace defective parts will only be provided for One Hundred-Twenty (120) days from the date of shipment. Thereafter purchaser must
pay for the labor involved in repairing the Product or replacing the parts at the prevailing rates together with any transportation charges to or from the place where warranty
service is provided. This express warranty is extended by Motorola, 1301 E. Algonquin Road, Schaumburg, Illinois 60196 to the original end use purchaser only, and only to
those purchasing for purpose of leasing or solely for commercial, industrial, or governmental use.
THIS WARRANTY IS GIVEN IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED WHICH ARE SPECIFICALLY EXCLUDED, INCLUDING WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MOTOROLA BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES TO
THE FULL EXTENT SUCH MAY BE DISCLAIMED BY LAW.
In the event of a defect, malfunction or failure to conform to specifications established by Motorola, or if appropriate to specifications accepted by Motorola in writing, during the
period shown, Motorola, at its option, will either repair or replace the product or refund the purchase price thereof. Repair at Motorola's option, may include the replacement of
parts or boards with functionally equivalent reconditioned or new parts or boards. Replaced parts or boards are warranted for the balance of the original applicable warranty
period. All replaced parts or product shall become the property of Motorola.
This express commercial warranty is extended by Motorola to the original end user purchaser or lessee only and is not assignable or transferable to any other party. This is the
complete warranty for the Product manufactured by Motorola. Motorola assume no obligations or liability for additions or modifications to this warranty unless made in writing and
signed by an officer of Motorola. Unless made in a separate agreement between Motorola and the original end user purchaser, Motorola does not warrant the installation,
maintenance or service of the Products.
Motorola cannot be responsible in any way for any ancillary equipment not furnished by Motorola which is attached to or used in connection with the Product, or for operation of
the Product with any ancillary equipment, and all such equipment is expressly excluded from this warranty. Because each system which may use Product is unique, Motorola
disclaims liability for range, coverage, or operation of the system as a whole under this warranty.
This warranty does not cover:
a) Defects or damage resulting from use of the Product in other than its normal and customary manner.
b) Defects or damage from misuse, accident, water or neglect
c) Defects or damage from improper testing, operation, maintenance installation, alteration, modification, or adjusting.
d) Breakage or damage to antennas unless caused directly by defects in material workmanship.
e) A Product subjected to unauthorized Product modifications, disassemblies or repairs (including without limitation, the addition to the Product of non-Motorola supplied
equipment) which adversely affect performance of the Product or interfere with Motorola's normal warranty inspection and testing of the Product to verify any warranty claim.
f) Product which has had the serial number removed or made illegible.
g) A Product which, due to illegal to unauthorized alteration of the software/firmware in the Product, does not function in accordance with Motorola's published specifications or
the FCC type acceptance labeling in effect for the Product at the time the Product was initially distributed from Motorola.
This warranty sets forth the full extent of Motorola's responsibilities regarding the Product. Repair, replacement or refund of the purchase date, at Motorola’s option is the
exclusive remedy. IN NO EVENT SHALL MOTOROLA BE LIABLE FOR DAMAGES IN EXCESS OF THE PURCHASE PRICE OF THE PRODUCT, FOR ANY LOSS OF USE,
LOSS OR TIME, INCONVENIENCE, COMMERCIAL LOSS, LOST PROFITS OR SAVINGS OR OTHER INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGE ARISING
OUT OF THE USE OR INABILITY TO USE SUCH PRODUCT, TO THE FULL EXTENT SUCH MAY BE DISCLAIMED BY LAW.
SOFTWARE NOTICE/WARRANTY
Laws in the United States and other countries preserve for Motorola certain exclusive rights for copyrighted Motorola software such as the exclusive rights to reproduce in copies
and distribute copies of such Motorola software. Motorola software may be used in only the Product in which the software was originally embodied and such software in such
Product may not be replaced, copied, distributed, modified in any way, or used to produce any derivative thereof. No other use including without limitation alteration, modification,
reproduction, distribution, or reverse engineering of such Motorola software or exercise of rights in such Motorola software is permitted. No license is granted by implication,
estoppel or otherwise under Motorola patent rights or copyrights.
This warranty extends only to individual products: batteries are excluded, but carry their own separate limited warranty.
In order to obtain performance of this warranty, purchaser must contact its Motorola salesperson or Motorola at the address first above shown, attention Quality Assurance
Department.
This warranty applies only within the fifty (50) United States and the District of Columbia.
Base Radios
About This Volume
Volume 2 of the Enhanced Base Transceiver System (EBTS) manual, Base Radios,
provides the experienced service technician with an overview of the EBTS
operation and functions, and contains information regarding the 800 MHz,
900 MHz, 1500 MHz Single Channel and 800 MHz and 900 MHz QUAD Channel
Channel base radios.
The EBTS System has three major components:
❐
Generation 3 Site Controller (Gen 3 SC) or an integrated Site Controller (iSC)
❐
Base Radios (BRs)
❐
RF Distribution System (RFDS)
Installation and testing is described in Volume 1, System Installation and Testing,
and RFDS are described in Volume 3, RF Distribution Systems (RFDS). Detailed
information about the Gen 3 SC is contained in the Gen 3 SC Supplement Manual,
68P80801E30. Detailed information about the iSC is contained in the iSC
Supplement Manual, 68P81098E05
The information in this manual is current as of the printing date. If changes to
this manual occur after the printing date, they will be documented and issued as
Schaumburg Manual Revisions (SMRs).
Target Audience
The target audience of this document includes ﬁeld service technicians
responsible for installing, maintaining, and troubleshooting the EBTS.
In keeping with Motorola’s ﬁeld replaceable unit (FRU) philosophy, this manual
provides sufﬁcient functional information to the FRU level. Please refer to the
appropriate section of this manual for removal and replacement instructions.
Global Telecommunications Solutions Sector
6 8 P 8 0 8 0 1H45- 1 1/20/2002
1301 E. Algonquin Road, Schaumburg, IL 60196
11
Base Radios
EBTS System Manual - Vol 2
Maintenance Philosophy
The EBTS has been designed using a Field Replaceable Unit (FRU) maintenance
concept. To minimize system down time, faulty FRUs may be quickly and easily
replaced with replacement FRUs. This helps to restore normal system operation
quickly.
Due to the high percentage of surface mount components and multi-layer circuit
boards, ﬁeld repair is discouraged. Faulty or suspect FRUs should be returned to
the Motorola Customer Support Center for further troubleshooting and repair.
Each FRU has a bar code label attached to its front panel. This label identiﬁes a
sequential serial number for the FRU. Log this number whenever contacting the
Motorola Customer Support Center. For complete information on ordering
replacement FRUs, or instructions on how to return faulty FRUs for repair,
contact:
Nippon Motorola LTD.
Tokyo Service Center
044-366-8860
OR
Motorola Customer Support Center
1311 East Algonquin Road
Schaumburg, Illinois 60196
(800) 448-3245 or (847) 576-7300
Technical Support Service
Motorola provides technical support services for installation, optimization, and
maintenance of its ﬁxed network equipment. Before calling the Motorola
Customer Support Center, please note the following information:
12
❐
Where the system is located.
❐
The date the system was put into service.
❐
A brief description of problem.
❐
Any other unusual circumstances.
68P80801H45-1
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Base Radios
General Safety Information
General Safety Information
The following general safety precautions must be observed during all phases of
operation, service, and repair of the equipment described in this manual. The
safety precautions listed below represent warnings of certain dangers of which
we are aware. You should follow these warnings and all other safety precautions
necessary for the safe operation of the equipment in your operating environment.
Read and follow all warning notices and instructions marked on the product or
included in this manual before installing, servicing or operating the equipment.
Retain these safety instructions for future reference. Also, all applicable safety
procedures, such as Occupational, Safety, and Health Administration (OSHA)
requirements, National Electrical Code (NEC) requirements, local code
requirements, safe working practices, and good judgement must be used by
personnel.
Refer to appropriate section of the product service manual for additional
pertinent safety information.
Because of the danger of introducing additional hazards, do not install substitute
parts or perform any unauthorized modiﬁcations of equipment.
Identify maintenance actions that require two people to perform the repair. Two
people are required when:
A repair has the risk of injury that would require one person to perform ﬁrst
aid or call for emergency support. An example would be work around high
voltage sources. A second person may be required to remove power and call
for emergency aid if an accident occurs to the ﬁrst person.
Use the National Institute of Occupational Safety and Health (NIOSH) listing
equation to determine whether a one or two person lift is required when a
system component must be removed and replaced in its rack.
If troubleshooting the equipment while power is applied, be aware of the live
circuits.
DO NOT operate the transmitter of any radio unless all RF connectors are secure
and all connectors are properly terminated.
All equipment must be properly grounded in accordance with Motorola Standards
and Guidelines for Communications Sites “R56” 68P81089E50 and speciﬁed
installation instructions for safe operation.
Slots and openings in the cabinet are provided for ventilation. To ensure reliable
operation of the product and protect it from overheating, these slots and openings
must not be blocked or covered.
Only a qualiﬁed technician familiar with similar electronic equipment should
service equipment.
Some equipment components can become extremely hot during operation. Turn
off all power to the equipment and wait until sufﬁciently cool before touching.
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13
Base Radios
EBTS System Manual - Vol 2
General Safety Information
Human Exposure Compliance
This equipment is designed to generate and radiate radio frequency (RF) energy
by means of an external antenna. When terminated into a non-radiating RF load,
the base station equipment is certiﬁed to comply with Federal Communications
Commission (FCC) regulations pertaining to human exposure to RF radiation in
accordance with the FCC Rules Part 1 section 1.1310 as published in title 47 code
of federal regulations and procedures established in TIA/EIA TSB92, Report on
EME Evaluation for RF Cabinet Emissions Under FCC MPE Guidelines,
Compliance to FCC regulations of the ﬁnal installation should be assessed and
take into account site speciﬁc characteristics such as type and location of
antennas, as well as site accessibility of occupational personnel (controlled
environment) and the general public (uncontrolled environment). This equipment
should only be installed and maintained by trained technicians. Licensees of the
FCC using this equipment are responsible for insuring that its installation and
operation comply with FCC regulations Part 1 section 1.1310 as published in title
47 code of federal regulations.
Whether a given installation meets FCC limits for human exposure to radio
frequency radiation may depend not only on this equipment but also on whether
the “environments” being assessed are being affected by radio frequency ﬁelds
from other equipment, the effects of which may add to the level of exposure.
Accordingly, the overall exposure may be affected by radio frequency generating
facilities that exist at the time of the licensee’s equipment is being installed or
even by equipment installed later. Therefore, the effects of any such facilities must
be considered in site selection and in determining whether a particular
installation meets the FCC requirements.
FCC OET Bulletin 65 provides materials to assist in making determinations if a
given facility is compliant with the human exposure to RF radiation limits.
Determining the compliance of transmitter sites of various complexities may be
accomplished by means of computational methods. For more complex sites direct
measurement of power density may be more expedient. Additional information
on the topic of electromagnetic exposure is contained in the Motorola Standards and
Guideline for Communications Sites publication. Persons responsible for installation
of this equipment are urged to consult the listed reference material to assist in
determining whether a given installation complies with the applicable limits.
In general the following guidelines should be observed when working in or
around radio transmitter sites:
- All personnel should have electromagnetic energy awareness training.
- All personnel entering the site must be authorized.
- Obey all posted signs
- Assume all antennas are active
- Before working on antennas, notify owners and disable appropriate
transmitters.
- Maintain minimum 3 feet clearance from all antennas.
- Do not stop in front of antennas.
- Use personal RF monitors while working near antennas.
- Never operate transmitters without shields during normal operation.
- Do not operate base station antennas in equipment rooms
14
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Base Radios
General Safety Information
For installations outside of the U.S., consult with the applicable governing body
and standards for RF energy human exposure requirements and take necessary
steps for compliance with local regulations.
References:
TIA/EIA TSB92 “Report on EME Evaluation for RF Cabinet Emissions Under
FCC MPE Guidelines”, Global Engineering Documents: http://globl.ihs.com/
FCC OET Bulletin 65 “Evaluating Compliance with FCC Guidelines for Human
Exposure to Radiofrequency Electromagnetic Fields”; http://www.fcc.gov/oet/
rfsaftey/.
Motorola Standards and Guideline for Communications Sites, Motorola manual
68P81089E50.
IEEE Recommended Practice for the Measure of Potentially Hazardous
Electromagnetic Fields-- RF and Microwave, IEEE Std. C95.3-1991, Publication
Sales, 445 Hoes Lane, P.O. Box 1331, Piscattaway, NJ 08855-1331
IEEE Standard for Safety Levels with Respect to Human Exposure to Radio
Frequency Electromagnetic Fields, 3 kHz to 300 GHz, IEEE C95.1-1991,
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15
Base Radio
Overview
This chapter provides an overview of the 800/900/1500 MHz Legacy,
800 MHz Generation 2 Single Channel, 800 MHz and 900 MHz QUAD
Channel Base Radios (BRs) along with technical information. The
section topics are listed and described in Table 1.
Section
Page
Description
Generation 2 Single Channel 800
MHz Base Radio Overview
Describes Controls and Indications,
Theory of Operation, and Speciﬁcations for
the 800 MHz Generation 2 Base Radio.
QUAD Channel 900 MHz Base Radio
Overview
11
Provides information on the 900 MHz
QUAD Channel Base Radio’s Controls and
Indications, Speciﬁcations and Theory of
Operation.
QUAD Channel 800 MHz Base Radio
Overview
16
Provides information on the 800 MHz
QUAD Channel Base Radio’s Controls and
Indications, Speciﬁcations and Theory of
Operation.
Legacy Single Carrier 800 MHz Base
Radio Overview
21
This section provides information on the
Legacy Single Channel 800/900/1500MHz
Base Radio including Controls and
Indications, Speciﬁcations and Theory of
Operation.
FRU Number to Kit Number Cross Reference
Table 1
FRU Number to Kit Number Cross Reference
Description
FRU Number
Kit Number
Single Channel 800/900/1500 MHz BRC
TLN3334
CLN1469
Single Channel BRC (MCI)
TLN3425
CLN1472
Enhanced Base Radio Controller
DLN6446
CLN1653
900 MHz QUAD Channel BRC
DLN1203
CLF6242
800 MHz QUAD Channel BRC
CLN1497
CLF1560
Global Telecommunications Solutions Sector
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1301 E. Algonquin Road, Schaumburg, IL 60196
Base Radio
EBTS System Manual - Vol 2
NOTE
The Single Carrier Base Radio section covers the
800 MHz, 900 MHz and 1500 MHz Legacy and
800 MHz Generation 2 versions of the Base
Radio (BR). Information is presented generally
for all models. Information that is model
speciﬁc noted in the text.
NOTE
For Generation 2 BR, both the 800 MHz Exciter and
the 800 MHz Low Noise Exciter modules are
supported subject to Table 2 on page 4.
NOTE
For QUAD Channel 800 MHz BR use, all Single
Carrier BR modules have undergone redesign.
Therefore, Single Carrier BR modules are
incompatible with the QUAD Channel 800 MHz BR.
QUAD Channel 800 MHz BR modules are
incompatible with the Single Carrier BR.
Do not attempt to insert QUAD Channel 800 MHz BR
modules into a Single Carrier BR or Single Carrier BR
modules into a QUAD Channel 800 MHz BR.
NOTE
For QUAD Channel 900 MHz BR use, all Single
Carrier BR modules are incompatable with the 900
MHz QUAD Channel BR. 900 MHz QUAD Channel
BR modules are incompatable with the Single Carrier
BR.
Do not attempt to insert QUAD Channel 900 MHz BR
modules into a Single Carrier BR or Single Carrier BR
modules into a QUAD Channel 900 MHz BR.
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Base Radio
QUAD Channel 900 MHz Base Radio Overview
QUAD Channel 900 MHz Base Radio Overview
The QUAD Channel 900 MHz BR provides reliable, digital BR capabilities in a
compact, software-controlled design. Voice compression techniques, time division
multiplexing (TDM) and multi-carrier operation provide increased channel
capacity.
The QUAD Channel 900 MHz BR contains the four FRUs listed below:
❐
QUAD Channel 900 MHz EX /Cntl
❐
QUAD Channel 900 MHz Power Ampliﬁer
❐
QUAD Channel 800 MHz and 900 MHz Power Supply (DC)
❐
QUAD Channel 900 MHz Receiver (qty. 4)
The modular design of the QUAD Channel 900 MHz BR also offers increased
shielding and provides easy handling. All FRUs connect to the backplane through
blindmate connectors.
NOTE
Both the 800 MHz QUAD and 900 MHz QUAD Base
Radios use the same backplane and cardcage but call
out different FCC ID numbers.
Figure 2 shows the front view of the BR.
900 QUAD CHANNEL RECEIVER
900 QUAD CHANNEL RECEIVER
QUAD CHANNEL POWER SUPPLY
RESET
900 QUAD CHANNEL RECEIVER
/C
STATUS
900 QUAD CHANNEL RECEIVER
900 QUAD CHANNEL RECEIVER
900 QUAD CHANNEL RECEIVER
EBTS282Q_900
112601JNM
Figure 2
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QUAD Channel 900 MHz Base Radio (Typical)
11
Base Radio
EBTS System Manual - Vol 2
QUAD Channel 900 MHz Base Radio Overview
QUAD Channel 900 MHz Base Radio Controls and Indicators
Power Supply and EX / CNTL controls and indicators monitor BR status and
operating conditions, and also aid in fault isolation. The Power Supply and EX /
CNTL sections of this chapter discuss controls and indicators for both modules.
The Power Supply has two front panel indicators. The EX / CNTL has twelve
front panel indicators. The Power Supply power switch applies power to the BR.
The EX / CNTL RESET switch resets the BR.
QUAD Channel 900 MHz Base Radio Performance Specifications
QUAD Channel 900 MHz Base Radio General Specifications
Table 6 lists general speciﬁcations for the BR.
Table 6
QUAD Channel 900 MHz BR General Specifications
Specification
Value or Range
Dimensions:
Height
5 EIA Rack Units (RU)
Width
19" (482.6 mm)
Depth
16.75" (425 mm)
Weight
85 lbs. (38.6 kg)
Operating Temperature
32˚ to 104˚ F (0˚ to 40˚ C)
Storage Temperature
-22˚ to 140˚ F (-30˚ to 60˚ C)
Rx Frequency Range:
900 MHz iDEN
896 - 901 MHz
Tx Frequency Range:
900 MHz iDEN
935 - 940 MHz
Tx – Rx Spacing:
900 MHz iDEN
39 MHz
Carrier Spacing
25 kHz
Carrier Capacitya
1, 2, 3 or 4
Frequency Generation
Synthesized
Digital Modulation
QPSK, M-16QAM, and M-64QAM
Power Supply Inputs:
VDC
Diversity Branches
-48 VDC (-41 to -60 VDC)
Up to 3
a. Multi-carrier operation must utilize adjacent, contiguous RF carriers.
12
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Base Radio
QUAD Channel 900 MHz Base Radio Overview
QUAD Channel 900 MHz Base Radio Transmit Specifications
Table 7 lists the BR transmit speciﬁcations.
Table 7
QUAD Channel 900 MHz BR Transmit Specifications
Specification
Value or Range
Low average output
power per carrier
High average output
power per carrier
(900 MHZ) Single Carrier
5.0W
52.0W
(900 MHz) Dual Carrier
2.5W
26.0W
(900 MHz) Triple Carrier
1.7W
16.1W
(900 MHz) QUAD Channel
1.3W
10.5W
Average Power Output:
Transmit Bit Error Rate (BER)
0.01%
Occupied Bandwidth
18.5 kHz
Frequency Stability *
1.5 ppm
RF Input Impedance
50 Ω (nom.)
FCC Designation (FCC Rule Part 90):
900 MHz QUAD BR
ABZ89FC5798
* Transmit frequency stability locks to an external site reference, which controls ultimate frequency stability to a
level of 50 ppb.
QUAD Channel 900 MHz Base Radio Receive Specifications
Table 8 lists the receive speciﬁcations.
Table 8
QUAD Channel 900 MHz Receive Specifications
Specification
Value or Range
Static Sensitivity †:
900 MHz BR
BER Floor (BER = 0.01%)
-108 dBm (BER = 8%)
≥ -80 dBm
IF Frequencies
1st IF (All bands):
73.35 MHz (1st IF)
2nd IF:
450 kHz (2nd IF)
Frequency Stability *
1.5 ppm
RF Input Impedance
50 Ω (nom.)
FCC Designation (FCC Rule Part 15):
900 MHz BR
ABZ89FR5799
† Measurement referenced from single receiver input port of BR.
* Stability without site reference connected to station. Receive frequency stability locks to an external site
reference, which controls ultimate frequency stability to a level of 50 ppb.
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Base Radio
EBTS System Manual - Vol 2
QUAD Channel 900 MHz Base Radio Overview
QUAD Channel 900 MHz Base Radio Theory of Operation
The QUAD Channel 900 MHz BR operates with other site controllers and
equipment and must be properly terminated. The following description assumes
such a conﬁguration. Figure 6 show an overall block diagram of the QUAD
Channel 900 MHz BR.
Power is applied to the DC Power inputs located on the QUAD Channel 900 MHz
BR backplane. The DC Power input is connected if -48 VDC or batteries are used
in the site.
Power is applied to the BR by setting the Power Supply power switch to the ON
position. Upon power-up, the QUAD Channel 900 MHz BR performs
self-diagnostic tests to ensure the integrity of the unit. These tests, which include
memory and Ethernet veriﬁcation routines, primarily examine the EX / CNTL.
After completing self-diagnostic tests, the QUAD Channel 900 MHz BR reports
alarm conditions on any of its modules to the site controller via Ethernet. Alarm
conditions may also be veriﬁed locally. Local veriﬁcation involves using the
service computer and the STATUS port located on the front of the QUAD Channel
900 MHz EX / CNTL.
The software resident in FLASH on the EX / CNTL registers the BR with the site
controller via Ethernet. After BR registration on initial power-up, the BR software
downloads via resident FLASH or Ethernet and executes from RAM. The
download includes operating parameters for the QUAD Channel 900 MHz BR.
These parameters allow the QUAD Channel 900 MHz BR to perform call
processing functions.
After software downloads to the BR via Ethernet, FLASH memory stores the
software object. Upon future power-ups, the software object in FLASH loads into
RAM for execution.
The BR operates in a TDMA (Time Division Multiple Access) mode. This mode,
combined with voice compression techniques, increases channel capacity by a
ratio of as much as six to one. TDMA divides both the receive and transmit
signals of the BR into six individual time slots. Each receive slot has a
corresponding transmit slot. This pair of slots comprises a logical RF channel.
14
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Base Radio
QUAD Channel 900 MHz Base Radio Overview
The BR uses diversity reception for increased coverage area and improved
quality. The Receiver modules within the QUAD Channel 900 MHz BR contain
three receiver paths. Two-branch diversity sites use two Receiver paths, and
three-branch diversity sites use three Receiver paths.
All Receiver paths within a given Receiver module are programmed to the same
receive frequency. Signals from each receiver arrive at the EX / CNTL module.
This module performs a diversity combining algorithm on the signals. The
resultant signal undergoes an error-correction process. Then, via Ethernet, the site
controller acquires the signal, along with control information about signal
destination.
Two separate FRUs comprise the transmit section of the QUAD Channel 900 MHz
BR. These are the Exciter portion of the EX / CNTL and the Power Ampliﬁer (PA).
The Exciter processes commands from the CNTL, assuring transmission in the
proper modulation format. Then the low-level signal enters the PA. The PA
ampliﬁes this signal to the desired output power level. The PA is a continuously
keyed linear ampliﬁer. A power control routine monitors the output power of the
BR. The routine adjusts the power as necessary to maintain the proper output
level.
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15
800/900/1500 MHz Base Radios
EBTS System Manual - Vol 2
MIXER
ABACUS
RECEIVER
IC
LPF, AMP,
FILTER
RECEIVER
4 4
RECEIVER
MIXER
IF FILTER
AMP, AGC
LPF, AMP,
FILTER
VCO SYNTH
SPLITTER
ABACUS
RECEIVER
IC
MIXER
IF FILTER
AMP, AGC
PREAMPLIFIER
SPLITTER
/ BYPASS
LPF, AMP,
FILTER
RX3 DATA
16.8MHz
RX4 DATA
Host SPI
RECEIVER 3
IF FILTER
AMP, AGC
MIXER
IF FILTER
AMP, AGC
LPF, AMP,
FILTER
RF IN
PREAMPLIFIER
SPLITTER
/ BYPASS
FROM RFDS
(BRANCH 3)
MIXER
RECEIVER 2
RX1 DATA
MIXER
IF FILTER
AMP, AGC
LPF, AMP,
FILTER
MIXER
RECEIVE
DSP
RX SPI
RF IN
PREAMPLIFIER
SPLITTER
/ BYPASS
BUFFERS
HOST
u’P
IF FILTER
AMP, AGC
LPF, AMP,
FILTER
SDRAM
RECEIVE
DSP
ABACUS
RECEIVER
IC
RX INTERFACE,
ADDRESS DECODE.
MEMORY, DIAGNOSTICS
VCO SYNTH
SPLITTER
IF FILTER
AMP, AGC
LPF, AMP,
FILTER
ABACUS
RECEIVER
IC
ABACUS
RECEIVER
IC
SPI BUS
EXCITER-BASE RADIO
CONTROLLER
STATUS
PORT
RS-232
MIXER
LPF, AMP,
FILTER
RX2 DATA
Rx1&2
ABACUS
RECEIVER
IC
Rx3&4
RX INTERFACE,
ADDRESS DECODE.
MEMORY, DIAGNOSTICS
IF FILTER
AMP, AGC
QUAD RX IN DISTRIBUTION
Base Radio Overview
FROM RFDS
(BRANCH 2)
IO LATCHES
MIXER
ABACUS
RECEIVER
IC
RX INTERFACE,
ADDRESS DECODE.
MEMORY, DIAGNOSTICS
VCO SYNTH
SPLITTER
IF FILTER
AMP, AGC
LPF, AMP,
FILTER
ABACUS
RECEIVER
IC
ABACUS
RECEIVER
IC
16.8MHz
1PPS & SLOT TIMING
SPI BUS
FLASH
RECEIVER 1
ETHERNET
5 MHZ
EXTERNAL
REFERENCE
ETHERNET
INTERFACE
TRANSMIT
DSP
RF IN
TX RECLOCK
2.4MHz
48MHz
Tx_I
FROM RFDS
(BRANCH 1)
PREAMPLIFIER
SPLITTER
/ BYPASS
MIXER
LINEAR RF
AMPLIFIER
ODCT
ABACUS
RECEIVER
IC
ABACUS
RECEIVER
IC
RX INTERFACE,
ADDRESS DECODE.
MEMORY, DIAGNOSTICS
VCO SYNTH
SPLITTER
IF FILTER
AMP, AGC
LPF, AMP,
FILTER
ABACUS
RECEIVER
IC
Tx_Q
SPI BUS
Exciter
Host SPI
IF FILTER
AMP, AGC
LPF, AMP,
FILTER
16.8MHz
BASE RADIO
CONTROLLER
IF FILTER
AMP, AGC
MIXER
EEPROM
PLL/VCOs
MIXER
LPF, AMP,
FILTER
TISIC
DAC
POWER AMPLIFIER MODULE
RF OUT
VCOs/Synths
COMBINER
SPI BUS
ADDRESS DECODE,
MEMORY, ADC
TO RFDS
(TX ANTENNA)
RF FEEDBACK
DC POWER SUPPLY MODULE
EXTERNAL
DC INPUT
41 - 60 VDC
RF IN
LINEAR
DRIVER
FINAL
LINEAR
AMPS
ADDRESS DECODE,
MEMORY, ADC
133 KHZ
+28 VDC
TO BACKPLANE
Main Converter
INPUT FILTER
START-UP
INVERTER
CIRCUITRY
CLOCK
GENERATOR
14.2 V
CONVERTER
267 KHZ
133 KHZ
3.3 V
CONVERTER
+14.2 VDC
TO BACKPLANE
+3.3 VDC
TO BACKPLANE
Figure 6
28
SPLITTER
800 and 900 MHZ QUAD Channel Base Radio Functional Block Diagram
68P 80801H 45- 1
1/ 20/ 2002
Base Radio Controllers
Overview
This chapter provides information on Base Radio Controllers (BRCs):
Chapter Topic
Page
Description
Enhanced Base Radio Controller
Includes information on the Enhanced Base Radio
Controller’s Controls and Indications and Theory of
Operation
900 MHz QUAD Channel Base Radio
Controller
15
Provides an 900 MHz QUAD Channel BRC Controls and
Indications as well as the controller’s Theory of Operation
800 MHz QUAD Channel Base Radio
Controller
25
Provides an overview, 800 MHz QUAD Channel BRC
Controls and Indications as well as the controller’s Theory of
Operation
800/900/1500 MHz Legacy Base Radio
Controller
35
Provides an overview, outline of controls and indications as
well as the controller’s Theory of Operation
FRU Number to Kit Number Cross Reference
Base Radio Controller (BRC) Field Replaceable Units (FRUs) are available for the
iDEN EBTS. The FRU contains the BRC kit and required packaging. Table 1
provides a cross reference between BRC FRU numbers and kit numbers.
Table 1
FRU Number to Kit Number Cross Reference
Description
FRU Number
Kit Number
Single Channel 800/900/1500 MHz Base Radio
Controller
TLN3334
CLN1469
Single Channel Base Radio Controller
(1500 MHz MCI)
TLN3425
CLN1472
Enhanced Base Radio Controller
DLN6446
CLN1653
QUAD Channel 900 MHz Exciter/BR Controller
DLN1203
QUAD Channel 800 MHz Exciter/BR Controller
CLN1497
CLF1560
Global Telecommunications Solutions Sector
6 8 P 8 0 8 0 1H45- 1 1/20/2002
1301 E. Algonquin Road, Schaumburg, IL 60196
EBTS System Manual - Vol 2
Base Radio Controllers
900 MHz QUAD Channel Base Radio Controller
900 MHz QUAD Channel Base Radio Controller
900 MHz QUAD Channel Base Radio Controller Overview
The Base Radio Controller (BRC) provides signal processing and operational
control for Base Radio modules. The BRC module consists of a printed circuit
board, a slide-in housing, and associated hardware.
The BRC memory contains the operating software and codeplug. The software
deﬁnes BR operating parameters, such as output power and operating frequency.
The BRC connects to the Base Radio backplane with one 168-pin FutureBus+
connector and one blindmate RF connector. Two Torx screws secure the BRC in
the Base Radio chassis.
Figure 3 shows a top view of the EX/CNTL (model CLF1560) with the cover
removed.
Figure 3
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900 MHz QUAD Channel Base Radio Controller, version DLN1203
(with cover removed)
15
Base Radio Controllers
EBTS System Manual - Vol 2
900 MHz QUAD Channel Base Radio Controller
900 MHz QUAD Channel Base Radio Controller Controls and Indicators
The BRC monitors the functions of other Base Radio modules. The LEDs on the
front panel indicate the status of BRC-monitored modules. All LEDs on the BRC
front panel normally ﬂash three times upon initial power-up. A RESET switch
allows a manual reset of the Base Radio. Figure 4 shows the front panel of the
BRC.
RESET
/C
STATUS
QUAD CHANNEL EX/CNTL
EBTS316Q
013001JNM
Figure 4
900 MHz QUAD Channel BR Controller (Front View)
Indicators
Table 7 lists and describes the BRC LEDs.
Table 7
LED
PS
EXBRC
PA
16
900 MHz QUAD Channel BR Controller Indicators
Color
Red
Red
Red
Module
Monitored
Condition
Power
Supply
Solid (on)
FRU failure indication - Power Supply
has a major alarm, and is out of service
Flashing (on)
Power Supply has a minor alarm, and
may be operating at reduced
performance
Off
Power Supply is operating normally
(no alarms)
Solid (on)
FRU failure indication - Controller/
Exciter has a major alarm, and is out of
service (Note: Upon power-up of the
BR, this LED indicates a failed mode
until BR software achieves a known
state of operation.)
Flashing (on)
Controller/Exciter has a minor alarm,
and may be operating at reduced
performance
Off
Controller/Exciter is operating
normally (no alarms)
Solid (on)
FRU failure indication - PA has a major
alarm, and is out of service
Flashing (on)
PA has a minor alarm, and may be
operating at reduced performance
Off
PA is operating normally (no alarms)
Controller/
Exciter
Power
Ampliﬁer
Indications
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EBTS System Manual - Vol 2
Base Radio Controllers
900 MHz QUAD Channel Base Radio Controller
Table 7
900 MHz QUAD Channel BR Controller Indicators (Continued)
LED
REF
RX1
Color
Module
Monitored
Condition
Red
Controller
Station
Reference
Solid (on)
FRU failure indication - Controller
Station Reference has a major alarm,
and is out of service
Flashing (on)
BRC has a minor alarm, and may be
operating in a marginal region
Off
BRC is operating normally (no alarms)
Solid (on)
FRU failure indication - Receiver (#1,
#2, #3 or #4) has a major alarm, and is
out of service
Flashing (on)
Receiver (#1, #2, #3 or #4) has a minor
alarm, and may be operating at
reduced performance
Off
Receiver (#1, #2, #3 or #4) is operating
normally (no alarms)
Solid (on)
Station Transmit Carrier #1 is keyed
Flashing (on)
Station Transmit Carrier #1 is not
keyed
Off
Station is out of service, or power is
removed
Solid (on)
Station Transmit Carrier #2 is keyed
Flashing (on)
Station Transmit Carrier #2 is not
keyed
Off
Station is out of service, or power is
removed
Solid (on)
Station Transmit Carrier #3 is keyed
Flashing (on)
Station Transmit Carrier #3 is not
keyed
Off
Station is out of service, or power is
removed
Solid (on)
Station Transmit Carrier #4 is keyed
Flashing (on)
Station Transmit Carrier #4 is not
keyed
Off
Station is out of service, or power is
removed
Red
RX2
Receiver #1,
#2, #3, or #4
RX3
RX4
TX1
TX2
TX3
TX4
Green
Green
Green
Green
BR
BR
BR
BR
Indications
Controls
Table 8 lists the controls and descriptions.
STATUS Connector
Table 9 the pin-outs for the STATUS connector.
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17
Base Radio Controllers
EBTS System Manual - Vol 2
900 MHz QUAD Channel Base Radio Controller
Table 8
900 MHz QUAD Channel BR Controller Controls
Control
Description
RESET Switch
A push-button switch used to manually reset the BR.
STATUS
connector
A 9-pin connector used for connection of a service computer, providing a
convenient means for testing and conﬁguring.
Table 9
Pin-outs for the STATUS Connector
Pin-out
Signal
not used
TXD
RXD
not used
GND
not used
not used
not used
not used
900 MHz QUAD Channel Base Radio Controller Theory of Operation
Table 10 brieﬂy describes the BRC circuitry. Figure 13 is a functional block
diagram of the BRC.
Host Microprocessor
The host microprocessor is the main controller for the BR. The processor operates
at a 50-MHz clock speed. The processor controls Base Radio operation according
to station software in memory. Station software resides in FLASH memory. For
normal operation, the system transfers this software to non-volatile memory. An
EEPROM contains the station codeplug.
NOTE
At BR power-up, the EXBRC LED indicates a major
alarm. This indication continues until BR software
achieves a predetermined state of operation.
Afterward, the software turns off the EXBRC LED.
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Base Radio Controllers
900 MHz QUAD Channel Base Radio Controller
Table 10
900 MHz QUAD Channel BR Controller Circuitry
Circuit
Description
Host Microprocessor
Contains integrated circuits that comprise the central controller
of the BRC and station
Non-Volatile Memory
Consists of:
• FLASH containing the station operating software
• EEPROM containing the station codeplug data
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Volatile Memory
Contains SDRAM to store station software used to execute
commands.
Ethernet Interface
Provides the BRC with a 10Base2 Ethernet communication port
to network both control and compressed voice data
RS-232 Interface
Provides the BRC with an RS-232 serial interface
Digital Signal Processors
Performs high-speed modulation/demodulation of
compressed audio and signaling data
TISIC
Contains integrated circuits that provide timing reference
signals for the station
TX Reclock
Contains integrated circuits that provide highly stable,
reclocked transmit signals and peripheral transmit logic
RX DSP SPI
Contains integrated circuits that provide DSP SPI capability
and peripheral receive logic
Station Reference Circuitry
Generates the 16.8 MHz and 48 MHz reference signals used
throughout the station
Input Ports
Contains 16 signal input ports that receive miscellaneous
inputs from the BR
Output Ports
Contains 40 signal output ports, providing a path for sending
miscellaneous control signals to circuits throughout the BR
Remote Station Shutdown
Provides software control to cycle power on the BR
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Base Radio Controllers
EBTS System Manual - Vol 2
900 MHz QUAD Channel Base Radio Controller
Serial Communication Buses
The microprocessor provides a general-purpose SMC serial management
controller bus.
The SMC serial communications bus is an asynchronous RS-232 interface with no
hardware handshake capability. The BRC front panel includes a nine-pin, D-type
connector. This connector provides a port where service personnel may connect a
service computer. Service personnel can perform programming and maintenance
tasks via Man-Machine Interface (MMI) commands. The interface between the
SMC port and the front- panel STATUS connector is via EIA-232 Bus Receivers
and Drivers.
Host Processor
The microprocessor incorporates 4k bytes of instruction cache and 4k bytes of
data cache that signiﬁcantly enhance processor performance.
The microprocessor has a 32-line address bus. The processor uses this bus to
access non-volatile memory and SDRAM memory. Via memory mapping, the
processor also uses this bus to control other BRC circuitry.
The microprocessor uses its Chip Select capability to decode addresses and assert
an output signal. The eight chip-select signals select non-volatile memory,
SDRAM memory, input ports, output ports, and DSPs.
The Host processor...
❐
Provides serial communications between the Host Microprocessor and other
Base Radio modules.
❐
Provides condition signals necessary to access SDRAM.
❐
Accepts interrupt signals from BRC circuits (such as DSPs).
❐
Organizes the interrupts, based on hardware-deﬁned priority ranking.
❐
The Host supports several internal interrupts from its Communications
Processor Module. These interrupts allow efﬁcient use of peripheral
interfaces.
❐
The Host supports 10 Mbps Ethernet/IEEE 802.3.
❐
Provides a 32-line data bus transfers data to and from BRC SDRAM and
other BRC circuitry. Buffers on this data bus allow transfers to and from
non-volatile memory, general input and output ports and DSPs.
Non-Volatile Memory
Base Radio software resides in 2M x 32 bits of FLASH memory. The Host
Microprocessor addresses the FLASH memory with 20 of the host address bus’ 32
lines. The host accesses FLASH data over the 32-line host data bus. A
host-operated chip-select line provides control signals for these transactions.
The FLASH contains the operating system and application code. The system
stores application code in FLASH for fast recovery from reset conditions.
Application code transfers from network or site controllers may occur in a
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EBTS System Manual - Vol 2
Base Radio Controllers
900 MHz QUAD Channel Base Radio Controller
background mode. Background mode transfers allow the station to remain
operational during new code upgrades.
The data that determines the station personality resides in a 32K x eight bit
codeplug EEPROM. The microprocessor addresses the EEPROM with 15 of the
host address bus’ 32 lines. The host accesses EEPROM data with eight of the data
bus’ 32 lines. A host-operated chip-select line provides control signals for these
transactions.
During the manufacturing process, the factory programs the codeplug’s default
data. The BRC must download ﬁeld programming data from network and site
controllers. This data includes operating frequencies and output power level. The
station permits adjustment of many station parameters, but the station does not
store these adjustments. Refer to the Software Commands chapter for additional
information.
Volatile Memory
Each BRC contains 8MB x 32 bits of SDRAM. The BRC downloads station
software code into SDRAM for station use. SDRAM also provides short-term
storage for data generated and required during normal operation. SDRAM is
volatile memory. A loss of power or system reset destroys SDRAM data.
The system performs read and write operations over the Host Address and Data
buses. These operations involve column and row select lines under control of the
Host processor’s DRAM controller. The Host address bus and column row signals
sequentially refresh SDRAM memory locations.
Ethernet Interface
The Host processor’s Communications Processor Module (CPM) provides the
Local Area Network (LAN) Controller for the Ethernet Interface. The LAN
function implements the CSMA/CD access method, which supports the IEEE
802.3 10Base2 standard.
The LAN coprocessor supports all IEEE 802.3 Medium Access Control, including
the following:
❐
framing
❐
preamble generation
❐
stripping
❐
source address generation
❐
destination address checking
The PCM LAN receives commands from the CPU.
The Ethernet Serial Interface works directly with the CPM LAN to perform the
following major functions:
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1/20/2002
❐
10 MHz transmit clock generation (obtained by dividing the 20 MHz signal
provided by on-board crystal)
❐
Manchester encoding/decoding of frames
21
Base Radio Controllers
EBTS System Manual - Vol 2
900 MHz QUAD Channel Base Radio Controller
❐
electrical interface to the Ethernet transceiver
An isolation transformer provides high-voltage protection. The transformer also
isolates the Ethernet Serial Interface (ESI) and the transceiver. The pulse
transformer has the following characteristics:
❐
Minimum inductance of 75 µH
❐
2000 V isolation between primary and secondary windings
❐
1:1 Pulse Transformer
The Coaxial Transceiver Interface (CTI) is a coaxial cable line driver and receiver
for the Ethernet. CTI provides a 10Base2 connection via a coaxial connector on the
board. This device minimizes the number of external components necessary for
Ethernet operations.
A DC/DC converter provides a constant voltage of -9 Vdc for the CTI from a
3.3 Vdc source.
The CTI performs the following functions:
❐
Receives and transmits data to the Ethernet coaxial connection
❐
Reports any collision that it detects on the coaxial connection
❐
Disables the transmitter when packets are longer than the legal length
(Jabber Timer)
Digital Signal Processors
The BRC includes two Receive Digital Signal Processors (RXDSPs) and a Transmit
Digital Signal Processor (TXDSP). These DSPs and related circuitry process
compressed station transmit and receive audio or data. The related circuitry
includes the TDMA Infrastructure Support IC (TISIC) and the TISIC Interface
Circuitry. The DSPs only accept input and output signals in digitized form.
The RXDSP inputs are digitized receiver signals. The TXDSP outputs are digitized
voice audio and data (modulation signals). These signals pass from the DSP to the
Exciter portion of the EXBRC. DSPs communicate with the Microprocessor via an
eight-bit, host data bus on the host processor side. For all DSPs, interrupts drive
communication with the host.
The RXDSPs operate from an external 16.8 MHz clock, provided by the local
station reference. The RXDSP internal operating clock signal is 150MHz,
produced by an internal Phase-Locked Loop (PLL).
The RXDSPs accept digitized signals from the receivers through Enhanced
Synchronous Serial Interface (ESSI) ports. Each of two ESSI ports on a RXDSP
supports a single carrier (single receiver) digital data input. The DSP circuitry
includes two RXDSPs. These allow processing of up to four carriers (four
receivers).
The RXDSP accesses its DSP program and signal-processing algorithms in 128k
words of internal memory. The RXDSPs communicate with the host bus over an
8-bit interface.
Each RXDSP provides serial communications to its respective receiver module for
receiver control via a Serial Peripheral Interface (SPI). The SPI is a
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Base Radio Controllers
900 MHz QUAD Channel Base Radio Controller
parallel-to-serial conversion circuit, connected to the RXDSP data bus. Each
RXDSP communicates to two receive modules through this interface.
Additionally, a serial control path connects the two RXDSPs and the TXDSP. The
Synchronous Communications Interface (SCI) port facilitates this serial control
path.
For initialization and control purposes, one RXDSP connects to the TISIC device.
The TXDSP operates at an external clock speed of 16.8 MHz, provided by the
EXBRC local station reference. The TXDSP internal operating clock is 150MHz,
produced by an internal Phase Lock Loop (PLL).
The TXDSP sends up to four carriers of digitized signal to the EX11 exciter. The
exciter converts the digital signal to analog. Also at the exciter, a highly stable
clock reclocks the digital data. Reclocking enhances transmit signal integrity. Two
framed and synchronized data streams result. One data stream is I-data, and the
other is the Q-data stream.
The TXDSP contains its own, internal address and data memory. The TXDSP can
store 128k words of DSP program and data memory. An eight-bit interface
handles TXDSP-to-host bus communications.
TISIC
The TISIC controls internal DSP operations. This circuit provides the following
functions:
❐
For initialization and control, interfaces with one RXDSP via the DSP
address and data buses.
❐
Accepts a 16.8 MHz signal from Station Reference Circuitry.
❐
Accepts a 5 MHz signal, modulated with one pulse per second (1 PPS) from
the site reference.
❐
Demodulates the 1 PPS
❐
Outputs a 1 PPS signal and a windowed version of this signal for network
timing alignment.
❐
Outputs a 2.4 MHz reference signal used by the Exciter.
❐
Generates 15 ms and 7.5 ms ticks. (These ticks synchronize to the 1 PPS time
mark. The system decodes the time mark from the site reference. Then the
system routes the reference to the TXDSP and RXDSPs.)
Station Reference Circuitry
The Station Reference Circuitry is a phase-locked loop (PLL). This PLL consists of
a high-stability, Voltage-Controlled, Crystal Oscillator (VCXO) and a PLL IC. GPS
output from the iSC connects to the 5 MHz/1 PPS BNC connector on the BR
backplane. Wiring at this connector routes signals to EXBRC station reference
circuitry.
The PLL compares the 5 MHz reference frequency to the 16.8 MHz VCXO output.
Then the PLL generates a DC correction voltage. The PLL applies this correction
voltage to the VCO through an analog gate. The analog gate closes when three
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Base Radio Controllers
EBTS System Manual - Vol 2
900 MHz QUAD Channel Base Radio Controller
conditions coexist: (1) The 5 MHz tests stable. (2) The PLL IC is programmed. (3)
Two PLL oscillator and reference signal output alignments occur.
When the gate enables, the control voltage from the PLL can adjust the
high-stability VCXO frequency. The adjustment can achieve a stability nearly
equivalent to that of the external, 5 MHz frequency reference.
The correction voltage from the PLL continuously adjusts the VXCO frequency.
The VXCO outputs a 16.8 MHz clock signal. The circuit applies this clock signal to
the receiver, 48 MHz reference and TISIC.
The receivers use the 16.8MHz as the clock input and synthesizer reference.
The 48 MHz EXBRC synthesizer uses the 16.8 MHz as its synthesizer reference.
The 48 MHz synthesizer output is the clock input for the TXDSP I and Q data
reclock circuitry.
The TISIC divides the 16.8 MHz signal by seven, and outputs a 2.4 MHz signal.
This output signal then becomes the 2.4 MHz reference for the Exciter.
Input Ports
One general-purpose input register provides for BRC and station circuit input
signals. The register has 16 input ports. The Host Data Bus conveys input register
data to the Host Microprocessor. Typical inputs include 16.8 and 48 MHz Station
Reference Circuitry status outputs and reset status outputs.
Output Ports
Two general-purpose output registers distribute control signals from the Host
Microprocessor to the BRC and station circuitry. One register has 32 output ports
and the other register has 8 output ports. Control signal distribution occurs over
the backplane. The Host Data Bus drives the output ports’ latched outputs.
Typical control signals include front-panel LED signals and SPI peripheral enable
and address lines.
Remote Station Shutdown
The BRC contains power supply shutdown circuitry. This circuitry can send a
shutdown pulse to the Base Radio Power Supply. BRC software generates the
shutdown control pulse.
After receiving a shutdown pulse, the power supply turns off BR power. Shut
down power sources include 3.3, 28.6 and 14.2 Vdc sources throughout the BR.
Due to charges retained by BR storage elements, power supply voltages may not
reach zero. The shutdown only assures that the host processor enters a
power-on-reset state.
A remote site uses the shutdown function to perform a hard reset of all BR
modules.
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800/900/1500 MHz Base Radios
Base Radio Controller
Base Radio Controller
HOST MICROPROCESSOR / HOST ASIC
16.5 MHZ CLK
ADDR BUS
FROM
HOST
MICROPROCESSOR
HOST
INTERFACE
A2-A23
DATA BUS
EIA-232
BUS
RECEIVERS/
DRIVERS
SERIAL COMMUNICATIONS BUS
D0-D15
LANIIC
COPROCESSOR
ADDR BUS
COPROCESSOR
DATA BUS
ETHERNET
COPROCESSOR
(82596DX)
ETHERNET
SERIAL
INTERFACE
ETHERNET
SERIAL
INTERFACE
RCV
ISOLATION
TRANSFORMER
HOST
MICROPROCESSOR
CD
CLSN
RX
TRANSCEIVER
RS-232 PORT
(9 PIN D CONNECTOR
ON BACKPLANE)
HOST ADDRESS BUS
RESET SWITCH
(FRONT PANEL)
VCC
10BASE2
HOST DATA BUS
COAX
TX
TRMT
EIA-232
BUS
RECEIVERS/
DRIVERS
SERIAL COMMUNICATIONS BUS
STATUS PORT
(9 PIN D CONNECTOR
ON BRC FRONT PANEL)
33 MHZ
TIMING
CIRCUITRY
BUFFERS
ETHERNET INTERFACE
HOST
GLUE
ASIC
SPI BUS
TO/FROM
STATION MODULES
SPI BUS
HOST BUFFERED DATA BUS
LED CONTROL
LINES
(P/O I/O PORT
P0 OUT)
HOST ADDRESS BUS
BASE
RADIO
POWER
SUPPLY
EXCITER
PA
CTL
R1
R2
R3
NON-VOLATILE MEMORY
DRAM
ADDRESS
FRONT PANEL LEDS
DRAM
1M X 16
HOST BUFFERED DATA BUS
EPROM
512K X 8
COL
SELECT
(CAS*)
A1-A19
28V
I/O PORT
P2 OUT
SHUTDOWN
CIRCUITRY
SHUTDOWN
(TO POWER
SUPPLY)
A1-A19
HOST
ADDRESS
A1-A18
ROW
SELECT
(RAS*)
EPROM
512K X 8
HOST ADDRESS BUS
D0-D15
DRAM ADDRESS
MULTIPLEXER
8K X 8
EEPROM
CODEPLUG
REMOTE STATION
SHUTDOWN CIRCUITRY
A1-A15
DRAM
COLUMN
ADDRESS
D0-D7
BUFFERS
HOST
ADDRESS
1-23
HOST DATA BUS
FROM HOST
MICROPROCESSOR
32K X 8
SRAM
I/O PORT P0 OUT
A1-A15
16
I/O PORT P0 IN
BUFFERS
VARIOUS INPUTS
FROM BRC &
STATION CIRCUITRY
16
I/O PORT P1 IN
I/O PORT P1 OUT
16
BUFFERS
I/O PORT P2 OUT
16
16
A1-A11
VARIOUS
CONTROL
LINES TO BRC &
STATION
CIRCUITRY
D0-D15
BUFFERS
32K X 8
SRAM
A10-A22
DRAM
ROW
ADDRESS
A1-A15
D0-D15
COLUMN/ROW
SELECT
INPUT/OUTPUT PORTS CIRCUITRY
DRAM MEMORY
EBTS286
Figure 10
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800/900 MHz Base Radio Controller Functional Block Diagram 010397SN
(Sheet 1 of 2)
45
800/900/1500 MHz Base Radios
EBTS System Manual - Vol 2
Base Radio Controller
Base Radio Controller
Functional Block Diagram
Model TLN3424
(Includes Front Panel Board)
HOST MICROPROCESSOR / HOST ASIC
16.5 MHZ CLK
ADDR BUS
FROM
HOST
MICROPROCESSOR
20 MHZ
TIMING
CIRCUIT
(Y1300)
HOST
INTERFACE
(U404 - U406)
DATA BUS
DC/DC
CONVERTER
(U1310)
5 VDC
EIA-232
BUS
RECEIVERS/
DRIVERS
(U900)
SERIAL COMMUNICATIONS BUS (SCC2)
COPROCESSOR
ADDR BUS
COPROCESSOR
DATA BUS
82596DX
ETHERNET
COPROCESSOR
(U408)
ETHERNET
SERIAL
INTERFACE
XMT CLK
(10 MHZ)
RCV
ISOLATION
TRANSFORMER
(T100)
TRANSCEIVER
(U1311)
RX
HOST
MICROPROCESSOR
(U701)
CD
CLSN
ETHERNET
SERIAL
INTERFACE
(U1308)
10BASE2
RS232
(9 PIN D CONNECTOR
ON BACKPLANE)
HOST ADDRESS BUS
23
COAX
HOST DATA BUS
TX
TRMT
EIA-232
BUS
RECEIVERS/
DRIVERS
(U901, U902)
SERIAL COMMUNICATIONS BUS (SCC3)
-9 VDC
STATUS
(9 PIN D CONNECTOR
ON BRC FRONT PANEL)
16
ETHERNET INTERFACE
BUFFERS
(U107 - U110)
HOST
ASIC
(U509)
33 MHZ
TIMING
CIRCUITRY
(Y500)
SPI BUS
TO/FROM
STATION MODULES
SPI BUS
HOST BUFFERED DATA BUS
LED CONTROL
LINES
(P/O I/O PORT
P0 OUT)
DRAM
ADDRESS
HOST ADDRESS BUS
BASE
RADIO
POWER
SUPPLY
EXCITER
PA
BRC
RX1
RX2
RX3
DRAM
1M X 8
(U114)
NON-VOLATILE MEMORY
COL
SELECT
(CAS*)
FRONT PANEL LEDS (Part of TRN7769)
A1-A18
28V
I/O PORT
P3 OUT
SHUTDOWN
CIRCUITRY
(U3)
EPROM
256K X 8
(U801)
A1-A18
REMOTE STATION
SHUTDOWN CIRCUITRY
A1-A15
DRAM
1M X 8
(U114)
HOST BUFFERED DATA BUS
DRAM
ADDRESS
COL
SELECT
(CAS*)
SHUTDOWN
(TO POWER
SUPPLY)
HOST
ADDRESS
A1-A23
ROW
SELECT
(RAS*)
EPROM
256K X 8
(U802)
HOST ADDRESS BUS
DRAM ADDRESS
MULTIPLEXER
8K X 8
EEPROM
CODEPLUG
(U800)
BUFFERS
(U108 - U110)
HOST
ADDRESS
1-23
HOST DATA BUS
FROM HOST
MICROPROCESSOR
16
I/O PORT P1 IN
16
BUFFERS
(U600, U601,
U606, U607)
LATCHES
(U602 - U605,
U608 - U611)
16
I/O PORT P2 OUT
16
VARIOUS
CONTROL
LINES TO BRC &
STATION
CIRCUITRY
A1-A13
8K X 8
SRAM
(U803)
BUFFERS
(U108 - U110)
A10-A22
I/O PORT P3 OUT
16
A1-A13
INPUT/OUTPUT PORTS CIRCUITRY
46
A1-A11
16
I/O PORT P0 IN
Figure 10
DRAM
COLUMN
ADDRESS
I/O PORT P0 OUT
I/O PORT P1 OUT
VARIOUS INPUTS
FROM BRC &
STATION CIRCUITRY
ROW
SELECT
(RAS*)
8K X 8
SRAM
(U804)
STATIC RAM
DRAM
ROW
ADDRESS
COLUMN/ROW
SELECT
DYNAMIC RAM
800/900 MHz QUAD Channel Base Radio Functional Block Diagram Sheet 2 of 2)
68P 80801H 45- 1
1/ 20/ 2002
800/900/1500 MHz Base Radios
EBTS System Manual - Vol 2
Base Radio Controller
QUAD Channel Base
Radio Controller
Functional Block Diagram
LED
CONTROL
LINES
HOST
LATCH
P0 OUT
12
3.3V
POWER
SUPPLY
EXCITER/
CONTROL
PA
REF
RX1
RX2
RX3
RX4
TX1
TX2
TX3
P0_OUT
TX4
FRONT PANEL LEDS
REMOTE STATION
SHUTDOWN CIRCUITRY
5MHZ_1PPS
BASE RADIO
INPUT
5MHZ
1PPS
SHUTDOWN
(TO POWER
SUPPLY)
SHUTDOWN
CIRCUITRY
SYNTHESIZER
IC / CIRCUITRY
PHASE
DETECTION/
FILTERING/
CONTROL
SPI
BUS
STEARING
LINE
HIGH
STABILITY
VCXO
16.8 MHZ
16.8MHZ
DISCONNECT/
CONNECT
CONTROL
SYNTHESIZER
IC / CIRCUITRY
PHASE
DETECTION/
FILTERING
STEARING
LINE
HIGH
STABILITY
VCXO
48 MHZ
SPI
BUS
TRANSMIT REFERENCE CIRCUITRY
STATION REFERENCE CIRCUITRY
Figure 13
49
800 and 900 MHz QUAD Channel Base Radio Controller Functional
Block Diagram (Sheet 1 of 2)
68P 80801H 45- 1
1/ 20/ 2002
800/900/1500 MHz Base Radios
EBTS System Manual - Vol 2
Base Radio Controller
QUAD Channel
Base Radio Controller
Functional Block Diagram
SERIAL MANAGEMENT CONTROLLER (SMC2)
EIA-232
BUS
RECEIVERS/
DRIVERS
STATUS PORT
(9 PIN D CONNECTOR
ON BRC FRONT PANEL)
RX1 SERIAL DATA
DIFFERENTIAL
TO SINGLE END
RX2 SERIAL DATA
DIFFERENTIAL
TO SINGLE END
RX3 SERIAL DATA
DIFFERENTIAL
TO SINGLE END
RX4 SERIAL DATA
DIFFERENTIAL
TO SINGLE END
ETHERNET INTERFACE
SCC1
ETHERNET
SERIAL
INTERFACE
CLSN
ETHERNET
SERIAL
INTERFACE
CD
RCV
RX
ISOLATION
TRANSFORMER
TRMT
TRANSCEIVER
10BASE2
COAX
TX
RECEIVE
DIGITAL
SIGNAL
PROCESSOR
(RX DSP 2)
D[16:23]
RECEIVE
DIGITAL
SIGNAL
PROCESSOR
(RX DSP 1)
SPI BUS TO
RECEIVER 3 & 4
PARALLEL
TO SERIAL
CIRCUITRY
D[16:23]
SPI BUS TO
RECEIVER 1 & 2
D[0, 23]
2.4 MHz
TO EXCITER
D[0, 8:23]
TISIC
A[0:5]
1 PPS TIMING, CONTROL/ SLOT TIMING/RESET
SERIAL PERIPHERAL INTERFACE
SPI BUS
TO/FROM
STATION MODULES
BUFFER
DIGITAL SIGNAL PROCESSING
CIRCUITRY
SPI
BUS
NETWORKED
SCI
HOST ADDRESS BUS
A[10:31]
HOST
A[0:7]
MICROPROCESSOR
GPLA0, A[8,9,17,18,20:29],RAS,CAS,WE
5MHZ
1PPS
EXTENDED HOST
BUS BUFFERS
FRONT PANEL
RESET
16
16
16.8MHZ
BUFFER
DRAM MEMORY
HOST-DSP BUFFERED ADDRESS BUS
MA[21:0]
CS2
CS3
SDRAM
4M x 16
HOST-DSP BUFFERED DATA BUS
BUFFER
D[0:15]
SDRAM
4M x 16
D[0:15]
16
16
DSP_A[31:24]
BUFFER
SDRAM
4M x 16
SDRAM
4M x 16
D[16:31]
16
D[16:31]
D[0:31]
BUFFER
16
TRANSMIT
DIGITAL
SIGNAL
PROCESSOR
(TX DSP)
MD[31:0]
D[0:31]
BUFFER
16
16
HOST DATA BUS
D[0:7]
CS4
BUFFER
MD[0:32]
FLASH
1M x 16
MD[0:15]
FLASH
1M x 16
50 MHZ
CLOCK
MD[16:31]
NON-VOLATILE MEMORY
Figure 14
50
SERIAL DATA
TO EXCITER
MA[0:14]
CS0
CS1
P0_IN
STATUS BUS
FROM
STATION MODULES
SINGLE END
TO DIFFERENTIAL
DIGITAL SIGNAL PROCESSING
CIRCUITRY
HOST BUFFERED DATA BUS
MA[2:21]
MA[2:21]
I/Q DATA
48 MHZ
DSP SPI
DSP_D[31:24]
HOST BUFFERED ADDRESS BUS
TRANSMIT
CLOCK AND
FRAME SYNCH
CIRCUITRY
FLASH
1M x 16
FLASH
1M x 16
P0_IN
BUFFER
MD[0:15]
EEPROM
32k x 8
P0_OUT
LATCH
MD[24:31]
MD[16,17,20-24,28-31]
MD[16:31]
P1_OUT
LATCH
SPI
BUS
32
MD[24:31]
EXPANDED STATUS INPUT
AND OUTPUT CONTROL CIRCUITRY
40
EXCITER
SPI
CONTROL
SPI BUS
TO EXCITER
P0_OUT/P1_OUT
CONTROL BUS
TO
STATION MODULES
800 and 900 MHz QUAD Channel Base Radio Controller Functional Block
Diagram (Sheet 2 of 2)
68P 80801H45- 1
1/ 20/ 2002
EBTS System Manual - Vol 2
Base Radio Exciter
Base Radio Exciter
Overview
This chapter provides technical information for the Exciter (EX).
Section
Page
Description
800 Legacy MHz Exciter –
TLN3337; 900 MHz Exciter –
CLN1357; 1500 MHz Exciter –
TLN3428
Describes the functions and characteristics of the
Exciter module for the single channel Base Radio
(BR).
Low Noise 800 MHz Exciter
Describes the functions and characteristics of the
Exciter module for the Low Noise Exciter for the
Generation 2 Base Radio (Gen2 BR).
QUAD Channel 900 MHz
Exciter
11
Describes the functions and characters of the 900
MHz QUAD Channel Base Radio (BR)
QUAD Channel 800 MHz
Exciter
15
Describes the functions and characteristics of the
Exciter module for the 800 MHz QUAD channel
Base Radio (BR).
FRU Number to Kit Number Cross Reference
Exciter Field Replaceable Units (FRUs) are available for the iDEN EBTS. The FRU
contains the Exciter kit and required packaging. Table 1 provides a cross reference
between Exciter FRU numbers and kit numbers.
Table 1
FRU Number to Kit Number Cross Reference
Description
6 8 P 8 0 8 0 1H45- 1
1/20/2002
FRU Number
Kit Number
Single Channel Exciter (800 MHz)
TLN3337
CLF1490
Single Channel Exciter (900 MHz)
CLN1357
CLF1500
Single Channel Exciter (1500 MHz)
TLN3428
CTX1120
QUAD Channel 900 MHz Exciter/
Base Radio Controller)
CLN1497
CLF6452
QUAD Channel 800 MHz Exciter/
Base Radio Controller
CLN1497
CLF1560
LNODCT (Low Noise Offset Direct
Conversion Transmit) Exciter (800
MHz)
TLN3337
CLF1789
EBTS System Manual - Vol 2
Base Radio Exciter
QUAD Channel 900 MHz Exciter
QUAD Channel 900 MHz Exciter
QUAD Channel 900 MHz Exciter Overview
The Exciter and the Power Ampliﬁer (PA) provide the transmitter functions of the
QUAD Channel 900 MHz Base Radio. The Exciter module consists of a printed
circuit board, a slide in housing, and associated hardware. The BRC shares the
printed circuit board and housing.
The Exciter connects to the Base Radio backplane through a 168-pin connector
and two blindmate RF connectors. Controller and exciter circuitry also
interconnect on the Exciter/Controller module. Two Torx screws on the front of
the Exciter secure it to the chassis.
An LED identiﬁes the Exciter’s operational condition, as described in the
manual’s Controller section. The Base Radio section of the manual provides
speciﬁcations for transmitter circuitry. This information includes data on the
Exciter and PAs.
Figures 5 shows the Exciter with the cover removed.
Figure 4
6 8 P 8 0 8 0 1H45- 1
1/20/2002
900 MHz QUAD Channel Exciter (with cover removed)
11
Base Radio Exciter
EBTS System Manual - Vol 2
QUAD Channel 900 MHz Exciter
900 MHz QUAD Channel Exciter Theory of Operation
Table 4 describes the basic circuitry of the Exciter. Figures 9 show the QUAD
Carrier Exciter’s functional block diagram.
Table 4
900 MHz Exciter Circuitry
Circuit
LNODCT IC
Description
• Up-converts baseband data to the transmit frequency
• Down-converts the PA feedback signal to baseband
• Uses a baseband Cartesian feedback loop system, necessary
to obtain linearity from the transmitter and avoid
splattering power into adjacent channels
• Performs training functions for proper linearization of the
transmitter
Memory & A/D Converter
Serves as the main interface between the synthesizer, Tranlin
IC, A/D, and EEPROM on the Exciter, and the BRC via the
SPI bus
Frequency Synthesizer
Circuitry
• Consists of a phase-locked loop and VCO
1025 MHz VCO (900 MHz BR)
Provides a LO signal to the LNODCT IC, for up-conversion
to the transmit frequency
90.3 MHz VCO (900 MHz BR)
Provides a LO signal to LNODCT IC, for the up-conversion
and for the down-conversion of the feedback signal.
• Provides a LO signal to the LNODCT IC for the second
up-conversion and ﬁrst down-conversion of the feedback
signal from the PA
The mixed output becomes the LO signal for Transmit signal
up- and down- conversion
Regulator Circuitry
Provides a regulated voltage to various ICs and RF devices
located on the Exciter
Linear RF ampliﬁer Stages
Ampliﬁes the RF signal from the Exciter IC to an appropriate
level for input to the PA
Memory Circuitry
The memory circuitry is an EEPROM on the Controller portion of the Exciter/
Controller module. The Controller performs memory read and write operations
over the parallel bus. The memory device stores the following data...
❐
kit number
❐
revision number
❐
module speciﬁc scaling and correction factors
❐
serial number
❐
free form information (scratch pad)
A/D Converter Circuitry
Analog signals from various areas throughout the Exciter board enter the A/D
converter (A/DC). The A/DC converts these analog signals to digital form. Upon
12
68P80801H45-1
1/20/2002
EBTS System Manual - Vol 2
Base Radio Exciter
QUAD Channel 900 MHz Exciter
request of the BRC, A/DC output signals enter the BRC via SPI lines. The
Controller periodically monitors all signals.
Some of the monitored signals include ampliﬁer bias and synthesizer signals.
Low Noise Offset Direct Conversion Transmit (LNODCT) IC Circuitry
The Low Noise IC is a main interface between the Exciter and BRC. The BRC’s
Digital Signal Processor (DSP) sends digitized signals (baseband data) to the
Exciter over the DSP data bus.
The differential data clock signal serves as a 2.4 MHz reference signal to the Low
Noise IC’s internal synthesizer. The Low Noise IC compares the reference signal
with the outputs of Voltage Controlled Oscillators (VCOs). The Low Noise IC
might sense that a VCO’s output is out of phase or off-frequency. If so, then the
Low Noise IC sends correction pulses to the VCO. The pulses adjust VCO output,
thereby matching phase and frequency with the reference.
The Low Noise IC up-converts baseband data from the BRC to the transmit
frequency. The Low Noise IC also down-converts the Transmit signal from the
Power Ampliﬁer to baseband data for cartesian feedback linearization.
The BRC uses the Serial Peripheral Interface (SPI) bus to communicate with the
Low Noise IC. The SPI bus serves as a general purpose, bi-directional, serial link
between the BRC and other Base Radio modules, including the Exciter. The SPI
carries control and operational data signals to and from Exciter circuits.
Synthesizer Circuitry
The synthesizer circuit consists of the Phase-Locked Loop (PLL) IC and associated
circuitry. This circuit’s controls the 1025 MHz VCO signal. An internal phase
detector generates a logic pulse. This pulse is proportional to the phase or
frequency difference between the reference frequency and loop pulse signal.
The charge pump circuit generates a correction signal. The correction signal
moves up or down in response to phase detector output pulses. The correction
signal passes through the low-pass loop ﬁlter. The signal then enters the 1025
MHz Voltage Controlled Oscillator (VCO) circuit.
1025 MHz Voltage Controlled Oscillator (VCO)
For proper operation, the VCO requires a very low-noise, DC supply voltage. An
ultra low-pass ﬁlter prepares the necessary low-noise voltage and drives the
oscillator.
A portion of the oscillator output signal enters the synthesizer circuitry. The
circuitry uses this feedback signal to generate correction pulses.
The 1025MHz VCO output mixes with the 90.3 MHz VCO output. The result is a
Local Oscillator [LO) signal for the Low Noise IC. The LNODCT uses this LO
signal to up-convert the programmed transmit frequency. The Low Noise IC also
uses the LO signal to down-convert the PA feedback signal.
6 8 P 8 0 8 0 1H45- 1
1/20/2002
13
Base Radio Exciter
EBTS System Manual - Vol 2
QUAD Channel 900 MHz Exciter
90.3 MHz Voltage Controlled Oscillator (VCO)
The synthesizer within the Low Noise IC sets the 90.3 MHz signal. The 90.3 MHz
VCO provides a LO signal to the LNODCT IC. The Low Noise IC uses this signal
in up-converting and down-converting the feedback signal.
Regulator Circuitry
The voltage regulators generate three regulated voltages: +3 Vdc, +5 Vdc and
+11.7 Vdc. The regulators obtain input voltages from the +3.3 Vdc and +14.2 Vdc
backplane voltages. The regulated voltages power various ICs and RF devices in
the Exciter.
Linear RF Amplifier Stages
The linear RF ampliﬁers boost the RF signal from the Low Noise IC. The RF
Ampliﬁer generates an appropriate signal level to drive the PA.
14
68P80801H45-1
1/20/2002
800/900/1500 MHz Base Radios
EBTS System Manual - Vol 2
Exciter
970 MHZ
VCO CIRCUITRY
EXCITER IC CIRCUITRY
LNODCT IC CIRCUITRY
RF FEEDBACK
FROM PA MODULE
+10 V
DC
FILTER
DIFFERENTIAL
TX DATA & CLOCK
DATA & CLOCK
FROM
BRC MODULE
DAC
LNODCT IC
LO
INJECTION
CIRCUITRY
90.3
VCO
CIRCUITRY
CONTROL VOLTAGE
OSCILLATOR
BUFFER
AMP
VCO FEEDBACK
OSCILLATOR
BUFFER
AMP
REGULATOR
CIRCUITRY
ADDRESS DECODE, MEMORY, & A/D
CONVERTER CIRCUITRY
SYNTHESIZER
CIRCUITRY
CHIP
SELECT
+3.3 V
+14.2 V
FROM
BACKPLANE
ADDRESS BUS
FROM CONTROL
MODULE
SPI BUS (CLOCK & DATA)
FROM BACKPLANE
+3 V
REGULATOR
(U3702)
MEMORY
+3 V
SOURCE
2.4 MHZ
BUFFER
PHASE
LOCKED
LOOP
RIN
IC
CHARGE
PUMP
LOW-PASS
LOOP
FILTER
+11.7 V
SOURCE
+11.7 V
REGULATOR
FIN
VARIOUS
SIGNALS
TO MONITOR
A/D
CONVERTER
+5 V
REGULATOR
VCO
FEEDBACK
+5 V
SOURCE
SPI BUS
TO/FROM CONTROL
MODULE
LINEAR RF AMPLIFIER
CIRCUITRY
BPF
RF OUTPUT
TO PA MODULE
EBTS283Q
080601JNM
NOTE: Where two frequencies are given, frequency without parentheses applies to 800 MHz BR only and frequency with parentheses applies to 900 MHz BR only.
Figure 9
22
800 and 900 MHz MHz QUAD Channel Exciter Functional Block Diagram
68P 80801H45- 1
1/ 20/ 2002
EBTS System Manual - Vol 2
Power Amplifier (PA)
Power Amplifier (PA)
Overview
This section provides technical information for the Power Ampliﬁer (PA).
Page
Description
Power Amplifer Overview
Section
Describes the the various Base Radio Power
Ampliﬁer (PAs) for the single channel and QUAD
Channel Base Radios (BR)s.
PA Theory of Operation
Describes the various modules and functions for
the various single channel and QUAD Channel
Base Radios (BRs)
40W - 800 MHz PA
Functional Block Diagram
(Sheet 1 of 1)
17
Functional Block Diagram for the 40 Watt, 800
MHz, Single Channel Base Radio Power Ampliﬁer
(PA)
70W - 800 MHz PA
Functional Block Diagram
(Sheet 1 of 1)
18
Functional Block Diagram for the 70 Watt, 800
MHz, Single Channel Base Radio Power Ampliﬁer
(PA)
60W - 900 MHz PA
Functional Block Diagram
(Sheet 1 of 1)
19
Functional Block Diagram for the 60 Watt, 900
MHz, Single Channel Base Radio Power Ampliﬁer
(PA)
40W - 1500 MHz PA
Functional Block Diagram
(Sheet 1 of 1)
20
Functional Block Diagram for the 40 Watt, 1500
MHz, Single Channel Base Radio Power Ampliﬁer
(PA)
800 MHz QUAD Channel BR
PA Functional Block
Diagram (Sheet 1 of 1)
21
Functional Block Diagram for the 800 MHz QUAD
Channel Base Radio Power Ampliﬁer (PA)
900 MHz QUAD Channel BR
PA Functional Block
Diagram (Sheet 1 of 1)
21
Functional Block Diagram for the 900 MHz QUAD
Channel Base Radio Power Ampliﬁer (PA)
FRU Number to Kit Number Cross Reference
Power Ampliﬁer (PA) Field Replaceable Units (FRUs) are available for the iDEN
EBTS. The FRU contains the PA kit and required packaging. Table 1 provides a
cross reference between PA FRU numbers and kit numbers.
Table 1
FRU Number to Kit Number Cross Reference
Description
6 8 P 8 0 8 0 1H45- 1
1/20/2002
FRU Number
Kit Number
40 W- 800 MHz Single Channel Base Radio PA
TLF2020
CLF1772
70 W- 800 MHz Single Channel Base Radio PA
TLN3335
CLF1771
60 W- 900 MHz Single Channel Base Radio PA
CLN1355
CLF1300
40 W- 1500 MHz Single Channel Base Radio PA
TLN3426
TTG1000
52 W- 900 MHz QUAD Channel Base Radio PA
DLN1202
CTF1082
52 W- 800 MHz QUAD Channel Base Radio PA
CLF1499
CLF1400
Power Amplifier (PA)
EBTS System Manual - Vol 2
Power Amplifer Overview
Power Amplifer Overview
NOTE
The power outputs discussed on this section for the
800 MHz QUAD and 900 MHz QUAD Power
Ampliﬁers are referenced to the single carrier mode,
operating at 52 W average power output from the
Power Ampliﬁer’s output connector.
The Power Ampliﬁer (PA), with the Exciter, provides the transmitter functions for
the Base Radio. The PA accepts the low-level modulated RF signal from the
Exciter. The PA then ampliﬁes the signal for transmission and distributes the
signal through the RF output connector.
The 800 MHz Base Radio can be equipped with either 40 Watt PA, TLF2020
(version CLF1771) or 70 Watt PA, TLN3335 (version CLF1772). The 40W PA
module consists of ﬁve hybrid modules, four pc boards, and a module heatsink/
housing assembly. The 70W PA module consists of eight hybrid modules, four pc
boards, and a module heatsink/housing assembly.
The 900 MHz Base Radio is equipped with 60 Watt PA, CLN1355 (kit no.
CLF1300A). The PA module consists of four hybrid modules, two pc boards, and
a module heatsink/housing assembly.
The 1500 MHz Base Radio is equipped with 40 Watt PA, TLN3426 (version
TTG1000). The PA module consists of four hybrid modules, two pc boards, and
the module heatsink/housing assembly.
The PA connects to the chassis backplane through a 96-pin DIN connector and
three blindmate RF connectors. Two Torx screws located on the front of the PA
hold it in the chassis.
Speciﬁcations of the transmitter circuitry, including the Exciter and PAs, are
provided in Base Radio Overview section. Figure 1 shows the 40W, 800 MHz PA.
Figure 2 shows the 70W, 800 MHz PA. Figure 3 shows the 60W, 900 MHz PA.
Figure 4 shows the 40W, 1500 MHz PA. Figure 5 shows the 800 MHz QUAD PA
(the 900 MHz QUAD PA is similar in appearance)
68P80801H45-1
1/20/2002
EBTS System Manual - Vol 2
Power Amplifier (PA)
Power Amplifer Overview
Figure 5
6 8 P 8 0 8 0 1H45- 1
1/20/2002
800/900 MHz QUAD PA
Power Amplifier (PA)
EBTS System Manual - Vol 2
PA Theory of Operation
PA Theory of Operation
Table 2 describes the basic functions of the PA circuitry. Figures 6 and 7 show the
functional block diagrams of 40W, 800 MHz and 70W, 800 MHz PA, respectively.
Figure 8 shows the functional block diagram of the 60W, 900 MHz PA. Figure 9
shows a functional block diagram of the 40W, 1500 MHz PA. Figure 10 shows a
functional block diagram of 800 MHz. Figure 10 shows a functional block
diagram of 900 MHz QUAD PA.
Table 2
Power Amplifier Circuitry
Circuit
DC/Metering Board
Description
• Serves as the main interface between the PA and the backplane board
• Accepts RF input from the Exciter via a blindmate RF connector
• Routes the RF input via a 50 Ω stripline to the Linear Driver Module
RF ampliﬁer
• Routes the RF feedback from the RF Combiner/Peripheral Module
to the Exciter via a blindmate RF connector
• Provides digital alarm and metering information of the PA to the
BRC via the SPI bus
• Routes DC power to the fans and PA
• Contains the thermistor that senses the PA temperature (800 MHz
QUAD and 900 MHz QUAD)
• Contains a Linear Driver Module and Linear Final Module Bias
Enable Circuit (900 MHz QUAD)
• Contains a Voltage Variable Attenuator Circuit (900 MHz QUAD)
Linear Driver Module
(LDM)
• Contains two Class AB stages with the ﬁnal stage in a parallel
conﬁguration (70W-800 MHz, 40W-800 MHz, 800 MHz QUAD)
• Contains three cascaded Class AB stages with the ﬁrst two stages
conﬁgured as distributed ampliﬁers and the ﬁnal stage in parallel
conﬁguration (900 MHz QUAD)
• Contains three cascaded stages (Class A + Class AB + Class AB) with
the ﬁnal stage in push-pull conﬁguration (900 MHz)
• Contains four cascaded stages (Class A + Class AB + Class AB +
Class AB) with the ﬁnal stage in a push-pull conﬁguration (1500
MHz)
• Ampliﬁes the low-level RF signal ~25 mW average power from the
Exciter via the DC/Metering Board (900 MHz)
• Ampliﬁes the low level RF signal ~11mW average power from the
Exciter via the DC/Metering Board (70W-800 MHz, 800 MHz
QUAD*, 900 MHz QUAD*)
• Ampliﬁes the low-level RF signal ~8 mW average power from the
Exciter via the DC/Metering Board (40W- 800 MHz, 1500MHz)
• Provides an output of:
~8 W (70W, 800MHz) average power
~4 W (40W, 800 MHz) average power
~6 W (800 MHz QUAD* and 900 MHz QUAD*) average power
~17 W (900MHz) average power
~16 W (1500MHz) average power
68P80801H45-1
1/20/2002
EBTS System Manual - Vol 2
Power Amplifier (PA)
PA Theory of Operation
Table 2
Power Amplifier Circuitry (Continued)
Circuit
Description
Interconnect Board
(70W-800 MHz, 40W-800
MHz, 800 QUAD, and 900
MHz QUAD
• Provides RF interconnection from the LDM to the RF Splitter board
RF Splitter/DC board
• Interfaces with the DC/Metering Board to route DC power to the
LFMs
• Provides DC supply ﬁltering
• Interfaces with the DC/Metering Board to route PA Bias Enable to
the six Linear Final Modules (900 MHz Quad)
• Contains splitter circuits that split the RF output signal of the LDM
to the three Linear Final Modules (40W- 800 MHz)
• Contains splitter circuits that split the RF output signal of the LDM
to the six Linear Final Modules (70W- 800 MHz, 800 MHz QUAD
and 900 MHz QUAD)
• Contains a Quadrature splitter circuit to split the RF output signal of
the LDM to the two Linear Final Modules (900 MHz and 1500 MHz)
Linear Final Module
(LFM)
• Each module contains two Class AB ampliﬁers in parallel. Each
module ampliﬁes one of three RF signals (~ 84 W average power)
from the LDM (via the Splitter/DC board). Three LFMs provide a
sum RF output of approximately 48 W average power, before losses.
(40W, 800MHz)
• Each module contains two Class AB ampliﬁers in parallel. Each
module ampliﬁes one of six RF signals (~ 8 W average power) from
the LDM (via the Splitter/DC board). Six LFMs provide a sum RF
output of approximately 97 W average power, before losses. (70W,
800MHz)
• Each module contains two Class AB ampliﬁers in parallel. Each
module ampliﬁes one of six RF signals (~6W average power) from
the LDM (via the splitter/DC Board). Six LFMs provide a sum RF
output of approximately 73W average power , before losses. (800
MHZ QUAD* and 900 MHz QUAD*)
• Each module contains two Class push-pull AB ampliﬁers in parallel.
Each module ampliﬁes one of two RF signals (~ 17 W average
power) from the LDM (via the Splitter/DC board). Two LFMs
provide a sum RF output of approximately 75 W average power,
before losses. (900MHz)
• Each module contains two push-pull Class AB ampliﬁers in parallel.
Each module ampliﬁes one of two RF signals (~ 16 W average
power) from the LDM (via the Splitter/DC board). Two LFMs
provide a sum RF output of approximately 56W average power,
before losses. (1500MHz)
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RF Interconnect Board
(40W- 800 MHz PA only)
• Contains three transmission lines that interconnect the LFMs to the
RF Combiner/Peripheral Module
Combiner Board
(70W-800 MHz PA, 800
MHz QUAD, 900 MHz
QUAD)
• Contains three separate Quadrature combiner circuits that
respectively combine the six RF outputs from the LFMs into three
signals. These three signals, in turn, are applied to the RF Combiner/
Peripheral Module.
Power Amplifier (PA)
EBTS System Manual - Vol 2
PA Theory of Operation
Table 2
Power Amplifier Circuitry (Continued)
Circuit
RF Combiner/Peripheral
Module
Description
• Contains a combiner circuit that combines the three RF signals from
the RF Interconnect Board (40W- 800 MHz PA) or the Combiner
Board (70W-800 MHz PA). It then routes the combined RF signal
through a single stage circulator and a Low Pass Filter. The ﬁnal
output signal is routed to the blindmate RF connector (40W-800 MHz
and 70W-800 MHz PAs).
• Contains a combiner circuit that combines the three RF signals from
the Combiner Board. It then routes the combined RF signal through a
dual stage circulator and a Low Pass Filter. The ﬁnal output signal is
routed to the blindmate RF output connector. (800 MHz QUAD and
900 MHz QUAD PAs)
• Contains a Quadrature combiner circuit to combine the RF signal
from the two LFMs. It routes the combined RF signal through a
circulator and a Low Pass Filter. The output signal is routed to the
blindmate RF connector (900 MHz and 1500 MHz PAs)
• Contains an RF coupler that provides an RF feedback signal to the
Exciter via a blindmate RF connector on the DC/Metering Board.
Also contains a forward and reverse power detector for alarm and
power monitoring purposes.
• Contains the thermistor that senses PA temperature and feeds the
signal back to the DC/Metering Board for processing (40W-800
MHz, 70W-800 MHz, 900 MHz and 1500 MHz)
Fan Assembly
• Consists of three fans used to keep the PA within predetermined
operating temperatures
NOTE: * The power outputs described in this section for the 800 QUAD and 900 QUAD PAs are references to the
single carrier mode operating at 52W average power out from the PA output connector.
DC/Metering Board (Non-QUAD PA)
The DC/Metering Board provides the interface between the PA and the Base
Radio backplane. The preampliﬁed/modulated RF signal is input directly from
the Exciter via the Base Radio backplane.
The RF input signal is applied to the input of the Linear Driver Module (LDM).
The RF feedback signal is fed back to the Exciter, where it is monitored for errors.
The primary function of the DC/Metering Boards is to monitor proper operation
of the PA. This information is forwarded to the Base Radio Controller (BRC) via
the SPI bus. The alarms diagnostic points monitored by the BRC on the PA
include the following:
10
❐
Forward power
❐
Reﬂected power
❐
PA temperature sense
❐
Fan Sensor
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EBTS System Manual - Vol 2
Power Amplifier (PA)
PA Theory of Operation
DC/Metering Board (QUAD PA Only)
The DC/Metering Board in the QUAD Radio serves the same function as it does
in other radios. However, its circuitry is modiﬁed for compatibility with the
QUAD Station. As a result, its logic circuitry is operated at 3.3 VDC.
In addition to the functions listed for non-QUAD versions above, the following
meter points are ported to the SPI bus:
❐
A and B Currents
❐
Thermistor (for PA temperature sensing circuit on the DC/Metering Board)
❐
Voltage Variable Attenuator Circuit (900 MHz QUAD version)
❐
PA Bias Enable Circuitry (900 MHz QUAD version)
Linear Driver Module
40W-800 MHz, 70W-800 MHZ and 800 MHZ QUAD PAs
The Linear Driver Module (LDM) ampliﬁes the low-level RF signal from the
Exciter. The LDM consists of a two-stage cascaded Class AB ampliﬁer, with the
ﬁnal stage in a parallel conﬁguration.
See Table 2 for the approximate input and output levels of the various LDMs. The
LDM output is fed to the RF Splitter/DC Distribution Board via an Interconnect
Board.
900 MHz PA
The Linear Driver Module (LDM) ampliﬁes the low-level RF signal from the
Exciter. The LDM consists of a three-stage, cascaded, Class AB ampliﬁer, with the
ﬁrst two stages conﬁgured as distributed ampliﬁers and the ﬁnal stage in a
push-pull conﬁguration. This output is fed directly to the RF Splitter/DC
Distribution Board.
See Table 2 for the approximate input and output power of the 900 MHz LDM.
The LDM output is fed to the RF Splitter/DC Distribution Board via the
Interconnect Board.
1500 MHz PA
The Linear Driver Module (LDM) takes the low level RF signal and ampliﬁes it.
The LDM consists of a four stage, cascaded, Class AB ampliﬁer, with the ﬁnal
stage conﬁgured in push-pull conﬁguration. This output is fed directly to the RF
Splitter/DC Distribution Board.
See Table 2 for the approximate input and output power of the 1500 MHz LDM.
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11
Power Amplifier (PA)
EBTS System Manual - Vol 2
PA Theory of Operation
900 QUAD PA
The Linear Driver Module (LDM) ampliﬁes the low-level RF signal from the
Exciter. The LDM consists of a three stage, cascaded, Class AB ampliﬁer, with the
ﬁnal stage in a parallel conﬁguration.
See Table 2 for the approximate input and output power of the 900 MHz QUAD
LDM.
The LDM Output is fed to the RF Splitter/DC Distribution Board via the
Interconnect Board.
Interconnect Board (40W-800 MHz, 70W-800 MHz , 800 MHz QUAD
and 900 MHz QUAD)
The output of the LDM is applied to the Interconnect Board, which provides an
RF connection to the RF Splitter/DC Distribution Board. As a separate function,
area on the Interconnect Board serves as a convenient mounting location for
electrolytic capacitors used for ﬁltering the +28 VDC supply.
RF Splitter/DC Distribution Board
40W-800 MHz, 70W-800 MHz, 800 MHz QUAD and 900 MHz QUAD
The RF Splitter portion of this board accepts the ampliﬁed signal from the LDM
(via the Interconnect Board). The primary function of this circuit is to split the RF
signal into drive signals for the LFMs.
In the 40W-800 MHz PA, this circuit splits the drive signal into three separate
paths to be applied to the three LFMs, where the signals will be ampliﬁed further.
In the 70W-800 MHz, 800 MHz QUAD and 900 MHZ QUAD PAs, this circuit
splits the drive signal into six separate paths to be applied to the six LFMs, where
the signals will be ampliﬁed further.
The DC Distribution portion of this board interfaces directly with the DC/
Metering Board to route DC power to the LFMs and provide PA Bias Enable (900
MHz QUAD only)
900 MHz and 1500 MHz
The RF Splitter portion of this board accepts the ampliﬁed signal from the LDM.
The primary function of this circuit is to split the RF signal into two separate
paths. These two outputs are fed directly to two separate Linear Final modules
where the RF signals will be ampliﬁed further.
The DC Distribution portion of this board interfaces directly with the DC/
Metering Board to route DC power to the LFMs.
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Power Amplifier (PA)
PA Theory of Operation
Linear Final Modules
40W-800 MHz, 70W-800 MHz, 800 MHz QUAD and 900 MHz QUAD
The RF Splitter output signals are applied directly into the LFMs for ﬁnal
ampliﬁcation. Each LFM contains a coupler that splits the LFM input signal and
feeds the parallel Class AB ampliﬁers that amplify the RF signals.
In the 40W PA, the ampliﬁed signals are then combined on the LFM and sent
directly to the RF Interconnect Board. In the 70W PA, the ampliﬁed signals are
then combined on the LFM and sent directly to the Combiner Board.
See Table 2 for the approximate total summed output powers of the various
LFMs, before output losses.
900 MHz PA
The RF signals from the outputs of the RF Splitter are applied directly into the
Linear Final Module (LFM) for ﬁnal ampliﬁcation. Each LFM contains a
branchline coupler that splits the LFM’s input signal and feeds the dual Class AB
push-pull ampliﬁers that amplify the RF signals. The ampliﬁed signals are then
combined on the LFM and sent directly to the RF Combiner circuit for ﬁnal
distribution. See Table 2 for the approximate total summed output power of the
900 MHz LFMs, before output losses.
1500 MHz PA
The two RF signals from the outputs of the RF Splitter are input directly into the
Linear Final Module (LFM) for ﬁnal ampliﬁcation. Each LFM contains a
branchline coupler that splits the LFM’s input signal and feeds the dual Class AB
push-pull ampliﬁers that amplify the RF signals. The ampliﬁed signals are then
combined on the LFM , via a branchline coupler, and sent directly to the RF
Combiner circuit for ﬁnal distribution. See Table 2 for the approximate total
summed output power of the 1500 MHz LFMs, before output losses.
The current drains of the 1500 MHz LFMs are monitored by the A/D converter on
the DC/Metering board. A voltage signal representative of the LFM current drain
is sent to the BRC. A Power Ampliﬁer alarm is generated if the signal is outside of
either the upper or lower limits.
RF Interconnect Board (40W- 800 MHz PA Only)
The RF Interconnect Board consists of transmission line paths which route the
three output signals from the LFMs to the three inputs of the RF Combiner/
Peripheral Module.
Combiner Board (40W- 800 MHz, 70W- 800 MHz, 800 MHz QUAD and
900 MHz QUAD PAs)
The Combiner Board combines pairs of signals into single signals, thereby
combining the six signals from the LDMs into three signals. The resulting three
signals are applied to the RF Combiner/Peripheral Module.
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Power Amplifier (PA)
EBTS System Manual - Vol 2
PA Theory of Operation
RF Combiner/Peripheral Module (40- 800 MHz, 70W- 800 MHz PAs)
This module consists of two portions: an RF combiner and a peripheral module.
The RF Combiner portion of the module combines the three RF signals from the
RF Interconnect Board (40W- 800 MHz PA) or the Combiner Board (70W- 800
MHz PA) into a single signal using a Wilkinson coupler arrangement.
Following the combiner circuit, the single combined RF signal is then passed
through a directional coupler which derives a signal sample of the LFM RF power
output. Via the coupler, a sample of the RF output signal is fed to the Exciter, via
the DC/Metering Board, as a feedback signal. Following the coupler, the power
output signal is passed through a single stage circulator, which protects the PA in
the event of high reﬂected power.
The peripheral portion of the module provides a power monitor circuit that
monitors the forward and reﬂected power of the output signal. This circuit
furnishes the A/D converter on the DC/Metering Board with input signals
representative of the forward and reﬂected power levels.
For forward power, a signal representative of the measured value is sent to the
BRC via the SPI bus. The BRC determines if this level is within tolerance of the
programmed forward power level. If the level is not within parameters, the BRC
will issue a warning to the site controller which, in turn, will shut down the
Exciter if required.
Reﬂected power is monitored in the same manner. The BRC uses the reﬂected
power to calculate the voltage standing wave ratio (VSWR). If the VSWR is
determined to be excessive, the forward power is rolled back. If it is extremely
excessive, the BRC issues a shut-down command to the Exciter.
A thermistor is located on the RF Combiner/Peripheral module to monitor the
operating temperature of the PA. The thermistor signal indicating excessive
temperature is applied to the A/D converter and then sent to the BRC. The BRC
rolls back forward power if the monitored temperature is excessive.
900 MHz PA
This module consists of two parts: an RF combiner and a peripheral module. The
RF combiner combines the two RF signals from each LDM into a single signal,
using a branchline coupler arrangement. Then, the RF signal passes through a
directional coupler which derives a signal sample of the LFMs RF power output.
Via the coupler, a sample of the RF output signal is fed to the Exciter, via the DC/
Metering Board, as a feedback signal, thereby allowing the Exciter to accordingly
adjust signal drive. Following the coupler, the power output signal is passed
through a circulator, which protects the PA in the event of high reﬂected power.
A power monitor circuit monitors the forward and reﬂected power of the output
signal. This circuit furnishes the A/D converter on the DC/Metering Board with
input signals representative of the forward and reﬂected power levels.
For forward power, a signal representative of the measured value is sent to the
BRC via the SPI bus. The BRC determines if this level is within tolerance of the
programmed forward power level. If the level is not within parameters, the BRC
will issue a warning to the site controller which, in turn, will shut down the
Exciter if required.
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EBTS System Manual - Vol 2
Power Amplifier (PA)
PA Theory of Operation
Reﬂected power is monitored in the same manner. The BRC uses the reﬂected
power to calculate the voltage standing wave ratio (VSWR). If the VSWR is
determined to be excessive, the forward power is rolled back. If it is extremely
excessive, the BRC issues a shut-down command to the Exciter.
A thermistor is located on the RF Combiner/Peripheral module to monitor the
operating temperature of the PA. A voltage representative of the monitored
temperature is sent from the A/D converter to the BRC. The BRC rolls back
forward power if the monitored temperature is excessive.
1500 MHz
Both LFM outputs are input into this module where they are combined, with a
branchline coupler, for a single output signal. The RF signal is ﬁrst coupled to the
Exciter module, via the DC/Metering Board, so that it can be monitored. The RF
output signal is then passed through a circulator that acts as a protection device
for the PA in the event of reﬂected power.
A power monitor circuit monitors the forward and reﬂected power of the output
signal. This circuit provides the A/D converter on the DC/Metering board with
an input signal representative of the forward or reﬂected power levels.
For forward power, a signal representative of the measured value is sent to the
BRC module via the SPI bus. The BRC determines if this level is within tolerance
of the programmed forward power level. The programmed forward power is set
through the use of MMI commands. If the level is not within certain parameters,
the BRC will issue a warning to the site controller and may shut-down the Exciter
module.
Reﬂected power is monitored in the same manner except that the BRC determines
an acceptable reﬂected power level. The BRC calculates the reﬂected power
through an algorithm stored in memory. If the reﬂected power is determined to be
excessive, the forward power is rolled back. If the reﬂected power level is
extremely excessive, the BRC will issues a shut-down command to the Exciter
module.
A thermistor is located on the RF Combiner/Peripheral module to monitor the
operating temperature of the Power Ampliﬁer. A voltage representative of the
monitored temperature is sent from the A/D converter to the BRC. The BRC
issues a cut-back command to the Exciter module if the monitored temperature is
greater than 121˚ F (85˚ C).
RF Combiner/Peripheral Module (800 MHz QUAD and 900 MHz QUAD)
This module consists of two parts: an RF combiner and a Peripheral module. The
RF combiner combines three RF signals from the Combiner Board into a single
signal using a Wilkinson coupler arrangement. Following the combiner circuit,
the single combined RF signal is then passed through a directional coupler, which
derives a signal sample of the LFM RF power output. Via the coupler, a sample of
the RF output signal is fed to the Exciter, via the DC/Metering Board, as a
feedback signal. Following the coupler, the power output signal is passed through
a dual stage circulator, which protects the PA in the event of high reﬂected power.
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15
Power Amplifier (PA)
EBTS System Manual - Vol 2
PA Theory of Operation
The Peripheral module provides a power monitor circuit that monitors the
forward and reﬂected power of the output signal. This circuit furnishes the A/D
converter on the DC/Metering Board with input signals, representative of the
forward and reﬂected power levels.
For forward power, a signal representative of the measured value is sent to the
BRC via the SPI bus. The BRC determines if this level is within tolerance of the
programmed forward power level. If the level is not within tolerance, the BRC
will issue a warning to the site controller, which, in turn, will shut down the
Exciter, if required.
Reﬂected power is monitored in the same manner. The BRC uses the reﬂected
power to calculate the voltage standing wave ratio (VSWR). If the VSWR is
calculated as excessive, forward power is rolled back. If the VSWR calculation is
exceedingly out of tolerance, the BRC issues a shut-down command to the Exciter.
NOTE
The Thermistor that monitors the operating
temperature of the 800 MHZ QUAD and 900 MHz
QUAD PAs is located on the DC/Metering Board
Fan Module
The PA contains a fan assembly to maintain normal operating temperature
through the use of a cool air intake. The fan assembly consists of three individual
fans in which airﬂow is directed across the PA heatsink.
The current draw of the fans is monitored by the DC/Metering Board. A voltage
representative of the current draw is monitored by the BRC. The BRC ﬂags the
iSC if an alarm is triggered. The PA LED on the front panel of the BRC also lights,
however the PA does not shut down due to a fan failure alone.
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800/900/1500 MHz Base Radios
EBTS System Manual - Vol 2
Power Amplifier
900 MHz QUAD Power Amplifier – DLN1202 (CTF1082)
Functional Block Diagram
PA_E
RF SPLITTER/DC
DISTRIBUTION BOARD
PA_E
LINEAR FINAL
MODULES
COMBINER
BOARD
PA_E
ADDRESS DECODE, MEMORY,
& A/D CONVERTER CIRCUITRY
LINEAR DRIVER MODULE
INTERCONNECT
BOARD
50 OHM
LOAD
PA_E
50 OHM
LOAD
RF INPUT
VVA
EEPOT
C_E
PA_E
INC
CLK/DATA
STAGE 1
CLASS AB
DISTRIBUTED
MEMORY
CHIP SELECT
DECODE
CIRCUITRY
PA_E
STAGE 2
CLASS AB
CHIP SELECT
SPI BUS
TO/FROM BRC
STAGE 2
CLASS AB
DISTRIBUTED
PA_E
PA_E
50 OHM
LOAD
DC
FILTER
50 OHM
LOAD
PA_ENABLE (PA_E)
50 OHM
LOAD
V_D
+28 VDC
CHIP
SELECT
ADDRESS BUS
FROM BRC
FAN ASSEMBLY
FAN SENSE
A/D
CONVERTER
PA_E
50 OHM
LOAD
BOARD SELECT
DECODE
CIRCUITRY
PA TEMP SENSE
FWD PWR
REF PWR
RF COMBINER/
PERIPHERAL MODULE
50 OHM
LOAD
50 OHM
LOAD
LOW-PASS
FILTER
50 OHM
LOAD
PA_E
TEMPERATURE
SENSOR
RF OUT
TO ANTENNA
PA_E
PA_E
50 OHM
LOAD
PA_E
50 OHM
LOAD
CIRCULATOR
50 OHM
LOAD
CIRCULATOR
PA_E
STAGE 3
CLASS AB
RF FEEDBACK
TO EXCITER
MODULE
EBTS417_900
121701JNM
Figure 11
22
900 MHz QUAD Channel BR PA Functional Block Diagram
(Sheet 1 of 1)
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EBTS System Manual - Vol 2
DC Power Supply
DC Power Supply
Overview
This section provides technical information for the DC Power Supply (PS).
Chapter
Page
Description
Single Channel DC Power
Supply Overview
Describes the functions and characteristics of the
DC Power Supply (PS) module for the single
channel Base Radio (BR).
DC Power Supply for
QUAD Channel Base Radios
Describes the functions and characteristics of the
DC Power Supply (PS) module for the QUAD
channel Base Radio (BR).
DC Power Supply Functional
Block Diagram (Sheet 1 of 2)
Functional Block Diagram for the Single Channel
DC Power Supply (PS)
QUAD BR DC Power Supply
(Sheet 1 of 2)
11
Functional Block Diagram for the QUAD Channel
DC Power Supply (PS)
FRU Number to Kit Number Cross Reference
DC Power Supply Field Replaceable Units (FRUs) are available for the iDEN
EBTS. The FRU contains the Power Supply kit and required packaging. Table 1
provides a cross reference between Exciter FRU numbers and kit numbers.
Table 1
FRU Number to Kit Number Cross Reference
Description
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FRU Number
Kit Number
Single Channel DC Power Supply
TLN3338
CPN1027
QUAD Channel DC Power Supply
CLN1498
CLN1461
EBTS System Manual - Vol 2
DC Power Supply
DC Power Supply for QUAD Channel Base Radios
DC Power Supply for QUAD Channel Base Radios
QUAD Channel DC Power Supply Overview
The QUAD Channel DC Power Supply provides DC operating voltages to QUAD
Channel Base Radio FRUs. The power supply accepts input voltage sources from
41VDC to 60VDC. Input sources may be either positively or negatively grounded.
On initial startup, the supply requires a nominal 43 VDC. If the voltage drops
below 41 VDC, the QUAD Channel DC Power Supply enters quiescent mode. In
quiescent mode, the power supply emits no power.
The QUAD Channel DC Power Supply is designed for sites with an available DC
voltage source. Output voltages from the DC Power Supply are 28.6 VDC,
14.2 VDC and 3.3 VDC, with reference to output ground. The supply is rated for
575 Watts of continuous output, with up to 113˚ F (45˚ C) inlet air. At 140˚ F (60˚
C), the 28.6 VDC output reduces to 80% of maximum.
The QUAD Channel DC Power Supply consists of the Power Supply and front
panel hardware. The QUAD Channel DC Power Supply connects to the chassis
backplane through an edgecard connector. Two Torx screws on the front panel
secure the QUAD Channel DC power supply to the chassis.
Figure 2 shows the QUAD Channel Power Supply with the cover removed.
Figure 2
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Quad Carrier Power Supply
DC Power Supply
EBTS System Manual - Vol 2
DC Power Supply for QUAD Channel Base Radios
QUAD Channel DC Power Supply Controls and Indicators
Table 5 summarizes LED indications on the QUAD Channel DC Power Supply
during normal operation. The ON/OFF switch behind the front panel turns DC
power supply on and off.
Table 5
DC Power Supply Indicators
LED
Condition
Indications
Solid (on)
Power Supply is on, and operating under normal conditions with
no alarms
Off
Power Supply is turned off or required power is not available
Solid (on)
Power Supply fault or load fault on any output, or input voltage is
out of range
Off
Power Supply is operating normally, with no alarms
Green
Red
QUAD Channel DC Power Supply Performance Specifications
Table 6 lists the speciﬁcations for the QUAD Channel DC Power Supply.
Table 6
DC Power Supply Specifications
Description
Operating Temperature
Value or Range
0° to +40° C (no derating)
+41° to +60° C (derating)
Input Voltage
41 to 60 VDC
Input Polarity
Positive (+) ground system
Startup Voltage
43 VDC (minimum)
Input Current
18.0 A (maximum) @ 41 VDC
Steady State Output Voltages
28.6 VDC +5%
14.2 VDC +5%
3.3 VDC +5%
Total Output Power Rating
575 W (no derating)
485 W (derating)
Output Ripple
All outputs 150mV p-p (measured with
20 MHz BW oscilloscope at 25°C)
High Frequency individual harmonic voltage
limits (10kHz to 100MHz) are:
Short Circuit Current
28.6 VDC
1.5 mV p-p
14.2 VDC
3.0 mV p-p
3.3 VDC
5.0 mV p-p
0.5 A average (maximum)
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DC Power Supply
DC Power Supply for QUAD Channel Base Radios
QUAD Channel DC Power Supply Theory of Operation
Table 7 brieﬂy describes the basic DC Power Supply circuitry. Figure 5 shows the
functional block diagrams for the DC Power Supply.
Table 7
DC Power Supply Circuitry
Circuit
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Description
Input Circuit
Routes input current from the DC power input cable through the
high current printed circuit edge connector, EMI ﬁlter, panel mounted
combination circuit breaker, and on/off switch
Startup Inverter
Circuitry
Provides VDC for power supply circuitry during initial power-up
Main Inverter Circuitry
Consists of a switching-type power supply to generate the +28.6 VDC
supply voltage
Temperature Protection
The Power Supply contains a built-in cooling fan that runs whenever
the supply is powered on. The supply shuts down if the temperature
exceeds a preset threshold
+14.2 VDC Secondary
Converter Circuitry
Consists of a switching-type power supply to generate the +14.2 VDC
supply voltage
+3.3 VDC Secondary
Converter Circuitry
Consists of a switching-type power supply to generate the +3.3 VDC
supply voltage
Clock Generator
Circuitry
Generates the 267 kHz and 133 kHz clock signals used by the pulse
width modulators in the four inverter circuits
Address Decode,
Memory, & A/D
Converter
Serves as the main interface between A/D on the Power Supply and
the BRC via the SPI bus
EBTS System Manual - Vol 2
800/900/1500 MHz Base Radios
DC Power Supply
MAIN INVERTER CIRCUITRY
MAIN ISOLATION
TRANSFORMER
MOD FAIL
SOFTSTART
CIRCUITRY
+28 V BULK TO
DIAGNOSTICS
CIRCUITRY
SHUTDOWN
PULSE
WIDTH
MODULATOR
POWER FET
SWITCHES
TRANSISTOR
DRIVERS
P/O
BACKPLANE
CONNECTOR
+28.6 VDC
TO
STATION
MODULES
VIA
BACKPLANE
+28.6 VDC
FILTERING
CIRCUITRY
14
15
VCC
267 KHZ
133 KHZ
133 KHZ
+28.6 V OVERVOLTAGE
DETECT
VCC
INPUT FILTER BOARD
REF
FRONT PANEL
ON / OFF
SWITCH
CURRENT
DETECT
OVERCURRENT
DETECT
REF
FILTER
CIRCUITRY
EXTERNAL
DC INPUT
41-60 VDC
+12V STARTUP BIAS
+28 V BULK
+14.2 V INVERTER CIRCUITRY
+14.2V
POWER FET
SWITCH
VCC
P/O
BACKPLANE
CONNECTOR
+14.2V
+14.2V DC
TO
STATION
MODULES
VIA
BACKPLANE
16
17
FILTER
CIRCUITRY
22
23
133 KHZ
VCC
PULSE
WIDTH
MODULATOR
STARTUP INVERTER CIRCUITRY
VCC
VCC
STARTUP ISOLATION
TRANSFORMER
FET
DRIVER
FET
+ 14.2V OVERCURRENT
DETECT
OVERVOLTAGE
DETECT
+12V STARTUP BIAS
REF
PULSE
WIDTH
MODULATOR
TRANSISTOR
SWITCH
SURGE CURRENT
DELAY
CROWBAR
CIRCUIT
REF
133 KHZ
REF
BULK DETECT
TO
DIAGNOSTICS
CIRCUITRY
+ 28V BULK
+5.1 V INVERTER CIRCUITRY
P/O
BACKPLANE
CONNECTOR
133 KHZ
POWER FET
SWITCH
VCC
VCC
267 KHZ
133 KHZ
÷2
+5.1 V DC
TO
STATION
MODULES
VIA
BACKPLANE
24
25
30
31
267 KHZ
CLOCK GENERATOR CIRCUITRY
CLOCK
GENERATOR
CIRCUITRY
+5.1 V
FILTER
CIRCUITRY
133 KHZ
PULSE
WIDTH
MODULATOR
FET
DRIVER
133 KHZ
FET
+ 5V OVERCURRENT
DETECT
OVERVOLTAGE
DETECT
REF
SURGE CURRENT
DELAY
REF
CROWBAR
CIRCUIT
267 KHZ
REF
EBTS323
011497JNM
Figure 5
1 / 2 0 /2002
QUAD BR DC Power Supply (Sheet 1 of 2)
11
800/900/1500 MHz Base Radios
EBTS System Manual - Vol 2
DC Power Supply
REF
DIAGNOSTICS CIRCUITRY
MODULE
FAIL
(RED)
REF
INPUT GOOD
(GREEN)
MOD FAIL
BULK DETECT
FROM STARTUP
INVERTER
CIRCUITRY
INPUT FAIL
REF
HEATSINK STATUS
DETECT
HEATSINK DIAG
REF
HI-TEMP
DETECT
REF
SPI BUS
A/D
CONVERTER
J300
REF
T°
COOLING
FAN
SPI BUS
TO/FROM
STATION CONTROL
MODULE
+5.1 V
THERMISTOR
MOUNTED ON
HEATSINK
+14.2V DIAG
FROM
DETECT
CIRCUITRY
+5.1 V DIAG
+28.6 V DIAG
ADDRESS DECODE CIRCUITRY
P/O ADDRESS BUS
FROM
STATION
CONTROL
BOARD
ADDRESS
DECODE
CIRCUITRY
ENABLE
ENABLE
EBTS324
012097JNM
Figure 6
12
QUAD BR DC Power Supply Functional Block Diagram (Sheet 2 of 2)
1/ 20/ 2002
Troubleshooting
EBTS System Manual - Vol 2
QUAD Channel Base Radio/Base Radio FRU Replacement Procedures
QUAD Channel Base Radio/Base Radio FRU Replacement Procedures
Replace suspected station modules with known non-defective modules to restore
the station to proper operation. The following procedures provide FRU
replacement instructions, post-replacement adjustments and veriﬁcation
instructions.
QUAD Base Radio Replacement Procedure
NOTE
Base Radio removal and installation procedures
appear for reference or buildout purposes. Field
maintenance of Base Radios typically consists of
replacement of FRUs within the Base Radio. Perform
Base Radio FRU replacement according to “Base Radio
FRU Replacement Procedure” below.
Perform Base Radio (BR) replacement as described in the following paragraphs.
CAUTION
Improper lifting or dropping the BR could result in
serious personal injury or equipment damage.
Base Radios are HEAVY!
Handle the BR with extreme caution, and according to
local health and safety regulations.
Removal
Remove the BR from the Equipment Cabinet as follows:
CAUTION
A Single Carrier BR can weigh up to 76 LBS (34 KG). A
Quad Carrier BR can weigh up to 91 LBS (41 KG).
Handle the BR with extreme caution, and according to
local health and safety regulations.
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QUAD Channel Base Radio/Base Radio FRU Replacement Procedures
1.
Remove power from the Base Radio by setting the Power Supply ON/OFF
switch to the OFF position.
2.
Tag and disconnect the cabling from the BR rear panel connectors.
3.
Remove the Power Ampliﬁer module to reduce the BR weight. Remove the
two M10 Torx screws that secure the Power Ampliﬁer module. Slide the
module out of the chassis.
4.
Remove the four M30 TORX screws which secure the BR front panel to the
Equipment Cabinet mounting rails.
5.
While supporting the BR, carefully remove the BR from the Equipment
Cabinet by sliding the BR from the front of cabinet. When the BR becomes
free from its mounting rails, be sure to fully support it.
Installation
Install BR in Equipment Cabinet as follows:
CAUTION
A Single Carrier BR can weigh up to 76 LBS (34 KG). A
Quad Carrier BR can weigh up to 91 LBS (41 KG).
Handle the BR with extreme caution, and according to
local health and safety regulations.
6 8 P 8 0 8 0 1H45- 1
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1.
If adding a BR, install side rails in the appropriate BR mounting position in
the rack.
2.
Remove the Power Ampliﬁer module to reduce the BR weight. Remove the
two M10 Torx screws that secure the Power Ampliﬁer module. Slide the
module out of the chassis.
3.
While supporting the BR, carefully lift and slide the BR in the Equipment
Cabinet mounting position.
4.
Secure the BR to the Equipment Cabinet mounting rails using four M30 Torx
screws. Tighten the screws to 40 in-lb (4.5 Nm).
5.
Slide the Power Ampliﬁer module back into the BR chassis. Replace two
M10 Torx screws that secure the Power Ampliﬁer module. Secure the
module by tightening the screws to the speciﬁed torque of 5 in-lbs.
6.
Connect the cabinet cabling to the BR. Refer to Backplane ﬁgure XX.
7.
Perform BR activation as described below.
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EBTS System Manual - Vol 2
QUAD Channel Base Radio/Base Radio FRU Replacement Procedures
NOTE
Base Radio removal and installation procedures
appear for reference or buildout purposes. Field
maintenance of Base Radios typically consists of
replacement of FRUs within the Base Radio. Perform
Base Radio FRU replacement according to “Base Radio
FRU Replacement Procedure” below.
Anti-Static Precautions
CAUTION
The Base Radio contains static-sensitive devices.
Prevent electrostatic discharge damage to Base Radio
modules! When replacing Base Radio FRUs, wear a
grounded wrist strap. Observe proper anti-static
procedures.
Motorola publication 68P81106E84 provides complete static protection
information. This publication is available through Motorola National Parts.
Observe the following additional precautions:
46
❐
Wear a wrist strap (Motorola Part No. 4280385A59 or equivalent) at all times
when servicing the Base Radio to minimize static build-up.
❐
A grounding clip is provided with each EBTS cabinet. If not available, use
another appropriate grounding point.
❐
DO NOT insert or remove modules with power applied to the Base Radio.
ALWAYS turn the power OFF using the Power Supply rocker switch on the
front of the Power Supply module.
❐
Keep spare modules in factory packaging for transporting. When shipping
modules, always pack in original packaging.
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Troubleshooting
QUAD Channel Base Radio/Base Radio FRU Replacement Procedures
QUAD BRs Radio FRU Replacement Procedure
Perform the following steps to replace any of the Base Radio FRUs:
NOTE
After a Control Board or BR replacement, the
integrated Site Controller (iSC) reboots the BR.
Whenever the BR goes off-line, the Replacement BRC
Accept Timer begins counting down. A BR reboot
occurs if the BR remains off-line as the timer times out.
(The timer’s default period is three minutes.) If
someone turns on the BR before the timer times out,
power down the BR. Then wait for the minimum
timer period before turning on the BR.
1.
Notice the Power Supply rocker switch, behind the front panel of the Power
Supply. Set the Power Supply rocker switch to the OFF (0) position. Turning
off this switch removes power from the Base Radio.
2.
Loosen the front panel fasteners. These are located on each side of the
module being replaced.
3.
Pull out the module.
4.
Insert the non-defective replacement module by aligning the module side
rails with the appropriate rail guides inside the Base Radio chassis.
5.
Gently push the replacement module completely into the Base Radio chassis
assembly using the module handle(s).
CAUTION
DO NOT slam or force the module into the chassis
assembly. Rough handling can damage the connectors
or backplane.
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6.
Secure the replacement module by tightening the front panel fasteners to the
speciﬁed torque of 5 in-lbs.
7.
Apply power to the Base Radio by setting the switch to the ON position.
8.
Perform the Station Veriﬁcation Procedure.
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Troubleshooting
EBTS System Manual - Vol 2
QUAD Channel Base Radio/Base Radio FRU Replacement Procedures
QUAD BR Power Amplifier (PA) Fan FRU Replacement
Perform the following steps to replace the Power Ampliﬁer (PA) fans.
1.
Remove the Power Ampliﬁer from the Base Radio per FRU Replacement
Procedure.
2.
Disconnect fan power cable from PA housing.
3.
Remove front panel from fan assembly.
4.
Remove fan assembly from PA chassis.
NOTE
To install the new fan kit, reverse above procedure.
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Troubleshooting
QUAD Base Radio Station Verification Procedures
QUAD Base Radio Station Verification Procedures
Perform the Station Veriﬁcation Procedures whenever you replace a FRU. The
procedures verify transmit and receive operations. Each procedure also contains
the equipment setup.
QUAD BR Replacement FRU Verification
Before shipment, the factory programs all module-speciﬁc information. Base
Radio speciﬁc information (e.g., receive and transmit frequencies) involves a
download to the Base Radio from the network/site controller.
The Base Radio does not require replacement FRU alignment.
QUAD BR Base Repeater FRU Hardware Revision Verification
NOTE
The following procedure requires the Base Radio to be
out of service. Unless the Base Radio is currently out
of service, Motorola recommends performing this
procedure during off-peak hours. Performing this
procedure then minimizes or eliminates disruption of
service to system users.
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1.
Connect one end of the RS-232 cable to the service computer.
2.
Connect the other end of the RS-232 cable to the STATUS port, located on the
front panel of the EX/CNTL module.
3.
Power on the BR using the front switch on the Power Supply Module. Press
the reset button on the Control Module front panel. At the prompt, hit a
Carriage Return on the service computer to enter the test application mode.
Use the user_id -uﬁeld and the password motorola, log in to the BR
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QUAD Base Radio Station Verification Procedures
NOTE
Future versions of the QUAD BR will ship with
software that recognizes the BR cabinet position.
Default Motorola Manufacturing BR programmed
cabinet position is (0,0), which automatically sends the
radio to Test Application software mode upon power
up. Upon setting a valid cabinet position, the radio
will default to the Call Processing mode of operation..
> lo g in - u fie ld
pa sswor d: moto ro la
fie l d>
4.
Collect revision numbers from the station by typing the
following command:
fie l d> f v - o p latfo r m
fiel d>
5.
If all modules return revision numbers of the format “Rxx.xx.xx”, then all
revision numbers are present. In that case, veriﬁcation requires no further
action. If revision numbers return as blank, or not in the format “Rxx.xx.xx”,
contact your local Motorola representative or Technical Support.
6.
Set desired cabinet id, position, and of BR by typing the following
commands, with the ﬁnal number on each command being the desired
cabinet id and position. The command example below sets cabinet id to 5,
and cabinet position to 2.
fie l d> ci - o p latfo r m -c 5
fiel d> p i - o p latfo r m -p 2
fie l d>
7.
After checking all BRs, log out by keying the following command:
fie l d> lo g o u t
NOTE
To start Call Processing mode of operation, reset the
Base Radio using the front panel switch.
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Troubleshooting
QUAD Base Radio Station Verification Procedures
QUAD BR Transmitter Verification
The transmitter veriﬁcation procedure veriﬁes the transmitter operation and the
integrity of the transmit path. This veriﬁcation procedure is recommended after
replacing an Exciter, Power Ampliﬁer, BRC, or Power Supply module.
NOTE
The following procedure requires the Base Radio to be
out of service. Unless the Base Radio is currently out
of service, Motorola recommends performing this
procedure during off-peak hours. This minimizes or
eliminates disruption of service to system users.
Equipment Setup
To set up the equipment, use the following procedure:
1.
Remove power from the Base Radio by setting the Power Supply rocker
switch (located behind the front panel of the Power Supply) to the OFF (0)
position.
2.
Connect one end of the RS-232 cable to the service computer.
3.
Connect the other end of the RS-232 cable to the STATUS port located on the
front panel of the BRC.
CAUTION
Make sure power to BR is OFF before disconnecting
transmitter RF connectors. Disconnecting transmitter
RF connectors while the BR is keyed may result in RF
burns from arcing.
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4.
Disconnect the existing cable from the connector labeled PA OUT. This
connector is located on the backplane of the Base Radio.
5.
Connect a test cable to the PA OUT connector.
6.
Connect a 10 dB attenuator (100 W or more average power dissipation) on
the other end of the test cable.
7.
From the attenuator, connect a cable to the RF IN/OUT connector on the
R2660 Communications Analyzer.
8.
Remove power from the R2660 and connect the Rubidium Frequency
Standard 10MHZ OUTPUT to a 10 dB attenuator.
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EBTS System Manual - Vol 2
QUAD Base Radio Station Verification Procedures
9.
Connect the other end of the 10 dB attenuator to the 10MHZ REFERENCE
OSCILLATOR IN/OUT connector on the R2660.
NOTE
Refer to the equipment manual provided with the
R2660 for further information regarding mode
conﬁguration of the unit (Motorola Part
No. 68P80386B72).
52
10.
Set the R2660 to the EXT REF mode.
11.
Apply power to the R2660.
12.
Set the R2660 to the SPECTRUM ANALYZER mode with the center
frequency set to the transmit frequency of the Base Radio under test.
13.
Perform the appropriate transmitter veriﬁcation procedure below for the
particular Power Ampliﬁer used in the Base Radio.
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Troubleshooting
QUAD Base Radio Station Verification Procedures
Transmitter Verification Procedure
(QUAD Carrier 800 MHz and 900 MHz Power Amplifiers)
This procedure provides commands and responses to verify proper operation of
the transmit path for 800 MHz and 900 MHz QUAD Channel Base Radios.
1.
Power on the BR using the front switch on the Power Supply Module. Press
the reset button on the Control Module front panel. At the prompt, hit a
Carriage Return on the service computer to enter the test application mode.
Using the user_id -uﬁeld and the password motorola, login to the BR.
> l o g in -u fie ld
pa s swo rd : mo to ro la
fie ld >
2.
Dekey the BR to verify that no RF power is being transmitted. Set the
transmit DSP test mode to “stop.” At the ﬁeld > prompt, type:
field > p owe r -o tx ch 1 -p 0
fie ld > p tm -o tx _ a ll -ms to p
field > d p m -o tx ch 1 -mn o n e
fie ld > d p m -o tx ch 2 -mn o n e
field > d p m -o tx ch 3 -mn o n e
fie ld > d p m -o tx ch 4 -mn o n e
NOTE
The following command keys the transmitter. Make
sure that transmission only occurs on licensed
frequencies or into an RF load.
3.
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Key the BR to 40 watts, following the steps below from the ﬁeld > prompt:
53
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EBTS System Manual - Vol 2
QUAD Base Radio Station Verification Procedures
3.1
800 MHz QUAD: Set the frequency of transmit channel 1 through
4.
fie l d> f re q - o t x ch 1 -f8 6 0
fie l d> f re q - o t x ch 2 -f8 6 0 .0 2 5
fie l d> f re q - o t x ch 3 -f8 6 0 .0 5
fie l d> f req - o t x ch 4 -f8 6 0 .0 7 5
3.2
900 MHz QUAD: Set the frequency of transmit channel 1 through
4.
fie l d> f re q - o t x ch 1 -f9 3 5
fie l d> f re q - o t x ch 2 -f9 3 5 .0 2 5
fie l d> f re q - o t x ch 3 -f9 3 5 .0 5
fie l d> f req - o t x ch 4 -f9 3 5 .0 7 5
3.3
Enable the channels by setting a data pattern to “iden”
fiel d> d p m - o t xch 1 -mid e n
fie l d> d p m - o t xch 2 -mid e n
fie l d> d p m - o t xch 3 -mid e n
fiel d> d p m - o t xch 4 -mid e n
NOTE
After the following command is entered, power will
be transmitted at the output of the Power Ampliﬁer.
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Troubleshooting
QUAD Base Radio Station Verification Procedures
3.4
Set the transmit power to 40 watts and key the BR.
field > p tm -o tx _ a ll -md n lk _ fr a me d
fie ld > p owe r -o tx ch 1 -p 4 0
4.
After keying the Base Radio, verify the forward and reﬂected powers of the
station along with the station VSWR with the parameters listed in Table 2.
Table 20
QUAD BR Transmitter Parameters
Parameter
Value or Range
Forward Power
Greater than 36 Watts
Reﬂected Power
Less than 2.0 Watts
VSWR
Less than 1.6:1
NOTE
The reported value for forward power are not
indicative of Base Radio performance. This value is
reported from the internal wattmeter. These limits are
only for veriﬁcation of operation and are not
representative of true operational power of the
transmitter.
4.1
At the ﬁeld > prompt, type:
field > p owe r -o tx _ a ll
This command returns all active alarms of the Base Radio.
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QUAD Base Radio Station Verification Procedures
4.2
At the ﬁeld > prompt, type:
fie l d> ala rm s -o fa u lt_ h n d lr
If the a la r ms command displays alarms, refer to the System
Troubleshooting section of this manual for corrective actions.
5.
View the spectrum of the transmitted signal on the R2660 Communications
Analyzer in the Spectrum Analyzer mode. Figure 5 and Figure 6 shows a
sample of the 800MHz and 900MHz spectrum, respectively.
Figure 5
56
800 MHz Quad Carrier Spectrum
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Troubleshooting
QUAD Base Radio Station Verification Procedures
Figure 6
6.
900 MHz Quad Carrier Spectrum
Dekey the BR to verify no RF power is being transmitted. Set the transmit
DSP test mode to “stop.” At the ﬁeld> prompt, type:
field > p owe r -o tx ch 1 -p 0
fie ld > p tm -o tx _ a ll -ms to p
field > d p m -o tx ch 1 -mn o n e
fie ld > d p m -o tx ch 2 -mn o n e
field > d p m -o tx ch 3 -mn o n e
fie ld > d p m -o tx ch 4 -mn o n e
Equipment Disconnection
Use the following steps to disconnect equipment after verifying the transmitter.
6 8 P 8 0 8 0 1H45- 1
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1.
Remove power from the Base Radio by setting the Power Supply rocker
switch (located behind the front panel of the Power Supply) to the OFF (0)
position.
2.
Disconnect the RS-232 cable from the connector on the service computer.
3.
Disconnect the other end of the RS-232 cable from the RS-232 connector
located on the front panel of the BRC.
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EBTS System Manual - Vol 2
QUAD Base Radio Station Verification Procedures
CAUTION
Make sure power to BR is OFF before disconnecting
transmitter RF connectors. Disconnecting transmitter
RF connectors while the BR is keyed may result in RF
burns from arcing.
58
4.
Disconnect the test cable from the PA OUT connector located on the
backplane of the Base Radio.
5.
Connect the standard equipment cable to the PA OUT connector.
6.
Disconnect the 10 dB attenuator from the other end of the test cable.
7.
From the attenuator, disconnect the cable to the R2660
Communications Analyzer.
8.
Restore power to the Base Radio by setting the Power Supply rocker switch
to the ON (1) position.
9.
If necessary, continue with the Receiver Veriﬁcation Procedure.
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Troubleshooting
QUAD Channel BR Backplane
QUAD Channel BR Backplane
Backplane Connectors
The Base Radio backplane includes all external equipment connections. Table 21
lists and describes the backplane connectors.
Table 21
QUAD BR Backplane Connectors
Connector
Module
Description
Connector Type
P1
EXBRC
Signal
168 Pin AMP Z-Pack
Futurebus
P2
RX1
Signal
72 Pin AMP Z-Pack
Futurebus
P3
RX1
RF
6 coax Harting Harpak
P4
RX2
Signal
72 Pin AMP Z-Pack
Futurebus
P5
RX2
RF
6 coax Harting Harpak
P6
RX3
Signal
72 Pin AMP Z-Pack
Futurebus
P7
RX3
RF
6 coax Harting Harpak
P8
RX4
Signal
72 Pin AMP Z-Pack
Futurebus
P9
RX4
RF
6 coax Harting Harpak
P10
PA
Signal
96 Pin EURO
P11
PS
Signal & Power
78 Pin AMP Teledensity
P12a
PS
-48 Vdc Power In
8 Pin AMP 530521-3
P13
EX
RF(EX from PA)
SMA blindmate
P14
EX
RF(EX to PA)
SMA blindmate
P15
External / EXBRC
Ethernet
BNC blindmate
P16
External / PA
RF (PA from EX)
SMA blindmate
P17
External / PA
RF (PA to EX)
SMA Blindmate
P18
External / PA
TX Output
SMA blindmate
P19
RX Branch 1
RF
SMA
P20
RX Branch 2
RF
SMA
P21
RX Branch 3
RF
SMA
P22b
External
RS232
Dsub-9
P23
External
Alarm
Dsub-25
P24
External
5MHz/1PPS
BNC
a. P12 is a cutout in the backplane with threaded inserts for securing the connector which
mates directly to the power supply.
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QUAD Channel BR Backplane
b. P22 will not be placed on the backplane. However, the backplane shall be designed with
P22 to allow for reuse on future products.
Figure 9 shows the locations of the QUAD Base Radio external connections.
GROUND
RX 3
(YEL)
AC POWER
DC POWER
RX 2
(GRN)
BLACK
RE
RX 1
(RED)
EX FB
ETHERNET
RS 232
5MHZ/1 PPS
ALARM
PA OUT
EX OUT
PA IN
PA FB
This port must be terminated by 50Ω load when configured for
2 Branch Diversity. Also, the rx_fru_config parameter must be set to R12.
Figure 9
EBTS327Q
112501JNM
QUAD Base Radio Backplane Connectors
QUAD BR Backplane Connector Pinouts
Table 22 lists the pin-outs for the Base Radio Controller board’s 168-pin P1
connector.
Table 22
EXBRC P1 Pinout, Signal and Power
Row
84
GND
3.3 Vdc
3.3 Vdc
NC
GND
3.3 Vdc
14.2 Vdc
14.2 Vdc
GND
3.3 Vdc
14.2 Vdc
14.2 Vdc
GND
GND
GND
GND
NC
NC
NC
NC
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Troubleshooting
QUAD Channel BR Backplane
Table 22
EXBRC P1 Pinout, Signal and Power
Row
6 8 P 8 0 8 0 1H45- 1
GND
GND
GND
GND
GND
16.8MHz_RX
16.8MHz_RX_RTN
GND
GND
GND
GND
GND
GND
5 MHz/1 PPS
3.3 Vdc
3.3 Vdc
10
NC
NC
NC
3.3 Vdc
11
TxD
CTS
DTR
BRG
12
RTS
RxD
DSR
CD
13
NC
NC
NC
3.3 Vdc
14
NC
NC
SHUTDOWN_
SLEEP_
15
PA_ENABLE
NC
28.6 Vdc
14.2 Vdc
16
NC
NC
NC
3.3 Vdc
17
EXT_GPI_1_
EXT_GPI_2_
EXT_GPO_1_
EXT_GPO_2_
18
BAT_STAT_
MTR_STAT_
EXT_VFWD
EXT_VREV
19
SPI_M3
SPI_M2
SPI_M1
SPI_M0
20
SPI_ENABLE
SPI_MOSI
SPI_MISO
SPI_CLK
21
SPI_A2
SPI_A1
SPI_A0
WP_
22
NC
RxRESET_
NC
NC
23
NC
Clock_SyncB_
NC
NC
24
GND
GND
3.3 Vdc
3.3 Vdc
25
SSI_Data_D
SSI_CLK_D
SSI_FS_D
3.3 Vdc
26
SSI_Data_D_RTN
SSI_CLK_D_RTN
NC
3.3 Vdc
27
GND
GND
3.3 Vdc
3.3 Vdc
28
DSPIb_MOSI
DSPIb_CLK
DSPIb_EN_1
DSPIb_EN_2
29
DSPIb_MOSI_RTN
DSPIb_CLK_RTN
DSPIb_EN_3
NC
30
GND
GND
3.3 Vdc
3.3 Vdc
31
GND
SSI_Data_C
SSI_CLK_C
SSI_FS_C
32
GND
SSI_Data_C_RTN
SSI_CLK_C_RTN
NC
33
NC
Clock_SyncA_
NC
NC
34
GND
GND
3.3 Vdc
3.3 Vdc
35
SSI_Data_B
SSI_CLK_B
SSI_FS_B
3.3 Vdc
36
SSI_Data_B_RTN
SSI_CLK_B_RTN
NC
3.3 Vdc
37
GND
GND
3.3 Vdc
3.3 Vdc
38
DSPIa_MOSI
DSPIa_CLK
DSPIa_EN_1
DSPIa_EN_2
39
DSPIa_MOSI_RTN
DSPIa_CLK_RTN
DSPIa_EN_3
NC
40
GND
GND
3.3 Vdc
3.3 Vdc
41
GND
SSI_Data_A
SSI_CLK_A
SSI_FS_A
42
GND
SSI_Data_A_RTN
SSI_CLK_A_RTN
NC
1/20/2002
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QUAD Channel BR Backplane
Table 23
EXBRC P13 Pinout, Exciter from PA
Coaxial
Description
Center
PA IN
Outer
GND
Table 24
EXBRC P14 Pinout, Exciter to PA
Coaxial
Description
Center
PA Feedback
Outer
GND
Table 25
EXBRC P15 Pinout, Ethernet
Coaxial
86
Description
Center
Ethernet
Outer
GND
68P80801H45-1
1/20/2002
EBTS System Manual - Vol 2
Troubleshooting
QUAD Channel BR Backplane
RX1 Connections
Table 26
RX1 P2 Pinout, Signal and Power
Row
Table 27
NC
GND
GND
Clock_SyncA_
GND
DSPIa_MOSI_RTN
DSPIa_CLK_RTN
DSPIa_EN_1
GND
DSPIa_MOSI
DSPIa_CLK
DSPIa_EN_2
GND
GND
GND
GND
14.2
SSI_CLK_A_RTN
SSI_FS_B
SSI_CLK_B_RTN
14.2
SSI_CLK_A
SSI_FS_A
SSI_CLK_B
14.2
GND
GND
GND
14.2
SSI_Data_A_RTN
GND
SSI_Data_B
GND
SSI_Data_A
GND
SSI_Data_B_RTN
10
GND
NC
NC
NC
11
3.3
RxRESET_
GND (ID0)
GND (ID1)
12
3.3
WP_
SPI_A0
SPI_A1
13
3.3
SPI_MISO
SPI_CLK
SPI_A2
14
GND
SPI_M0
SPI_ENABLE
SPI_MOSI
15
GND
SPI_M1
SPI_M2
SPI_M3
16
GND
GND
GND
NC
17
GND
16.8MHz_RX
GND
NC (WB switch)
18
GND
16.8MHz_RX_RTN
GND
NC (MC switch)
RX1 P3 Pinout, RF Input and Output Connection
6 8 P 8 0 8 0 1H45- 1
Row
GND
GND
GND
RX3_EXP3
RX1_EXP3
GND
GND
GND
GND
GND
GND
RX2_EXP2
RX1_EXP2
GND
GND
GND
GND
GND
GND
RX Branch 1
RX1_EXP1
GND
GND
GND
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EBTS System Manual - Vol 2
QUAD Channel BR Backplane
RX2 Connections
Table 28
RX2 P4 Pinout, Signal and Power
Row
Table 29
88
NC
GND
GND
Clock_SyncA_
GND
DSPIa_MOSI_RTN
DSPIa_CLK_RTN
DSPIa_EN_3
GND
DSPIa_MOSI
DSPIa_CLK
DSPIa_EN_2
GND
GND
GND
GND
14.2
SSI_CLK_B_RTN
NC
NC
14.2
SSI_CLK_B
SSI_FS_B
NC
14.2
GND
GND
GND
14.2
SSI_Data_B_RTN
GND
NC
GND
SSI_Data_B
GND
NC
10
GND
NC
NC
NC
11
3.3
RxRESET_
NC (ID0)
GND (ID1)
12
3.3
WP_
SPI_A0
SPI_A1
13
3.3
SPI_MISO
SPI_CLK
SPI_A2
14
GND
SPI_M0
SPI_ENABLE
SPI_MOSI
15
GND
SPI_M2
SPI_M1
SPI_M3
16
GND
GND
GND
NC
17
GND
16.8MHz_RX
GND
NC (WB switch)
18
GND
16.8MHz_RX_RTN
GND
NC (MC switch)
RX2 P5 Pinout, RF Input and Output Connection
Row
GND
GND
GND
RX3_EXP2
RX2_EXP3
GND
GND
GND
GND
GND
GND
RX1_EXP1
RX2_EXP2
GND
GND
GND
GND
GND
GND
RX Branch 2
RX2_EXP1
GND
GND
GND
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EBTS System Manual - Vol 2
Troubleshooting
QUAD Channel BR Backplane
RX3 Connections
Table 30
RX3 P6 Pinout, Signal and Power
Row
Table 31
NC
GND
GND
Clock_SyncB_
GND
DSPIb_MOSI_RTN
DSPIb_CLK_RTN
DSPIb_EN_1
GND
DSPIb_MOSI
DSPIb_CLK
DSPIb_EN_2
GND
GND
GND
GND
14.2
SSI_CLK_C_RTN
SSI_FS_D
SSI_CLK_D_RTN
14.2
SSI_CLK_C
SSI_FS_C
SSI_CLK_D
14.2
GND
GND
GND
14.2
SSI_Data_C_RTN
GND
SSI_Data_D
GND
SSI_Data_C
GND
SSI_Data_D_RTN
10
GND
NC
NC
NC
11
3.3
RxRESET_
GND (ID0)
NC (ID1)
12
3.3
WP_
SPI_A0
SPI_A1
13
3.3
SPI_MISO
SPI_CLK
SPI_A2
14
GND
SPI_M2
SPI_ENABLE
SPI_MOSI
15
GND
SPI_M1
SPI_M0
SPI_M3
16
GND
GND
GND
NC
17
GND
16.8MHz_RX
GND
GND (WB switch)
18
GND
16.8MHz_RX_RTN
GND
NC (MC switch)
RX3 P7 Pinout, RF Input and Output Connection
6 8 P 8 0 8 0 1H45- 1
Row
GND
GND
GND
RX1_EXP2
RX3_EXP3
GND
GND
GND
GND
GND
GND
RX2_EXP1
RX3_EXP2
GND
GND
GND
GND
GND
GND
RX Branch 3
RX3_EXP1
GND
GND
GND
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QUAD Channel BR Backplane
RX4 Connections
Table 32
RX4 P8 Pinout, Signal and Power
Row
Table 33
NC
GND
GND
Clock_SyncB_
GND
DSPIb_MOSI_RTN
DSPIb_CLK_RTN
DSPIb_EN_3
GND
DSPIb_MOSI
DSPIb_CLK
DSPIb_EN_2
GND
GND
GND
GND
14.2
SSI_CLK_D_RTN
NC
NC
14.2
SSI_CLK_D
SSI_FS_D
NC
14.2
GND
GND
GND
14.2
SSI_Data_D_RTN
GND
NC
GND
SSI_Data_D
GND
NC
10
GND
NC
NC
NC
11
3.3
RxRESET_
NC (ID0)
NC (ID1)
12
3.3
WP_
SPI_A0
SPI_A1
13
3.3
SPI_MISO
SPI_CLK
SPI_A2
14
GND
SPI_M0
SPI_ENABLE
SPI_MOSI
15
GND
SPI_M3
SPI_M2
SPI_M1
16
GND
GND
GND
NC
17
GND
16.8MHz_RX
GND
NC (WB switch)
18
GND
16.8MHz_RX_RTN
GND
GND (MC switch)
RX4 P9 Pinout, RF Input and Output Connection
Row
90
GND
GND
GND
RX1_EXP3
NC
GND
GND
GND
GND
GND
GND
RX2_EXP3
NC
GND
GND
GND
GND
GND
GND
RX3_EXP1
NC
GND
GND
GND
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1/20/2002
EBTS System Manual - Vol 2
Troubleshooting
QUAD Channel BR Backplane
PA Connections
Table 34
QUAD BR PA P10 Pinout, Signal and Power
Row
6 8 P 8 0 8 0 1H45- 1
1/20/2002
SPI_ENABLE
GND
28.6 Vdc
GND
GND
28.6 Vdc
SPI_A0
GND
28.6 Vdc
GND
GND
28.6 Vdc
SPI_A1
GND
28.6 Vdc
GND
GND
28.6 Vdc
SPI_A2
GND
28.6 Vdc
GND
GND
28.6 Vdc
SPI_M0
GND
28.6 Vdc
10
GND
GND
28.6 Vdc
11
SPI_M1
GND
28.6 Vdc
12
GND
GND
28.6 Vdc
13
SPI_M2
GND
28.6 Vdc
14
GND
GND
28.6 Vdc
15
SPI_M3
GND
28.6 Vdc
16
GND
GND
28.6 Vdc
17
SPI_MISO
GND
28.6 Vdc
18
GND
GND
28.6 Vdc
19
SPI_MOSI
GND
28.6 Vdc
20
GND
GND
28.6 Vdc
21
SPI_CLK
GND
28.6 Vdc
22
GND
3.3 Vdc
28.6 Vdc
23
WP*
3.3 Vdc
28.6 Vdc
24
GND
GND
28.6 Vdc
25
PA_ENABLE
GND
28.6 Vdc
26
GND
14.2 Vdc
28.6 Vdc
27
GND
14.2 Vdc
28.6 Vdc
28
GND
14.2 Vdc
28.6 Vdc
29
GND
14.2 Vdc
28.6 Vdc
30
GND
28.6 Vdc
28.6 Vdc
31
GND
28.6 Vdc
28.6 Vdc
32
GND
28.6 Vdc
28.6 Vdc
91
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EBTS System Manual - Vol 2
QUAD Channel BR Backplane
Table 35
EXBRC P16 Pinout, PA from Exciter
Coaxial
Description
Center
PA IN
Outer
GND
EXBRC P17 Pinout, PA to Exciter
Table 36
Coaxial
Description
Center
PA Feedback
Outer
GND
EXBRC P18 Pinout, PA RF OUT
Table 37
Coaxial
Description
Center
PA RF OUT
Outer
GND
External Connections
Table 38
QUAD BR Backplane Coaxial and DC
Signal
92
P12
-48 Vdc Power
P13
EX Out
P14
Feedback
P15
Ethernet
P16
PA In
P17
PA Feedback
P18
PA RF OUT
P19
RX Branch 1
P20
RX Branch 2
P21
RX Branch 3
P24
5 MHz/1 PPS
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1/20/2002
EBTS System Manual - Vol 2
Troubleshooting
QUAD Channel BR Backplane
Table 39
QUAD BR Backplane Alarm 25 Pin Dsub (P23)
Alarm Signal
EXT_GPI_1_
EXT_GPO_1_
GND
EXT_GPI_2_
EXT_GPO_2_
10
GND
11
12
13
14
15
16
GND
17
BAT_STAT_
18
MTR_STAT_
19
EXT_VFWD
20
EXT_VREV
21
GND
22
GND
23
24
25
Table 40
GND
QUAD BR Backplane RS-232 9 Pin Dsub (P22)
RS-232 Signal
6 8 P 8 0 8 0 1H45- 1
1/20/2002
CD
RxD
TxD
DTR
GND
DSR
RTS
CTS
BRG*
93
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EBTS System Manual - Vol 2
QUAD Channel BR Backplane
PS Connections
Table 41
QUAD PS Power and Signal (P11)
Pin
Description
Pin
Description
Pin
Description
GND (Plug In)
31
3.3 Vdc
61
SPI_MOSI
GND
32
GND
62
SPI_CLK
GND
33
GND
63
N.C.
28.6 Vdc
34
GND
64
N.C.
28.6 Vdc
35
GND
65
N.C.
28.6 Vdc
36
GND
66
N.C.
28.6 Vdc
37
GND
67
SPI_A0
28.6 Vdc
38
GND
68
SPI_A1
28.6 Vdc
39
GND
69
SPI_M2
10
28.6 Vdc
40
GND
70
SPI_M3
11
28.6 Vdc
41
GND
71
SPI_M1
12
28.6 Vdc
42
GND
72
SLEEP_
13
28.6 Vdc
43
GND
73
SPI_M0
14
28.6 Vdc
44
GND
74
WP_
15
28.6 Vdc
45
GND
75
SPI_A2
16
14.2 Vdc
46
GND
76
GND
17
14.2 Vdc
47
GND
77
GND
18
14.2 Vdc
48
GND
78
GND
19
14.2 Vdc
49
GND
20
14.2 Vdc
50
GND
21
14.2 Vdc
51
GND
14.2 Vdc
52
GND
23
14.2 Vdc
53
GND
24
3.3 Vdc
54
NC (FAN CONTROL)
25
3.3 Vdc
55
N.C.
26
3.3 Vdc
56
N.C.
27
3.3 Vdc
57
SHUTDOWN_
28
3.3 Vdc
58
NC (Power sharing)
29
3.3 Vdc
59
SPI_ENABLE
30
3.3 Vdc
60
SPI_MISO
94
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EBTS System Manual - Vol 2
Troubleshooting
QUAD Channel BR Backplane
Table 42
QUAD BR 48 Vdc Battery Power (P12)
Pin
6 8 P 8 0 8 0 1H45- 1
Description
Description
+ BATTERY
+ BATTERY
+ BATTERY
- BATTERY (RTN)
- BATTERY (RTN)
- BATTERY (RTN)
- BATTERY (RTN)
1/20/2002
+ BATTERY
Pin
95
Troubleshooting
EBTS System Manual - Vol 2
QUAD Base Radio Signals
QUAD Base Radio Signals
Table 43 lists and describes signals for the QUAD Base Radio.
Table 43
Signal Name
96
QUAD Base Radio Signal Descriptions
Description
Special
28.6 Vdc
28.6 Vdc output from PS
14.2 Vdc
14.2 Vdc output from PS
3.3 Vdc
3.3 Vdc output from PS
GND
Station Ground
RX Branch 1
RX Branch 1 from RFDS
50 Ω
RX Branch 2
RX Branch 2 from RFDS
50 Ω
RX Branch 3
RX Branch 3 from RFDS
50 Ω
RX1_EXP1
RX1 (branch 1) expansion output 1
50 Ω
RX1_EXP2
RX1 (branch 1) expansion output 2
50 Ω
RX1_EXP3
RX1 (branch 1) expansion output 3
50 Ω
RX2_EXP1
RX2 (branch 2) expansion output 1
50 Ω
RX2_EXP2
RX2 (branch 2) expansion output 2
50 Ω
RX2_EXP3
RX2 (branch 2) expansion output 3
50 Ω
RX3_EXP1
RX3 (branch 3) expansion output 1
50 Ω
RX3_EXP2
RX3 (branch 3) expansion output 2
50 Ω
RX3_EXP3
RX3 (branch 3) expansion output 3
50 Ω
5 MHz/1 PPS
5 MHz/1 PPS reference to the BRC
SPI_ENABLE
Host Centric SPI Enable
SPI_MISO
Host Centric SPI MISO
SPI_MOSI
Host Centric SPI MOSI
SPI_CLK
Host Centric SPI Clock
SPI_A0
Host SPI Device Address Line A0
SPI_A1
Host SPI Device Address Line A1
SPI_A2
Host SPI Device AddressLine A2
SPI_M0
Host SPI Module Address Line M0
SPI_M1
Host SPI Module Address Line M1
SPI_M2
Host SPI Module Address Line M2
SPI_M3
Host SPI Module Address Line M3
WP_
Write Protect (active low)
PA_ENABLE
Turns off PA bias with active low
SLEEP_
Sleep signal from PS
SHUTDOWN_
PS reset line from BRC
CD
RS232 Carrier Detect
RxD
RS232 RX Data
68P80801H45-1
1/20/2002
EBTS System Manual - Vol 2
Troubleshooting
QUAD Base Radio Signals
Table 43
6 8 P 8 0 8 0 1H45- 1
QUAD Base Radio Signal Descriptions (Continued)
Signal Name
Description
TxD
RS232 TX Data
DTR
RS232 Data Terminal Ready
DSR
RS232 Data Set Ready
RTS
RS232 Request to Send
Special
CTS
RS232 Clear to Send
BRG
Baud Rate Generator
RxRESET_
Reset Signal to RX modules
16.8MHz_RX
16.8 MHz reference to RX
16.8MHz_RX_RTN
16.8 MHz reference to RX return
differential
Clock_SyncA_
Clock Sync signal to RX1 & RX2
For Abacus III
Clock_SyncB_
Clock Sync signal to RX3 & RX4
For Abacus III
differential
SSI_Data_A
RX Data from RX module 1
differential
SSI_Data_A_RTN
RX Data from RX module 1return
differential
SSI_Data_B
RX Data from RX module 2
differential
SSI_Data_B_RTN
RX Data from RX module 2 return
differential
SSI_Data_C
RX Data from RX module 3
differential
SSI_Data_C_RTN
RX Data from RX module 3 return
differential
SSI_Data_D
RX Data from RX module 4
differential
SSI_Data_D_RTN
RX Data from RX module 4 return
differential
SSI_CLK_A
RX Clock from RX module 1
differential
SSI_CLK_A_RTN
RX Clock from RX module 1 return
differential
SSI_CLK_B
RX Clock from RX module 2
differential
SSI_CLK_B_RTN
RX Clock from RX module 2 return
differential
SSI_CLK_C
RX Clock from RX module 3
differential
SSI_CLK_C_RTN
RX Clock from RX module 3 return
differential
SSI_CLK_D
RX Clock from RX module 4
differential
SSI_CLK_D_RTN
RX Clock from RX module 4 return
differential
SSI_FS_A
RX Frame Sync from RX module 1
SSI_FS_B
RX Frame Sync from RX module 2
SSI_FS_C
RX Frame Sync from RX module 3
SSI_FS_D
RX Frame Sync from RX module 4
DSPIa_En_1
DSPa SPI RX1 Abacus enable
DSPIa_En_3
DSPa SPI RX2 Abacus enable
DSPIa_En_2
DSPa SPI RX1 & RX2 SGC enable
DSPIb_En_1
DSPb SPI RX3 Abacus enable
DSPIb_En_3
DSPb SPI RX4 Abacus enable
DSPIb_En_2
DSPb SPI RX3 & RX4 SGC enable
DSPIa_MOSI
DSPa SPI MOSI
differential
DSPIa_MOSI_RTN
DSPa SPI MOSI return
differential
DSPIb_MOSI
DSPb SPI MOSI
differential
1/20/2002
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EBTS System Manual - Vol 2
QUAD Base Radio Signals
Table 43
98
QUAD Base Radio Signal Descriptions (Continued)
Signal Name
Description
Special
DSPIb_MOSI_RTN
DSPb SPI MOSI return
differential
DSPIa_CLK
DSPa SPI Clock
differential
DSPIa_CLK_RTN
DSPa SPI CLK return
differential
DSPIb_CLK
DSPb SPI Clock
differential
DSPIb_CLK_RTN
DSPb SPI CLK return
differential
MTR_STAT_
External Wattmeter Status
BAT_STAT_
Battery Status
EXT_VFWD
External Wattmeter Forward meter
EXT_VREV
External Wattmeter Reflected meter
EXT_GPO_1_
General purpose output 1
EXT_GPO_2_
General purpose output 2
EXT_GPI_1_
General purpose input 1
EXT_GPI_2_
General purpose input 2
NC
Not connected
reserved
68P80801H45-1
1/20/2002
Acronyms
Acronyms
A/D
Analog-to-Digital
CC
Control Cabinet
Amperes
CD
Carrier Detect
AC
Alternating Current
cd
change directory
ACT
active
CLK
Clock
ADA
Americans with Disabilities Act
CLT
Controller
AGC
Automatic Gain Control
cm
centimeter
AIC
Ampere Interrupting Capacity
CMOS
AIS
Alarm Indication Signal (Keep Alive)
Complementary Metal Oxide
Semiconductor
ANSI
American National Standards Institute
CPU
Central Processing Unit
ASCII
American National Standard Code for
Information Interchange
CSMA/CD
Carrier Sense Multiple Access with
Collision Detect
ASIC
Application Speciﬁc Integrated Circuit
CTI
Coaxial Transceiver Interface
Aux
auxiliary
CTL
Control (Base Radio Control)
avg
average
CTS
Clear-to-Send
AWG
American Wire Gauge
D/A
Digital-to-Analog
bd
baud
DAP
Dispatch Application Processor
BDM
Background Debug Mode
DB-15
15-pin D-subminiature
BER
Bit Error Rate
DB-9
9-pin D-subminiature
BERT
Bit Error Rate Test
dB
Decibel
BMR
Base Monitor Radio
dBc
Decibels relative to carrier
BNC
Baby “N” Connector
dBm
Decibels relative to 1mW
BPV
Bipolar Variation
DC
Direct Current
BR
Base Radio
DCE
Data Circuit-Terminating Equipment
BRC
Base Radio Controller
DCSPLY
DC Supply
BSC
Base Site Controller
DDM
Dual Device Module
BTU
British Thermal Unit
deg
degree
BW
bandwidth
DIN
Deutsche Industrie-Norm
C/N + I
Carrier Power to Noise + Interference
Ratio
DIP
Dual In-line Package
div
division
Global Telecommunications Solutions Sector
6 8 P 8 0 8 0 1H45- 1
1/20/2002
1301 E. Algonquin Road, Schaumburg, IL 60196
Acronyms
-2
EBTS System Manual - Vol 2
DMA
Direct Memory Access
HSMR
High Elevation Specialized Mobile Radio
DOP
Dilution of Precision
HSO
High Stability Oscillator
DRAM
Dynamic Random Access Memory
HVAC
Heating/Ventilation/Air Conditioning
DSP
Digital Signal Processor
Hz
Hertz
DTE
Data Terminal Equipment
I/O
Input/Output
DTTA
Duplexed Tower-Top Ampliﬁer
IC
Integrated Circuit
DVM
Digital Volt Meter
iDEN
integrated Dispatch Enhanced Network
E1
European telephone multiplexing
standard
IEEE
Institute of Electrical and Electronic
Engineers
EAS
Environmental Alarm System
IF
intermediate frequency)
E-NET
Ethernet
iMU
iDen Monitor Unit
EBTS
Enhanced Base Transceiver System
in
inches
EGB
Exterior Ground Bar
in
injection
EIA
Electronics Industry Association
iSC
integrated Site Controller
EMI
Electro-Magnetic Interference
ISA
Industry Standard Architecture
EPROM
Erasable Programmable
Memory
kg
kilogram
EEPROM
Electronically Erasable Programmable
Read Only Memory
kHz
kiloHertz
LAN
Local Area Network
Read
Only
ERFC
Expansion RF Cabinet
LANIIC
Local Area Network Interface IC
ESI
Ethernet Serial Interface
LAPD
Link Access Procedure D-Channel
ESMR
Enhanced Special Mobile Radio
lbs
pounds
EX
Exciter
LDM
Linear Driver Module
FB
feedback
LED
Light Emitting Diode
FCC
Federal Communications Commission
LFM
Linear Final Module
FIFO
First-In, First-Out
LIU
Line Interface Unit
FNE
Fixed Network Equipment
LLC
Link Layer Controller
freq
frequency
LNA
Low Noise Ampliﬁer
FRU
Field Replaceable Unit
LO
Local Oscillator
Gen 3 SC
Generation 3 Site Controller
LOS
Loss of Signal
GFI
Ground Fault Interrupter
MAU
Media Access Unit
GND
ground
max
maximum
GPS
Global Positioning System
MC
Multicoupler
GPSR
Global Positioning System Receiver
MGB
Master Ground Bar
HDLC
High-level Data Link
MGN
Multi-Grounded Neutral
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EBTS System Manual - Vol 2
Acronyms
MHz
MegaHertz
ppm
parts per million
min
minimum
PPS
Pulse Per Second
min
minute
PS
Power Supply
MISO
Master In/Slave Out
PSTN
Public Switched Telephone Network
mm
millimeter
PVC
Polyvinyl Chloride
MMI
Man-Machine-Interface
pwr
power
MOSI
Master Out/Slave In
QAM
Quadrature Amplitude Modulation
MPM
Multiple Peripheral Module
QRSS
Quasi Random Signal Sequence
MPS
Metro Packet Switch
Qty
Quantity
MS
Mobile Station
R1
Receiver #1
ms
millisecond
R2
Receiver #2
MSC
Mobile Switching Center
R3
Receiver #3
MSO
Mobile Switching Ofﬁce
RAM
Random Access Memory
MST
Modular Screw Terminals
RCVR
Receiver
mV
milliVolt
Ref
Reference
mW
milliWatt
RF
Radio Frequency
N.C.
Normally Closed
RFC
RF Cabinet
N.O.
Normally Open
RFDS
RF Distribution System
NEC
National Electric Code
RFS
RF System
NIC
Network Interface Card
ROM
Read Only Memory
no.
number
RPM
Revolutions Per Minute
NTM
NIC Transition Module
RSSI
Received Signal Strength Indication
NTWK
Network
RTN
Return
OMC
Operations and Maintenance Center
RU
Rack Unit
OSHA
Occupational Safety and Health Act
Rx
Receive
PA
Power Ampliﬁer
RXDSP
Receive Digital Signal Processor
PAL
Programmable Array Logic
SCI
Serial Communications Interface
PC
Personal Computer
SCON
VME System Controller
PCCH
Primary Control Channel
SCRF
PDOP
Position Dilution of Precision
Stand-alone Control and RF Cabinet
(conﬁguration)
pF
picoFarad
SCSI
Small Computer System Interface
PLL
Phase Locked Loop
sec
second
P/N
Part Number
SGC
Software Gain Control
P/O
Part Of
SINAD
Signal Plus Noise Plus Distortion to Noise
Plus Distortion Radio
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-3
Acronyms
-4
EBTS System Manual - Vol 2
SMART
Systems Management Analysis, Research
and Test
SPI
Serial Peripheral Interface
SQE
Signal Quality Estimate
SRAM
Static Random Access Memory
SRC
Subrate Controller
SRI
Site Reference Industry standard
SRIB
SMART Radio Interface Box
SRRC
Single Rack, Redundant Controller
(conﬁguration)
SRSC
Single Rack, Single Controller
(conﬁguration)
SS
Surge Suppressor
SSC
System Status Control
SSI
Synchronous Serial Interface
ST
Status
STAT
Status
Std
Standard
S/W
Software
T1
North american telephone mutiplexing
standard
TB
Terminal Board
TDM
Time Division Multiplex
telco
telephone company
SCON
VME System Controller
TISIC
TDMA Infrastructure Support IC
TSI
Time Slot Interface
TSI
Time Slot Interchange
TTA
Tower-Top Ampliﬁer
TTL
Transistor - Transistor Logic
Tx
Transmit
TXD
Transmit Data
TXDSP
Transmit Digital Signal Processor
Txlin
Tranlin IC
typ
typical
UL
Underwriters Laboratories
Volts
VAC
Volts - alternating current
VCO
Voltage Controlled Oscillator
VCXO
Voltage Controlled Crystal Oscillator
VDC
Volts - direct current
VFWD
Voltage representation of Forward Power
VME
Versa-Module Eurocard
Vp-p
Voltage peak-to-peak
VREF
Voltage representation of Reﬂected Power
VSWR
Voltage Standing Wave Radio
Watt
WDT
Watchdog Timer
WP
Write Protect
WSAPD
Worldwide Systems and Aftermarket
Products Division
68P80801H45-1
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Parts and Suppliers
This appendix contains recommended part numbers (p/n) and manufacturers for
various hardware, tools, and equipment used during installation of the EBTS.
Also contained in this appendix is other installation related information, such as
determining types of wire lugs, lengths and sizes of various wires and cables,
custom cabling information, and fuses.
All suppliers and model numbers listed are recommended due to their proven
performance record in previous installations. Motorola cannot guarantee the
effectiveness of the installation or performance of the system when using other
supplier parts.
Addresses, phone numbers, fax numbers, and other information is presented for
each of the recommended suppliers, when possible.
NOTE
In some listings, phone number and address are for
corporate or main sales ofﬁce. Other sales locations
may be available. Call number given or go to website
for expanded listings.
NOTE
This information is subject to change without notice.
Surge Arrestors
Two types of surge arrestors should be used in the EBTS site, including:
❐
AC Power and Telco
❐
Antenna Surge Arrestors
Global Telecommunications Solutions Sector
6 8 P 8 0 8 0 1H45- 1 1/20/2002
1301 E. Algonquin Road, Schaumburg, IL 60196
Parts and Suppliers
EBTS System Manual - Vol 2
AC Power and Telco Surge Arrestors
The recommended AC Power and Telco surge arrestors are both manufactured by
Northern Technologies. The model numbers are:
❐
AC Power - LAP-B for 120/240 single-phase
LAP-C for 208 Vac three-phase
❐
Telco -
TCS T1D
Northern Technologies
P.O. Box 610
Liberty Lake, WA 99019
Phone: 800-727-9119
Fax: 509-927-0435
Internet: www.north-tech.com
Antenna Surge Arrestors
The recommended antenna surge arrestors are manufactured by Polyphaser Inc.
The following models are recommended:
❐
Base Monitor Radio antennas - ISS50NXXC2MA
❐
Base Radio antenna (800 MHz tower top ampliﬁer only) - 094-0801T-A
❐
Base Radio antenna (800 MHz cavity combined, transmit only; up to 5
channels) - IS-CT50HN-MA
❐
Base Radio antennas (800 MHz duplexed) - IS-CT50HN-MA
❐
Base Radio antennas (900 MHz duplexed) - 097-0311G-A.2
❐
GPS antennas - 092-082-0T-A
❐
Lightning arrestor bracket kit - Contact your local Motorola Sales representative
to order this kit
❐
Receive Tower Top ampliﬁer - 094-0801T-A
❐
Tower top test port cable - IS-50NX-C2
Polyphaser, Inc.
P.O. Box 9000
Minden, NV 89423-9000
Phone: 800-325-7170
702-782-2511
Fax: 702-782-4476
Internet: www.polyphaser.com
Motorola has set up several kits that contain the necessary arrestors with proper
mounting hardware for the various antenna conﬁgurations. Contact your local
Motorola representative for these OEM kits.
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Parts and Suppliers
RF Attenuators
Several RF attenuators are needed at a site to ensure proper receive adjustments.
The attenuators are used at the LNA sites to offset the excess gain from the Tower
Top ampliﬁers, to balance the receive path, and to attenuate the BMR signal path.
Use the following speciﬁcations when choosing vendors:
❐
Speciﬁed frequency range
❍
800 MHz systems – requires attenuator speciﬁcation to include
806-821 MHz range
❍
900 MHz systems – requires attenuator speciﬁcation to include
896-901 MHz range
❐
1 dB increments
❐
0.5 dB accuracy or better
❐
Female N connector / Male N connector
Alan Industries, Inc.
745 Green Way Drive
P.O. Box 1203
Columbus, IN 47202
Phone: 800-423-5190
812-372-8869
Fax: 812-372-5909
Huber + Suhner, Inc.
19 Thompson Drive
Essex, VT 05451
Phone: 802-878-0555
Fax: 802-878-9880
Internet: www.hubersuhnerinc.com
JFW Industries, Inc.
5134 Commerce Square Drive
Indianapolis, IN 46237
Phone: 317-887-1340
Fax: 317-881-6790
email: JFW atten@aol.com
Pasternack Enterprises
P.O. Box 16759
Irvine, CA 92713
Phone: 714-261-1920
Fax: 714-261-7451
RF attenuators are also needed for test equipment. The attenuators must be used
between frequency reference equipment, service monitors, and the Motorola
EBTS equipment. The following attenuators should be used at the site
during optimization:
❐
6 8 P 8 0 8 0 1H45- 1
1/20/2002
Female BNC connector / Male BNC connector, 10 dB attenuator (1 W)
between the Rubidium Standard and the R2660 Communications Analyzer.
Refer to the System Testing section.
Parts and Suppliers
EBTS System Manual - Vol 2
❐
Female BNC connector / Male BNC connector, 30 dB attenuator (1 W)
between the Rubidium Standard and the R2660. Refer to the System Testing,
section.
Emergency Generator
Several different sizes of generators are available. Determine the loading
requirements of the site prior to ordering a generator. A recommended
manufacturer of the emergency backup generator power system is:
Generac Corporation
P.O. Box 8
Waukesha, WI 53187
Phone: 414-544-4811
Fax: 414-544-0770
Portable Generator Connection
The recommended portable generator connection is the AJA200-34200RS,
manufactured by Appleton Electric. Figure 1 is a view of a connector located on
the building. An adapter may be required if local electrical standards conﬂict with
the wiring conﬁguration.
POLARIZATION
RIB
GROUND
HOT
NEUTRAL
HOT
EBTS078
061295JNM
Figure 1
Portable Generator Connector
An alternate supplier of the portable generator connection is the ARKTITE Heavy
Duty Receptacle Model 80, Style 2, 200 Amps, manufactured by Crouse-Hinds.
Cooper Industries
Crouse-Hinds, Inc.
P.O. Box 4999
Syracuse, NY 13221
Phone: 315-477-7000
Fax: 315-477-5717
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Parts and Suppliers
GPS Evaluation Kit
The GPS evaluation kit (part number VPEVL0002) is available from Motorola
Position and Navigation System Business.
Motorola Position and Navigation System Business
4000 Commercial Avenue
Northbrook, IL 60062
Phone: 847-714-7329
Fax: 847-714-7325
GPS Antenna Amplifier
There are two recommended manufacturers of the GPS antenna ampliﬁers. The
model numbers are:
❐
LA20RPDC-N (made by WR, Inc.) (Type 1)
❐
GA-12F-N (made by CTS Co.) (Type 2)
WR, Inc.
710A W. 4th Street
Pueblo, CO 81003
Phone: 800-463-3063
719-595-9880
Fax: 719-595-9890
Internet: www.fleetpc.com
email: gpsman@wr-inc.com
Carl Tinch Sales (CTS) Co.
811 S. Central Expressway #518
Richardson, TX 75080
Phone: 972-231-1322
Fax: 972-231-3403
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Parts and Suppliers
EBTS System Manual - Vol 2
Specifications
Type 1
Type 2
Dimensions
3.293” x 2” x 1”
1” Dia. x Approx. 6”
Connectors
Type N female, both ends
Type N female, both ends
Gain
23 dB gain typical
20 dB min.
12 dB ± 2 dB
Noise Figure
2.6 dB typical
4.0 dB
VSWR
< 2.2:1
<2:1
Frequency Range
1575.42 ± 50 MHz
1575.42 ± 10 MHz
Filtering
Yes
Yes
Maximum Input
Power
+ 13 dBm
0 dBm
Voltage
4.5 - 15 VDC
4.5 - 15 VDC
Current @ 5 V
< 15 mA typical
< 20 mA
ANTENNA
RF INPUT
+13dBM MAX
VDC THRU
RECEIVER/
ANT VOLTAGE
2"
3 5/16"
1"
TYPE 1
INPUT
OUTPUT
2"
Approximately 6"
TYPE 2
EBTS126
051094JNM
Figure 2
GPS Antenna Amplifiers
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Parts and Suppliers
Site Alarms
Three types of alarms should be used in an EBTS site, including:
❐
Intrusion Alarm
❐
Smoke Alarm
❐
Temperature Alarm
Intrusion Alarm
The recommended intrusion alarm is the Sonitrol 29A.
Sonitrol
211 N. Union Street, Suite 350
Alexandria, VA 22314
Phone: 800-326-7475
Fax: 703-684-6612
Internet: www.sonitrol.com
Smoke Alarm
A recommended smoke alarm is the Sentrol 320CC. This smoke alarm provides a
relay closure for the iMU alarm. These smoke detectors are available from many
electrical wholesale distributors. For the location nearest you, call between 6 a.m.
and 5 p.m. Paciﬁc Standard Time and ask Sales for the location of the nearest EW
(Electric Wholesale) distributor.
Sentrol, Inc.
12345 SW Leveton Drive
Tualatin, OR 97062
Phone: 800-547-2556
503-692-4052
Internet: www.sentrol.com
Temperature Alarm
The recommended temperature alarm is the Grainger #2E206 thermostat. This
alarm is manufactured by Dayton Electronics and distributed by W.W. Grainger:
W.W. Grainger
Locations Nationwide
Phone: 800-323-0620
Fax: 800-722-3291
Internet: www.grainger.com
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Parts and Suppliers
EBTS System Manual - Vol 2
Cabinet Mounting Hardware
The cabinet mounting hardware is site dependent and must be procured locally.
Equipment Cabinets
The mounting hardware used to secure the Equipment Cabinets containing
control and/or RF hardware must be able to provide 1545 pounds of
retention force.
❐
If the cabinets are to be secured to a concrete ﬂoor, 1/2" grade 8 bolts with
anchors are recommended.
❐
If the cabinets are to be secured to another type of ﬂoor, determine the
appropriate mounting hardware.
Power Supply Rack
The Motorola offered Power Supply rack from Power Conversion Products is
available in a standard and an earthquake rack.
Power Conversion Products, Inc.
42 East Street
P.O. Box 380
Crystal Lake, IL 60039-0380
Phone: 800-435-4872 (customer service)
815-459-9100
Fax: 815-526-2524
Internet: www.pcpinc.com
If the earthquake rack is used, it must be bolted to the ﬂoor using the 02100-13
High Performance Anchor Kit, consisting of:
❐
anchors (qty. 4)
❐
load sharing plates (qty. 2)
❐
large square washers (qty. 8)
Hendry Telephone Products
P.O. Box 998
Goleta, CA 93116
Phone: 805-968-5511
Fax: 805-968-9561
Internet: www.hendry.com
email: mailbox@hendry.com
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EBTS System Manual - Vol 2
Parts and Suppliers
Cable Connections
The recommended manufacturer for all wire lugs used during EBTS installation is
Thomas & Betts. All wire lug part numbers listed are for Thomas & Betts.
Thomas & Betts
1555 Lynnfield Road
Memphis, TN 38119
Phone: 800-888-0211 (general information)
800-248-7774 (sales/technical support)
NOTE
Double hole wire lugs are preferred, but single hole
wire lugs can be used where mounting requirements
dictate their use.
Selecting Master Ground Bar Lugs
Table 1 identiﬁes recommended part numbers for wire lugs used to connect
chassis ground wiring to the master ground bar from each cabinet.
Table 1
Recommended Master Ground Bar Lugs
Wire Size
Wire Type
Lug
Color
Description
P/N †
#2 AWG
Stranded
Brown
Single 1/4” diameter hole
54107
#2 AWG
Stranded
Brown
Double 1/4” diameter hole, 5/8” center
54207
#6 AWG
Stranded
Blue
Single 1/4” diameter hole
54105
#6 AWG
Stranded
Blue
Double 1/4” diameter hole, 5/8” center
54205
NOTE: These lugs require the use of the TBM5-S crimping tool.
† All part numbers are Thomas & Betts.
Selecting Cabinet Ground Lugs
Table 2 identiﬁes recommended part numbers for wire lugs used to connect
chassis ground wiring to the grounding point of each cabinet.
Table 2
Recommended Junction Panel Ground Lugs
Wire Size
Wire Type
Lug
Color
Description
P/N †
#2 AWG
Stranded
Brown
Single 1/2” diameter hole
54145
#6 AWG
Stranded
Blue
Single 3/8” diameter hole
E6-12
NOTE: These lugs require the use of the TBM5-S crimping tool.
† All part numbers are Thomas & Betts.
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Parts and Suppliers
EBTS System Manual - Vol 2
Battery System
Connections
The cable loop length refers to the total length of wire within a given circuit. For
example, the combined length of the -48 Vdc (hot) lead and the DC return lead
equals the cable loop length. This would mean that a cabinet that needs 16 feet of
wire between the batteries and Power Supply Rack has a total loop length of
32 feet.
Determining Battery System Wire Size
The wire size for the connection between the batteries and the Power Supply Rack
is determined by the required wire length and the maximum allowable voltage
drop. The voltage drop in the loop must be kept to below 200 mV. The wire
selected should be UL approved and contain a high number of strands
for ﬂexibility.
For a standard conﬁguration, the Power Supply rack is located directly adjacent to
the batteries with a cable loop length of 20 feet or less, which requires the use of a
4/0 wire. Table 3 shows recommended wire sizes for various loop lengths. Larger
wire sizes may be used if the recommended sizes are not available. The
recommended wire sizes are large enough to allow site expansion to a fully
loaded site.
Table 3
Battery System Wire Size
Loop Length
Wire size
20 feet
4/0 (or 250 MCM)
30 feet
350 MCM
45 feet
500 MCM
Selecting Battery System Lugs
Depending on the wire size used and the manufacturer of the Batteries, different
wire lugs are crimped onto the power cable ends. After the wire size has been
determined from Table 3, verify the manufacturer of the Batteries (Dynasty
or Absolyte).
Two different battery systems are offered with the EBTS. The Dynasty system is a
low to medium capacity, ﬁeld expandable system supplied for smaller sites or
sites with minimal backup hour requirements. This system is custom designed to
Motorola speciﬁcations. The Dynasty system is manufactured by
Johnson Controls:
10
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EBTS System Manual - Vol 2
Parts and Suppliers
C & D Technologies
900 East Keefe Avenue
P.O. Box 591
Milwaukee, WI 53212
Phone: 414-967-6500
Fax: 414-961-6506
The Absolute IIP battery system is a heavy duty, high capacity battery system
manufactured by GNB Technologies:
GNB Technologies
829 Parkview Boulevard
Lombard, IL 60148
Phone: 800-872-0471
630-629-5200
Fax: 630-629-2635
Refer to Table 4 to determine the proper wire lug for the connection of that wire to
the Power Supply rack.
Table 4
Power Supply Rack Connection Lugs
Wire Size
Cabinet Lug
Crimp Tool
Lug P/N †
4/0
Double 3/8” hole, 1” center
TBM5-S
54212
250 MCM
Double 3/8” hole, 1” center
TBM8-S
54213
350 MCM
Double 3/8” hole, 1” center
TBM8-S
54215
500 MCM
Double 3/8” hole, 1” center
TBM8-S
54218
† All part numbers are Thomas & Betts.
Refer to Table 5 to determine the proper wire lug for the connection to the
batteries, based on the wire size and battery manufacturer. One column lists the
selection for Dynasty and the other lists the selection for Absolyte IIP.
Table 5
Battery Connection Lugs
Wire
Size
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1/20/2002
Lug
Color
Dynasty
Description
Absolyte IIP
P/N
Description
P/N
4/0
Purple
Double 3/8” hole, 1” center
54212
Single 1/2” hole
54170
250 MCM
Yellow
Double 3/8” hole, 1” center
54215
Single 1/2” hole
54113
350 MCM
Red
Double 3/8” hole, 1” center
54218
Single 1/2” hole
54115
500 MCM
Brown
Double 3/8” hole, 1” center
54220
Single 5/8” hole
54118
11
Parts and Suppliers
EBTS System Manual - Vol 2
Anti-Oxidant Greases
Any one of the following anti-oxidant greases are recommended for connections
to the positive (+) and negative (-) terminals of the batteries:
❐
No-Ox
❐
OxGuard
❐
Penetrox
Intercabinet Cabling
Ethernet and alarm cables connecting to the junction panels of each cabinet are
supplied with the system. These cables may not be suitable for every EBTS site. It
may be necessary to locally manufacture cables for a custom ﬁt. Information is
provided for both supplied cables and custom cables.
Supplied Cables
The cables listed in Table 6 are supplied with the system. The length of these
cables should be sufﬁcient if the considerations outlined in the Pre-Installation
section are followed.
Table 6
Supplied Inter-Cabinet Cabling
Description
Qty.
P/N †
120" long, N-type Male to N-type male cable
0112004B24
108" long, BNC Male-to-BNC Male, RG400
cable
2*
0112004Z29
210" long, 8-pin Modular plug cable
1*
3084225N42
186" long, PCCH redundancy control cable
1**
3082070X01
Phasing Harness
0182004W04
† All part numbers are Motorola.
* Per RF rack.
** Per Control rack.
Making Custom Cables
If custom Ethernet or 5 MHz cables must be locally manufactured, use the part
numbers listed in Table 7 for ordering the required materials.
Table 7
Parts for Ethernet and 5 MHz Cables
Description
Qty.
P/N †
Connector, BNC male
As required
2884967D01
Cable, RG400
As required
3084173E01
† All part numbers are Motorola.
12
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Parts and Suppliers
Table 8 lists the part numbers for custom alarm cables.
Table 8
Parts for Alarm Cables
Description
Qty.
P/N †
Connector, 8-pin modular
As required
2882349V01
Cable, 8-wire
As required
Locally procured
† All part numbers are Motorola.
Table 9 lists the part numbers for custom PCCH cables.
Table 9
Parts for Extending PCCH Redundancy Control Cables
Description
Qty.
P/N †
186” long, PCCH redundancy
control cable
1*
3082070X01
8-pin male Telco to 8-pin male
Telco extension cable, length:
as needed
As required
Locally procured
Modular, 8-pin
female-to-female adaptor
As required
Locally procured
NOTE: Motorola does not guarantee proper operation of system if longer PCCH
cable is used.
† All part numbers are Motorola.
* Per Control rack.
Equipment Cabinet Power Connections
Selecting Power Connection Lugs
Table 10 identiﬁes recommended part numbers for lugs used for power
connections between the Power Supply rack and the Control and RF Cabinets.
The maximum wire size accepted by the Control and RF Cabinets is 2/0. The
Control and RF Cabinets use screw type compression connectors and do not
require lugs.
Table 10
Size
Recommended Power Connection Lugs for Power Supply Rack
Lug Color
Description
P/N †
2/0
Black
Double 3/8” hole, 1” center
54210
#2 AWG
Brown
Double 1/4” hole, 5/8” center
54207
#4 AWG
Gray
Double 1/4” hole, 5/8” center
54206
#6 AWG
Blue
Double 1/4” hole, 5/8” center
54205
† All part numbers are Thomas & Betts.
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13
Parts and Suppliers
EBTS System Manual - Vol 2
Determining Power Connection Wire Size
The cable loop length refers to the total length of wire within a given circuit. For
example, the combined length of the -48 Vdc (hot) lead and the DC return lead
equals the cable loop length. This would mean that a cabinet which needs 16 feet
of wire between the Power Supply rack and equipment cabinets has a total loop
length of 32 feet.
The wire size for the connection between the Power Supply rack and the
equipment cabinets is determined by the required wire length and the maximum
allowable voltage drop. The voltage drop in the loop must be kept to below
500 mV. The wire selected should be UL approved and contain a high number of
strands for ﬂexibility. Table 11 shows the recommended wire sizes for various
loop lengths of the RF Cabinet. Table shows the recommended wire sizes for loop
lengths of the Control Cabinet
For a standard conﬁguration, the equipment cabinets are located adjacent to the
Power Supply rack with a cable loop length less than 35’.
Table 11
Power Connection Wire Size
Loop Length
Wire Size
25 feet or less
#6 AWG
25 to 40 feet
#4 AWG
40 to 60 feet
#2 AWG
60 to 130 feet
1/0 AWG
NOTE: The wire sizes listed are large enough to allow full RF
Cabinet Base Radio capacity.
Table 12
Power Connection Wire Size for Control Cabinet
Loop Length
Wire Size
150 feet or less
#6 AWG
Each equipment cabinet has a total of four Power Supply Rack connections; two
-48 Vdc (hot) and two DC return. Each equipment cabinet contains two separate
power distribution systems. A single hot wire and a single return wire are used
for each side of the bus. Two return leads provide redundancy and allow a
uniform wire size to be used for all 48 Vdc power distribution system
connections.
14
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Parts and Suppliers
Other Recommended Suppliers
The following are the addresses of various suppliers for tools and equipment
used during installation of the EBTS.
Test Equipment
❐
PRFS Rubidium Frequency Standard
Ball Corp. Efratom Inc.
3 Parker
Irvine, CA 92618-1696
Phone: 800-EFRATOM (337-2866)
714-770-5000
Fax: 714-770-2463
Internet: www.efratom.com
❐
Fluke 77 Digital Multimeter
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
Phone: 425-347-6100
Fax: 425-356-5116
Internet: www.fluke.com
email: fluke-info@tc.fluke.com
Service Computer
A PC or Macintosh can be used for EBTS optimization and ﬁeld service. The
following are the minimum requirements:
❐
19,200 bps serial port
❐
one ﬂoppy drive
❐
communication software, such as Smartcomm II or Procomm Plus
The Test Mobile Application is only available for the Macintosh platform. Contact
your local Motorola sales representative.
6 8 P 8 0 8 0 1H45- 1
1/20/2002
15
Parts and Suppliers
EBTS System Manual - Vol 2
Software
❐
PKZIP software
PKWare Inc.
9025 N. Deerwood Drive
Brown Deer, WI 53223
Phone: 414-354-8699
Fax: 414-354-8559
Internet: www.pkware.com
❐
ProComm software
Quarterdeck Select Corporation
P.O. Box 18049
Clearwater, FL 34622-9969
Phone: 800-683-6696
Fax: 813-532-4222
Internet: www.Qdeck.com
Spare Parts Ordering
Motorola Inc.
America’s Part Division
Attn: Order Processing
1313 E. Algonquin Road
Schaumburg, IL 60196
Phone: 800-422-4210 (sales/technical support)
Fax: 847-538-8198
Newark Electronics
Call for a local phone number in your area to order parts
Phone: 800-463-9275 (catalog sales)
773-784-5100
Fax: 847-310-0275
Internet: www.newark.com
16
68P80801H45-1
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EXIF Metadata provided by EXIF.tools

Motorola Solutions 89FC5798 Non-Broadcast Transmitter User Manual Quad BR 800 Tx FCC Filing

Motorola Solutions, Inc. Non-Broadcast Transmitter Quad BR 800 Tx FCC Filing

Exhibit D Users Manual per 2 1033 c3

FCC ID Filing: ABZ89FC5798

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