Westell DSP95-PAW Industrial Signal Booster, Repeater User Manual

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DSP95 Series Digital Repeater Line
User’s Guide
PRODUCT MANUAL
WESTELL.COM
©Westell Technologies. 960-1152-MNL rG
Digital Repeater Line
DSP95 Series User’s Guide
DISCLAIMER
All information and statements contained herein are accurate to the best of Westell Technologies’ knowledge. Westell
Technologies makes no warranty with respect there to, including without limitation any results that may be obtained
from the products described herein or the infringement by such products of any property rights of any persons. Use
or application of such information or statements is at the users’ sole risk, without any liability on the part of Westell
Technologies. Nothing herein shall be construed as license or recommendation for use, which infringes upon any
propriety rights of any person. Product material and specifications are subject to change without notice. Westell
Technologies standard terms of sale and the specific terms of any particular sale apply.
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TABLE OF CONTENTS
Preface ........................................................................................................................................................................... 9
Purpose............................................................................................................................................................................................................. 9
Application ...................................................................................................................................................................................................... 9
Document Organization ............................................................................................................................................................................ 9
Reference .......................................................................................................................................................................................................10
Document Conventions ...........................................................................................................................................................................10
Product Registration Information ........................................................................................................................................................11
Safety Guidelines ........................................................................................................................................................................................11
Important Safety Information ..................................................................................................................................................................12
Industry Certifications/Registration Numbers: ...............................................................................................................................12
FCC ID: NVRDSP95-PAW .........................................................................................................................................................................12
ISEDC: 4307A-DSP95PAW .......................................................................................................................................................................13
Technical Support.......................................................................................................................................................................................13
Acronyms and Abbreviations.................................................................................................................................................................14
Product Overview .............................................................................................................................................. 15
1.1
Product Information...................................................................................................................................................................15
1.2
Functional Overview...................................................................................................................................................................15
1.3
LED Indicator .................................................................................................................................................................................16
1.4
Local Communication Interface Ports .................................................................................................................................17
1.5
EIA232 Pin Specifications .........................................................................................................................................................17
1.6
USB Interface ................................................................................................................................................................................17
1.7
Ethernet ...........................................................................................................................................................................................17
1.8
Monitoring and Alarms.............................................................................................................................................................17
1.9
Circuit Operational Description .............................................................................................................................................18
Optimizing the System during Installation ................................................................................................... 19
2.1
System Setup Considerations ................................................................................................................................................19
2.2
Suggested Spectrum Analyzer Setting ...............................................................................................................................19
2.3
Important Installation Notes ..................................................................................................................................................20
2.4
Installation Guidelines ...............................................................................................................................................................20
2.4.1
Donor Antenna ............................................................................................................................................................................. 20
2.4.2
Antennas.......................................................................................................................................................................................... 21
2.5
Optional Accessories .................................................................................................................................................................21
2.5.1
Outside Donor Antenna ............................................................................................................................................................ 21
2.5.2
Inside Omnidirectional Antenna ............................................................................................................................................ 21
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2.5.3
Power Dividers .............................................................................................................................................................................. 21
2.5.4
Grounding Kit ................................................................................................................................................................................ 21
2.5.5
Directional Couplers ................................................................................................................................................................... 21
2.5.6
19” Rack Shelf ................................................................................................................................................................................ 22
2.5.7
UPS..................................................................................................................................................................................................... 22
2.5.8
Cross Band Couplers ................................................................................................................................................................... 22
Web-Based GUI .................................................................................................................................................. 23
3.1
Web-Based GUI Session ...........................................................................................................................................................23
3.2
System Status ...............................................................................................................................................................................26
3.3
Local Network...............................................................................................................................................................................27
3.4
RF Configuration .........................................................................................................................................................................28
3.5
Program a Filter ...........................................................................................................................................................................29
3.6
Remote Network .........................................................................................................................................................................30
3.7
SNMP Configuration ..................................................................................................................................................................31
3.8
Time Configuration ....................................................................................................................................................................31
3.9
System Health...............................................................................................................................................................................32
3.10
Install and Upload .......................................................................................................................................................................33
3.11
Reboot .............................................................................................................................................................................................34
3.12
Alarm Configuration ..................................................................................................................................................................35
3.13
Email Configuration....................................................................................................................................................................36
3.14
Log Configuration .......................................................................................................................................................................37
3.15
Account Credentials ...................................................................................................................................................................38
Console Interface ............................................................................................................................................... 39
4.1
Text Menu Interface (Local Access) ......................................................................................................................................39
4.2
Telnet Session (Remote Access) ............................................................................................................................................44
4.3
Modem Interface (Remote Access with Login) ...............................................................................................................46
4.4
Additional Tips .............................................................................................................................................................................47
Appendix A
Attenuation and Dynamic Range Guidelines ............................................................................ 51
A.1
Donor Port .....................................................................................................................................................................................51
A.2
Server Port .....................................................................................................................................................................................51
A.3
Dynamic Range Thresholds ....................................................................................................................................................52
A.4
Large Deltas between In-band and Composite Input Signals ..................................................................................52
Appendix B
B.1
B.1.1
Band Plans and Filter File Naming Conventions .......................................................................... 53
Frequency Band Plans .................................................................................................................................................................53
700 MHz Lower A, B and C Band Plan ................................................................................................................................. 53
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B.1.2
700 MHz Upper C Band Plan ................................................................................................................................................... 54
B.1.3
Cellular Frequency Band Plan .................................................................................................................................................... 54
B.1.4
AWS Frequency Band Plan ....................................................................................................................................................... 55
B.1.5
Canadian PCS Frequency Band Plan ..................................................................................................................................... 56
B.1.6
US PCS Frequency Band Plan .................................................................................................................................................. 57
B.1.7
Public Safety Bands ..................................................................................................................................................................... 57
B.2
Filter File Naming Conventions .............................................................................................................................................58
B.2.1
700 MHz Filter Naming Convention ....................................................................................................................................... 58
B.2.2
Cellular Filter File Naming Convention .................................................................................................................................... 59
B.2.3
Canadian PCS Filter File Naming Convention ...................................................................................................................... 60
B.2.4
US PCS Filter File Naming Convention ................................................................................................................................... 61
B.2.5
AWS Filter Naming Convention ............................................................................................................................................. 63
Appendix C
Mechanical Configurations .............................................................................................................. 64
C.1
Digital Repeater Mechanical Drawings ..............................................................................................................................64
C.2
Digital Repeater Mounting Drawings, Modular Series High Power .......................................................................64
C.2.1
Wall Mounting .............................................................................................................................................................................. 65
C.2.2
19” Relay Rack Mounting.......................................................................................................................................................... 66
C.2.3
19” Four Post Rack Mounting ................................................................................................................................................. 67
Appendix D
Mechanical and Electrical Specifications ................................................................................... 68
D.1
Mechanical Specifications........................................................................................................................................................68
D.2
AC Power Specifications ...........................................................................................................................................................68
D.3
Environmental Requirements .................................................................................................................................................68
D.4
Operating Power Parameters .................................................................................................................................................69
Appendix E
Port Configurations .......................................................................................................................... 71
E.1
Dual-band D2:D1 Port Configuration .................................................................................................................................71
E.2
Dual-band D1:D2 Port Configuration .................................................................................................................................71
E.3
Dual-band D2:D2 Port Configuration .................................................................................................................................72
E.4
Dual-band D1:D1 Port Configuration .................................................................................................................................72
Appendix F
Acronyms and Abbreviations .......................................................................................................... 73
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TABLE OF FIGURES
Figure 1-1: Pin Description .................................................................................................................................................................................17
Figure 3-1: User Connection Login..................................................................................................................................................................23
Figure 3-2: System Status....................................................................................................................................................................................26
Figure 3-4: Local Network ...................................................................................................................................................................................27
Figure 3-5: RF Configuration..............................................................................................................................................................................28
Figure 3-6: Program a Filter ...............................................................................................................................................................................29
Figure 3-7: Remote Network..............................................................................................................................................................................30
Figure 3-8: SNMP Configuration ......................................................................................................................................................................31
Figure 3-9: Time Configuration .........................................................................................................................................................................31
Figure 3-10: System Health ................................................................................................................................................................................32
Figure 3-11: Install & Upload.............................................................................................................................................................................33
Figure 3-12: Reboot ...............................................................................................................................................................................................34
Figure 3-13: Alarm Configuration ....................................................................................................................................................................35
Figure 3-14: Email Configuration .....................................................................................................................................................................36
Figure 3-15: Log Configuration.........................................................................................................................................................................37
Figure 3-16: Account Credentials .....................................................................................................................................................................38
Figure 4-1: Null Modem Cable ..........................................................................................................................................................................39
Figure 4-2: Gender Adapter ...............................................................................................................................................................................39
Figure 4-3: Tera Term Pro Web Start Up .......................................................................................................................................................39
Figure 4-4: Serial Radio Button .........................................................................................................................................................................40
Figure 4-5: Setup ....................................................................................................................................................................................................40
Figure 4-6: Serial Port Setup ..............................................................................................................................................................................41
Figure 4-7: TMI Main Menu ................................................................................................................................................................................42
Figure 4-8: Adjust Gain.........................................................................................................................................................................................43
Figure 4-9: User Gain ............................................................................................................................................................................................43
Figure 4-10: Selecting Filter Programs ...........................................................................................................................................................44
Figure 4-11: Default IP Address ........................................................................................................................................................................45
Figure 4-12: Login Screen ...................................................................................................................................................................................45
Figure 4-13: Main Menu ......................................................................................................................................................................................46
Figure 4-14: Control Panel ..................................................................................................................................................................................47
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Figure 4-15: View Network Status and Tasks ..............................................................................................................................................47
Figure 4-16: Change Adapter Settings...........................................................................................................................................................48
Figure 4-17: Local Area Network ......................................................................................................................................................................48
Figure 4-18: Internet Protocol Version 4 (TCP/IPv4) ................................................................................................................................49
Figure 4-19: Enter IP Address ............................................................................................................................................................................49
Figure B-1: : 700 MHz Lower A, B and C Band Plan ..................................................................................................................................53
Figure B-2: : 700 MHz Upper C Band Plan ....................................................................................................................................................54
Figure B-3: Cellular Frequency Band Plan .......................................................................................................................................................54
Figure B-4: AWS Frequency Band Plan ..........................................................................................................................................................55
Figure B-5: Canadian PCS Frequency Band Plan ........................................................................................................................................56
Figure B-6: US PCS Frequency Band Plan .....................................................................................................................................................57
Figure B-7: Public Safety Bands ........................................................................................................................................................................57
Figure C-1: Digital Repeater Drawing.............................................................................................................................................................64
Figure C-1: Install Wall Mounting Brackets ..................................................................................................................................................65
Figure C-3: Rack Mounting .................................................................................................................................................................................66
Figure C-4: 19” Four Post Rack Mounting ....................................................................................................................................................67
Figure E-1: Dual-band D2:D1 Port Configuration ......................................................................................................................................71
Figure E-2: Dual-band D1:D2 Port Configuration ......................................................................................................................................71
Figure E-3: Dual-band D2:D2 Port Configuration ......................................................................................................................................72
Figure E-4: Dual-band D1:D1 Port Configuration ......................................................................................................................................72
TABLE OF TABLES
Table P-1: Document Conventions..................................................................................................................................................................10
Table F-1: Acronyms and Abbreviations .......................................................................................................................................................73
Table A-1: Dynamic Range Thresholds ..........................................................................................................................................................52
Table B-1: 700 MHz Filter Naming Convention ............................................................................................................................................58
Table B-2: Cellular Filter File Naming Convention .........................................................................................................................................59
Table B-3: Canadian PCS Filter File Naming Convention ...........................................................................................................................60
Table B-4: US PCS Filter File Naming Convention ........................................................................................................................................61
Table D-1: Mechanical Specifications .............................................................................................................................................................68
Table D-2: AC Power Specifications ................................................................................................................................................................68
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Table D-3: Environmental Requirements ......................................................................................................................................................68
Table D-1: Operating Power Parameters ......................................................................................................................................................69
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Preface
This Preface includes the following:
•
Purpose
•
Application
•
Document Organization
•
References
•
Document Conventions
•
Product Registration Information
•
Safety Notices
•
Important Safety Information
•
Radio and Television Interferences
•
Industry Certifications/Registration Numbers
•
Technical Support
•
Acronyms and Abbreviations
Purpose
The purpose of this document is to provide a procedure to help experienced technicians/engineers install and
commission an in-building wireless enhancement repeater system using Westell Technologies digital repeaters. This
document was written to address the practical concerns of the installer. Following the procedures in this manual will
minimize risks associated with modifying a live system and will prevent service interruptions. This document assumes
the technician/engineer understands the basic principles and functionality involved with repeater and in-building
systems.
Application
Apply this guide when adding digital repeater capability to an existing system or as part of a new installation.
Document Organization
This manual includes the following chapters:
Chapter 1: Product Overview – Provides an Overview of DSP95 Series Repeaters
Chapter 2: System Optimization Installation Tips – Provides information for system optimization
Chapter 3: Web-Based GUI – Provides information about using the system through a web-based graphical user
interface
Chapter 4: Console Interface – Provides information about local access to the repeater through console interface
Appendix A: Attenuation and Dynamic Range Guidelines – Provides information about attenuation and dynamic
range guidelines
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Appendix B: Band Plans and Filter File Naming Conventions – Provides information about the band plans and
filter file naming conventions
Appendix C: Mechanical Configurations – Provides mechanical drawings and mounting diagrams for the system
Appendix D: Mechanical and Electrical Specifications – Provides the mechanical and electrical speciation for the
system
Appendix E: Port Configuration – Details and illustrates the port configurations for each repeater type
Appendix F: Glossary – Provides a table of acronyms and abbreviations used in this manual and a definition for each
Reference
•
Westell Technologies Power Supply Users Guide, part number 960-1152-MNL
Document Conventions
Table P-1 lists the conventions used throughout this document.
Table P-1: Document Conventions
Convention
Description
DANGER!
Description of an imminent hazard that, if not avoided, may result in severe injury or death.
WARNING!
Description of an imminent hazard that, if not avoided, may result in injury or serious
equipment damage.
CAUTION
Description of an imminent hazard that, if not avoided, could result in equipment damage.
IMPORTANT
Additional information that is very important for the user to know. More critical than a note,
but does not contain a Danger!, Warning! or Caution.
NOTE
Additional information or comments that may be beneficial for the user to know.
Bold
Bold typeface indicates commands, buttons, keyboard keys, user interface elements, and
provides emphasis.
Command1
Command2
Key1+Key2
The > symbol between commands indicates a succession of commands. For example, select
Start > Settings.
A plus sign between key names indicates simultaneous keyboard commands. Press and
hold down the first key while pressing the second key. For example, Ctrl+X.
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Product Registration Information
The product serial number is located on the label on the bottom panel, near the power connectors. Record the serial
number, model number, purchase date and point-of-sale company in the boxes in Figure P-1 below. Retain this
manual, along with proof of purchase, to serve as a permanent record of your purchase.
Figure P-1: Product Registration Information
Safety Guidelines
The general safety information in this section applies to both operating and service personnel. Specific warnings and
cautions are located in other parts of this manual to which they apply, but may not appear in this summary. Failure
to comply with these precautions or specific warnings elsewhere in the manual violates safety standards of design,
manufacture, and intended use of equipment. Westell Technologies assumes no liability for the customer’s failure to
comply with these requirements:
Grounding: This digital repeater system is designed to operate from 100 - 240 VAC and must always be operated
with the ground wire properly connected. Do not remove or otherwise alter the grounding lug on the power cord.
Explosive atmospheres: To avoid explosion or fire, do not operate this product in the presence of flammable gases
or fumes.
Lightning danger: Do not install or adjust this unit during an electrical storm. We strongly recommend the use of a
suitable lightning arrester.
There are no user-serviceable parts inside the repeater.
DANGER!
Hazardous voltages are present when the cover is removed. Do not open the
repeater enclosure. If you suspect a malfunction with this product, call your dealer
or call Westell Technologies technical support line at 1.877.844.4274.
WARNING!
Disconnect/remove power before connecting or disconnecting cables.
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Important Safety Information
Antennas used to radiate signals indoors are limited to a maximum gain of 3 dBi. The output power setting and
antenna used for the up-link (1710-1755MHz) must be configured to ensure that the eirp does not exceed 1Watt and
is limited to a maximum antenna height of 10 meters above ground. Position each antenna to observe minimum
separation requirements from all users and bystanders.
Use the following guidelines when considering separation distances.
•
Place indoor antennas such that, under normal conditions, personnel cannot come within 50 cm (~20
in) from any inside antenna. Adhering to this minimum separation ensures that bystanders cannot
exceed RF exposures beyond the maximum permissible limit for uncontrolled exposure.
•
Position outdoor antennas such that, under normal conditions, personnel cannot approach closer
than 183 cm (~6 ft.).
Canadian Compliance Information: This device complies with ISEDC license-exempt RSS standard(s). Operation is
subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept
any interference, including interference that may cause undesired operation of the device. Le présent appareil est
conforme aux CNR ISEDC applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux
conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter
tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Industry Certifications/Registration Numbers:
FCC ID: NVRDSP95-PAW
IC: 4307A-DSP95PAW
Power Supply: UL60950-1
The FCC requires the user to be notified that any changes or modifications made to this device that are not expressly
approved by Westell may void the user's authority to operate the equipment. This device must not be co-located or
operated in conjunction with any other antenna or transmitter. Specific models referenced throughout this manual
are limited to operation at the frequencies for which they were certified. Model DSP95-PAW is certified for 1850-1910
MHz / 1930-1990 MHz and 1710-1755 MHz/ 2110-2155 MHz operation only.
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Renseignements importants en matière
Antennes utilisées pour émettre des signaux à l’intérieur sont limitées à un maximum de gain de 3 dBi. Le réglage de
puissance de sortie et l’antenne utilisée pour la liaison montante (1710-1755MHz) doivent être configurés pour
s’assurer que la pire ne dépasse pas 1 Watt et est limitée à une hauteur maximale de l’antenne de 10 mètres audessus du sol. Positionner chaque antenne afin d’observer les exigences de séparation minimale de tous les
utilisateurs et les passants.
Utilisez les instructions suivantes lors de l’examen des distances de séparation.
•
Placer les antennes intérieures telles que, dans des conditions normales, le personnel ne peut pas
moins de 50 cm (20 po) de l’un à l’intérieur de l’antenne. Adhérant à cette séparation minimale s’assure
que les passants ne peuvent excéder exposition RF au-delà de la limite maximale admissible pour
une exposition non contrôlée
•
Position antennes extérieures telle que, dans des conditions normales, le personnel ne peut pas
approcher moins 183 cm (6 pieds).
Le présent appareil est conforme aux CNR ISEDC applicables aux appareils radio exempts de licence. L'exploitation
est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de
l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en
compromettre le fonctionnement.
Certifications de l’industrie immatriculations:
FCC ID: NVRDSP95-PAW
ISEDC: 4307A-DSP95PAW
Bloc d’alimentation: UL60950-1
La FCC exige que l’utilisateur d’être averti que toute modification apportée à cet appareil qui n’est pas expressément
approuvées par Westell peut annuler autorisation votre d’utiliser l’équipement. Ce dispositif ne doit pas être coimplanté ou exploité conjointement avec toute autre antenne ou transmetteur. Modèles spécifiques mentionnés
dans ce manuel sont limités au fonctionnement aux fréquences pour lesquelles ils ont été certifiés. Modèle DSP95PAW est certifié pour l’opération 1850-1910 MHz/1930-1990 MHz et de 2110-2155 MHz / 1710-1755 MHz seulement.
Technical Support
If you suspect a malfunction with this product or have a technical question, call your dealer or the Westell
Technologies In-Building Wireless Support Line at: (603) 626-6677, Toll Free (USA) 1-877-844-4274, press option 2
then option 1. They can also be reached at ibwsupport@westell.com.
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Acronyms and Abbreviations
Refer to Appendix F at the end of this manual for definitions of the acronyms and abbreviations used in this manual.
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1 Product Overview
1.1 Product Information
Westell Technologies digital repeaters were developed for use within enclosed structures where sufficient signal
strength from local cell sites to operate cell phones is unavailable. Adequate signal strength must be available outside
the structure as a prerequisite to achieving in-building coverage. The digital repeater is connected to an external
antenna, usually on the roof, and to one or more internal antennas placed strategically throughout the area where
wireless service is desired.
The external antenna is typically a directional type, such as a Yagi antenna. Internal antennas are typically
omnidirectional, though various other types may be used, depending on the coverage application. The Westell DSP
repeater amplifies both the uplink (phone to tower) and downlink (tower to phone) signals, facilitating
communications to and from the intended wireless infrastructure.
With a maximum total of 90 dB nominal gain on both the uplink and downlink, gain can be adjusted over a range
from 58.5 dB to 90 dB in 0.5 dB steps. Control of the repeater is achieved utilizing a computer connected to a COM
port or via a crossover Ethernet cable connected to the Ethernet port.
A specific filtering process modifies each amplification chain. This process digitally converts the assigned spectrum
and then applies digital signal processing (DSP) techniques. DSP is used to create passbands that selects the RF
energy passing through either the uplink or downlink paths. After the digital processing is complete, the information
is converted back to an analog signal that is applied to the remaining stages of amplification. The resulting signals
emitted by the repeater are specific to the network service providers’ requirements. If these requirements change,
only the DSP configuration parameters must change. Configuration parameters are created at the factory and
supplied as files to be downloaded to the repeater. The filter set configurations stored in memory determine the
unit’s adaptability to various field applications. Appendix B describes the band plans and the convention Westell uses
to identify and store the files that make up the filter set. All Westell repeaters are shipped with an active filter set that
is programmed according to customer specifications. In most cases, the installer will not be required to program a
filter.
1.2 Functional Overview
Westell Technologies digital repeaters incorporate the following features for convenient operation, access, protection,
and control:
•
Network configuration and control using either a web GUI accessed using a web browser or a menu
driven user interface using the serial port. The GUI does not require Internet access.
•
User gain control (affects all passbands)
•
Automatic gain control
•
Automatic power control
•
Overdrive protection (PA limiting)
•
Under/Over voltage protection
•
Fault protection
•
Alarm notification - local/remote
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•
Upgrade support - local/remote
•
External interfaces - USB/ethernet/Serial
•
Re-loadable filters - local/remote
•
Web-based monitoring and control - local/remote
•
Persistent status and error information
1.3 LED Indicator
Westell Technologies automatic safety precautions are built into the amplifier system. In the case of a catastrophic
system event, a shutdown circuit will disable all emissions if the uplink input or downlink input is overdriven or if an
oscillation or output overpower event occurs. The amplifier will periodically attempt to recover from the detected
condition.
Status LED states are:
•
Blinking yellow: Unit is migrating the database after an upgrade
•
Blinking red: Unit is programming the filter(s) and there is an error condition
•
Blinking green: Boot up or unit is programming the filter(s) and no error condition exists
•
Solid green: Unit is operational, PA is on
•
Solid yellow: Unit is operational, but AGC is on
•
Solid red: Unit has an error condition or PA is off
•
Dark: Unit is not powered
Check the GUI status page for the nature of the fault.
NOTE
On power up, the repeater will require approximately three (3) minutes for the internal
computer to boot. During this time the LED labeled Power/Fault or Status will slowly
blink green on and off at a rate of approximately 1 Hz. This will indicate that the unit is
in the boot up process. Filter configuration file loading will show green light blink
two (2) seconds on / three (3) seconds off until finished.
Do not unplug the unit while it is in the boot up process.
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1.4 Local Communication Interface Ports
To allow monitoring and control, Westell Technologies repeaters are equipped with four ports that provide external
communication access (one Ethernet CAT-5, one DB-9 serial, and two USB). The Ethernet, CAT-5 port is provided as
a primary communications port to the PC. The serial interface provides communications to a PC. The USB interface
provides a means to download files from a memory device. The DB-9 pin assignments conform to the standard
Electronic Industries Association (EIA232) specification. A diagram of the pin descriptions is provided in Figure 1-1
for reference. Connecting a null modem cable to one of the COM ports and using a terminal emulation program with
a PC will allow communication to the control processor’s Text Menu Interface (TMI).
Figure 1-1: Pin Description
1.5 EIA232 Pin Specifications
The connection diagram in Figure 1-1 is for reference only. It is intended as a resource for pinout information if it is
necessary to adapt your serial cable because of an unusual connector configuration. In the majority of cases, this
information is not needed.
1.6 USB Interface
This port is used for software updates and filter file uploads.
1.7 Ethernet
This port is used to provide local or remote access to the GUI.
1.8 Monitoring and Alarms
The DSP95 series can be monitored via an ethernet connection using SNMP, SSH and/or HTTP protocols. Public
Safety DSP models have dry contacts for traditional alarm panel monitoring as well.
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1.9 Circuit Operational Description
The repeater uses a single down conversion/up conversion scheme. There are multiple RF amplifier stages prior to
each down-converting mixer. The down-converting mixers are followed by a single IF amplifier. A DSP block then
processes the resultant digitized IF signal that was previously generated by an analog-to-digital converter. The
filtered digital signal is fed to a digital-to-analog converter and then up-converted to RF. A driver amplifier and a
power amplifier make up the final gain stages before application to the diplexer. The maximum total system gain
(diplexer input to diplexer output) is nominally 90 dB for either the downlink or the uplink paths with both links having
independent manual and Automatic Gain Controls (AGC).
AGC reacts to analog power detection on both the input and output of the uplink and downlink RF chains. A control
algorithm continuously monitors these detected values and dynamically adjusts various gain stages. The net system
gain value, entered manually, is optimally maintained without exceeding FCC parameters or overdriving the A/D
converters.
The Status or Power/Fault LED provides immediate visual indication of the unit’s primary power alarm status. The
repeater features automatic shutdown protection as a safety measure if excessive drive is applied to the input or an
oscillation condition occur. When in a protected mode, a control algorithm determines the appropriate method of
recovery to a normal, previously defined state, or maintains the protection until it is manually reset. If recovery has
been established, the LED is illuminated green or available to be reset. The events that trigger the error will be saved
in the event log.
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2 Optimizing the System during Installation
2.1 System Setup Considerations
Check all cables for shorts and opens. Verify that there are no cables with loose or poor connections. RF leakage
could cause oscillation to occur under some conditions.
Check the rooftop antenna (donor antenna), if directional, for proper alignment along the calculated compass
heading. Typically, the directional antenna is aimed at the same site that your handset uses, but it may not always
be. It is critical that the installer contact the service provider for information about, and approval of, the selected cell
site before the system is activated.
IMPORTANT
The installation height of the antenna for AWS band (1700/2100 MHz) operations is
limited to 10 meters above ground for compliance with Section 27.50.
If cables and alignment are acceptable and a problem persists, it may be necessary to use a spectrum analyzer to
examine the signal environment in which the repeater is operating. The existence of strong adjacent channel signals
within the frequency band(s) can cause the AGC to reduce the amplifier’s gain or cause alarms. In some cases,
additional filtering or attenuation might be required to reject these unwanted signals. In some instances, the donor
antenna can be reoriented horizontally, to place the interference source in an antenna pattern null. There also may
be some cases where the interference from outside signals is so great that they cannot be filtered or otherwise
reduced or eliminated without expensive and possibly prohibitive measures. In these cases, it may not be practical
to use the repeater for providing coverage to these sites.
2.2 Suggested Spectrum Analyzer Setting
When troubleshooting RF issues and surveying challenging RF environments, it is important to have a spectrum
analyzer that is capable of measuring the frequency you are using. Use an attenuator to protect the input when
connected to a source of RF power, such as a repeater or a powered DAS.
Measure both uplink and downlink.
Measure downlink on the donor cable and at the output (server) port of the powered repeater.
Measure uplink at the lead from the DAS (on fiber-powered DAS, where the lead would connect to the server port on
the repeater) and at the donor port with the repeater power on.
Measurements may also be necessary at server antenna locations. The spectrum analyzer must be equipped with a
whip antenna.
Set the resolution bandwidth (RBW) to 200 kHz for GSM and 1 MHz for CDMA. If you cannot select these values, use
the closest available values. Set the video filter to about one-tenth of RBW. Set other settings, such as span, to the
appropriate values. Ensure that there are no signals above the top of the screen.
If you cannot see an adjacent out-of-band signal when using the 1 MHz RBW filter, decrease the RBW to see the
close-in-frequency signals. Set the RBW back when you want to measure the power level.
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2.3 Important Installation Notes
Inadequate isolation between the outside and inside antennas may cause regenerative feedback in the system. This
feedback can cause the amplifier to emit a continuous signal at maximum amplitude and, in some cases, interfere
with normal operation of the cell site. It is important to carefully consider the layout and placement of the system.
Refer to the Preface Safety Guidelines and Important Safety Information for proper antenna selection and
installation.
DANGER!
To avoid serious injury or death and repeater damage, do not install donor or server
antennas near overhead power lines or high power components. Allow enough
distance so that, if antennas fall, they will not contact those components.
WARNING!
Close proximity to the donor or server antennas with the repeater in operation may
expose the user or installer to RF fields that exceed FCC limits for human exposure.
CAUTION
Amplifier or handset damage may occur if a handset is connected directly to the
repeater or to the coax that leads to the repeater.
2.4 Installation Guidelines
2.4.1
Donor Antenna
•
Accurately determine the azimuth to the donor cell site.
•
Obtain the donor site information and approval from the service provider/carrier.
•
Ensure that the radiation path to the donor cell site is as unobstructed as possible.
•
Mount the donor antenna at or toward the edge of the roof, in the direction of the donor site. Try
to avoid having the RF signal from the donor pass above the location(s) of the service antennas.
Normally, service antennas are located behind and below the donor antenna (as viewed from above).
This approach will help avoid interference and feedback to and from the service antennas.
•
Normally, mounting the donor antenna higher will allow a less obstructed path to the donor site.
However, in high traffic metro areas avoid mounting the donor antenna any higher than necessary
as the quality of the donor signal may start to become less stable and it is more likely to encounter
adjacent channel interference.
•
When possible, shield the donor antenna’s backside by locating it so that any HVAC units and/or
penthouse structures are behind the antenna relative to the donor cell site location.
•
Ground system components in accordance with NEC 810-15, 21 as required.
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2.4.2
Antennas
•
Use omnidirectional antennas indoors, and locate them centrally with respect to the intended
coverage area to minimize signal leakage to the outside. Use directional antennas indoors only in
special cases when higher gain and directionality would be helpful and RF exposure limits will not be
exceeded.
•
To avoid repeater uplink overload and gain limiting, mount the indoor antennas away from areas
where mobile subscribers frequently use their phones such as desks or dispatch areas.
•
To determine the quantity and locations of indoor antennas, use an appropriate phone’s signal meter
to determine areas of weak signals. These are the approximate areas where indoor antennas may be
needed. Be aware the signal from an indoor antenna, in most cases, can be expected to penetrate
about two standard office sheetrock-type walls to reach users. After two walls, or if the walls are
made of other materials, it may be necessary to split the available signal and add more antennas.
2.5 Optional Accessories
A complete line of accessories is available from Westell Technologies. Check with your Westell Technologies distributor for
any additional items needed. Below are just a few examples suitable for most in-building needs.
2.5.1
2.5.2
Outside Donor Antenna
•
PCS - model number CSI-AY/1.85-1.99/10
•
Cellular - model number CSI-AY/806-960/14
Inside Omnidirectional Antenna
•
2.5.3
2.5.4
Power Dividers
•
2:1 - model number ClearLink -SPD2/698-2.7K-LP/N
•
3:1 - model number ClearLink -SPD3/698-2.7K-LP/N
•
4:1 - model number ClearLink -SPD4/698-2.7K-LP/N
Grounding Kit
•
2.5.5
Quad-band - model number ClearLink-O/698-2.7K/N
Model number CSI-GKIT
Directional Couplers
•
6 dB - model number ClearLink-DC6/698-2.7K/N
•
10 dB - model number ClearLink -DC10/698-2.7K/N
•
15 dB - model number ClearLink -DC15/698-2.7K/N
•
20 dB - model number ClearLink -DC20/698-2.7K/N
•
30 dB - model number ClearLink -DC30/698-2.7K/N
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2.5.6
19” Rack Shelf
•
2.5.7
2.5.8
Model number CSI-RMS-250
UPS
•
Battery backup, two hour single-band, one hour dual-band - model number CS48-985-600
•
Battery backup, four hour single-band, two hour dual-band - model number CS48-985-601
Cross Band Couplers
•
Quad-band Rack Mount - model number CSI-CM250-7/C/AW/P (700 LTE, Cellular, PCS and AWS)
•
Quad-band Wall Mount - model number CSI-CBC/QUAD/N (700 LTE, Cellular, PCS and ASW)
•
Tri-band Rack Mount - model number CSI-CM250-U7C/C/P (700 Upper C LTE, Cellular and PCS)
•
Tri-band Wall Mount - model number CSI-CBC21/740-1990/N (700 Upper C LTE, Cellular and PCS)
•
Tri-band Rack Mount - model number CSI-CM250-L7/C/P (700 Lower A/B/C LTE, Cellular and PCS)
•
Tri-band Wall Mount - model number CSI-CBC21/696-1990/N (700 Lower A/B/C LTE, Cellular and
PCS)
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3 Web-Based GUI
3.1 Web-Based GUI Session
You may access the repeater using a LAN connection and a web browser program such as Internet Explorer, Figure
3-1.
Figure 3-1: User Connection Login
The repeater ships with the default IP address of 192.168.1.100, but can be changed later if required.
1.
If connecting directly to the repeater from a laptop or PC with a crossover CAT-5e cable or over a
LAN, enter the IP address of the repeater into the browser address line to connect.
Most users will need to update the TCP/IP settings on their computer to enable connection to a host that has a static
IP. Refer to section 0 If the repeater is properly equipped, you may use a modem to gain remote access to the
repeater. A selection of modems are available as options.
After you have installed and activated the modem, you can access it from any web browser. Access response time
depends on many factors, some of which are:
•
Quality of the connection (RF signal in the case of wireless modems)
•
Technology (CDMA, LTE, GPRS, etc.)
•
Network congestion (throughput)
When a connection has been established, the login screen shown in both the GUI Serial and Telnet examples displays.
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2.
Additional Tips for more information.
a.
Select Use the following IP Address and enter the IP address as follows: 192.168.1.x, where
‘x’ is any number from 2 to 254, inclusive, except 100. The subnet mask is 255.255.255.0.
Refer questions pertaining to these settings to your IT department, or review section 0 If the
repeater is properly equipped, you may use a modem to gain remote access to the repeater.
A selection of modems are available as options.
After you have installed and activated the modem, you can access it from any web browser. Access response time
depends on many factors, some of which are:
•
Quality of the connection (RF signal in the case of wireless modems)
•
Technology (CDMA, LTE, GPRS, etc.)
•
Network congestion (throughput)
When a connection has been established, the login screen shown in both the GUI Serial and Telnet examples displays.
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b. Additional Tips.
3.
When connection is made, you will be prompted for a user name and password. For the purpose of
the GUI session, enter the default user name webuser and the password is csi1234, shown in Figure
3-1. Username and password can be changed as required.
Internet access is not required to use the GUI. If you are connecting using a laptop, verify that your ethernet port has
power. Some laptops will not allow ethernet connection when on battery power. If this occurs, connect to AC line
power or update the power settings.
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3.2 System Status
After login, the System Status page displays, Error! Reference source not found.. The Navigation Menu on the left
side of the page (highlighted in Error! Reference source not found.) shows available operations. Clicking a menu
item displays the page for that operation.
Figure 3-2: System Status
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3.3 Local Network
Click Local Network in the System Status left page menu to display the Local Network screen, Figure 3-3 displays.
This page allows you to modify the network configuration. The default Boot Mode is Static. Check with your IT
department for explanation and approval of the DHCP and DHCP server options you plan to use before you select
them.
Figure 3-3: Local Network
NOTE
In units with software version 2.2.4 or prior, only letters, numbers and underscores
are acceptable nomenclature. In units with software version 2.3.0 and up,
underscores are not acceptable; however, hyphens are acceptable.
After changes are made, refresh the page to review the fields and ensure the change made is correct.
NOTE
Changing network settings will cause the current TCP/IP connection to fail because
changes will take effect immediately. From here the user may return to the System
Status page or click on the other options.
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3.4 RF Configuration
Click RF Configuration in the left page to display and modify the RF Configuration page, Figure 3-4.
To change gain settings, select the Uplink only or Uplink and downlink radio buttons. Enter the desired gain value
between 58.5 dB and 90 dB. The repeater will not allow values outside this range. The gain change is implemented
by pressing the Change Settings button at the bottom of the page.
Figure 3-4: RF Configuration
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3.5 Program a Filter
Click Program a Filter in the left page menu. The Program a Filter page, Error! Reference source not found.,
displays. Change the selected filter in the band/sub-band and modulation options.
Deselect undesired bands/sub-bands if they are selected (highlighted). The Clear All button on the selected band
deselects all band and sub-bands simultaneously. Clicking the Program button completes the selection and loads
the desired filter. This process may take several minutes. If the desired filter is not currently in the repeater, additional
filters, along with instructions on how to load them, are available by contacting Westell Technologies.
Figure 3-5: Program a Filter
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3.6 Remote Network
If the repeater includes a USB modem kit, click Remote Network in the left page menu. The Remote Network page
displays, Figure 3-6. Highlight the carrier on whose network the repeater and modem will be configured and click
the Change Settings button. Refer to the documentation included with the modem kit for additional information
about modem configuration. If the repeater is connected to an ethernet device for remote access and/or monitoring,
this feature must be disabled.
Figure 3-6: Remote Network
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3.7 SNMP Configuration
To change SNMP settings, click SNMP Configuration in the left page menu. The SNMP Configuration page, Figure
3-7, displays. Check with an IT professional for proper SNMP setting requirements.
Figure 3-7: SNMP Configuration
3.8 Time Configuration
Click Time Configuration in the left page menu to display the Time Configuration page, Figure 3-8. This page allows
you to set the current system time and time zone.
Figure 3-8: Time Configuration
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3.9 System Health
Click System Health in the left page menu to display the System Health page, Figure 3-9. This page displays the
current repeater status. Click the Clear Log button to clear LED indicators, alarms and the event log. If required,
display the System Health screen, click Trigger Test Alarm and wait for confirmation that the WSP representative
that is responsible for monitoring the repeater has been notified of the alarm.
Be sure to click Clear All Logs before logging out of the web interface.
Figure 3-9: System Health
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3.10 Install and Upload
Click Install & Upload in the left page menu to display the Install & Upload page, Figure 3-10. Use this page to
perform a software installation or upgrade. Contact Westell Technologies for new software versions.
Figure 3-10: Install & Upload
IMPORTANT
You must click to select the Yes radio button next to Are you sure you want to
install from USB? before you click the
button.
If you do not, the installation will not be performed and an error message will
display.
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3.11 Reboot
Click Reboot in the left menu to display the Reboot page, Figure 3-11, which allows you to reboot the repeater. A
reboot takes approximately three to five minutes to complete.
Figure 3-11: Reboot
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3.12 Alarm Configuration
Click Alarm Configuration in the left page menu to display the Alarm Configuration page, Figure 3-12. This page
displays the current alarm configurations for each band and allows you to make changes by editing alarm settings
and clicking the Apply Changes button. Letters, numbers and hyphens are the only acceptable nomenclature for the
location field. Hyphens may not be used as the first or last character.
Figure 3-12: Alarm Configuration
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3.13 Email Configuration
Clicking Email Configuration in the left page menu displays the Email Configuration page, Figure 3-13. This page
allows you to enter up to five e-mail addresses to which the repeater can send specified alarm messages. Alarm
messages can be sent only when the repeater is connected via ethernet or wireless modem, and e-mail alarm
notification or remote networking are enabled. The software will not allow you to enter invalid characters in any field.
Figure 3-13: Email Configuration
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3.14 Log Configuration
Click Log Configuration to display the Log Configuration page, Figure 3-14. This page provides you with the ability
to change three aspects of the way log files are created and stored: Log Rotate Frequency, Log Rotate File Size and
Log Rotate File Count. Enter the desired settings for each and click the Configure Logs button to save the settings.
Figure 3-14: Log Configuration
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3.15 Account Credentials
Clicking Account Credentials in the left page menu displays the Account Credentials page, Figure 3-15. On this
page, you can create a new account or reset the repeater password. The old account is removed when the new
account is created. If you need to recover a password you have set, contact Westell Technologies technical support
line at 1.877.844.4274, Option 2, then Option 1 for assistance.
Figure 3-15: Account Credentials
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4 Console Interface
4.1 Text Menu Interface (Local Access)
To gain local access to the repeater TMI, also known as the console interface, connect a null modem serial cable as
shown in Figure 4-1, from the serial connector of the laptop to the serial port on the repeater. from the serial connector
of the laptop to the serial port on the repeater. This connector is labeled COM. In some cases, if the gender of the
connector is not the same as the connectors shown in Figure 4-1, a gender adapter (optional) Figure 4-2 may also be
required.
Figure 4-1: Null Modem Cable
Figure 4-2: Gender Adapter
Many terminal emulation programs will work if properly configured. In this section, Tera Term is used to establish
the TMI session.
Figure 4-3 is displayed when the program is started.
Figure 4-3: Tera Term Pro Web Start Up
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1.
Select the Serial radio button and click OK, Figure 4-4.
Figure 4-4: Serial Radio Button
NOTE
It may be necessary, to determine which COM port your computer uses for the
communications port. Do this in by viewing the system properties section of the
control panel using device manager. In this case, the communications port is COM
1. This is not to be confused with the serial port on the bottom panel of the repeater
that is also labeled COM 1.
2.
Click OK. A blank dialog screen, Figure 4-5 displays.
3.
Click Setup to expand the drop-down menu, Figure 4-5 and select Serial port. The Serial Port Setup
window, Figure 4-6, displays. In this window, you can make changes to the serial port setup.
Figure 4-5: Setup
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4.
Configure the terminal program for the correct COM port, Figure 4-6.
a.
Under the Port drop-down list, select COM 1.
b. Under the Baud rate drop-down list, select 115200.
Figure 4-6: Serial Port Setup
5.
After completing the serial port changes, click OK. A dialog displays, prompting you to enter a user
name and password.
6.
Enter a username and password and press the Enter key. The TMI Main Menu displays, Figure 4-7.
IMPORTANT
In dual-band units, each band is changed independently and requires an
independent login. The default user name for the first band is bandone. The default
user name for the second band is bandtwo.
The password for both bands is csi1234.
7.
The set parameters option is disabled by default. To enable it, press 1. A dialog displays, prompting
you to enter a user name and password.
8.
Enter the default user name csi and the password csi1234.
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Figure 4-7: TMI Main Menu
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When you select an item in the Set Parameter menu, a sub-menu expands to allow configuration of the selected
parameter.
For example, Selecting 1 - Adjust Gain in the Link Configuration menu, displays the Links: menu shown in Figure
4-8.
Figure 4-8: Adjust Gain
Selecting option (1) downlink in the Links: menu displays the current user gain, Figure 4-9.
Change the gain value by entering the desired gain value at the prompt. You may return to the previous menu by
selecting r.
Figure 4-9: User Gain
All other sub-menu items function in much the same way as the Adjust Gain item. Some of the items will offer
additional selections and will be self-explanatory. Figure 4-10 is one example of these additional options. This menu
displays when (3) Filter Programming is selected.
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Figure 4-10: Selecting Filter Programs
IMPORTANT
Navigate to File>Disconnect to terminate a session. If you do not, the port may
become disabled and the system will need to be rebooted.
4.2 Telnet Session (Remote Access)
You may access the repeater using a LAN connection and a terminal emulation program for TCP/IP. As with the serial
connection, many terminal emulation programs will work, if properly configured.
In the following section, Tera Term is used to establish the Telnet session. The network configuration of the computer
and the repeater that is being controlled must be set up with the same subnet and subnet mask to establish a link.
In other words, the IP addresses of both the computer and the repeater must use the same group of IP address
number sets.
For example, the repeater ships with a default IP address of 192.168.1.100 and a subnet mask of 255.255.255.0, as
shown in Figure 4-11. To connect, the computer used for the link would normally need an IP address of, for example,
192.168.1.2 with a subnet mask of 255.255.255.0, the same subnet mask as the repeater.
In this example, the last digit of the IP address may be any number except 1,100 and 255. Configuring your PC is
straight forward, but it varies according to the operating system used. If you require assistance, contact your IT
department or you may review the 0 Additional Tips section.
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When the Tera Term application opens, the window in Figure 4-11 displays.
Figure 4-11: Default IP Address
1.
Change the default host IP address to the IP address of the repeater to be controlled. In the case of a new
install, the default address is 192.168.1.100 and has been assigned at the factory.
a.
2.
Select Service>Telnet. The TCP port must be 23.
Click OK. The login screen, Figure 4-12, displays.
Figure 4-12: Login Screen
3.
Enter the username and password.
IMPORTANT
In dual-band units, each band is changed independently and requires an
independent login. The low band default username is bandone. The high band
default username is bandtwo. In the field after the prompt, enter the user name for
the band to be changed. The default password is csi1234 for both bands.
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4.
After you enter the password, press Enter. The main menu, Figure 4-13, displays. Telnet and serial sessions
both provide access to the same TMI.
Figure 4-13: Main Menu
4.3 Modem Interface (Remote Access with Login)
If the repeater is properly equipped, you may use a modem to gain remote access to the repeater. A selection of
modems are available as options.
After you have installed and activated the modem, you can access it from any web browser. Access response time
depends on many factors, some of which are:
•
Quality of the connection (RF signal in the case of wireless modems)
•
Technology (CDMA, LTE, GPRS, etc.)
•
Network congestion (throughput)
When a connection has been established, the login screen shown in both the GUI Serial and Telnet examples displays.
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4.4 Additional Tips
Follow the steps in this section to change the TCP/IP settings on your Windows computer.
1.
Open your computer’s Control Panel as shown in Figure 4-14.
Figure 4-14: Control Panel
2.
Click on View network status and tasks, under Network and Internet as shown in Figure 4-15.
Figure 4-15: View Network Status and Tasks
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3.
On the left side, click Change adapter settings as shown in Figure 4-16.
Figure 4-16: Change Adapter Settings
4.
Right click Local Area Connections and select Properties as shown in Figure 4-17.
Figure 4-17: Local Area Network
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5.
Double click Internet Protocol Version 4 (TCP/IPv4), or highlight Internet Protocol Version 4 (TCP/IPv4)
and select Properties, Figure 4-18.
Figure 4-18: Internet Protocol Version 4 (TCP/IPv4)
6.
Click to select the radio button next to Use the following IP address, which will allow you to populate the
IP address and Subnet mask fields. In the IP address enter 192.168.1.2, and click OK, Figure 4-19.
NOTE
The Subnet mask will automatically populate to 255.255.255.0.
Figure 4-19: Enter IP Address
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7.
Click OK, then click OK again.
8.
Retry the connection.
Use a crossover ethernet cable (supplied) for web interface access. You must verify that the ethernet port on your
laptop is powered. If your laptop is on battery power, the ethernet port may be inactive by default. If this is the case,
plug the laptop into a 110 VAC source or change the power settings to enable the ethernet port when the laptop is
using battery power.
In some cases, DNS Server setup is required. To do this, log in as bandone through a SSH or serial connection. After
you have logged in, follow the setup instructions. The DNS Address is the IP address of the modem (enter it in twice).
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Appendix A
Attenuation and Dynamic Range Guidelines
A.1 Donor Port
If a repeater is installed in an area with very strong wanted and/or unwanted signals, ensure that the overall signal
levels are optimized to be within the best operating range of the repeater. Avoid de-sensing of a nearby base station
site. You can accomplish these goals by properly attenuating the antenna port(s) in the path of the donor antenna(s).
Imagine that the particular repeater deployment is electrically moved farther from the base station using attenuators
that are equivalent to increasing the path loss from the donor antenna to the base station.
The following outcomes may result from the use of attenuators on the donor port(s) of the repeater:
•
Uplink output power, as reported by the unit, is reduced by the value of the attenuation, protecting nearby
base stations.
•
Downlink signal-to-noise ratio is high at the point of the attenuator, resulting in slight but negligible
reduction in downlink performance.
•
Other performance is essentially unchanged.
A.2 Server Port
Server port attenuation may also be necessary, particularly where a powered DAS is present. The selection guidelines
below apply to both server and donor ports. Use a signal generator to properly measure uplink signal strength.
If a signal generator is unavailable, place a test call while under the server antenna with the least path loss to the
repeater. This method should provide reasonable data.
The following potential outcomes result from the use of attenuators on the server port(s) of the repeater:
•
Downlink output power, as reported by the unit, is reduced by the value of the attenuation.
•
Uplink incoming power from the DAS is reduced, along with potentially strong and/or harmful out-of-band
signals (including noise) that are generated by the DAS.
Choose accurate attenuator values to ensure that the maximum total power (higher of composite or in-band input)
applied to the donor and server port(s) does not exceed -25 dBm.
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A.3 Dynamic Range Thresholds
Table A-1: Dynamic Range Thresholds
Input Signal
Max Gain
Input Signal
Max Gain
<-45 dBm
-44.3 dBm
-43.6 dBm
-42.9 dBm
-42.2 dBm
-41.5 dBm
-40.6 dBm
-39.7 dBm
-38.8 dBm
-37.9 dBm
-37 dBm
-36.2 dBm
-35.4 dBm
-34.6 dBm
-33.8 dBm
-33 dBm
85 dB
84 dB
83 dB
82 dB
81 dB
80 dB
79 dB
78 dB
77 dB
76 dB
75 dB
74 dB
73 dB
72 dB
71 dB
70 dB
-32.2 dBm
-31.4 dBm
-30.6 dBm
-29.8 dBm
-29 dBm
-28.2 dBm
-27.4 dBm
-26.6 dBm
-25.8 dBm
-25 dBm
-24.4 dBm
-23.8 dBm
-23.2 dBm
-22.6 dBm
-22 dBm
69 dB
68 dB
67 dB
66 dB
65 dB
64 dB
63 dB
62 dB
61 dB
60 dB
59 dB*
58 dB*
57 dB*
56 dB*
≤55 dB*
*We recommend padding this level, due to potential for fluctuating signal.
-25 dBm is the maximum input signal level that can be applied to the repeater, even if the gain is set to 53.5 dB. Input
signals exceeding these thresholds will result in composite input attenuation, or analog-to-digital converter
protection (ADC protect). Output power is reduced whenever the above thresholds are exceeded by reducing the
gain by 1 dB for each 1 dB that the threshold is exceeded. Do not confuse ADC protect with AGC (automatic gain
control), which reduces gain to prevent in-band (measured) output power from exceeding the specified maximum
output level.
Gain levels that would result in exceeding the rated output power of the repeater, e.g. 65dB of gain applied to an
input signal of -30dBm, will not result in ADC protection, but will result in AGC. Avoid continually operating the
repeater in AGC.
To determine the total power applied to the donor and server ports, reference the composite input values as listed
on the System Status page in the web GUI.
A.4 Large Deltas between In-band and Composite Input Signals
Isolate the best donor site to ensure the least possible delta between in-band and composite downlink signals.
If the (downlink) composite input exceeds the in-band input by more than 3 dB Cellular, or more than 5 dB PCS, the
maximum output power will be reduced.
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Appendix B
Band Plans and Filter File Naming Conventions
B.1 Frequency Band Plans
B.1.1
700 MHz Lower A, B and C Band Plan
Figure B-1: : 700 MHz Lower A, B and C Band Plan
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B.1.2
700 MHz Upper C Band Plan
Up Link
(MHz)
776
781.5
787
Dow n Link
(MHz)
746
751.5
757
C0
UL776-787
DL746-757
C1
UL776.5-786.5
DL746.5-756.5
Figure B-2: 700 MHz Upper C Band Plan
B.1.3
Cellular Frequency Band Plan
Figure B-3: Cellular Frequency Band Plan
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B.1.4
AWS Frequency Band Plan
Mobile
(MHz) 1710
Base
2110
(MHz)
1720
1730
1735
1740
1745
1755
2120
2130
2135
2140
2145
2155
F0
B0
A0
UL1710-1720
DL2110-2120
UL1745-1755
DL2145-2155
UL1720-1730
DL2120-2130
C0
E0
D0
UL1730-1735
UL1735-1740
UL1740-1745
DL2130-2135
DL2135-2140
DL2140-2145
A1
A2
B1
F1
F2
UL1710-1715
UL1715-1720
UL1720-1725
UL1725-1730
UL1745-1750
UL1750-1755
DL2110-2115
DL2115-2120
DL2120-2125
DL2125-2130
DL2145-2150
DL2150-2155
B2
Figure B-4: AWS Frequency Band Plan
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B.1.5
Canadian PCS Frequency Band Plan
Uplink
1850
(MHz)
1865
1870
1885
1890
1895
Downlink
1930
(MHz)
1945
1950
1965
1970
1975
A0
B0
UL 1850-1865
DL 1930-1945
UL 1870-1885
DL 1950-1965
UL 1895-1910
DL 1975-1990
E0
D0
A2
A3
UL 185 0-185 5
UL 185 5-186 0
UL 186 0-186 5
DL 193 0-193 5
DL 193 5-194 0
DL 194 0-194 5
1990
C0
F0
UL 1885-1890 UL 1890-1895
DL 1965-1970 DL 1970-1975
UL 1865-1870
DL 1945-1950
A1
1910
B1
B2
B3
C1
C2
C3
UL 187 0-187 5
UL 187 5-188 0
UL 188 0-188 5
UL 189 5-190 0
UL 190 0-190 5
UL 190 5-191 0
DL 195 0-195 5
DL 195 5-196 0
DL 196 0-196 5
DL 197 5-198 0
DL 198 0-198 5
DL 198 5-199 0
Figure B-5: Canadian PCS Frequency Band Plan
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B.1.6
US PCS Frequency Band Plan
Uplink
(MHz) 1850
Downlink
(MHz) 1930
1865
1870
1945
1950
B0
UL 1850-1865
DL 1930-1945
UL 1870-1885
DL 1950-1965
A1
UL 1850-1857.5
DL 1930-1937.5
A3
B2
UL 1857.5-1865
DL 1937.5-1945
A5
A4
UL 185 0-185 5
UL 185 5-186 0
UL 186 0-186 5
DL 193 0-193 5
DL 193 5-194 0
DL 194 0-194 5
B3
UL 1865-1870 UL 187 0-187 5
DL 1945-1950 DL 195 0-195 5
A6 A7 A8
A9 A10 A11 D2
UL 1850-1852.5
DL 1930-1932.5
UL 1852.5-1855
DL 1932.5-1935
UL 1855-1857.5
DL 1935-1937.5
UL 1857.5-1860
DL 1935-1937.5
UL 1860-1862.5
DL 1940-1942.5
UL 1862.5-1865
DL 1942.5-1945
D1 B6 B7
UL 1865-1867.5
DL 1945-1947.5
UL 1867.5-1870
DL 1947.5-1950
1895
1965
1970
1975
B5
UL 187 5-188 0
UL 188 0-188 5
DL 195 5-196 0
DL 196 0-196 5
UL 1870-1872.5
DL 1950-1952.5
UL 1872.5-1875
DL 1952.5-1955
UL 1875-1877.5
DL 1955-1957.5
C2
UL 1877.5-1885
DL 1957.5-1965
B4
B8
1910
1915
1990
1995
UL 1895-1910
DL 1975-1990
B1
UL 1870-1877.5
DL 1950-1957.5
D0
1890
C0
A0
A2
1885
UL 1895-1902.5
DL 1975-1982.5
E0
F0
C3
UL 1885-1890 UL 1890-1895
DL 1965-1970 DL 1970-1975
B9 B10 B11 E2
UL 1877.5-1880
DL 1957.5-1960
UL 1880-1882.5
DL 1960-1962.5
UL 1882.5-1885
DL 1962.5-1965
C1
UL 1902.5-1910
DL
UL 1982.5-1990
1902.5-1910
E1
F2
F1
UL 1885-1887.5
DL 1965-1967.5
UL 1887.5-1890
DL 1967.5-1970
UL 1890-1892.5
DL 1970-1972.5
UL 1892.5-1895
DL 1972.5-1975
DL 1982.5-1990
C4
C5
UL 190 0-190 5
UL 190 5-191 0
UL 189 5-190 0
DL 198 0-198 5
UL 190 0-190 5
DL 198 5-199 0
UL 190 5-191 0
DL 197 5-198 0
DL 198 0-198 5
DL 198 5-199 0
C6 C7
C8
UL 1895-1897.5
DL 1975-1977.5
UL 1897.5-1900
DL 1977.5-1980
UL 1900-1902.5
DL 1980-1982.5
G0
C9 C10 C11 G2
UL 1902.5-1905
DL 1982.5-1985
UL 1905-1907.5
DL 1985-1987.5
UL 1907.5-1910
DL 1987.5-1990
*G block not
currently supported
in CSI repeaters.
Figure B-6: US PCS Frequency Band Plan
B.1.7
Public Safety Bands
Figure B-7: Public Safety Bands
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B.2 Filter File Naming Conventions
B.2.1
700 MHz Filter Naming Convention
Westell Technologies digital repeaters use an alphanumeric file naming convention for its filter files. The descriptions
below will allow you to understand the methodology to determine the desired file for your application.
Table B-1: 700 MHz Filter Naming Convention
Column:
Definition:
Band
Mod
Block 1
type
l=
e=
700MHZ
E-UTRA
10
11
Sub-
Block
Sub-
Block
Sub-
Separator
block 3
Block
Sub-
block 2
block 4
block
A-C
0=Full
A-C
1-7=Sub
0=Full
1-7=Sub
A-C
0=Full
A-C
1-7=Sub
0=Full
12
Variant
0=Standard
1-7=Sub
(Upper) l=
E-UTRA
(Lower)
NOTE
Modulation type determines the guard band at the edges of each passband. The
modulation type field will also be used to indicate a carrier who has a unique subblock designation.
Up to four sub-blocks may be defined, resulting in a maximum filename length.
All variant/guard band designators other than 0 and F are user defined custom filters.
700 MHz examples
llA1B1-0 = (700 MHz band, E-UTRA mod type, Lower A1, B1, with standard guard band). leC0-0 = (700MHz band, EUTRA mod type, Upper C, with standard guard band).
llC1-0 = (700 MHz band, E-UTRA mod type, Lower C1, with standard guard band).
700 MHz upper block
Uplink
Downlink
C0 776-787
746-757
700 MHz upper sub-block
Uplink
Downlink
C1 776.5-786.5
746.5-756.5
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B.2.2
Cellular Filter File Naming Convention
Table B-2: Cellular Filter File Naming Convention
Column:
Definition:
Band
Mod
Block 1 Sub-block
c=CDMA
type
c=Cell g=GSM
Block 2 Sub-block
A-B
0=Full
Block 3 Sub-block
A-B
0=Full
10
Block 4 Sub-block
A-B
0=Full
A-B
0=Full
p=Prime
p=Prime
p=Prime
d=Double
d=Double
d=Double
d=Double
12
Variant
0=Standard
p=Prime
11
Separator
Cell example
ccAdAp-0 = (Cellular band, CDMA mod type, A” and A’ with standard guard band).
Cellular blocks
Uplink
Downlink
A0 825-835
870-880
B0 835-845
880-890
Cellular sub-blocks
Uplink
Downlink
A’ 845-846.5
890-891.5
A” 824-825
869-870
B’ 846.5-849
891.5-894
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B.2.3
Canadian PCS Filter File Naming Convention
Table B-3: Canadian PCS Filter File Naming Convention
Column:
Definition:
Band
Mod
Block 1
Sub-
type
p=PCS u=UMTS
block 1
A-F
See note
0=Full
Block 2 Subblock
A-F
1-3=Sub
0=Full
1-3=Sub
Block 3 Sub-
Block 4
block 3
A-F
0=Full
1-3=Sub
A-F
10
Subblock
0=Full
1-3=Sub
11
12
Separator
Variant
can=
Custom
Canadian
filter
Canadian PCS example
puE0F0-can = (PCS band, UMTS mod type, E full, F full, Canadian Custom filter).
Canadian PCS blocks
Uplink
Downlink
A0 1850-1865
1930-1945
D0 1865-1870
1945-1950
B0 1870-1885
1950-1965
E0 1885-1890
1965-1970
F0 1890-1895
1970-1975
C0 1895-1910
1975-1990
Canadian PCS sub-blocks
Uplink
Downlink
A1 1850-1855
1930-1935
A2 1855-1860
1935-1940
A3 1860-1865
1940-1945
B1 1870-1875
1950-1955
B2 1875-1880
1955-1960
B3 1880-1885
1960-1965
C1 1895-1900
1975-1980
C2 1900-1905
1980-1985
C3 1905-1910
1985-1990
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B.2.4
US PCS Filter File Naming Convention
Table B-4: US PCS Filter File Naming Convention
Column:
Definition:
Band
Mod
g=gsm
type
p=PCS
10
11
Block 1 Sub-block Block 2 Sub-block Block 3 Sub-block Block 4 Sub-block Separator
A-F
0=Full
A-F
1-11=Sub
0=Full
1-11=Sub
A-F
0=Full
1-11=Sub
12
Variant
A-F
0=Full
0=Standard
1-11=Sub
US PCS example
pcA1C0E0F2-0 = (PCS band, CDMA mod type, A1, C full, E full, F2 with standard guard band).
US PCS blocks
Uplink
Downlink
A0 1850-1865
1930-1945
D0 1865-1870
1945-1950
B0 1870-1885
1950-1965
E0 1885-1890
1965-1970
F0 1890-1895
1970-1975
C0 1895-1910
1975-1990
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US PCS sub-blocks
Uplink
Downlink
A2 1850-1857.5
1930-1937.5
A1 1857.5-1865
1937.5-1945
A3 1850-1855
1930-1935
A4 1855-1860
1935-1940
A5 1860-1865
1940-1945
D2 1865-1867.5
1945-1947.5
D1 1867.5-1870
1947.5-1950
B2 1870-1877.5
1950-1957.5
B1 1877.5-1885
1957.5-1965
B3 1870-1875
1950-1955
B4 1875-1880
1955-1960
B5 1880-1885
1960-1965
E2 1885-1887.5
1965-1967.5
E1 1887.5-1890
1967.5-1970
F2 1890-1892.5
1970-1972.5
F1 1892.5-1895
1972.5-1975
C2 1895-1902.5
1975-1982.5
C1 1902.5-1910
1982.5-1990
C3 1895-1900
1975-1980
C4 1900-1905
1980-1985
C5 1905-1910
1985-1990
NOTE
Modulation type determines the guard band at the edges of each passband. The
modulation type field will also be used to indicate a carrier who has a unique sub-block
designation.
Up to four sub-blocks may be defined, resulting in a maximum filename length.
All variant/guard band designators other than 0 and F are user defined custom filters.
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B.2.5
Column:
Definition:
AWS Filter Naming Convention
Band
Mod type
Block 1 Sub-block
a=AWS
g=gsm
c=CDMA
A-F
0=Full
Block 2 Sub-block
A-F
1-2=Sub
0=Full
1-2=Sub
Block 3 Sub- block
10
Block 4 Sub-block
0=Full
1-2=Sub
12
Variant
0=Standard
A-F
11
Separator
A-F
0=Full
1-2=Sub
w=WCDMA
e=E-UTRA
l=LTE
u=UMTS
AWS example
acA1C0E0F2-0 = (AWS band, CDMA mod type, A1, C full, E full, F2 with standard guard band).
AWS blocks
Uplink
Downlink
A0 1710-1720
2110-2120
B0 1720-1730
2120-2130
C0 1730-1735
2130-2135
D0 1735-1740
2135-2140
E0 1740-1745
2140-2145
F0 1745-1755
2145-2155
AWS sub-blocks
Uplink
Downlink
A1 1710-1715
2110-2115
A2 1715-1720
2115-2120
B1 1720-1725
2120-2125
B2 1725-1730
2125-2130
F1 1745-1750
2145-2150
F2 1750-1755
2150-2155
NOTE
Modulation type determines the guard band at the edges of each passband. The
modulation type field will also be used to indicate a carrier who has a unique sub-block
designation.
Up to four sub-blocks may be defined, resulting in a maximum filename length of 12 characters. All variant/guard band
designators other than 0 are user defined custom filters.
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Appendix C
C.1
Mechanical Configurations
Digital Repeater Mechanical Drawings
Figure C-1: Digital Repeater Drawing
C.2 Digital Repeater Mounting Drawings, Modular Series High Power
The following diagrams illustrate methods for mounting the repeater(s) in typical wall mount and rack installations.
Brackets are provided for both options.
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C.2.1
Wall Mounting
Install the wall mount brackets as shown in the drawing. Mark the location of the wall anchoring holes and drill. The wall
anchoring system you use for the repeater will need to be able to support at least 46 lbs (21 kg). Install wall anchors and
hang repeater as shown.
Figure C-2: Install Wall Mounting Brackets
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C.2.2
19” Relay Rack Mounting
Mount the repeater as shown in Figure C-3 and secure the front panel with screws.
IMPORTANT
Westell Technologies digital repeaters must be supported in the 19” relay rack
system with a shelf. Do not rely on the front panel mount exclusively to support
all of the unit.
Figure C-3: Rack Mounting
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C.2.3
19” Four Post Rack Mounting
Install slide brackets on repeater as shown in Figure C-4 using the tapped holes provided. Slide the repeater into the
receiving brackets and secure with screws.
IMPORTANT
Westell Technologies digital repeaters must be supported in the 19” relay rack
system with a shelf. Do not rely on the front panel mount exclusively to support
all of the unit.
Figure C-4: 19” Four Post Rack Mounting
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Appendix D
Mechanical and Electrical Specifications
D.1 Mechanical Specifications
Table D-1: Mechanical Specifications
Parameters
Specifications Notes
Repeater size
5.25 in
Height Weight Depth
19 in
3 RU
20 in
Weight
31 lbs (14.1
Thermal management
Fan cooled
Surface coating
Powder coat
Color
Satin black
D.2 AC Power Specifications
Table D-2: AC Power Specifications
Parameters
Specifications Notes
AC voltage
100-240 VAC
External power supply
AC current
2.0 amps
@ 120 VAC
1.0 amps
@ 230 VAC
AC power frequency
47-63 Hz
Heat output
800 BTU/Hr
D.3 Environmental Requirements
Table D-3: Environmental Requirements
Parameters
Specifications
Notes
Temperature range 0° C to 50° C (32° F to 122° F)
Relative humidity
5% to 95%
Non-condensing
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D.4 Operating Power Parameters
Table D-4: Operating Power Parameters
Parameters
Specifications
Notes
Maximum RF input power without damage 10 dBm
Linear gain
90 dB
Factory calibrated gain
Pass band ripple
±1.5 dB
Automatic gain control (AGC)
30 dB max range In 0.5 dB steps
Manual gain control
58.5 dB to 90 dB In 0.5 dB steps
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Table D-1: Operating Power Parameters, continued
Parameters
Specifications
Notes
Linear output power:
U7C/Cell DL & U7C/Cell UL
U7C 36 dBm/Cell 36 dBm, & U7C 29 dBm/Cell 29 dBm,
Cell/PCS DL & Cell/PCS UL
Cell 36 dBm/PCS 36 dBm & Cell 29 PCS 28 dBm
PS8 DL & PS8 UL
PS8 36 dBm & PS8 29 dBm
AWS DL & AWS UL
AWS 36 dBm & AWS 29 dBm
LTE DL & LTE UL
LTE 36 & LTE 29 dBm
OIP3:
U7C/Cell DL & U7C/Cell UL
57 dBm
41 dBm
Cell/PCS DL & Cell/PCS UL
57 dBm
41 dBm
PS8 DL & PS8 UL
57 dBm
41 dBm
AWS DL & AWS UL
57 dBm
41 dBm
LTE DL & LTE UL
57 dBm
41 dBm
Noise figure (Avg)
6.0 dB
Input VSWR (Typ)
<2.0:1
Propagation delay
<2.5 usec
RMS vector error (EVM):
U7C/Cell
3% max
Cell/PCS
3% max
AWS
3% max
LTE
3% max
CDMA RHO:
Measured with two CW
tones at
14 dBm/tone
At maximum gain
TDMA, EDGE, W-CDMA,
CDMA2000
CDMA2000, 1x-EVD0
U7C/Cell
0.98 min
Cell/PCS
0.98 min
AWS
0.98 min
LTE
0.98 min
Connectors
N-female
Two to four depending on
configuration
Spurious emissions and
applicable documents:
-13 dBm max
Per FCC part 2, 22, 24
-13 dBm max
FCC / ISEDC
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Appendix E
Port Configurations
E.1 Dual-band D2:D1 Port Configuration
Input: Two single-band duplex ports, one from the low-band donor antenna and one from the high-band donor
antenna.
Output: One dual-band duplex port to the server antennas.
Figure E-1: Dual-band D2:D1 Port Configuration
E.2 Dual-band D1:D2 Port Configuration
Input: One dual-band duplex port from dual-band donor antenna.
Output: Two single-band duplex ports, one to the low-band server antennas and one to the high-band server
antennas.
Figure E-2: Dual-band D1:D2 Port Configuration
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E.3 Dual-band D2:D2 Port Configuration
Input: Two single-band duplex ports, one from the low-band donor antenna and one from the high-band donor
antenna.
Output: Two single-band duplex ports, one to the low-band server antennas and one to the high-band server
antennas.
Figure E-3: Dual-band D2:D2 Port Configuration
E.4 Dual-band D1:D1 Port Configuration
Input: One dual-band duplex port from dual-band donor antenna.
Output: One dual-band duplex port to dual-band server antennas.
Figure E-4: Dual-band D1:D1 Port Configuration
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Appendix F
Acronyms and Abbreviations
Table F-1 is a list of acronyms and abbreviations used in this manual.
Table F-1: Acronyms and Abbreviations
Acronym/Abbreviation
Definition
AGC
Automatic Gain Control
APC
Automatic power control
AUI
Attachment Unit Interface
CPU
Central Processing Unit
DAS
Distributed Antenna System
DHCP
Dynamic Host Configuration Protocol
DSP
Digital Signal Processing
EEPROM
Electrically Erasable Programmable Read Only Memory
EIA
Electronic Industries Association
ERP
Effective Radiated Power
FCC
Federal Communications Commissions
FCS
Feedback
FPGA
Field Programmable Gate Array
GUI
Graphical User Interface
LED
Light Emitting Diode
OIP3
Third-Order Intercept Point
RF
Radio Frequency
RBW
Resolution Bandwidth
SBC
Single Board Computer
SNMP
Simple Network Management Protocol
SSH
Secure Shell, Network Protocol
TMI
Text Menu Interface
UHCI
Universal Host Controller Interface
USB
Universal Serial Bus
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