General Dynamics Broand NODEBRK Wireless Broadband Base Station User Manual
General Dynamics Broadband, Inc. Wireless Broadband Base Station Users Manual
Users Manual
Node B Rack Mount Installation Guide
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Node B V4 Rack Mount
Installation Guide
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Information in this document and the products described are subject to change
without notice.
2000-2004 IPWireless, Inc. All rights reserved.
Reproduction, alteration, or distribution in any manner whatsover without the written
permission of IPWireless Inc, is strictly forbidden.
Trademarks used in this text: the IPWireless logo, icon and IPWireless Broadband Modem
are trademarks of IPWireless, Inc.; Microsoft, Windows, and Windows NT are registered
trademarks of Microsoft Corporation.
Other trademarks and trade names may be used in this document to refer to either the
entities claiming the marks and names or their products, IPWireless, Inc., disclaims any
proprietary interest in trademarks and trade names other than its own.
July 2004 Part No. IPW-0879
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Table of Contents
1. Release Version.............................................................................................................5
2. Safety Precautions .........................................................................................................6
3. General Warnings ..........................................................................................................6
4. Overview ........................................................................................................................7
5. General Specifications ...................................................................................................8
6. Installation....................................................................................................................13
Step 1 Pre-Installation......................................................................................... 13
Step 2 Parts Shipped & Tools Required ..........................................................14
Step 3 Site Preparations for Node B Installation ............................................18
Step 4 Mounting Installations............................................................................. 21
Step 5 Ground Installation.................................................................................. 23
Step 5 Ground Installation.................................................................................. 24
Step 6 DC Power Connection-Digital ............................................................... 25
Step 7 DC Power Connection-Radio ................................................................ 26
Step 8 Inter-Shelf Connections.......................................................................... 27
Figure 6-13: Interface Cable Connection – V4B & V4C ................................ 28
Step 9 Backhaul Connections (Iub) to INC...................................................... 29
Step 9 Backhaul Connections (Iub) to INC...................................................... 29
Step 10 Antenna Cabling - Installation.............................................................32
Step 11 Alarm Connections ...............................................................................33
Step 12 GPS Installation & Operation..............................................................35
Step 13 TTLNA Interfaces.................................................................................. 37
7. APPENDIX...................................................................................................................38
Appendix A - Installation Check Card............................................................... 38
Appendix B – Outdoor Cabinet Specification Requirements........................39
Appendix C – Glossary ....................................................................................... 40
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Table of Tables
Table 2-1 : Safety Sumbols....................................................................................................6
Table 5-1 : Specifications.......................................................................................................8
Table 5-2 : Node B Model Types..........................................................................................10
Table 6-1 : Digital Shelf - Packing List..................................................................................14
Table 6-2 : Radio Shelf - Packing List...............................................................................15
Table 6-3 : Tools Required...................................................................................................17
Table 6-4 : Materials Required.............................................................................................17
Table 6-5 : Site Preparation Checklist..................................................................................18
Table 6-6 : Ethernet Pin-outs using RJ45.............................................................................30
Table 6-7 : T1/E1 Pin-outs ...................................................................................................31
Table 6-8 : Alarm Inputs.......................................................................................................34
Table 6-9 : Alarm Outputs ....................................................................................................34
Table of Figures
Figure 5-1 : Node B Rack Mount – Digital Shelf Physical Dimensions ...................................8
Figure 5-2 : Node B Rack Mount – RF Shelf Physical Dimensions ........................................9
Figure 5-3 : General Description – Front View .....................................................................10
Figure 5-4 : Digital Shelf Faceplate ......................................................................................11
Figure 5-5 : Radio Shelf Faceplate .................................................................................12
Figure 6-1 : Sales Pack Crate – Digital & Radio Shelf Packages....................................15
Figure 6-2 : Digital Shelf Package + Contents .................................................................16
Figure 6-3 : Radio Shelf Package + Contents ..................................................................16
Figure 6-4 : Node B Rack Mount – Single Support Shelf (all cables shown).................19
Figure 6-5 : Node B Rack Mount – Double Support Shelf (all cables shown) ...............19
Figure 6-6 : Mounting Rack + Support Shelves/Rails...........................................................21
Figure 6-7: Installing Digital Shelf ....................................................................................22
Figure 6-8 : Installing Radio Shelf ........................................................................................23
Figure 6-9 : Earth Connection on the rear of each shelf.......................................................24
Figure 6-10 : Power Connection to the digital shelf ..............................................................25
Figure 6-11 : Power Connection to the radio shelf ...............................................................26
Figure 6-12: Interface Cable Connection – V4A...................................................................27
Figure 6-13: Interface Cable Connection – V4B & V4C........................................................28
Figure 6-14 : Backhaul Connections ..........................................................................29
Figure 6-15 : Ethernet Pin-outs using RJ45 .........................................................................30
Figure 6-16 : Antenna Connections & Routing ................................................................32
Figure 6-17 : Alarm Outputs & Inputs...................................................................................33
Figure 6-18 : GPS Antenna..................................................................................................35
Figure 6-19 : GPS Antenna Connection ...........................................................................36
Figure 6-20 : TTLNA Connections ....................................................................................37
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1. Release Version
Date Version Author Reason For Change Issue
27th August 2004 0.0.0 L. Mujegu Draft
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2. Safety Precautions
Table 2-1 : Safety Sumbols
GENERAL WARNING ELECTRICAL HAZARD GROUND
GENERAL SAFETY
PRECAUTION
VOLTAGE:
Care should be taken when
servicing this area. Misuse or
inappropriate contact with
these areas could result in
physical harm and property
damage
GROUND:
Site for grounding equipment
These cautionary signs are used on the equipment and within this manual. For safety of
personnel and protection of equipment observe these precautions when installing, operating
or servicing the equipment and surrounding areas.
3. General Warnings
Electrical
Power Supply – the power cords supplied are for DC. DO NOT adapt to a different
configuration.
Power supply circuits may carry high voltages. Remove rings, watches, and other jewellery
before working with this type of equipment.
Batteries – Certain installation of this equipment require working with lead acid batteries,
batteries present chemical, electric and gaseous hazards. Batteries are not supplied by
IPWireless for the Node B equipment although UPS systems may be coupled with the Node
B equipment in order to provide back up power in case of power outages.
Physical
Weight – The RF or Digital shelves of the Rack Node B can weigh up to 20kgs (44 pounds)
each depending on configurations. Precautions should be taken, depending on the
installation site conditions, in lifting and general handling the device.
Environmental
There are different precautions to take within each installation situation. Specific
precautions are listed in the installation section for that situation.
Site Location
The Node B Rack Mount basestation is designed to be installed in restricted access
locations only. The site locations are accessible by suitably trained service/installation
personnel only.
Network Connections
The Node B Rack Mount basestation is NOT suitable for direct connection to Public
Switched Networks. This means that the Node B is NOT suitable for direct connection to
TNV circuits.
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4. Overview
Node B is the European Technical Standards Institute’s (ETSI) name for the radio base
station. The basic function of the Node B is to convert 100 Base T packet data into the
UTRAN TD-CDMA air interface used between the Node B and the 3G Modem. The Node B
can be configured to operate in configurations ranging from a single sector or omni mode, up
to a 6 sector arrangement. One Node B is required for each sector of coverage, in the case
of an omni configuration one Node B will be required. The Node B is controlled by an INC
(Integrated network Controller) generally co-located at the site possibly in a separate
cabinet.
The Node B supports both 768 mega chips (10MHz) and 385 mega chips (5MHz) without
hardware modification.
Scope
This document covers the physical installation and mounting of the Node B Rack Mount in a
rack installation. It contains the specific mounting requirements for installing within a rack,
specifications for the rack are outside the scope of this guide.
Where the Node B Rack Mount is required to be installed in an outdoor configuration, the
specific requirements for the outdoor enclosure are listed in appendix B.
The manual does not detail custom or specialised installations or applications.
Additionally, antenna rigging/mounting, lightning protection, tower work, feeder installation /
termination are all considered to be outside the scope of this guide.
If in any doubt about the suitability of this guide to successfully install at the proposed
location, then please consult IPWireless technical support for assistance.
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5. General Specifications
Table 5-1 : Specifications
Figure 5-1 : Node B Rack Mount – Digital Shelf Physical Dimensions
Unit Specification
Rack Specifications 19inch Mounting Racks with support shelves
Front Securing
Measurements Digital Shelf: 178 H / (4U) x 483 W x 300 D mm
RF Shelf: 222 H/(5U) x 483 W x 300 D mm
Measurements with front handles & cable Digital Shelf: 178 H / (4U) x 483 W x 450 D mm
RF Shelf: 222 H/(5U) x 483 W x 450 D mm
Node B Weight Digital Shelf: 13Kgs / 28 lbs
RF Shelf: ≤21kgs / 44 lbs
Power Consumption
Digial Shelf: 80 Watts max (2Amp Fused)
RF Shelf: 150 Watts max +34dBm – non-TxD (4Amp Fused)
RF Shelf: 310 Watts max +37dBm – non-TxD (7Amp Fused)
RF Shelf: 310 Watts max +34dBm – TxD (7Amp Fused)
RF Shelf: 600 Watts max +37dBm – TxD (12.5Amp Fused)
Note: Fuse Size: ( ¼ x 1 ¼ inch) / (6.3 x 32 mm)
Input Power Nominal -48 V DC
Input Range -36V to -70V DC
Ambient Operational Environment
-5ºC to +55ºC
0 to 95% Relative Humidity- Non-condensing
IP20 – IEC529
No water or Ice precipitation
Cooling Forced Convection – Fan Assisted
Intact front – Exhaust rear
Operating Frequencies MMDS 2500 MHz – 2700 MHz
UMTS 1900MHz – 2100MHz
3400MHz – 3600MHz
Connections - External
Antenna – DIN 7/16 Female
GPS – N-type Female
Power Circular Connectors – cables provided
Ethernet – RJ45
E1/T1 – RJ45
E3/T3 – BNC
Alarm – 15wayD & 9wayD
Earthing – M8 Bolt hole @ rear of each shelf
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Figure 5-2 : Node B Rack Mount – RF Shelf Physical Dimensions
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Table 5-2 : Node B Model Types
TxD
+34dBm
TxD
+37dBm
Non-TxD
+34dBm
Non-TxD
+37dBm
Node B Frequency
1900-1905 MHz √
1905-1910 MHz √
1910-1915 MHz √
1915-1920 MHz √
2053-2082 MHz √
2010-2015 MHz √
2500-2686 MHz √
3480-3580 MHz √
Figure 5-3 : General Description – Front View
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The Digital shelf has the following interfaces on the front
Mains DC supply
Shelf interfaces to RF Shelf(s)
IUB Interfaces – Ethernet, E1, T1, E3 / T3
Alarm Interfaces – input & output
LCD Display – Touch Sensitive
LMT & Debug ports
On the rear the earth point and access to the fans.
Figure 5-4 : Digital Shelf Faceplate
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The Radio shelf has the following interfaces.
Mains DC supply
Shelf interfaces to Digital Shelf
Antenna Ports
Status – LEDs
On the rear the earth point and access to the fans.
Figure 5-5 : Radio Shelf Faceplate
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6. Installation
This section describes the steps to be followed to physically install the Node B.
The Rack Mount installation has 2 basic physical configurations V4A or V4B/V4C
Installation. Note while there is different functionality between V4B and C the physical
configuration is the same.
This section shall describe both configurations.
Step 1 Pre-Installation
The following are the initial checks that should be carried out to ensure that preparation for
the installation is complete.
For Installation Check Card please see Appendix A at the back of this manual.
1. Review site construction drawings to determine if site was constructed
according to the drawings.
2. Review drawings and actual installation to determine location of Node B
installation.
3. Check availability of electrical, grounding and antenna connections.
4. Complete site survey.
5. Check structural strength of mounting rack or frame including shelves/rails to
support Node B total weight of 35kgs (77lbs) or multiples if a multi-sector
installation.
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Step 2 Parts Shipped & Tools Required
This section reviews the parts, ancillary materials and tools required to install the Node B.
Use this checklist (Table 6-1) to check quantity and quality of parts as they are unpacked: -
The Node B unit is packaged with the following items, the packing list on the inside top of the
packing shall list these items.
The crate Figure 6-1contains two cartons the top/first carton is the digital or baseband shelf,
the bottom is the RF or radio shelf. The carton is packed to facilitate the intended sequence
of installation. The figure below shows the sequence of removal from the packing.
Table 6-1 : Digital Shelf - Packing List
# Description Qty
Digital Shelf Package - contents
1 Node B Digital/Baseband Shelf Unit 1
2 GPS Antenna Kit incl Mounting
contains:
1 x gps antenna
1 x gps antenna mounting
1
3 Alarm Connector Kit
contains:
1 x 15wayD conn+backshell
1 x 9wayD conn+backshell
1
4.1 Shelf Interface Kit – RF1 – V4A
contains
1 x Baseband cable – 21wayD-hybrid
1 x Control Cable – 25wayD
1 x PSU control cable – 3way
1
4.2 Shelf Interface Kit – RF2 – V4B & V4C
contains
1 x Baseband cable – 21wayD-hybrid
1 x Control Cable – 25wayD
1 x PSU control cable – 3way
4.3 Shelf Interface Kit – RF3 – V4B & V4C
contains
1 x Baseband cable – 21wayD-hybrid
1 x Control Cable – 25wayD
1 x PSU control cable – 3way
5 Power Connection Kit-Digital
contains
1 x power connection – digital
6 Earth Fixing Kit
contains:
1 x M8 Nut
1 x M8 Spring Washer
2 x M8 Plain Washer
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Table 6-2 : Radio Shelf - Packing List
# Description Qty
Radio Shelf Package
1 Radio Shelf Unit 1
2 Power Connection Kit-Radio
contains
1 x power connection – radio
1
3 Earth Fixing Kit
contains:
1 x M8 Nut
1 x M8 Spring Washer
2 x M8 Plain Washer
1
Figure 6-1 : Sales Pack Crate – Digital & Radio Shelf Packages
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Figure 6-2 : Digital Shelf Package + Contents
Figure 6-3 : Radio Shelf Package + Contents
KITS-Digital Shelf
1. Earth Kit
2. GPS Kit
3. Alarm Kit
4. Power Connection Kit-Digital
5. Shelf Interface Kit
(
s
)
KITS-Radio Shelf
1. Earth Kit
2. Power Connection Kit-Radio
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In addition to standard construction equipment, the following tools and materials should be
available prior to installation:
Table 6-3 : Tools Required
Tools Description
Basic telecommunications tool kit Includes screwdriver, socket wrenches, etc.
Voltmeter Fluke meter
Cable Stripper & Crimper RJ 45 crimper connector
Ethernet cable test set Test for all Ethernet cables
Compass or Handheld GPS with signal indicator Test for GPS signal at site location
Table 6-4 : Materials Required
Material Description
CAT5 - 4 pair, double screened cable, recommended
Alcatel LANmark-5 F2TP or equivalent IUB / LMT / T1 / E1 Cable
RJ45 Connectors IUB / LMT / T1 / E1 Connections
CAT5 - 4 pair, double screened cable, recommended
Alcatel LANmark-5 F2TP or equivalent Alarm distribution cable
10 mm2 maximum Ground cable Grounding termination
M8 ring terminal Grounding termination
BNC Right Angle Connectors Connectors for E3/T3 Connections
RG59 B/U-LSF and UV stabilised or equivalent Cable for E3/T3 Connections
Rack mounting 8 off Cage nuts + Screws – note these
are required to secure the shelves to the rack
typically M6 Thread screws, washers & rack
cage nuts
Rack/Cabinet or Enclosure Installation and/or site specific
Shelf Supports or rails Specific to rack/cabinet or enclosure
DIN 7/16 antenna connections Connectors specific to antenna cable chosen
Antenna Cable Site specific selection
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Step 3 Site Preparations for Node B Installation
The section specifies the facilities that need to be available at the site prior to installation. The
table below is a site checklist that should be completed prior to installation.
It is assumed that the site has already been selected from RF network planning and site
acquisition/permission has been granted.
Table 6-5 : Site Preparation Checklist
# Facility Complete
Yes/No
1 Mains power supply –48Vdc
2 Availability of suitable Ethernet, E1, T1, E3 or T3 Interfaces
3 connections and trunking/conduits for interfaces
4 Suitable earth
5 Rack or cabinet suitable to mount the NodeB
6 Clearance around the NodeB for cable entry and cooling
- see figure below
Assumptions
It is assumed that prior to Node B installation all civil, electrical distribution, structured
cabling termination work has been completed.
Additionally, all antenna rigging, feeder runs and terminations, associated lightning
protection plus grounding is complete, with certification for safety / compliance issued as
required by local regulations.
It is also strongly recommended that all VSWR plots of the feeder / antenna installations
should be available for inspection.
Positioning the Node B with a rack or cabinet
The digital and RF shelves of the rack mount may be mounted on a single shelf/shelf
support as a pair (Figure 6-4) or can be mounted into the rack on separate shelves or
shelf supports (Figure 6-5).
The RF shelf needs to be on the top with the digital shelf beneath. The maximum vertical
distance between the shelves shall be not more than 1U (44mm or 1 ¾”).
Selection of a suitable position for the Node B shall be done by surveying possible sites
with regard to the availability of facilities i.e. power, relative position to the INC and
consulting the site plans.
The Node B directly connected to the INC should be sited not more than 100m from the
INC using Shielded Category 5 Ethernet cable as specified.
Care should be taken to position the Node B for easy front and rear access.
The Node B will need to be connected near the feeder terminations and earthing points
provided on site.
Where the Node B is installed using a microwave link ensure that the microwave link can
support the Ethernet requirements for the IUB interface i.e. 10 or 100 Mbps / full / half
duplex as the Node B and INC. If not the Node B and INC may need to be configured
manually to support different configuration.
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Figure 6-4 : Node B Rack Mount – Single Support Shelf (all cables shown)
Figure 6-5 : Node B Rack Mount – Double Support Shelf (all cables shown)
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General Considerations
The following consideration and checks are applicable to all mounting types :-
The NodeB rack mount is designed for indoor use only refer to Table 5-1.
Review the GPS installation guidelines (step 12) to ensure that the location will allow
proper operation of the Node B GPS remote antenna. i.e. a Southern Exposure is
required for outside installations (Northern Hemisphere), a GPS repeater may be
necessary in areas where the active GPS antenna cannot reach.
There should be a minimum clearance of 100mm in front and behind the Node B rack
mount (Figure 5-1 & Figure 5-2) for cable routing, air intake/exhaust and access to fans
at the rear.
Ensure that the rack or cabinet is sufficiently strong to support the Node B or multiples.
The Node B requires un-restricted airflow front for air inlet to the rear for air exhaust (see
figures 5-1 & 5-2).
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Step 4 Mounting Installations
This section explains how to mount the Node B Rack Mount shelves into racks.
Mounting Rack
The figure below illustrates the 19inch mounting rack plus support shelves, some racks or
cabinets can use support rails. This construction can be within an enclosure or cabinet.
The support shelves or rails are specific to the rack, enclosure or cabinet being installed,
thus their specification shall be part of same selection.
Figure 6-6 : Mounting Rack + Support Shelves/Rails
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Precautions
The following precautions and checks are applicable to all mounting types:-
Connectors have been manufactured to fit their specific cables and funcition. Do not
modify or force connectors.
Check Site Plans for engineering approval.
Ensure that good ground resistance is available at the installation site (≤10Ω)
Where installed in an outdoor enclosure attention should be paid to cooling and
water+dust sealing prevention refer to Table 5-1.
Rack Mounting – Installing Digital Shelf
Ensure the shelf or shelf supports are secure, then insert the digital shelf into the rack and
secure from the front.
Notes:
If there is no rear access it may be required to make the ground connection prior to
inserting the shelf into the rack.
Where additional securing is required at the rear this shall require custom brackets
depending on the rack specifications/construction.
Figure 6-7: Installing Digital Shelf
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Rack Mounting – Installing Radio Shelf
Ensure the shelf or shelf supports are secure, then insert the radio shelf into the rack and
secure from the front.
Notes:
If there is no rear access it may be required to make the ground connection prior to
inserting the shelf into the rack.
Where additional securing is required at the rear this shall require custom brackets
depending on the rack specifications/construction.
Figure 6-8 : Installing Radio Shelf
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Step 5 Ground Installation
The main Node B ground cable shall use a minimum #2 AWG (Diameter 6.6mm or CSA
33mm2) stranded wire or equivalent earth braid.
The ground cable is terminated on the rear of both shelves of the Node B Rack Mount using
terminal that shall fit the M8 (7/16”) stud on the rear of each shelf.
The grounding wire is terminated onto the site grounding ring.
It should be noted that each site shall be designed for specific site, country or local
installation requirements.
CAUTION: Ensure that the earth braid or cable is bonded to a common earth with
equipment that is co-located with the Node B.
Figure 6-9 : Earth Connection on the rear of each shelf
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Step 6 DC Power Connection-Digital
The power supply input must be a nominal -48Vdc input, refer to Table 5-1.
The connection of the mains to DC supply is via the cable provided as part of the digital shelf
package.
The provided cable assembly has 3 metres of cable with a connector to provide connection
to the digital shelf. The tail ends of the cable are stripped and must be terminated to a
permanent connection junction/terminal block. The length of the cable may be shortened to
facilitate.
Notes:
Only the cable provided with the digital shelf should be used.
The connector is keyed to prevent wrong insertion.
Figure 6-10 : Power Connection to the digital shelf
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Step 7 DC Power Connection-Radio
The power supply input must be a nominal -48Vdc input, refer to Table 5-1
The connection of the mains to DC supply is via the cable provided as part of the radio shelf
package.
The provided cable assembly has 3 metres of cable with a connector to provide connection
to the radio shelf. The tail ends of the cable are stripped and must be terminated to a
permanent connection junction/terminal block. The length of the cable may be shortened to
facilitate.
Note: Only the cable provided with the radio shelf should be used.
Figure 6-11 : Power Connection to the radio shelf
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Step 8 Inter-Shelf Connections
The digital shelf is supplied with the shelf interface kit that contains the following items
• I/Q interface cable – 21wayD-hybrid
• Control interface cabe – 25wayD
• PSU control cable – 3way
The figure below illustrates the connection of each of these cables between the digital and
radio shelf.
Figure 6-12: Interface Cable Connection – V4A
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The figure below illustrates the front connections of power, antenna and inter-shelf cables
between the digital and radio shelves for the V4B and V4C configurations.
Figure 6-13: Interface Cable Connection – V4B & V4C
GRAPHIC
TO BE
ADDED
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Step 9 Backhaul Connections (Iub) to INC
The Digital Shelf faceplate contains the backhaul connections. The installation can be
selected from the following interfaces
100BaseT
E3/T3
E1/T1
The connections are labeled and shown in the figure below.
Note: If the Node B is in not in the same site location as the serving INC, there must be no
greater than a 5 millisecond delay on the backhaul connection. This can be provided by
microwave or land based facilities with a reliability rate of 99.9995%.
Figure 6-14 : Backhaul Connections
OR
OR
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100BaseT Connection - (Eth)
Terminate the Ethernet cables with RJ45 connectors and the cables may be secured to the
brackets on the face of the Digital Shelf (Figure 6-14). Test the continuity for the Ethernet cables
with test equipment consisting of a main and a remote unit.
The termination for these interfaces is specified within the datasheets for the interfaces. The
specification for both cables should be CAT5 - 4 pair, screened cable, recommended Alcatel
LANmark-5 F2TP or equivalent (to add alternatives).
Notes: Points to remember when installing Category 5 cables for the Node B 100Base T
Ethernet Backhaul.
1. Do not kink the cable as the pairs are twisted to support 100Mhz operation and splitting the
pairs could reduce the performance of the cable.
2. When installing the RJ45 plugs onto the cable ensure pairs are untwisted to the minimum
and that the cable sheath is clamped within the connector. Again this is to ensure the
performance of the cable is not reduced.
The pin-outs for the external Ethernet interfaces are given in the following table & figure.
Source: http://www.dcbnet.com/notes/9611t1.html
Table 6-6 : Ethernet Pin-outs using RJ45
1 RX + White w/Green
2 RX - Green
3 TX + White w/Orange
4 Blue
5 White w/Blue
6 TX - Orange
7 White w/Brown
8 Brown
Figure 6-15 : Ethernet Pin-outs using RJ45
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E3/T3 Connections – (Tx + Rx)
Terminate the E3/T3 cables with BNC connectors and the cables may be secured to the brackets
on the face of the Digital Shelf (Figure 6-14). Test the continuity for the E3/T3 cables with test
equipment consisting of a main and a remote unit.
The termination for these interfaces is specified within the datasheets for the interfaces. The
specification for both cables should be 75Ω.
E1/T1 Connections – (1 to 4)
Terminate the E1/T1 cables with RJ45 connectors and the cables may be secured to the brackets
on the face of the Digital Shelf (Figure 6-14).
Test the continuity for the E1/T1 cables with test equipment consisting of a main and a remote
unit. The pinouts for this interface are shown in the table below.
The termination for these interfaces is specified within the datasheets for the interfaces. The
specification for both cables should be CAT5 - 4 pair, screened cable, recommended Alcatel
LANmark-5 F2TP or equivalent.
Table 6-7 : T1/E1 Pin-outs
T1 Pinouts Cable E1 Pinouts
1 Rx (ring) White w/Green Rx (ring) 1
2 Rx (tip) Green Rx (tip) 2
3 Not used White w/Orange Not used 3
4 Tx (ring) Blue Tx (ring) 4
5 Tx (tip) White w/Blue Tx (tip) 5
6 Not used Orange Not used 6
7 Not used White w/Brown Not used 7
8 Not used Brown Not used 8
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Step 10 Antenna Cabling - Installation
Antennas and coaxial cable should be available at the site, and are part of the construction
checklist and general assumptions.
Two antennae per Node B Radio Shelf are optimum, allowing receiver diversity and transmit
diversity (note: if option fitted), therefore two coaxial cables per Node B are needed. Diversity can
be via polarization, in which case two feeder runs to the same antenna are needed, feeding
oppositely polarised sectors in the same physical enclosure.
Cables should be properly marked to indicate what antenna the coaxial cables are to be
connected to the Node B serving the sector or area.
In the case where only one feeder / antenna is being used, this must be connected to the top
connector when viewed from the front of the Node B.
The following installation describes the position of the antenna ports and designations.
Figure 6-16 : Antenna Connections & Routing
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Step 11 Alarm Connections
If local alarms are to be utilised two Dtype connectors are been provided on the Node B
digital shelf. The specifications for those interface requirements are below:-
The maximum input voltage is restricted to 39V for a 500A 8/20 uS pulse, with a minimum
working voltage of 18V. All six input circuits are the same.
Figure 6-17 : Alarm Outputs & Inputs
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Alarm Inputs
The 6 external alarm inputs are connected via the 15wayD female type located on the right
hand side of the digital shelf.
The external alarm inputs are opto-isolated current loops. The voltage and currents shall be
supplied by the external source.
The pin-out for the alarm inputs are shown in the table below.
Table 6-8 : Alarm Inputs
Pin
#
Signal
1 ALARM_IN_A0
2 ALARM_IN_B0
3 ALARM_IN_A1
4 ALARM_IN_B1
5 ALARM_IN_A2
6 ALARM_IN_B2
7 ALARM_IN_A3
8 ALARM_IN_B3
9 Earth
10 ALARM_IN_A4
11 ALARM_IN_B4
12 ALARM_IN_A5
13 ALARM_IN_B5
14 Earth
15 Earth
Alarm Outputs
The external alarm outputs are connected via the 9wayD female located on the right hand
side of the digital shelf.
The external alarm outputs shall be isolated normally-open relay contacts capable of
switching 100mA DC.
The pin-out for the alarm inputs are shown in the table below.
Table 6-9 : Alarm Outputs
Pin Signal
1 ALARM_OUT0+
2 ALARM_OUT0-
3 Earth
4 ALARM_OUT0+
5 ALARM_OUT0-
6 Earth
7 Earth
8 Earth
9 Earth
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Step 12 GPS Installation & Operation
The Node B has an external/remote GPS antenna and receiver. The connection for the
antenna (N-Type) is located on the Digital Shelf, Figure 6-18.
The GPS timing signal is used by the Node B for the TDD frame timing, so that all Node B's
in a network are synchronized. The GPS signal is also used by the master oscillator for a
frequency reference. The Node B can operate for two hours after a loss of GPS timing but a
gradual drift of the frame timing will result in system interference and a loss of Node B
selection / reselection capability.
A suitable Node B GPS antenna is shipped with every Node B. This antenna should be used
with a maximum of 15 metres cable of RG6 type cable plus male N-type connectors at each
end. For longer runs, the cable losses will affect signal strength and could impede GPS
signal performance.
For proper operation of the GPS receiver, the Node B GPS Antenna must have a clear
southern view of the sky (northern hemisphere installations). A site survey should be done
before Node B installation to verify that the Node B installation location is suitable for GPS
reception.
A simple survey method is to take a handheld GPS receiver to the site and verify that GPS
lock is obtained in the location of the Node B installation. The handheld GPS should be able
to obtain a "locked" condition within 2 minutes of power-on, and should be able to see a
minimum of 4 satellites at all times.
The GPS receiver, integral to the Node B Digital shelf, is automatically enabled when the
Node B is powered and there are no adjustments or settings to be made by the user.
Note: When the Node B installation is on or near a tower or building wall, the GPS survey
should replicate the configuration.
Figure 6-18 : GPS Antenna
GPS Antenna
Field of Vision No
Obstructions
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Figure 6-19 : GPS Antenna Connection
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Step 13 TTLNA Interfaces
<details to be added>
Figure 6-20 : TTLNA Connections
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7. APPENDIX
Appendix A - Installation Check Card
Step Action Complete Comment Page
1 Perform pre-installation site check
2 Parts shipped/tools required
3 Site Preparation
4 Mounting rack/cabinet installation
5 Grounding installation (all shelves)
6 DC Power Connection-Digital Shelf
7 DC Power Connection-Radio Shelf(s)
8 Inter-shelf interface connections
9 Backhaul Connections to INC
10 Antennas Cabling - Installation
11 Alarm Connections
12 GPS Installation & Operation
13 TTLNA Interfaces
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Appendix B – Outdoor Cabinet Specification Requirements
SPECIFICATION
TO
BE
ADDED
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Appendix C – Glossary
GLOSSARY
ADC Analog to Digital Converter
ARP Address Resolution Protocol
BTS Base Transceiver Station
DAC Digital to Analog Converter
Downlink From Network to the User Equipment
DSCH Downlink Shared Channel
ESD Electro Static Discharge
EM Element Manager
EIA Engineering Industry Association
Ethernet 10BaseT or 100baseT
ETSI European Telecommunications Standardization Institute
FCC Federal Communication Commission
FPGA Field Programmable Gate Array
GPS Global Positioning System
HTTP Hyper-Text Transfer Protocol
INC Integrated Network Controller
IP Internet Protocol
ISP Internet Service Provider
ITFS Instructional Television Fi xed Service
IUB Interface Between the INC & NodeB
LMT Local Maintenance Terminal
LNA Low Noise Amplifier
MCP Multimedia Communications Port
MAC Media Access Control
Mcps Mega Chips per Second
MMDS Multichannel Multipoint Distribution Service
MSPS Mega Samples Per Second
MTU Maximum Transmission Unit
Node B A UMTS Radio Base Station
PDU Protocol Data Unit
PLL Phase Locked Loop
QPSK Quadrature Phase Shift Keying
RAM Random Access Memory
RLC Radio Link Control
SRAM Static RAM
T1/E1 1536kbps/ 2048Kbps pipe
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GLOSSARY
T3/E3 45Mbps or 34Mbps
UE User Equipment
UMTS Universal Mobile Telecommunications System
Uplink From User Equipment to the Network
USB Universal Serial Bus
USCH Uplink Shared Channel
UPS Uninterruptible Power Supply Unit
UTRAN UMTS Terrestrial Radio Access Network
VSWR Voltage Standing wave ratio
VCXO Voltage Controlled Crystal Oscillator
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END OF DOCUMENT