Axell Wireless 50-0780-800 User Manual
Mission Valley Radio System + Upgrade
User/Maintenance Handbook
For
San Diego Association
AFL Works Order # Q111353 & Q11740
AFL product part # 50-078001 (800MHz & VHF CEs)
80-209302 (Battery Backup)
50-078021 (Upgrade hardware)
Aerial Facilities Limited
Technical Literature
Handbook No. 50-078201HBKM Issue No. 2A Date 16/02/2007 Page 1 of 85
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Table of Contents
1. INTRODUCTION ............................................................................................................5
1.1 Scope and Purpose of document.......................................................................................... 5
1.2 Limitation of Liability Notice.................................................................................................. 5
2. SAFETY CONSIDERATIONS ........................................................................................6
2.1 Earthing of Equipment ........................................................................................................... 6
2.2 Electric Shock Hazard ............................................................................................................ 6
2.3 RF Radiation Hazard...............................................................................................................6
2.4 Lifting and other Health and Safety Recommendations ..................................................... 6
2.5 Chemical Hazard ..................................................................................................................... 7
2.6 Laser safety............................................................................................................................. 7
2.7 Emergency Contact Numbers................................................................................................ 7
3. MASTER SITE RACKS (50-078001).............................................................................. 8
3.1 Master Site Description .......................................................................................................... 8
3.P Master Site Rack Photos........................................................................................................ 8
3.2 Master Site Electrical Specification ....................................................................................13
3.3 Master Site Mechanical Specifications ............................................................................... 13
3.4 Master Site Parts List (50-078001)....................................................................................... 14
3.5 Channel Frequency Listing.................................................................................................. 15
3.6 Master Site Drawings............................................................................................................ 16
3.6.1 Master Site Racks Layout Drawing, Drg. # 50-078051 ...................................................................16
3.7 800MHz Air I/F + BSCE Uplink Shelf (50-078002) ............................................................... 18
3.7.P 800MHz AIF Shelf Photographs ......................................................................................................18
3.7.1 Description .......................................................................................................................................19
3.7.2 Technical Specification ....................................................................................................................19
3.7.3 Parts List ..........................................................................................................................................20
3.7.4 800MHz Off-Air Repeater System Diagram, Drg. # 50-078082 ......................................................21
3.8 800MHz 8Ch. Channel Module Sub-Rack (50-078003)....................................................... 22
3.8.P 800MHz Channel Module Sub-Rack Photographs..........................................................................22
3.8.1 Description .......................................................................................................................................22
3.8.2 Technical Specification ....................................................................................................................22
3.8.3 VHF/ UHF Programming Procedure ................................................................................................23
3.8.4 VHF/ UHF Programming Example...................................................................................................24
3.8.5 900MHz Programming Procedure ...................................................................................................25
3.8.6 Parts List ..........................................................................................................................................26
3.8.7 8 Channel Module Shelf System Diagram, Drg. # 50-078083 ........................................................27
3.9 800MHz 40Watt Power Amplifier/Driver Shelf (50-078004)................................................ 28
3.9.P 40Watt PA Shelf Photographs.........................................................................................................28
3.9.1 Description .......................................................................................................................................29
3.9.2 Technical Specification ....................................................................................................................29
3.9.3 Parts List ..........................................................................................................................................30
3.10 VHF Simplex Shelf (50-078010/1) .....................................................................................31
3.10.P VHF Simplex Shelf Photographs .....................................................................................................31
3.10.1 Description .......................................................................................................................................32
3.10.2 Technical Specification ....................................................................................................................32
3.10.3 Parts List ..........................................................................................................................................33
3.10.4 VHF Shelf System Diagram, Drg. # 50-078090...............................................................................34
3.11 VHF Simplex Shelf (50-078010/2) .....................................................................................35
3.12 VHF Duplex Shelves (50-078011/1-4) ............................................................................... 35
3.12.P Duplex Shelf Photographs ...............................................................................................................35
3.12.1 Description .......................................................................................................................................36
3.12.2 Technical Specification ....................................................................................................................36
3.12.3 Parts List ..........................................................................................................................................37
3.12.4 VHF Duplex Shelf System Diagram, Drg. # 50-078091 ..................................................................38
3.13 VHF Air Interface Shelf (50-078012) ................................................................................. 39
3.13.1 Description .......................................................................................................................................39
3.13.2 Technical Specification ....................................................................................................................39
3.13.3 Parts List ..........................................................................................................................................39
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 2 of 85
3.13.4 VHF Air Interface Shelf System Diagram, Drg. # 50-078092 ..........................................................40
3.14 VHF Combiner Shelf (50-078013) .....................................................................................41
3.14.P VHF Combiner Photographs............................................................................................................41
3.14.1 Description .......................................................................................................................................42
3.14.2 Technical Specification ....................................................................................................................42
3.14.3 Parts List ..........................................................................................................................................42
3.14.4 VHF Combiner Shelf System Diagram, Drg. # 50-078093..............................................................43
3.15 VHF PSU Shelf (50-078014)............................................................................................... 44
3.15.P VHF PSU Photographs....................................................................................................................44
3.15.1 Description .......................................................................................................................................45
3.15.2 Technical Specification ....................................................................................................................45
3.15.3 Parts List ..........................................................................................................................................45
3.16 VHF/800MHz Tx Multi-coupler (50-078015)...................................................................... 46
3.16.1 Description .......................................................................................................................................46
3.16.2 Technical Specification ....................................................................................................................46
3.16.3 Parts List ..........................................................................................................................................46
3.16.4 Tx Multi-coupler System Diagram, Drg. # 50-078095 .....................................................................47
4. BAND SELECTIVE BI-DIRECTIONAL LINE AMPLIFIER ........................................... 48
4.1 BDA Wall Assembly (50-078017) ......................................................................................... 48
4.1.P BDA Assembly Photograph .............................................................................................................48
4.1.1 Description .......................................................................................................................................49
4.1.2 Electrical Specification .....................................................................................................................49
4.1.3 Mechanical Specification .................................................................................................................50
4.1.4 800MHz In-Line BDA System Diagram, Drg. # 50-078097 .............................................................51
4.1.5 BDA Case Outline Drawing, Drg. N. 55-118691............................................................................52
4.1.6 BDA Assembly (50-078017) Parts List ............................................................................................53
5. MASTER SITE UPGRADE........................................................................................... 54
5.1 Master Site Upgrade Rack Assembly (50-078021) ............................................................. 54
5.1.1 Master Site Upgrade Rack Description ...........................................................................................54
5.1.2 Master Site Upgrade Rack Electrical Specification .........................................................................54
5.1.3 Master Site Upgrade Rack Mechanical Specification......................................................................54
5.1.6 Master Site Upgrade Rack Assembly (50-078021) Parts List .........................................................55
5.1.6a Upgrade Channel Module Shelf/Sub-Rack 50-078023 Parts List ...................................................55
5.1.7 Master Site Upgrade System Diagram, Drg. # 50-078081..............................................................56
5.2 Upgrade Channel Frequencies ............................................................................................ 57
5.3 Master Site HPA Interface Shelf (50-078005)...................................................................... 58
5.3.P HPA Interface Shelf Photographs....................................................................................................58
5.3.1 Description .......................................................................................................................................59
5.3.2 Technical Specification ....................................................................................................................59
5.3.3 Parts List ..........................................................................................................................................59
5.3.4 HPA Interface Shelf System Diagram, Drg. # 50-078085 ...............................................................60
5.4 High Power Amplifier Shelf (50-146703) ............................................................................. 61
5.4.P High Power Amplifier Shelf Photographs ........................................................................................61
5.4.1 Description .......................................................................................................................................62
5.4.2 Electrical Specifications ...................................................................................................................62
5.4.3 Parts List ..........................................................................................................................................63
6. INSTALLATION............................................................................................................64
6.1 General Remarks .................................................................................................................. 64
6.2 RF Connections .................................................................................................................... 64
6.3 Commissioning ..................................................................................................................... 64
7. MAINTENANCE ...........................................................................................................65
7.1 Fault Finding ......................................................................................................................... 65
7.1.1 Quick Fault Checklist .......................................................................................................................65
7.1.2 Fault Isolation...................................................................................................................................65
7.1.3 Downlink ..........................................................................................................................................66
7.1.4 Uplink ...............................................................................................................................................66
7.1.5 Checking service..............................................................................................................................66
7.1.6 Fault repair.......................................................................................................................................67
7.1.7 Service Support ...............................................................................................................................67
7.2 Tools & Test Equipment....................................................................................................... 67
7.3.1 General Comments..........................................................................................................................68
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 3 of 85
7.3.2 Module Removal (LNAs, general procedure): .................................................................................68
7.3.3 Module Replacement (general): ......................................................................................................68
7.3.4 Power Amplifiers ..............................................................................................................................68
7.3.5 Low Power Amplifier Replacement..................................................................................................69
7.3.6 Module Transportation:....................................................................................................................69
APPENDIX A......................................................................................................................... 70
A.1 Glossary of Terms used in this document............................................................................. 70
A.2 Key to AFL RF Module Drawing Symbols .............................................................................. 71
A.3 EC Declaration of Conformity.................................................................................................. 72
A.4 Amendment List Record Sheet ............................................................................................... 73
A.5. Waste Electrical and Electronic Equipment (WEEE) Notice................................................ 74
APPENDIX B INITIAL EQUIPMENT SET-UP CALCULATIONS .......................................75
APPENDIX C - BATTERY BACKUP..................................................................................... 76
C.1 GENERAL DESCRIPTION ........................................................................................ 76
C.2. BATTERY BACKUP PHOTOGRAPHS.....................................................................77
C.3. SPECIFICATION ....................................................................................................... 78
C.3.1 Technical Specification..................................................................................................... 78
C.3.2 Mechanical Specification.................................................................................................. 78
C.3.3 Technical Description .......................................................................................................79
C.4. GENERAL DRAWINGS ............................................................................................80
C.4.1 Drg. No. 80-209374, 160Ah 12V Battery Backup Circuit Diagram ................................. 80
C.4.2 Low Voltage Battery Disconnect and O/P Voltage Limiter Schematic ......................... 81
C.4.3 Battery Backup Case Outline Drawing ............................................................................ 82
C.4.4 BBU/Amplifier Power Wiring And Alarms Diagram........................................................ 83
C.5. BBU ALARMS & MONITORING SYSTEM ...............................................................84
C.5.1 Description......................................................................................................................... 84
C.6. INSTALLATION......................................................................................................... 85
C.6.1 Battery Backup Unit Installation ......................................................................................85
C.6.2 Power Supply Input Voltage Selection ............................................................................ 85
C.7. MAINTENANCE ........................................................................................................85
C.7.1 General Comments............................................................................................................ 85
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 4 of 85
1. INTRODUCTION
1.1 Scope and Purpose of document
This handbook is for use solely with the equipment identified by the AFL Part Number shown on the
front cover. It is not to be used with any other equipment unless specifically authorised by Aerial
Facilities Limited.
The purpose of this handbook is to provide the user/maintainer with sufficient information to service
and repair the equipment to the level agreed. Maintenance and adjustments to any deeper level must
be performed by AFL, normally at the company’s repair facility in Chesham, England.
This handbook has been prepared in accordance with BS 4884, and AFL’s Quality procedures, which
maintain the company’s registration to BS EN ISO 9001:2000 and to the R&TTE Directive of the
European Parliament. Copies of the relevant certificates and the company Quality Manual can be
supplied on application to the Quality Manager.
This document fulfils the relevant requirements of Article 6 of the R&TTE Directive.
1.2 Limitation of Liability Notice
This manual is written for the use of technically competent operators/service persons. No liability is
accepted by AFL for use or misuse of this manual, the information contained herein, or the
consequences of any actions resulting from the use of the said information, including, but not limited
to, descriptive, procedural, typographical, arithmetical, or listing errors.
Furthermore, AFL does not warrant the absolute accuracy of the information contained within this
manual, or its completeness, fitness for purpose, or scope.
AFL has a policy of continuous product development and enhancement, and as such, reserves the
right to amend, alter, update and generally change the contents, appearance and pertinence of this
document without notice.
All AFL products carry a twelve month warranty from date of shipment. The warranty is expressly on a
return to base repair or exchange basis and the warranty cover does not extend to on-site repair or
complete unit exchange.
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 5 of 85
2. SAFETY CONSIDERATIONS
2.1 Earthing of Equipment
Equipment supplied from the mains must be connected to grounded outlets and earthed
in conformity with appropriate local, national and international electricity supply and
safety regulations.
2.2 Electric Shock Hazard
The risk of electrical shocks due to faulty mains driven power supplies whilst
potentially ever present in any electrical equipment, would be minimised by adherence
to good installation practice and thorough testing at the following stages:
a) Original assembly.
b) Commissioning.
c) Regular intervals, thereafter.
All test equipment must be in good working order prior to its use. High current power supplies can be
dangerous because of the possibility of substantial arcing. Always switch off during disconnection and
reconnection.
2.3 RF Radiation Hazard
RF radiation, (especially at UHF frequencies) arising from transmitter outputs
connected to AFL’s equipment, must be considered a safety hazard.
This condition might only occur in the event of cable disconnection, or because a
‘spare’ output has been left un-terminated. Either of these conditions would impair the
system’s efficiency. No investigation should be carried out until all
removed. This would always be a wise precaution, despite the severe mismatch between the
impedance of an N type connector at 50, and that of free space at 377, which would severely
mitigate against the efficient radiation of RF power. Radio frequency burns could also be a hazard, if
any RF power carrying components were to be carelessly touched!
Antenna positions should be chosen to comply with requirements (both local & statutory) regarding
exposure of personnel to RF radiation. When connected to an antenna, the unit is capable of
producing RF field strengths, which may exceed guideline safe values especially if used with
antennas having appreciable gain. In this regard the use of directional antennas with backscreens
and a strict site rule that personnel must remain behind the screen while the RF power is on, is
strongly recommended.
Where the equipment is used near power lines or in association with temporary masts not having
lightning protection, the use of a safety earth connected to the case-earthing bolt is strongly advised.
2.4 Lifting and other Health and Safety Recommendations
Certain items of AFL equipment are heavy and care should be taken when lifting them
by hand. Ensure that a suitable number of personnel, appropriate lifting apparatus and
appropriate personal protective equipment is used especially when installing Cell
Enhancers above ground e.g. on a mast or pole.
RF power sources have been
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 6 of 85
2.5 Chemical Hazard
Beryllium Oxide, also known as Beryllium Monoxide, or Thermalox™, is sometimes
used in devices within equipment produced by Aerial Facilities Ltd. Beryllium oxide
dust can be toxic if inhaled, leading to chronic respiratory problems. It is harmless if
ingested or by contact.
Products that contain beryllium are load terminations (dummy loads) and some power amplifiers.
These products can be identified by a yellow and black “skull and crossbones” danger symbol (shown
above). They are marked as hazardous in line with international regulations, but pose no threat under
normal circumstances. Only if a component containing beryllium oxide has suffered catastrophic
failure, or exploded, will there be any danger of the formation of dust. Any dust that has been created
will be contained within the equipment module as long as the module remains sealed. For this reason,
any module carrying the yellow and black danger sign should not be opened. If the equipment is
suspected of failure, or is at the end of its life-cycle, it must be returned to Aerial Facilities Ltd for
disposal.
To return such equipment, please contact the Quality Department, who will give you a Returned
Materials Authorisation (RMA) number. Please quote this number on the packing documents, and on
all correspondence relating to the shipment.
PolyTetraFluoroEthylene, (P.T.F.E.) and P.T.F.E. Composite Materials
Many modules/components in AFL equipment contain P.T.F.E. as part of the RF insulation barrier.
This material should never be heated to the point where smoke or fumes are evolved. Any person
feeling drowsy after coming into contact with P.T.F.E. especially dust or fumes should seek medical
attention.
2.6 Laser safety
General good working practices adapted from
EN60825-2: 2004/ EC 60825-2:2004
Do not stare with unprotected eyes or with any unapproved optical device at the fibre ends or
connector faces or point them at other people, Use only approved filtered or attenuating viewing aids.
Any single or multiple fibre end or ends found not to be terminated (for example, matched, spliced)
shall be individually or collectively covered when not being worked on. They shall not be readily
visible and sharp ends shall not be exposed.
When using test cords, the optical power source shall be the last connected and the first
disconnected; use only approved methods for cleaning and preparing optical fibres and optical
connectors.
Always keep optical connectors covered to avoid physical damage and do not allow any dirt/foreign
material ingress on the optical connector bulkheads.
The optical fibre jumper cable maximum bend radius is 3cm; any smaller radii may result in optical
cable breakage or excessive transmission losses.
Caution: The FO units are NOT
2.7 Emergency Contact Numbers
The AFL Quality Department can be contacted on:
Telephone +44 (0)1494 777000
Fax. +44 (0)1494 777002
e-mail
qa@aerialfacilities.com
weather proof.
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 7 of 85
3. MASTER SITE RACKS (50-078001)
3.1 Master Site Description
The master site system consists of three, swing-frame 19” rack cabinets which provides 800MHz
Channelised (x 24) & VHF Simplex/Duplex coverage for the various concourses, platforms and
tunnels with a 12V battery backup service (for the 800MHz line amplifiers) that will guarantee
limited continued coverage in case of mains power failure.
3.P Master Site Rack Photos
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 8 of 85
VHF channel modules and amplifier shelves (front view, door open)
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 9 of 85
RF distribution rack (front view, door open)
800MHz rack (front view, door open)
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 10 of 85
VHF rack (rear view, door open)
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 11 of 85
800MHz rack (rear view, door open)
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 12 of 85
)
3.2 Master Site Electrical Specification
PARAMETER SPECIFICATION
Frequency range:
Bandwidth:
Gain:
Gain Adjustment: 0 - 30dB (in 2dB steps)
Uplink Power:
Downlink Power
IP3:
Noise Figure: <6dB
RF Connectors: N type, female
Alarms Fitted:
(non-latching, volt-free relay
contacts/TTL)
3.3 Master Site Mechanical Specifications
PARAMETER SPECIFICATION
Rack
Shelves:
operational: -20°C to +60°C Temperature
range:
RF Connectors: N type female
Environmental Protection: IP44
Finish:
Heatsinks: Black anodised aluminium
Supply Cable:
Uplink +43dBm
Downlink +50dBm (+53dBm upgrade)
AGC: -25dBm (factory set in channel module
VSWR: better than 1.5:1
Height: 40U Standard Eurorack (x3)
Width: 19" (482.6mm)
Depth: 600mm
Height: See parts lists
Width: 19" (482.6mm)
Depth:
storage: -40°C to +70°C
Weight: >100kg
Humidity: 5 – 95% non-condensing
Case: Alocrom 1200/Iridite NCP
Handles: Aluminium alloy
Fascias Painted to RAL7035
851-869MHz (Downlink)
806-824MHz (Uplink)
160.2-161.8MHz (Simplex/Duplex)
18MHz (UHF)
1.6MHz (VHF)
>100dB (Uplink)
>90dB (Downlink)
>5.0Watts (UHF)
>5.0Watts (VHF)
>40.0Watts (UHF) *(100W upgrade)
>5.0Watts (VHF)
1 PSU’s
2 Amplifiers
3 Channel modules
<450mm(excluding heatsinks, connectors,
and handles)
Unit supplied with suitable supply input
leads, connector and specified length of
cable (where appropriate)
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 13 of 85
3.4 Master Site Parts List (50-078001)
AFL Part # Part Description Qty.
50-078002 800MHz AIR I/F + BSCE UPLINK SHELF 1
50-078003 800MHz 8CH CHANNEL MOD. SHELF 3
50-078004 800MHz 40W HPA / DRIVER SHELF 2
50-078010/1 VHF SIMPLEX SHELF 1
50-078010/2 VHF SIMPLEX SHELF 1
50-078011/1 VHF DUPLEX SHELF 1
50-078011/2 VHF DUPLEX SHELF 1
50-078011/3 VHF DUPLEX SHELF 1
50-078011/4 VHF DUPLEX SHELF 1
50-078012 VHF AIR I/F SHELF 1
50-078013 VHF COMBINER SHELF 1
50-078014 VHF PSU SHELF 1
50-078015 VHF/ 800 Tx MULTICOUPLER 1
50-078017 800MHz IN LINE AMPLIFIER 2
60-020608 40U SWING FRAME CABINET 3
80-209302 12V 160Ah BATTERY BACK UP STANDARD 2
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 14 of 85
3.5 Channel Frequency Listing
Frequencies (MHz) Ch. # User
Group
1 SD Trolley 160.6650 160.9350 Duplex
2 SD Trolley 160.3800 160.9050 Duplex (Note1)
3 SD Trolley 160.7100 161.4150 Duplex
4 SD Trolley 161.2950 161.2950 Simplex
5 SD Trolley 161.5650 160.7550 Duplex
6 SD Trolley 160.5300 160.5300 Simplex
1 SD City (PD/FD) 860.0500 815.0500 Duplex
2 SD City (PD/FD) 860.0250 815.0250 Duplex
3 SD City (PD/FD) 859.0500 814.0500 Duplex
4 SD City (PD/FD) 859.0250 814.0250 Duplex
5 SD City (PD/FD) 858.0500 813.0500 Duplex (Note 2)
6 SD City (PD/FD) 858.0250 813.0250 Duplex (Note 2)
7 SD City (PD/FD) 857.0500 812.0500 Duplex
8 SD City (PD/FD) 860.0000 815.0000 Duplex
9 SD City (PD/FD) 859.0000 814.0000 Duplex
10 SD City (PD/FD) 858.0000 813.0000 Duplex (Note 2)
11 SD City (PD/FD) 857.0250 812.0250 Duplex
12 SD City (PD/FD) 857.0000 812.0000 Duplex
13 SD City (PD/FD) 856.0500 811.0500 Duplex
14 SD City (PD/FD) 856.0250 811.0250 Duplex
15 SD City (PD/FD) 862.0500 817.0500 Duplex
16 SD City (PD/FD) 862.1000 817.1000 Duplex
17 SD City (PD/FD) 863.0500 818.0500 Duplex
18 SD City (PD/FD) 864.0500 819.0500 Duplex
19 SD City (PD/FD) 865.5000 820.0500 Duplex
20 SDSU Security 868.5750 823.5750 Duplex (Note 4)
21 SDSU Security 866.3875 821.3875 Duplex (Note 4)
22 SD City (PD/FD) 856.1500 811.1500 Duplex (Note 3)
23 TBD TBD TBD TBD
24 TBD TBD TBD TBD
Note 1: Channel 2 uplink frequency was changed to 160.9050 MHz from 161.9050MHz as required by
the Authority.
Note 2: Channel 4, 5 & 10 uplink frequency changed to 813.0500 MHz, 813.0250MHz, &
813.0000MHz from 816.050 MHz, 816.0250MHz & 816.000MHz respectively.
Note 3: Channel 22 is new frequency pair for SD City with 25KHz channel spacing.
Note 4: Channel 20 & 21 are analogue radio system with digital modulation (3600bps) and the donor
site for these channels has azimuth of 150 degree. The Azimuth of CH 1 to Ch 19 and the
new CH 22 is 40 degree.
Downlink Uplink
800 MHz Band
Status
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 15 of 85
3.6 Master Site Drawings
3.6.1 Master Site Racks Layout Drawing, Drg. # 50-078051
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 16 of 85
3.6.2 Master Site System Diagram, Drg. # 50-078086
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 17 of 85
3.7 800MHz Air I/F + BSCE Uplink Shelf (50-078002)
3.7.P 800MHz AIF Shelf Photographs
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 18 of 85
3.7.1 Description
This shelf is the interface between the system’s 800MHz bi-directional tunnel amplifiers and the off-air
antenna.
In the downlink direction, the incoming antenna RF is directed through a bandpass filter to a pair of
20dB gain low noise amplifiers that have a switchable 0-30dB attenuator between them. The resultant
single path is then divided several times and fed out of the shelf to the channel selective modules (x
24). When the outputs from the channel modules return, they are combined and exit to the two power
amplifier shelves that serve the East and West tunnel leaky feeders.
The uplink path originates from the tunnel antennas, and is band-selectively amplified and fed to a
pair of 10W power amplifiers. This final amplification stage in the uplink path has an automatic gain
control detector and attenuator to help negate the overloading effect of someone operating a mobile
close to the LCX tunnel antennas.
Note that this shelf has its own, dedicated mains driven, 12-15V DC PSU unit.
3.7.2 Technical Specification
PARAMETER SPECIFICATION
Frequency range:
Downlink output power: N/A
Uplink output power: 10Watts (x2)
AGC: Fitted in uplink path
AGC dynamic range: >35dB
Shelf
dimensions
range
RF Connectors: N type female
Environmental protection: IP44
Finish
Height: 8U
Width: 19" (482.6mm)
Depth: <450mm (excluding connectors & handles)
operational: -20°C to +60°C Temperature
storage: -40°C to +70°C
Weight: <15kg
Shelf gain: 60dB (typical)
Impedance: 50
Humidity: 5 – 95% non-condensing
Case: Alocrom 1200/Iridite NCP coating
Heatsinks: Black anodised aluminium
Handles: Silver anodised aluminium alloy
Fascia: Painted to RAL7035
851-869MHz (Downlink)
806-824MHz (Uplink)
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 19 of 85
3.7.3 Parts List
AFL Part # Part Description Qty.
02-007201 900MHz 8POLE 10-20MHz B/W SMA 4
05-002602 900MHz SPLITTER/COMBINER, 20W 5
05-003801 3WAY GEN.SPLIT 900MHz GEN.ASS 4
10-000701 1/4W0-30dB SWITCHED ATTENUATOR 2
11-005902 900MHz LOW NOISE AMP WITH RELAY ASS 3
11-006702 GA 800-1000MHz LNA 29dB (WITH RELAY 4
12-018001 PA 800-960MHz 10W 30dB 2
14-000225 CASE RAIL LONG R.S.A./R.F.A. 4
17-001109 CE AGC UNIT LOG DET/AMP ASSY (12V) 1
17-001201 C/E AGC UNIT ATTENUATOR ASSY 1
20-001601 12V RELAY BOARD 1
50-012820 CCE RACK MOUNTED 8U CHASSIS 1
50-012822 CCE RACK MOUNTED LID 1
50-012825 CCE RACK MOUNTED HEATSINK BRACKET 4
50-027720 RACK MTD CHAN C.E. MODIFIED HEATSIN 2
80-090822 C/E 8U FRONT PANEL, AFL (RAL7035) 1
80-310420 BCC 400W POWER SUPPLY HEATSINK 1
91-030002 N ADAPTOR PANEL FEMALE:FEMALE 4
91-130005 SMA BULKHEAD ADAPTOR F/F 12
91-500025 3 PIN RIGHT ANGLE FREE PLUG NC-X 3
91-510003 3 PIN R.ANGLE FREE SOC.NC-X. 3
91-510004 3 PIN PNL.MOUNT SOCKET NC-X 3
91-510032 20A SOCKET CONTACT PIN 4
91-520001 PWR MAINS INL FIXED/SOLD.TERMS 1
91-520005 MAINS LEAD 1
91-520010 MAINS RETAINING CLIP 1
91-600007 'D' 9 WAY BLACK SHELL 8
91-600014 'D' 9 WAY SOCKET S/B (NON FILTERED) 7
91-600015 'D' 9 WAY PLUG S/B (NON FILTERED) 1
91-660001 2W5 MIXED D TYPE SOCKET (7 WAY) 2
96-110034 FUSE HOLDER 16-30A, 32mm BODY 3
96-300057 15V 27A PSU 400W (XP BCC) 1
96-700034 LED RED 5mm IP67 INTEGRAL RES. 24V 1
96-700035 LED GREEN 5mm IP67 INTEGRAL RES 24V 1
96-900018 AC TRIP SWITCH (5 AMP M.C.B.) 2
97-400005 HANDLE TYPE H6802 3U [ALLOY] 2
99-200008 DANGER HIGH VOLTAGE LABEL 2’ x 2' 1
99-200017 CAUTION HEAVY LABEL 75 x 55mm 2
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 20 of 85
3.7.4 800MHz Off-Air Repeater System Diagram, Drg. # 50-078082
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 21 of 85
3.8 800MHz 8Ch. Channel Module Sub-Rack (50-078003)
3.8.P 800MHz Channel Module Sub-Rack Photographs
Photographs of this sub-rack are unavailable.
3.8.1 Description
The channel modules are built into a sub-rack which is the equivalent height of a 3U shelf. Each subrack has eight channel selective modules (3 sub-racks=24 channels) and two channel control
modules that are DIP switch banks that configure the frequencies for the channel modules, see below
for channel module programming.
Each channel module has an alarm (alarm which is summed to form an overall alarm pair for the
whole sub-rack, that terminates at the rear-mounted 9-way alarm ‘D’ connector, pins 1 & 2.
3.8.2 Technical Specification
PARAMETER SPECIFICATION
Frequency range:
Shelf
dimensions
range
Channel module gain: 10dB
Channel module AGC level: -25dBm
DC power input: 12V @ 6.3A (fused)
Power consumption: <2.6Amps @ 12V DC
RF Connectors: N type female
Environmental protection: IP44
Finish
Height: 3U (equivalent)
Width: 19" (482.6mm)
Depth: <400mm (excluding connectors & handles)
operational: -20°C to +60°C Temperature
storage: -40°C to +70°C
Weight: <15kg
Impedance: 50
Humidity: 5 – 95% non-condensing
Case: Alocrom 1200/Iridite NCP coating
Heatsinks: None
Handles: None
Fascia: Painted to RAL7035
855-869MHz (Downlink)
810-824MHz (Uplink)
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 22 of 85
3.8.3 VHF/ UHF Programming Procedure
The operating frequency for each channel in the Cell Enhancer is programmed by 16 DIL (Dual In
Line) switches. The programming switches are mounted in the Channel Control Modules which are
located beside the channel modules in the module racking. The Channel Selectivity Modules are
connected to the Channel Control Module via 25 way ribbon cables.
Switch 16 is at the far left of the line of switches leading down to Switch 1 at the far right of the line.
Adjacent to the DIL switches for each channel is a toggle switch to turn on and off individual channels
as required. A green LED indicates the DC ON status of each channel.
A red LED shows the alarm condition for each channel. An illuminated alarm LED indicates that the
synthesiser has not achieved phase lock and that the module is disabled. There is a problem which
requires investigation, often a frequency programmed outside the operating frequency range.
The following information is necessary before attempting the programming procedure.
1) operating frequency
2) synthesiser channel spacing (step size)
3) synthesiser offset (IF)
Check that the required frequency falls within the operational frequency limits of the Cell Enhancer.
For each channel required, subtract the synthesiser offset from the required operating frequency and
record the resulting local oscillator frequency.
Divide each local oscillator frequency by the channel spacing and check that the result is an integer
(i.e.: no remainder).
If the synthesiser division ratio is not an integer value, check the required operational frequency and
repeat the calculation checking for mistakes.
Convert the required local oscillator frequency to synthesiser programming switch state patterns
according to the following table.
Switch number Synthesiser offset added when switch in UP position
1 +12.5kHz
2 +25kHz
3 +50kHz
4 +100kHz
5 +200kHz
6 +400kHz
7 +800kHz
8 +1.6MHz
9 +3.2MHz
10 +6.4MHz
11 +12.8MHz
12 +25.6MHz
13 +51.2MHz
14 +102.4MHz
15 +204.8MHz
16 +409.6MHz
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 23 of 85
3.8.4 VHF/ UHF Programming Example
Frequency required: 465.5MHz
Channel spacing: 12.5kHz
Synthesiser offset: 21.4MHz
The Local Oscillator frequency is therefore: 465.4 – 21.4 = 444.0 MHz
Dividing the LO frequency
by the channel spacing of: 0.0125MHz:
444.0
This is an integer value, therefore it is OK to proceed.
Local Oscillator
Frequency of:
444.0 MHz
Switch setting: 0 = switch DOWN (on, frequency ignored)
1 = switch UP (off, frequency added)
= 35520
0.0125
Switch settings
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
1 0 0 0 1 0 1 0 1 1 0 0 0 0 0 0
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 24 of 85
3.8.5 900MHz Programming Procedure
Check that the required downlink and uplink frequencies fall within the operational band limits of the
Cell Enhancer.
For each Downlink and Uplink channel frequency, subtract the appropriate synthesiser offset
frequency from the required operational frequency and record the resulting local oscillator
frequencies.
Divide each Downlink and Uplink local oscillator frequency by the synthesiser channel spacing and
check that the result is an integer (i.e. no remainder).
If the synthesiser division ratio is not an integer value, check the required operational frequency and
repeat the calculation checking for mistakes.
Convert the required local oscillator frequency to synthesiser programming switch state patterns
according to the following table.
NOTE: Ensure that the correct column is used from the table below according to the synthesiser
channel spacing of the particular channel modules fitted to the Cell Enhancer.
Synthesiser offset added when switch in UP position Switch
Number
1 +25kHz +100kHz
2 +50kHz +200kHz
3 +100kHz +400kHz
4 +200kHz +800kHz
5 +400kHz +1.6MHz
6 +800kHz +3.2MHz
7 +1.6MHz +6.4MHz
8 +3.2MHz +12.8MHz
9 +6.4MHz +25.6MHz
10 +12.8MHz +51.2MHz
11 +25.6MHz +102.4MHz
12 +51.2MHz +204.8MHz
13 +102.4MHz +409.6MHz
14 +204.8MHz +819.2MHz
15 +409.6MHz 16 +819.2MHz -
25kHz channel spacing 100kHz channel spacing
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 25 of 85
3.8.6 Parts List
AFL Part # Part Description Qty.
05-003302 4 WAY SPLITTER GSM 900MHz 4
17-002101 CHANNEL CONTROL MODULE 2
17-002103 26WAY RIBBON CABLE LEAD 8
17-003022 MODULE PATTERNED LEAVE 8
17-003023 SUBRACK SIDE PANEL 4
17-003024 SUBRACK REAR BRACKET 8
17-003025 BOTTOM MODULE GUIDE 8
17-003028 MODULE SQUARE LEAVE 8
17-003029 TOP MODULE GUIDE 8
17-009127 CHAN MOD 810-860MHz 30KHz 8p TCXO 8
91-100004 SMA PLUG ELBOW UT-85/RG405 32
91-500001 POWER PLG 3 PIN PNL.MOUNT NC-X 2
91-510003 3 PIN R.ANGLE FREE SOC.NC-X. 2
91-600007 'D' 9 WAY BLACK SHELL 4
91-600014 'D' 9 WAY SOCKET S/B (NON FILTERED) 2
91-600015 'D' 9 WAY PLUG S/B (NON FILTERED) 2
92-280033 Captive Screw 16
96-110001 FUSE HOLDER 20 x 5mm 6.3A 2
96-110007 T 1.6A A.SURGE FUSE 20mm 4
97-000002 BLACK MODULE CAGE RUNNER 16
97-600001 SUBRACK FRONT HORIZ 4
97-600002 SUBRACK M2.5 STD TAP 4
Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 26 of 85
Loading...