Handbook
Table Of Contents
- AMENDMENT LIST RECORD SHEET
- INTRODUCTION
- 1.SAFETY CONSIDERATIONS
- 2.OVERVIEW/SYSTEM DESCRIPTION
- 3.SPECIFICATIONS
- 3.1Parts Lists
- 3.2Technical Specifications
- 3.2.1UHF ONE to Tunnels 1 & 2 Technical Specification
- 3.2.2UHF1A Technical Specification
- 3.2.3UHF ONE to Location TWO Technical Specification
- 3.2.4UHF TWO to Tunnels 1 & 2 Technical Specification
- 3.2.5UHF TWO to Location TWO Technical Specification
- 3.2.6800MHz Bi-directional Amplifier to Location TWO Technical Specification
- 3.3Mechanical Specification (UHF1/1A & UHF2 Wall Cases)
- 4.SYSTEM DRAWINGS
- 5.SUB-UNIT MODULES
- 5.1UHF 1 Air Interface (60-055901)
- 5.1.1Bandpass Duplexers (02-013401)
- 5.1.22 & 4 Way UHF Splitters (05-002603 & 05-003401)
- 5.1.3¼Watt 0- -30dB Switched Attenuator \(10-00
- 5.1.4Low Noise Amplifiers (11-006102, 11-007302 & 11-007402)
- 5.1.4.1General Description
- 5.1.4.2Technical Specification (11-006102)
- 5.1.4.3Drg. No. 11-006102, Low Noise Amplifier General Assembly
- 5.1.4.4Drg. No. 11-006170, LNA RF Circuit Diagram
- 5.1.4.5Drg. No. 11-006171, LNA DC Wiring Diagram
- 5.1.4.6Drg. No. 11-003971, LNA DC Schematic Diagram
- 5.1.4.7Technical Specification (11-007302)
- 5.1.4.8Drg. No. 11-007302, LNA Assembly With Alarm Relay
- 5.1.4.9Drg. No. 11-007370, LNA RF Circuit Diagram
- 5.1.4.10Drg. No. 11-007371, LNA DC Wiring Diagram
- 5.1.4.11Technical Specification (11-007402)
- 5.1.4.12Drg. No. 11-007402, LNA General Assembly
- 5.1.4.13Drg. No. 11-007470, LNA RF Circuit Diagram
- 5.1.4.14Drg. No. 11-007471 LNA DC Wiring Diagram
- 5.1.55Watt Power Amplifier (12-001801)
- 5.1.5.1Description
- 5.1.5.2Technical Specification
- 5.1.5.3Drg. No. 12-001801, 5Watt PA General Assembly Drawing
- 5.1.5.4Drg. No. 12-001870, 5Watt PA Circuit Diagram
- 5.1.5.5Drg. No. 12-001870C1, 5W PA Component List(1)
- 5.1.5.6Drg. No. 12-001870C2, 5W PA Component List(2)
- 5.1.5.7Drg. No. 80-008450, Power Amplifier/Alarm Board DC Wiring Details
- 5.1.63 Stage Amplifier Alarm Boards (12-002201)
- 5.1.7DC/DC Converter, 24V in, 12V 8A out (13-003011)
- 5.1.8Channel Selective & Channel Control Modules (17-003012 & 17-002101)
- 5.1.8.1Channel Selective Module Description
- 5.1.8.2Drg. No. 17-003080, Generic Channel Module Block Diagram
- 5.1.8.3Channel Selectivity Control Module Description
- 5.1.8.4Channel Controller DIP Switch Configuration Frequencies
- 5.1.8.5UHF1 Downlink Channel Module Configuration Table
- 5.1.8.6UHF1 Uplink Channel Module Configuration Table
- 5.1.8.7UHF1A Downlink Channel Module Configuration Table
- 5.1.8.8UHF1A Uplink Channel Module Configuration Table
- 5.1.8.9UHF2 Downlink Channel Module Configuration Table
- 5.1.8.10UHF2 Uplink Channel Module Configuration Table
- 5.1.9Single & Dual 24Volt Relay Boards (20-001602 & 80-008902)
- 5.1.10SMA coaxial termination (93-930003)
- 5.1.1124V 400W Flat-Pack Power Supply (96-300011)
- 5.2UHF 2 Air Interface (60-055902)
- 5.2.1Bandpass Filter (02-013401) See section 5.1.1
- 5.2.24 Port Tx Hybrid Combiner (05-003019)
- 5.2.3Four Way Low Power Splitter (05-003401) See section 5.1.2
- 5.2.4¼Watt 0- -30dB Switched Attenuator \(10-00
- 5.2.5Low Noise Amplifiers (11-007302 & 11-007402) See section 5.1.4
- 5.2.63 Stage Amplifier Alarm Boards (12-002201) See section 5.1.6
- 5.2.720Watt Power Amplifier (12-004201)
- 5.2.8DC/DC Converter, 24V in, 12V 8A out (13-003011) See section 5.1.7
- 5.2.9Chan. Selec. & Chan. Contr. Mdls (17-003012 & 17-002101) See section 5.1.8
- 5.2.1021MHz IF Filter Board (17-002502)
- 5.2.11Single & Dual 24Volt Relay Boards (20-001602 & 80-008902) See section 5.1.9
- 5.2.12SMA Coaxial Termination (93-930003) See section 5.1.10
- 5.2.1324V 400W Flat-Pack Power Supply (96-300011) See section 5.1.11
- 5.2.14JWS75-15/A PSU (96-300045)
- 5.2.15Single Mode Optical Coupler (98-100001)
- 5.2.16.Fibre Optic Receiver & Transmitter (98-200003 & 98-300003)
- 5.3UHF1A 60-055903 470MHz 3 Channel BDA
- 5.1UHF 1 Air Interface (60-055901)
- 6.INSTALLATION
- 7.MAINTENANCE
- APPENDIX AINITIAL EQUIPMENT SET-UP CALCULATIONS
PBL UHF1/1A 1 & 2 Air Interface
Maintenance Handbook
H/book Number:-60-055900HBKM
Issue No:-2
Date:-20/10/2003
Page:-
62 of 85
5.1.9 Single & Dual 24Volt Relay Boards (20-001602 & 80-008902)
5.1.9.1 24V Relay Boards (20-001602 & 80-008902) Description
The General Purpose Dual Relay Board (20-001602) allows the inversion of signals and the
isolation of circuits. It is equipped with two dual pole change-over relays RL1 and RL2,
with completely isolated wiring, accessed via screw terminals.
Both relays are provided with polarity protection diodes and diodes for suppressing the
transients caused by "flywheel effect" which can destroy switching transistors or induce
spikes on neighbouring circuits. It’s common use is to amalgamate all the alarm signals into
one, volts-free relay contact pair for the main alarm system.
Note that the board is available for different voltages (12 or 24V) depending on the type of
relays fitted at RL1 and RL2.
The single relay board (80-008902) is electrically identical to the dual version but is
proportionately smaller in size. It also has a single in-line IDC connector in place of the
screw terminal blocks of the dual model and performs similar summary alarm functions.