User Manual
Table Of Contents
- 1. INTRODUCTION
- Scope and Purpose of Document
- Limitation of Liability Notice
- 2. SAFETY CONSIDERATIONS
- 3. EQUIPMENT OVERVIEW
- 4. SUB-UNIT MODULES
- 4.1 Bandpass Filter (02-010201)
- 4.2 Two-Way Splitter (07-002503)
- 4.3 0.25Watt 0- -30dB Switched Attenuator (10-000703)
- 4.4 11-007302 & 11-007402 Low Noise Amplifiers
- 4.4.1 Description
- 4.4.2 Technical Specification (11-007302)
- 4.4.3 Technical Specification (11-007402)
- 4.4.4 LNA ‘D’ Connector Pin-out details
- 4.4.5 Drg. # 11-007302, LNA Assembly With Alarm Relay
- 4.4.6 Drg. # 11-007370, LNA RF Circuit Diagram
- 4.4.7 Drg. # 11-007371, LNA DC Wiring Diagram
- 4.4.8 Drg. # 11-003971, LNA DC Circuit Diagram
- 4.4.9 Drg. # 11-007402, LNA Assembly With Alarm Relay
- 4.4.10 Drg. # 11-007470, LNA RF Circuit Diagram
- 4.5 12-021601 5Watt Medium Power Tetra Amplifier
- 4.6 12-022101 10Watt Power Tetra Amplifier
- 4.7 8A Mains Filter Assembly (13-003301)
- 4.8 Channel Control Module (17-002101)
- 4.9 Channel Selective Module (17-003007)
- 4.10 12V Single Relay Board (80-008901)
- 4.11 12V Switch-Mode PSU (96-300052)
- 5. INSTALLATION
- 6. FAULT FINDING & MAINTENANCE
- 6.1 General Fault Finding Procedures
- 6.2 Downlink
- 6.3 Uplink
- 6.4 Fault repair
- 6.5 Checking service
- 6.6 Service Support
- 6.7 Tools & Test Equipment
- 6.8 General Maintenance Procedures
- _
- 6.9 Module Removal (LNA’s, general procedure)
- 6.10 Module Replacement (general)
- 6.11 Power Amplifiers
- 6.12 Low Power Amplifier Replacement
- 6.13 Module Transportation
- APPENDIX A
- _
- APPENDIX B
Two Channel UHF Cell Enhancer
User Handbook
Handbook Number: 50-187601HBKM Page: 45 of 51
6.5 Checking service
Following the repair of any part of the system it is recommended that a full end-to-end test is carried
out in accordance with the test specification and that the coverage is checked by survey.
It is important to bear in mind that the system includes a radiating cable network and base stations
that may be faulty or may have been damaged.
6.6 Service Support
Advice and assistance with maintaining and servicing this system are available by contacting Aerial
Facilities Ltd.
6.7 Tools & Test Equipment
The minimum tools and test equipment needed to successfully service this AFL product are as
follows:-
Spectrum analyser: 100kHz to 2GHz (Dynamic range = 90dB).
Signal Generator: 30MHz to 2GHz (-120dBm to 0dBm o/p level).
Attenuator: 20dB, 10W, DC-2GHz, (N male – N female).
Test Antenna: Yagi or dipole for operating frequency.
Digital multi-meter: Universal Volt-Ohm-Amp meter.
Test cable x 2: N male – N male, 2M long RG214.
Test cable x 2: SMA male – N male, 1m long RG223.
Hand tools: Philips #1&2 tip screwdriver.
3mm flat bladed screwdriver.
SMA spanner and torque setter.