User Manual

UHF Bandselective BDA
90dB 40/5W
Document Number 55-199102HBKM Issue No. 1 Page 2 of 28
Table of Contents
1. INTRODUCTION..........................................................................................................................3
1.1. Scope and Purpose of Document ............................................................................................. 3
1.2. Limitation of Liability Notice ...................................................................................................... 3
2. SAFETY CONSIDERATIONS......................................................................................................4
2.1. Earthing of Equipment .............................................................................................................. 4
2.2. Electric Shock Hazard............................................................................................................... 4
2.3. RF Radiation Hazard ................................................................................................................ 4
2.4. Lifting and other Health and Safety Recommendations............................................................ 4
2.5. Chemical Hazard ...................................................................................................................... 5
2.6. Laser safety .............................................................................................................................. 5
2.7. Emergency Contact Numbers................................................................................................... 5
3. EQUIPMENT OVERVIEW............................................................................................................6
3.1. UHF Bandselective, BDA (55-199102) List of major sub modules ........................................... 7
3.2. UHF Bandselective, BDA (55-199102) Specification................................................................ 7
3.3. UHF Bandselective, BDA (55-199102) System Schematic.......................................................... 8
3.4. Photographs.............................................................................................................................. 9
3.4.1. Front of case – door closed................................................................................................ 9
3.4.2. Front of case – door open ................................................................................................ 10
3.4.3. Right Hand and Left Hand sides ...................................................................................... 11
4. UHF BANDSELECTIVE, BDA (55-199102) SUB MODULES...................................................12
4.1. Bandpass Filter (02-010701) .................................................................................................. 12
4.2. 3dB Splitter/Combiner (05-002603) ........................................................................................ 13
4.3. Remote Attenuator Switch Assembly (‘10-001725’) ............................................................... 13
4.4. 5 Watt Tetra Amplifier (12-021601)......................................................................................... 14
4.5. Linearised Power Amplifier (12-026901)................................................................................. 15
4.6. Voltage Regulator Board 9.0V (13-001714)............................................................................ 16
4.7. DC/DC Converter, 24V in, 12V 8A out (13-003011) ............................................................... 16
4.8. Bi-Directional Amplifier (17-017301) ....................................................................................... 17
4.9. 12V (Single) Relay Board (80-008901)................................................................................... 18
4.10. 24V Switch-Mode PSU (96-300054).................................................................................... 18
5. INSTALLATION & COMMISIONING.........................................................................................19
5.1. Antenna Installation & Gain Calculations................................................................................ 19
5.2. Initial Installation Record......................................................................................................... 19
6. FAULT FINDING / MAINTENANCE ..........................................................................................20
6.1. Tools & Test Equipment.......................................................................................................... 20
6.2. Basic Fault Finding ................................................................................................................. 20
6.3. Quick Fault Checklist .............................................................................................................. 21
6.4. Downlink ................................................................................................................................. 21
6.5. Uplink...................................................................................................................................... 21
6.6. Fault repair.............................................................................................................................. 21
6.7. Service Support ...................................................................................................................... 21
6.8. Care of Modules...................................................................................................................... 22
6.9. Module Removal (LNAs, general procedure):......................................................................... 22
6.10. Module Replacement (general): .......................................................................................... 22
6.11. Power Amplifiers.................................................................................................................. 22
6.12. Low Power Amplifier Replacement...................................................................................... 23
6.13. Module Transportation:........................................................................................................ 23
APPENDIX A.......................................................................................................................................24
A.1. Glossary of Terms used in this document ........................................................................... 24
A.2. Key to Drawing Symbols used in this document.................................................................. 25
A.3. EC Declaration of Conformity .............................................................................................. 26
A.4. Amendment List Record Sheet............................................................................................ 27
APPENDIX B.......................................................................................................................................28
Initial Equipment Set-Up Calculations............................................................................................... 28