User's Manual

Meadowlands Fiber Fed BDA Equipment
User Handbook
Handbook Nō.-60-165801HBKM Issue No:-1
Date:-03/01/06
Page:-
2 of 25
Table of Contents
INTRODUCTION ............................................................................................................................................4
Scope................................................................................................................................................................................ 4
Purpose............................................................................................................................................................................ 4
Glossary of Terms .......................................................................................................................................................... 5
Key to AFL RF Module Drawing Symbols.................................................................................................................. 6
EC DECLARATION OF CONFORMITY.....................................................................................................7
1. SAFETY CONSIDERATIONS ............................................................................................................8
1.1 Earthing of Equipment ..................................................................................................................................... 8
1.2 Electric Shock Hazard ......................................................................................................................................8
1.3 RF Radiation Hazard........................................................................................................................................9
1.4 Chemical Hazard.............................................................................................................................................10
1.5 Laser safety...................................................................................................................................................... 11
1.6 Emergency Contact Numbers ........................................................................................................................11
2. OVERVIEW/ SYSTEM DESCRIPTION..........................................................................................12
3. FIBRE-FED BDA (60-165801) .............................................................................................................13
3.1 Component Layout Photograph ....................................................................................................................13
3.2 FO BDA Electrical Specifications..................................................................................................................14
3.3 FO BDA RF Circuit Diagram, Drg. Nō. 60-165881 .....................................................................................15
3.4 FO BDA Alarm Circuit Diagram, Drg. Nō. 60-165851................................................................................ 16
3.5 FO BDA Parts List .......................................................................................................................................... 17
5. INSTALLATION.................................................................................................................................18
5.1 General Remarks ............................................................................................................................................18
5.2 RF Connections ............................................................................................................................................... 18
5.3 Commissioning ................................................................................................................................................19
6. MAINTENANCE.................................................................................................................................20
6.1 Fault Finding ................................................................................................................................................... 20
6.1.1 Quick Fault Checklist....................................................................................................................................20
6.1.2 Fault Isolation...............................................................................................................................................20
6.1.3 Downlink .......................................................................................................................................................21
6.1.4 Uplink............................................................................................................................................................21
6.1.5 Checking service ...........................................................................................................................................21
6.1.6 Fault repair...................................................................................................................................................22
6.1.7 Service Support .............................................................................................................................................22
6.2 Tools & Test Equipment................................................................................................................................. 22
6.3 Care of Modules .............................................................................................................................................. 23
6.3.1 General Comments........................................................................................................................................23
6.3.2 Module Removal (LNA’s, general procedure):.............................................................................................23
6.3.3 Module Replacement (general):....................................................................................................................23
6.3.4 Power Amplifiers...........................................................................................................................................23
6.3.5 Low Power Amplifier Replacement...............................................................................................................24
6.3.6 Module Transportation:................................................................................................................................24
APPENDIX A INITIAL EQUIPMENT SET-UP CALCULATIONS ....................................................25