User's Manual

Maintenance Handbook
Baltimore Radio Repeater System
Handbook No. 60-166801HBKM Page 3 of 23
Table of Contents
1. INTRODUCTION.......................................................................................................................... 2
Scope and Purpose of this Document................................................................................................. 2
Limitation of Liability Notice................................................................................................................. 2
2. SAFETY CONSIDERATIONS...................................................................................................... 4
2.1 Earthing of Equipment .............................................................................................................. 4
2.2 Electric Shock Hazard............................................................................................................... 4
2.3 RF Radiation Hazard ................................................................................................................ 4
2.4 Chemical Hazard ...................................................................................................................... 5
2.5 Laser safety .............................................................................................................................. 5
2.6 Emergency Contact Numbers................................................................................................... 5
3. EQUIPMENT OVERVIEW/SPECIFICATIONS............................................................................. 6
3.1 Off-Air (M.O.C.E) Remote Repeater (60-166801) .................................................................... 7
3.2 Off-Air (M.O.C.E) Remote Repeater Description................................................................... 7
3.3 Off-Air (M.O.C.E) Remote Repeater Technical Specifications .............................................. 7
3.4 Off-Air (M.O.C.E) Remote Repeater Mechanical Specifications ........................................... 7
3.5 Off-Air (M.O.C.E) Remote Repeater System Diagram, Drg. No. 60-166881......................... 8
3.6 Off-Air (M.O.C.E) Remote Repeater Alarm Wiring Details, Drg. No. 60-166851................... 9
3.7 MOCE Site UHF AIF BDA Outline Drawing, Drg. Nǀ. 60-166891 ....................................... 10
3.8 Off-Air (M.O.C.E) Remote Repeater Parts List (60-166801) ............................................... 11
4. INSTALLATION & COMMISIONING.......................................................................................... 12
4.1 Initial Installation Record......................................................................................................... 12
4.2 Antenna Installation & Gain Calculations................................................................................ 12
4.3 Antenna Isolation .................................................................................................................... 13
4.4 Rack Mounted Equipment.......................................................................................................14
4.5 Optical Connections................................................................................................................ 14
4.6 Wall Mounted Equipment........................................................................................................ 15
4.7 RF Connections ...................................................................................................................... 15
4.8 RF Commissioning.................................................................................................................. 15
5. FAULT FINDING / MAINTENANCE........................................................................................... 16
5.1 Tools & Test Equipment.......................................................................................................... 16
5.2 Basic Fault Finding ................................................................................................................. 16
5.3 Quick Fault Checklist .............................................................................................................. 17
5.4 Downlink ................................................................................................................................. 17
5.5 Uplink...................................................................................................................................... 17
5.6 Fault repair.............................................................................................................................. 17
5.7 Service Support ...................................................................................................................... 17
5.8 Care of Modules...................................................................................................................... 18
5.9 Module Removal (LNAs, general procedure):......................................................................... 18
5.10 Module Replacement (general): .......................................................................................... 18
5.11 Power Amplifiers.................................................................................................................. 18
5.12 Low Power Amplifier Replacement...................................................................................... 19
5.13 Module Transportation:........................................................................................................ 19
6 APPENDIXES ............................................................................................................................ 20
6.1 Glossary of Terms used in this document............................................................................... 20
6.2 AFL RF Module Drawing Key ................................................................................................. 21
6.3 EC Declaration of Conformity .................................................................................................22
6.4 Amendment List Record Sheet ............................................................................................... 23