User's Manual

800MHz Tetra Repeater
User Handbook
Handbook Nō.-55-151501HBK Issue No:-A
Date:-22/04/2005
Page:-
3 of 31
6.1.1 Fault Finding............................................................................................................................................ 26
6.1.2 Downlink................................................................................................................................................... 27
6.1.3 Uplink ....................................................................................................................................................... 27
6.1.4 Fault repair............................................................................................................................................... 27
6.1.5 Checking service....................................................................................................................................... 28
6.1.6 Service Support......................................................................................................................................... 28
6.2 Tools & Test Equipment ............................................................................................................................ 28
6.3 Care of Modules.......................................................................................................................................... 29
6.3.1 General Comments ................................................................................................................................... 29
6.3.2 Module Removal (LNA’s, general procedure): ........................................................................................ 29
6.3.3 Module Replacement (general): ............................................................................................................... 29
6.3.4 Power Amplifiers ...................................................................................................................................... 29
6.3.5 Low Power Amplifier Replacement .......................................................................................................... 30
6.3.6 Module Transportation: ........................................................................................................................... 30
APPENDIX A INITIAL EQUIPMENT SET-UP CALCULATIONS.................................................31