User Manual
PBL UHF 1 & 2 Air Interface
Maintenance Handbook
H/book Number:-60-055900HBKM
Issue No:-1
Date:-13/02/2003
Page:-4 of 4
5.2.7.6
Drg. No. 12-004270C2, PA Parts List(2).................................................................................. 66
5.2.7.7
Drg. No. 12-003670, PA to Alarm Wiring Details.................................................................... 67
5.2.8
DC/DC Converter, 24V in, 12V 8A out (13-003011) See section 5.1.7 ............................................ 68
5.2.9
Chan. Selec. & Chan. Contr. Mdls (17-003012 & 17-002101) See section 5.1.8 .............................. 68
5.2.10
21MHz IF Filter Board (17-002502) ............................................................................................ 68
5.2.10.1
Description........................................................................................................................... 68
5.2.11
Single & Dual 24Volt Relay Boards (20-001602 & 80-008902) See section 5.1.9 ........................ 68
5.2.12
SMA Coaxial Termination (93-930003) See section 5.1.10.......................................................... 68
5.2.13
24V 400W Flat-Pack Power Supply (96-300011) See section 5.1.11 ............................................ 68
5.2.14
JWS75-15/A PSU (96-300045) .................................................................................................... 68
5.2.14.1
Description........................................................................................................................... 68
5.2.14.2
Technical Specification ........................................................................................................ 68
5.2.15
Single Mode Optical Coupler (98-100001)................................................................................... 69
5.2.15.1
Description........................................................................................................................... 69
5.2.16.
Fibre Optic Receiver & Transmitter (98-200003 & 98-300003).................................................... 69
5.2.16.1
Description........................................................................................................................... 69
5.2.16.2
Technical Specification ........................................................................................................ 70
6.
INSTALLATION ....................................................................................................................74
6.1
I
NITIAL
I
NSTALLATION
R
ECORD
......................................................................................................... 74
6.2
G
ENERAL
............................................................................................................................................ 74
6.3
E
LECTRICAL
C
ONNECTIONS
............................................................................................................... 74
6.4
O
PTICAL
C
ONNECTIONS
..................................................................................................................... 74
6.5
RF C
ONNECTIONS
.............................................................................................................................. 75
6.6
C
OMMISSIONING
................................................................................................................................. 75
7. MAINTENANCE.....................................................................................................................76
7.1
G
ENERAL
P
ROCEDURES
...................................................................................................................... 76
7.1.1
Fault Finding................................................................................................................................... 76
7.1.2
Downlink ........................................................................................................................................ 77
7.1.3
Uplink............................................................................................................................................. 77
7.1.4
Fault repair...................................................................................................................................... 77
7.1.5
Checking service ............................................................................................................................. 78
7.1.6
Service Support ............................................................................................................................... 78
7.2
T
OOLS
& T
EST
E
QUIPMENT
................................................................................................................ 78
7.3
C
ARE OF
M
ODULES
............................................................................................................................. 79
7.3.1
General Comments.......................................................................................................................... 79
7.3.2
Module Removal (LNA’s, general procedure):................................................................................. 79
7.3.3
Module Replacement (general): ....................................................................................................... 79
7.3.4
Power Amplifiers............................................................................................................................. 79
7.3.5
Low Power Amplifier Replacement.................................................................................................. 80
7.3.6
Module Transportation:................................................................................................................... 80
APPENDIX A INITIAL EQUIPMENT SET-UP CALCULATIONS .......................................... 81