ViaSat VBM-1400, Installation And User Manual

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VBM-1400 Broadband Modulator Installation and User’s Guide
Rev. 002 1018360
ix
4.6.1 EIA-485 Bus Address................................................................................................................................... 4-10
4.6.2 EIA-485 Data Format.................................................................................................................................. 4-11
4.6.3 EIA-485 Data Rate ...................................................................................................................................... 4-11
5. GENERAL THEORY OF OPERATION ................................................................................................................. 5-1
5.1 P
OWER
D
ISTRIBUTION
............................................................................................................................................ 5-1
5.2 M
ONITOR AND
C
ONTROL
....................................................................................................................................... 5-1
5.3 R
EFERENCE
S
IGNAL
............................................................................................................................................... 5-2
5.4 S
IGNAL
F
LOW
........................................................................................................................................................ 5-2
6. MAINTENANCE INSTRUCTIONS ......................................................................................................................... 6-1
6.1 I
NTRODUCTION
....................................................................................................................................................... 6-1
6.2 I
NSPECTION
............................................................................................................................................................ 6-1
6.2.1 VBM-1400 Chassis Inspection....................................................................................................................... 6-1
6.2.2 Inspection of Cable Assemblies and Connectors ........................................................................................... 6-1
6.3 C
LEANING
.............................................................................................................................................................. 6-1
6.3.1 Cleaning VBM-1400 Chassis......................................................................................................................... 6-2
6.3.2 Cleaning Connectors ..................................................................................................................................... 6-2
6.4 G
ENERAL
T
ROUBLESHOOTING
............................................................................................................................... 6-2
6.5 E
QUIPMENT
T
ROUBLESHOOTING
............................................................................................................................ 6-2
6.5.1 No Power....................................................................................................................................................... 6-3
6.5.2 No Remote Control ........................................................................................................................................ 6-4
6.5.3 No Output Signal from Unit........................................................................................................................... 6-5
6.5.4 MAJOR FAULT LED On............................................................................................................................... 6-6
6.5.5 MINOR FAULT LED On............................................................................................................................... 6-7
6.5.6 No or Incorrect Display................................................................................................................................. 6-8
6.5.7 No or Incorrect LED Operation .................................................................................................................... 6-9
6.6 R
EMOVAL AND
R
EPLACEMENT
............................................................................................................................ 6-10
6.6.1 Removing the VBM-1400............................................................................................................................. 6-10
6.6.2 Replacing the VBM-1400............................................................................................................................. 6-10
6.6.3 Removing and Replacing Cables and Connectors....................................................................................... 6-10
7. RESHIPMENT ............................................................................................................................................................ 7-1
7.1 R
ETURN TO THE
F
ACTORY
..................................................................................................................................... 7-1
7.2 P
ACKAGING
............................................................................................................................................................ 7-1
7.3 S
HIPPING
................................................................................................................................................................ 7-1
APPENDIX A VBM-1400 PARAMETER WORKSHEET...................................................................................... A-1
APPENDIX B INSTALLATION CHECKLIST ....................................................................................................... B-1
APPENDIX C GLOSSARY ........................................................................................................................................ C-1
APPENDIX D INDEX ................................................................................................................................................. D-1
APPENDIX E DRAWINGS........................................................................................................................................ E-1