Cisco Model D9479 Gigabit QAM Modulator インストールガイド
Contents
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78-745431-01 Rev E
Adjust the RF Output Level of a Selected Carrier ............................................................. 73
Mute the RF Output of a Selected CH Carrier ................................................................... 74
Change the Carrier Mode of a Selected CH Carrier .......................................................... 75
Monitor Setup Options .......................................................................................................... 76
Inspect the Modulator ........................................................................................................... 85
Replace the Fuse ..................................................................................................................... 86
Diagnose the Fan .................................................................................................................... 88
Replace the Fan ...................................................................................................................... 90
Chapter 5 Troubleshooting the GQAM
93
Alarm Conditions .................................................................................................................. 94
Troubleshooting Alarm Messages ....................................................................................... 96
Troubleshooting Boot Screen Error Messages ................................................................. 104
Chapter 6 Customer Information
108
Appendix A Technical Specifications
109
Installation and Operation Requirements ........................................................................ 110
RF Specifications .................................................................................................................. 112
ASI Input Specifications ...................................................................................................... 113
Modulation Specifications .................................................................................................. 114
Digital I/O Performance Specifications ............................................................................ 115
Connector Type .................................................................................................................... 116
Factory Default Settings ...................................................................................................... 117
Standard Output Frequencies ............................................................................................ 118