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OM20 Universal Outdoor Modem
Maintenance and Troubleshooting
MN-OM20– Revision 5
7–3
7.2.1.2
Major Rx Alarms
Alarm
Possible Cause
FPGA CFG
Indicates a receive FPGA hardware failure.
DSP CFG
Indicates a receive DSP failure.
SIGNAL LOCK
Indicates that the demod is unable to lock to a signal.
FRAME LOCK
Indicates that the FRMing Unit is unable to find the
expected framing pattern.
MULTIFOME LOCK
Indicates that the FRMing Unit is unable to find the
expected framing pattern.
LB SYNTH PLL
Indicates that the Rx L-Band Synthesizer is not locked. This
alarm will flash on during certain modem parameter
changes. A solid indication points toward a configuration
problem within the modem.
IF SYNTH PLL
Indicates that the Rx IF Synthesizer is not locked. This
alarm will flash on during certain modem parameter
changes. A solid indication points toward a configuration
problem within the modem.
Ethernet WAN
Indicates that the WAN Port is down.
7.2.1.3
Minor Tx Alarms
Alarm
Possible Cause
TERR CLK ACT
Indicates no Terrestrial Clock activity.
TERR DATA ACT
Indicates no Tx Data activity.
TX TERR AIS
Indicates that AIS has been detected in the Tx Data Stream.
DnI FRAME LOCK
When running Drop Mode, indicates that the framing unit is
unable to find the exported terrestrial framing pattern.
DnI M-FRAME LOCK
When running Drop Mode, indicates that the framing unit is
unable to find the exported terrestrial framing pattern.
TX DVB FRAME LOCK
Indicates that the Tx Input Data Stream FRMing does not
match the user selected Tx Terr FRMing. Incorrect Tx Terr
FRMing selected. Incorrectly framed Tx Input Data Stream.
BUC CURRENT
Indicates that current is either below or above the threshold
limits of the BUC, as specified by the modem. Only active
when voltage is enabled.
BUC VOLTAGE
Indicates that the voltage is not functioning correctly when
voltage is enabled.
Содержание OM20
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Страница 32: ...OM20 Universal Outdoor Modem Installation MN OM20 Revision 5 2 12 Notes ...
Страница 38: ...OM20 Universal Outdoor Modem OM20 Initial Configuration MN OM20 Revision 5 3 6 Notes ...
Страница 66: ...OM20 Universal Outdoor Modem OM20 Theory of Operation MN OM20 Revision 5 4 28 Notes ...
Страница 138: ...OM20 Universal Outdoor Modem Web Browser Remote Protocol MN OM20 Revision 5 6 64 ...
Страница 164: ...OM20 Universal Outdoor Modem Technical Specifications MN OM20 Revision 5 8 20 Notes ...
Страница 198: ...OM20 Universal Outdoor Modem Appendix E MN OM20 Revision 5 E 16 Notes ...
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Страница 214: ...OM20 Universal Outdoor Modem Appendix G MN OM20 Revision 5 G 10 Notes ...
Страница 218: ...OM20 Universal Outdoor Modem Appendix G MN OM20 Revision 5 H 4 Notes ...
Страница 220: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX ...