Comtech EF Data SDM-9000 - Manual (Page 103)

Operation SDM-9000 Satellite Modem
4–30 Rev. 4
4.2.3.5 Common Equipment Faults
BATTERY/CLOCK Battery or clock fault
-12V SUPPLY -12V power supply fault
+12V SUPPLY +12V power supply fault
+5V SUPPLY +5V power supply fault
-5V SUPPLY -5V power supply fault
CONTROLLER Controller fault: typically indicates the controller has gone through a
power on-off cycle
INTERFACE MODULE Interface module fault: typically indicates that the interface module
is missing or will not program.
4.2.3.6 Backward Alarms
BW Alarm RX #4 RX backward alarm # 4 indicator
BW Alarm RX #3 RX backward alarm # 3 indicator
BW Alarm RX #2 RX backward alarm # 2 indicator
BW Alarm RX #1 RX backward alarm # 1 indicator
BW Alarm TX #4 TX backward alarm # 4 indicator
BW Alarm TX #3 TX backward alarm # 3 indicator
BW Alarm TX #2 TX backward alarm # 2 indicator
BW Alarm TX #1 TX backward alarm # 1 indicator
Note: IDR overhead only.