Common Equipment Faults; Backward Alarms - Comtech EF Data SDM-9000 Installation And Operation Manual

Operation

4.2.3.5 Common Equipment Faults

BATTERY/CLOCK
-12V SUPPLY
+12V SUPPLY
+5V SUPPLY
-5V SUPPLY
CONTROLLER
INTERFACE MODULE

4.2.3.6 Backward Alarms

BW Alarm RX #4
BW Alarm RX #3
BW Alarm RX #2
BW Alarm RX #1
BW Alarm TX #4
BW Alarm TX #3
BW Alarm TX #2
BW Alarm TX #1
Note: IDR overhead only.
4–30
Battery or clock fault
-12V power supply fault
+12V power supply fault
+5V power supply fault
-5V power supply fault
Controller fault: typically indicates the controller has gone through a
power on-off cycle
Interface module fault: typically indicates that the interface module
is missing or will not program.
RX backward alarm # 4 indicator
RX backward alarm # 3 indicator
RX backward alarm # 2 indicator
RX backward alarm # 1 indicator
TX backward alarm # 4 indicator
TX backward alarm # 3 indicator
TX backward alarm # 2 indicator
TX backward alarm # 1 indicator
SDM-9000 Satellite Modem
Rev. 4