Common Equipment Faults; Backward Alarms - Comtech EF Data SDM-300A Installation And Operation Manual

Operation
3.3.10.5

Common Equipment Faults

BATTERY/CLOCK
-12V SUPPLY
+12V SUPPLY
+5V SUPPLY
SELF TEST
CONTROLLER
INTERFACE MODULE
3.3.10.6

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: Only available with IDR selected.
3–42
Battery or clock fault.
-12V power supply fault.
+12V power supply fault.
+5V power supply fault.
Built in self test 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.
Receive backward alarm #4 indicator.
Receive backward alarm #3 indicator.
Receive backward alarm #2 indicator.
Receive backward alarm #1 indicator.
Transmit backward alarm #4 indicator.
Transmit backward alarm #3 indicator.
Transmit backward alarm #2 indicator.
Transmit backward alarm #1 indicator.
SDM-300A Satellite Modem
Rev. 4