Comtech EF Data SDM-300L3 - Manual (Page 141)

SDM-300L3 Satellite Modem Revision 1
Front Panel Operation MN/SDM300L3.IOM
4–73
FUNCTION SELECT: FAULTS/ALARMS: OUTDOOR UNIT
OUTDOOR UNIT
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Note: Faults are only displayed if active.
Fault Active - When:
Current Displays a current fault. ODU (BUC) Power is On and Low or/High Current Alarm set.
Voltage Displays a voltage fault. ODU (BUC) Power is On and ODU Voltage deviates more than
20% from nominal.
Temperature Displays a temperature fault. ODU (BUC) Power is On and FSK is ON.
PLL Lock Displays PLL Lock fault. ODU (BUC) Power is On and FSK is ON.
Checksum Displays checksum fault. ODU (BUC) Power is On and FSK is ON.