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Operation
3.2.4.2 Demodulator Operation Fault
The fault menu displays DEMOD fault(s) when a demodulator backup switching
operation failure occurs. The messages will be either of the following:
BK-UP FAULT DMD X
ALL DMDS D/L X FAULTED
3.2.4.3 M:N Faults
The fault menu displays M:N fault(s) when a communication, configuration, setup,
and/or power supply failure occurs. The messages will be any of the following:
MODEM X COMM FAILURE
MODEM BX COMM FAILURE
CONFIG VERIFY ERROR M (or D) X
CONFIG VERIFY ERROR BM (or BD) X
BK-UP M (or D) X NOT COMPATIBLE
PRIME M (or D) X NOT COMPATIBLE
NO ADDRESS FOR PRIME X
NO ADDRESS FOR BK-UP X
NO INTERFACE FOR PRIME X
NO INTERFACE FOR BK-UP X
NO D/L FOR DMD X
NO CONFIG FOR PRIME M (or D) X
NO CONFIG FOR BK-UP M (or D) X
+12V FAILURE
-12V FAILURE
+5V FAILURE
POWER SUPPLY 1 FAULT
POWER SUPPLY 2 FAULT
3.2.4.4 Battery Faults
The fault menu displays a BATTERY fault when an M&C battery failure (low voltage)
occurs in the switch. The message will be as follows:
M&C BATTERY FAULT
3–14
(Where: X = 1 to 8.)
(Where: X = 1 to 7.)
SMS-758 Modem Protection Switch
(Where X = 1 to 8.)
(Where X = 1 to 2.)
(Where X = 1 to 8.)
(Where X = 1 to 2.)
(Where X = 1 to 2.)
(Where X = 1 to 8.)
(Where X = 1 to 8.)
(Where X = 1 to 2.)
(Where X = 1 to 8.)
(Where X = 1 to 2.)
(Where X = 1 to 8.)
(Where X = 1 to 8.)
(Where X = 1 to 2.)
MN/SMS758 Rev. 3
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