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SDM-300L3 Satellite Modem
Fault Isolation
BATTERY/CLOCK
-12V POWER SUPPLY
+12V POWER SUPPLY
+5V SUPPLY
CONTROLLER
SELF TEST
INTERFACE MODULE
BACKWARD ALARMS
(IDR ONLY)
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
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COMMON EQUIP FAULTS
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Figure 9-1. SDM-300L3 Fault Tree (Continued)
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9–4
MN/SDM300L3.IOM
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Revision 1
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