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SDM-300A Satellite Modem
3.3.10
Faults/Alarms
Refer to Figure 3-13.
The Faults/Alarms menu is accessible from the Function Select menu. The Faults/Alarms
are similar to monitor functions, as they display the current fault status of the group being
displayed.
Press [←] or [→] to move between the following Faults/Alarms groups:
•
•
•
•
•
•
Line 2 of the display shows the current Faults/Alarms status in real time. For each
parameter monitored, fault status is displayed as one of the following:
•
•
•
Unlike faults, alarms do not cause switching to occur. To display labels for individual
faults or alarms, press [ENTER].
Press [←] or [→] to move the flashing cursor to make the selection. The label for that
Fault/Alarm is then displayed on line 1 of the display. Press [CLEAR] to exit this level of
operation and return to the previous level.
The following sections outline the faults and alarms monitored and displayed in each
group.
Rev. 4
Modulator
Demodulator
Transmit Interface
Receive Interface
Common Equipment
Backward Alarms (IDR option only)
"–" indicates that no fault or alarm exists.
"+" indicates that a fault exists, and will cause switching in a redundant system.
Reversed contrast "+" indicates an active alarm.
Operation
3–39
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