Comtech EF Data SDM-9000, Installation And Operation Manual

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Operation SDM-9000 Satellite Modem
4–24 Rev. 4
4.2.3 Faults/Alarms
The Faults/Alarms level is accessible from the Function Select menu. 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 Fault/Alarm groups:
•
Modulator
•
Demodulator
•
TX Interface
•
RX Interface
•
Common
•
Backward Alarms (IDR overhead only)
The current Faults/Alarms status is displayed on line 2 of the display in real time.
For each parameter monitored, fault status is displayed as follows:
•
“-” indicates that no fault or alarm exists.
•
“+” indicates that a fault exists, and will cause switching in a redundant system.
•
A reversed-contrast “+” indicates an alarm is active. 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 identify the fault or alarm. The label for that Fault/Alarm is
then displayed on line 1.
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. Refer to the fault isolation section in Chapter 6 for more details on the causes of
each fault.