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SLM-7650 Satellite Modem
Operation
3.4.4
Stored Faults/Alarms Menu
The Stored Faults/Alarms level is accessible from the Function Select menu. The modem
stores the first 10 (Flt0 through Flt9) occurrences of fault status changes in each of the
following major fault categories:
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Each fault status change is stored with the time and date of the occurrence (i.e., when a
fault occurs). Stored faults may be viewed by entering the stored faults level from the
Select menu.
Stored faults are not maintained through controller power-on reset cycle. However, the
last known time is maintained in nonvolatile Random Access Memory (RAM). On
power-up, a common equipment fault is logged (Flt0) with that time and date. Also on
power-up, an additional common equipment fault is logged (Flt1) to indicate the power-
up time and date. The power-down and power-up times are logged as common equipment
fault 0 and common equipment fault 1, respectively.
On entering the stored faults level, press [←] or [→] to move between the fault groups
and the "Clear Stored Faults?" selections. The time and date of the first stored fault status
(Flt0) for the selected group will be displayed alternately on line 2 of the display. Press
[↑] or [↓] to cycle through the selected group's stored fault status (Flt0 through Flt9). To
display the fault status associated with the displayed time and date, press [ENTER]. To
identify the fault, press [←] or [→] to move the flashing cursor. To clear the stored faults
currently logged, press [ENTER] when the "Clear Stored Faults/Yes?" selection is
displayed.
Note:
Modulator
Demodulator
Transmit Interface
Receive Interface
Common Equipment
Faults are stored in time sequence, with the oldest fault status change stored in
Flt0, and the most recent in Flt9. Only the first 10 fault status changes are
stored. All stored faults, which have not been used, indicate "No Fault" on the
display.
3-25
Revision 4
MN/SLM7650.IOM
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