Switch S3 — Alarm De-Activation Time
When the D-SERV DSU/CSU is in an alarmed state, a certain set
period of time must elapse without the occurrence of another alarm
before the alarmed state can be cleared. The D-SERV options are 1, 5,
10 and 15 seconds.
Network alarms are Loss of Signal (LOS), Alarm Indication Signal
(AIS), and Out of Frame (OOF).
Switches S3-7 and S3-8 configure the Alarm De-activation Time.
Switch S3 — Alarm De-Activation Time
De-Activation Time
7
8
15 seconds
Down
Down
10 seconds
Up
Down
5 seconds
Down
Up
1 second
Up
Up
Figure 10. S3 Location
Operator's Manual
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