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Alarm Settings
Programming Reference
4-26 DBS-EX23-530 Revised April 2000
Parameter Sync Loss Relay
Description Determines whether the system closes the alarm relay on the ISDN
MDF card in the event of sync loss alarms.
The alarm relay can be connected to an external alarm device such
as a buzzer. The external alarm device must be purchased sepa-
rately; it is not provided with the DBS ISDN.
Sync-loss alarms result from clocking errors.
Programming Master cabinet: FF1 9# 4# 4# 4# 3# (0-1)#
Slave cabinet: FF1 9# 4# 5# 4# 3# (0-1)#
Options
0=Off (Alarm relay does not close.)
1=On (Alarm relay closes.)
Parameter Frame Loss Relay
Description Determines whether the system closes the alarm relay on the ISDN
MDF card in the event of frame loss alarms.
The alarm relay can be connected to an external alarm device such
as a buzzer. The external alarm device must be purchased sepa-
rately; it is not provided with the DBS ISDN.
Programming Master cabinet: FF1 9# 4# 4# 4# 4# (0-1)#
Slave cabinet: FF1 9# 4# 5# 4# 4# (0-1)#
Options
0=Off (Alarm relay does not close.)
1=On (Alarm relay closes.)
Parameter AIS Relay
Description Determines whether the system closes the alarm relay on the ISDN
MDF card in the event of alarm indication signals.
An alarm indication signal is comprised of all 1’s and is unframed.
The alarm relay can be connected to an external alarm device such
as a buzzer. The external alarm device must be purchased sepa-
rately; it is not provided with the DBS ISDN.
Programming Master cabinet: FF1 9# 4# 4# 4# 5# (0-1)#
Slave cabinet: FF1 9# 4# 5# 4# 5# (0-1)#
Options
0=Off (Alarm relay does not close.)
1=On (Alarm relay closes.)