Telephone User Manual

Alarm Settings Programming Reference
4-18 DBS-EX23-530 Revised April 2000
Table 4-2. Alarm-related programs
Loss of
Signal
The DBS activates a loss of signal alarm when the
incoming ISDN signal is not received for more
than 150 ms.
FF key (after the counter is exceeded)
CFA LED on the ISDN card
OOF LED on the ISDN card
Note:
The LEDs on the ISDN card are normally steadily lit during an alarm condition. However, SLIP
alarms cause the SLIP LED to blink rather than light.
Parameter Address Function
Yellow Alarms
Yellow Alarm Send FF1 9# 4# 4# 1# 7# (0-1)#
FF1 9# 4# 5# 1# 7# (0-1)#
Determines whether the DBS sends a yellow
alarm to the CO.
Yellow Alarm Counter FF1 9# 4# 4# 3# 6# (0-9000)#
FF1 9# 4# 5# 3# 6# (0-9000)#
Error counter for the Yellow Alarm FF key.
Yellow Alarm Relay FF1 9# 4# 4# 4# 1# (0-1)#
FF1 9# 4# 5# 4# 1# (0-1)#
Determines if the alarm relay on the ISDN
MDF card closes in the event of yellow
alarms.
Red Alarms
Red Alarm Detection FF1 9# 4# 4# 2# 1# (0-15)#
FF1 9# 4# 5# 2# 1# (0-15)#
The red alarm value is determined by network
requirements. This value should not be
changed.
When a red alarm occurs, the CFA LED on
the ISDN card lights, and the alarm relay on
the ISDN MDF card closes.
Red Alarm Recovery FF1 9# 4# 4# 2# 2# (0-15)#
FF1 9# 4# 5# 2# 2# (0-15)#
Determines how long the DBS tries to recover
from a red alarm before it re-syncs the ISDN
trunk.
Red Alarm Counter FF1 9# 4# 4# 3# 3# (0-9000)#
FF1 9# 4# 5# 3# 3# (0-9000)#
Error counter for the Red Alarm FF key.
Red Alarm Relay FF1 9# 4# 4# 4# 2# (0-1)#
FF1 9# 4# 5# 4# 2# (0-1)#
Determines if the alarm relay on the ISDN
MDF card closes in the event of red alarms.
Alarm Indication Signal
AIS Relay FF1 9# 4# 4# 4# 5# (0-1)#
FF1 9# 4# 5# 4# 5# (0-1)#
Determines if the alarm relay on the ISDN
MDF card closes in the event of an alarm indi-
cation signal. An alarm indication signal is
comprised of all 1’s and is unframed.
Frame Loss Alarms
Frame Loss Counter FF1 9# 4# 4# 3# 1# (0-9000)#
FF1 9# 4# 5# 3# 1# (0-9000)#
Error counter for the Frame Loss FF key.
Frame Loss Relay FF1 9# 4# 4# 4# 4# (0-1)#
FF1 9# 4# 5# 4# 4# (0-1)#
Determines if the alarm relay on the ISDN
MDF card closes in the event of frame loss
alarms.