Prompt Response Description
...
OOS2 1-(15)-255s Out-of-Service threshold
NNC2 1-(15)-255s No New Calls threshold
MNT2 1-(15)-255s Maintenance Threshold
PERS 50 Alarm persistence timer (in multiples of 2ms)
CLRS 50 Clearance persistence timer (in multiples of 2ms)
OOSC 1-(5)-255 Out of service count limit. After this number is reached, the
card does not auto-enable
Alarm threshold recommendations for digital trunks
If a digital trunk is present in an IP
expansion cabinet/Media Gateway, link outages due to data
network degradation between a main cabinet/Call Server and an expansion cabinet/Media
Gateway cause alarms on the far end of the digital trunk. If link outages are frequent, you can
increase alarm thresholds on the far end to prevent the trunk from being placed in a state that
requires manual intervention to recover.
NTAK79 faceplate LEDs
The NTAK79 circuit card has a total of seven faceplate LEDs. Five of the LEDs are directly
associated with the operation of the Primary Rate interface (PRI). The remaining two LEDs
are associated with the on-board clock controller and the on-board D-channel interface (DCHI).
Refer to
Table 77: NTAK79 faceplate LEDs on page 156.
Table 77: NTAK79 faceplate LEDs
LED State Definition
OOS
On (Red) The NTAK79 2.0 Mb PRI circuit card is either disabled
or out-of-service.
Off
The NTAK79 2.0 Mb PRI is not in a disabled state.
ACT
On (Green) The NTAK79 2.0 Mb PRI circuit card is in an active
state.
Off The NTAK79 2.0 Mb PRI is in a disabled state. The
OOS LED is Red.
RED
On (Red) A Red alarm state has been detected. This represents
a local alarm state of Loss of Carrier (LOS), Loss of
Frame (LFAS) or Loss of CRC Multiframe (LMAS).
Red Off No Red (local) alarm.
2.0 Mb PRI maintenance
156 ISDN Primary Rate Interface Maintenance November 2011
Comments? infodev@avaya.com
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