Instruction manual

61200780L1-1C © 2004 ADTRAN, Inc. 152
ATLAS 800 Series System Manual T3 D&I Option Module
DS3 Alarm Status
DS3 Alarm Status
Read security: 5
Displays the current alarm status of the primary and secondary T3 interfaces.
Prt Read security: 5
Indicates the port number.
Alarms Read security: 5
Displays the alarm status for the T3 circuit. An asterisk (*) indicates the
presence of an alarm and a dash (-) indicates no alarm. The following alarms are
monitored:
FE Alarms Read security: 5
Displays received alarms from the far-end equipment.
Rx Framing Indicates whether Rx framing is being used on the T3 circuit. An asterisk (*)
indicates the presence of Rx framing and a dash (-) indicates no Rx framing
present.
DS3 Performance Current
Write security: 3; Read security: 5
The performance fields (either current, 15-minute total, or 24-hour total) provide status on key
performance measures as specified in ANSI T1.231-1993 for DS3 interfaces.
Prt Displays the port number.
Clr Clears performance information for the selected port.
ES_L (Errored Seconds - Line) Count of seconds containing excessive zeros, LOS, or
BPVs, not due to line code substitutions.
SES_L (Severely Errored Seconds - Line) Count of seconds containing excessive zeros,
LOS, or BPVs, not due to line code substitutions above a predetermined
threshold.
Alarm Description
LOS
Loss of Signal. There is no T3 signal detected on the port interface.
Red
Loss of Frame or Red Alarm. Received T3 cannot be frame-synchronized. A
Red Alarm is indicated when the T3 has been out of frame for 2.5 seconds.
Blue
Alarm Indication Signal or Blue Alarm. Receiving alarm indication signal in the
T3 payload from far end equipment indicating a problem upstream.
Yellow
Remote Alarm Indication or Yellow Alarm. Receiving RAI signal from far-end
equipment indicating that the far-end equipment is in red alarm.