Table 8-14. Sts-1 Mux Ds1 Alarms; Sts-1 Ds1 Alarm Condition Descriptions - ADTRAN MX2820 System Manual

Adtran mx2820 multiplexer: system manual
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MX2820 System Manual

STS-1 DS1 Alarm Condition Descriptions

Table 8-14
provides information for DS1 alarms.
DS1 Alarm
Description
LOS
This alarm indicates a DS1 Loss-of-Signal (LOS) on an
enabled line.
XCV
This alarm indicates the unit is receiving excessive code
violations from the loop (low-speed), exceeding the
threshold set by the XCV threshold parameter.
LOOP AIS
This alarm indicates that all ones are being received on a
DS1 from the loop (low-speed) direction.
CARRIER AIS
This alarm indicates that all ones are being received on a
DS1 channel from the network (high-speed) direction.
TEST
The T1/E1 interface has been placed into a test (loop-
back) mode.
8-18

Table 8-14. STS-1 MUX DS1 Alarms

Severity Level
Major
Alert
Alert
Alert
Alert
61186003L1-1D

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