Chapter 3. Configuration
61200290L1-1 MX2800 User Manual 3-23
DS2 Alarm Traps
T1/E1 Alarm Traps
Trap If enabled, the unit issues a trap when...
OOF the DS2 detects a framing loss from the net-
work.
AIS the DS2 is receiving an AIS (blue) alarm condi-
tion from the network. AIS alarms occur when
the unit is receiving unframed all ones.
RAI the DS2 is receiving an RAI (yellow) alarm from
the network. This alarm is a signal sent back to-
ward the source of a failed transmit circuit. The
X-bits (X1 and X2) are set to zero.
Trap If enabled, the unit issues a trap when...
Local T1/E1 Alarms
LOS the unit has lost the Rx signal on a T1/E1.
CAIS (carrier
side AIS)
the T1 is receiving all ones from the DS3 side
of the network.
LAIS (loop side
AIS)
the T1 is receiving all ones from the DSX-1 in-
terface.
XCV the unit is receiving excessive code violations
across a T1/E1, exceeding the configured
threshold (see
XCV Threshold
on page 3-12).
T1/E1 Failure a T1/E1 has failed.
In/Out Test a T1/E1 is going in and out of test.
Far-End Alarms (only available in C-Bit Parity mode)
Multiple DS1
LOS
the far-end equipment has lost multiple T1/E1
lines.
Single DS1
LOS
the far-end equipment has lost a single T1/E1.
DS1 Eqpt Fail
SA
a service-affecting equipment failure is being
reported by the far-end.
DS1 Eqpt Fail
NSA
a non-service-affecting equipment failure is be-
ing reported by the far-end.
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