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CT1 and CE1 Interfaces Alarms, Errors, and Defects

 

Table 1 lists the ct1 and ce1 media-specific alarms or defects that can render the interface on ACX Series routers unable to pass packets.

Table 1: CT1 and CE1 Interface Alarms and Error Definitions

Alarm or Error

Definitions

Structure-Agnostic Interface Type

Structure-Aware Interface Type

AIS

Alarm indication signal (blue alarm)

ct1 and ce1 interfaces

ct1 and ce1 interfaces

BEE

Block error event

N/A

ct1 and ce1 interfaces

BES

Bursty errored seconds

N/A

ct1 and ce1 interfaces

BPV

Bipolar violation

N/A

N/A

CRC

Cyclic redundancy check (CRC)

N/A

ce1 interfaces

CRC Major

Major alarm error threshold

N/A

ce1 interfaces

CRC Minor

Minor alarm error threshold

N/A

ce1 interfaces

CS

Controlled slip

N/A

N/A

ES

Errored seconds

ct1 and ce1 interfaces

ct1 and ce1 interfaces

EXZ

Excessive zeros

N/A

N/A

FEBE

Far-end block error

N/A

ct1 and ce1 interfaces

LCV

Line code violation

ct1 and ce1 interfaces

ct1 and ce1 interfaces

LES

Line errored seconds

ct1 and ce1 interfaces

ct1 and ce1 interfaces

LOF

Loss of frame

ce1 interfaces

ct1 and ce1 interfaces

LOS

Loss of signal

ct1 and ce1 interfaces

ct1 and ce1 interfaces

PCV

Path code violation

N/A

ct1 and ce1 interfaces

SEF

Severely errored frame

N/A

ct1 and ce1 interfaces

SEFS

Severely errored frame seconds

N/A

ct1 and ce1 interfaces

SES

Severely errored seconds

ct1 and ce1 interfaces

ct1 and ce1 interfaces

UAS

Unavailable seconds

ct1 and ce1 interfaces

ct1 and ce1 interfaces

YLW

Yellow alarm

N/A

ct1 and ce1 interfaces