Default K-bytes

Description

A bidirectional line-switched ring (BLSR) is detecting default K-bytes. When this alarm is present, protection switching at the BLSR node is unavailable.

Alarm Data

Value/Meaning

Severity Levels

Critical (CR), Major (MJ), Minor (MN), Not Alarmed (NA), Not Reported (NR)

Default: Major (MJ)

ASAP Type

BLSR Protection Group

AID Type

OC-48 line

OC-192 line

Date

Month/day/year that the condition was detected

Time

Hour:minute:second that the condition was detected

Probable Cause

BLSR-DKB (BLSR Default K-Bytes)

Effect on Service

NSA

Alarm Entity Type

OC48

OC192

Description

Default K-bytes

Likely Cause

A node is added or deleted from the BLSR; an adjacent node on the ring is being initialized; an adjacent node on the ring is being powered-up or powered-down; the provisioning of the nodes on the ring is inconsistent (for example, one or more nodes on the ring are provisioned to UPSR rather than BLSR).

Visible Indication

Lighted CR, MJ, or MN LED on the SYSCTL faceplate (when the severity level is provisioned to Critical, Major, or Minor, respectively)

Action

Proceed to Procedure 5-19: Clear "Default K-bytes" alarm.

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