Severity Levels

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

Default: Major (MJ)

ASAP Type

Subshelf

AID Type

Subshelf

Date

Month/day/year that the condition was detected

Time

Hour:minute:second that the condition was detected

Probable Cause

REMLINK (Host/Remote Subsystem Link Failure)

Effect on Service

CR, MJ, MN = NSA

Not Alarmed = Standing Condition (SC)

Alarm Entity Type

EQPT

Description

Subshelf Communication Failed

Likely Cause

The LAN3 connection, identified as DLAN on the back of a shelf, or the control communications link between the main shelf and each subshelf failed. To support more than one subshelf, the LAN3 port of the main shelf and of each subshelf must be connected to an Ethernet hub capable of supporting 100Mb operation. No special cable is required.

Visible Indication

Lighted CR, MJ, or MN LED on the SYSCTL faceplate (when the severity level is provisioned to Critical, Major, Minor, or Not Alarmed respectively).

Action

Proceed to Procedure 5-134: Clear "Subshelf Communication Failed” alarm.