forced switch

Description

A user-initiated forced protection switch is active on a 1+1 OC-N line, 1+1_BIDIR OC-N line, 1+1_OPTM OC-N line, a path switched ring, or a 1+1 equipment-protected pair.

Alarm Data

Value/Meaning

Severity Levels

Not Alarmed (NA)

AID Type

OC-3, OC-12, OC-48, OC-192 line

STS-1, STS-3c, STS-12c, STS-48c, or STS-192c Ring Channel

VT1.5 Ring Channel

Slot

Date

Month/day/year that the condition was detected

Time

Hour:minute:second that the condition was detected

Probable Cause

WKSWPR-1 (Working facility/equipment switched to protection unit 1)

WKSWPR-2 (Working facility/equipment switched to protection unit 2)

Effect on Service

Standing Condition (SC)

Alarm Entity Type

OC3, OC12, OC48, OC192

STS1, STS3C, STS12C, STS48C, or STS192C

VT1

Slot = EQPT

Description

forced switch

Likely Cause

User selected Fault → Protection Switch, highlighted a 1+1 Equip, 1+1 Line, 1+1_BIDIR line, 1+1_OPTM Line, or Path Protection Group, and provisioned the Switch Type as Forced.

Visible Indication

Lighted ABN LED on the SYSCTL faceplate.

Action

Proceed to Procedure 5-42: Clear "forced switch" condition.

November 2011Copyright © 2011 Alcatel-Lucent. All rights reserved.