BLSR


Use the Bidirectional Line Switch Ring (BLSR) subtab to view BLSR information and to perform BLSR ring and span switches.

Item

Description

Type

The BLSR type, either two-fiber or four-fiber.

Rate

The BLSR OC-N rate.

Ring Name

The user-assigned BLSR name.

Node ID

The node's BLSR identification number.

West Line

Indicates the BLSR west line at the node.

West Switch

Switches the BLSR west line:

  • CLEAR-Clears a switch event not caused by a line failure.

  • LOCKOUT PROTECT SPAN-Prevents traffic from reverting to the span with the lock out applied. A lock out overrides other switching commands.

  • FORCE RING-Forces a switch. The Force Ring command overrides normal protective switching mechanisms. Applying this command incorrectly can cause traffic outages.

  • MANUAL RING-Initiates a switch.

  • EXERCISE RING-Tests the BLSR functionality without switching traffic. Ring exercise conditions (including the K-byte pass-through) are reported and cleared within 10 to 15 seconds. The field changes to NO COMMAND after the ring exercise.

  • NO COMMAND-Indicates that a switch command is not in effect.

East Line

Indicates the BLSR east line at the node.

East Switch

Switches the BLSR east line:

  • CLEAR-Clears a switch event not caused by a line failure.

  • LOCKOUT PROTECT SPAN-Prevents traffic from reverting to the span with the lock out applied. A lock out overrides other switching commands.

  • FORCE RING-Forces a switch. The Force Ring command overrides normal protective switching mechanisms. Applying this command incorrectly can cause traffic outages.

  • MANUAL RING-Initiates a switch.

  • EXERCISE RING-Tests the BLSR functionality without switching traffic. Ring exercise conditions (including the K-byte pass-through) are reported and cleared within 10 to 15 seconds. The field changes to NO COMMAND after the ring exercise.

  • NO COMMAND-Indicates that a switch command is not in effect.

Apply

Applies changes made to the BLSR subtab.

Reset

Cancels any BLSR subtab changes and returns the fields to their last-saved settings.

Help

Displays context-sensitive help.