MS-SPRing


Use the Multiplex Section-Shared Protection Ring (MS-SPRing) subtab to view MS-SPRing information and to perform MS-SPRing and span switches.

Item

Description

Type

The MS-SPRing type, either two-fiber or four-fiber.

Rate

The MS-SPRing STM-N rate.

Ring Name

The user-assigned MS-SPRing name.

Node ID

The node's MS-SPRing identification number.

West Line

Indicates the MS-SPRing west line at the node.

West Switch

Switches the MS-SPRing 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 lockout applied. A lockout 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 MS-SPRing 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 MS-SPRing east line at the node.

East Switch

Switches the MS-SPRing 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 lockout applied. A lockout 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 MS-SPRing 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 MS-SPRing subtab.

Reset

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

Help

Displays context-sensitive help.