Loopback (OSCM)


Use the Loopback subtab to retrieve loopback information for OSCM DWDM card.

Port

The port number.

Admin State

The port administration state. Choosing an administrative state from the drop-down list and clicking Apply changes the port's service state unless network conditions prevent the change. Admin states include:

  • unlocked-Puts the port in-service. The port service state changes to unlocked-enabled.

  • locked,disabled-Removes the port from service and disables it. The port service state changes to unlocked-enabled,disabled.

  • locked,maintenance-Removes the port from service for maintenance. The port service state changes to unlocked-enabled,maintenance. For loopbacks, the locked,maintenance admin state must be initiated.

  • unlocked,automaticInService-Puts the port in automatic in-service. The port service state changes to unlocked-disabled,automaticInService.

Service State

An autonomously generated state that gives the overall condition of the port. Service states appear in the format: Primary State-Primary State Qualifier, Secondary State. Port service states include:

  • unlocked-enabled-The port is fully operational and performing as provisioned.

  • unlocked-enabled,disabled-The port is out-of-service and unable to carry traffic.

  • unlocked-enabled,maintenance-The port is out-of-service for maintenance. Alarm reporting is suppressed, but traffic is carried and loopbacks are allowed.

  • unlocked-disabled,automaticInService-The port is out-of-service, but traffic is carried. Alarm reporting is suppressed. The ONS node monitors the ports for an error-free signal. After an error-free signal is detected, the port stays in unlocked-disabled,automaticInService state for the duration of the soak period. After the soak period ends, the port service state changes to unlocked-enabled.

Loopback Type

Allows you to provision a terminal or facility loopback, or clear an existing current loopback (none). Loopbacks can only be provisioned when the service state is unlocked-enabled,maintenance.

Inhibit Lbk

When selected, inhibits far-end loopback.

Apply

Applies changes made to the fields in the tab.

Reset

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

Help

Displays context-sensitive help.