LDCC


Use the LDCC subtab to view, create, edit, and delete multiplex section DCC terminations (D4-D12 bytes). These bytes provide a 576 kbps message channel for CTC alarms, maintenance, control, monitoring, and other CTC administration data.

Item

Description

Port

Displays the slot and port where the multiplex section DCC is provisioned.

OSPF Disabled on Link

Indicates whether OSPF is disabled on the link. OSPF should be disabled only when the slot and port connect to third-party equipment that does not support OSPF.

Foreign

A check mark indicates if the far-end node is a non-ONS node.

Foreign IP

Displays the foreign node IP address.

Port Service State

Indicates the multiplex section DCC port state. Service states appear in the format: Administrative State-Operational State, Status Attribute. Port service states include:

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

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

  • locked-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.

Create

Displays the Create LDCC Termination dialog box to create a new multiplex section DCC termination.

Edit

Displays the Edit LDCC Termination dialog box to edit the highlighted multiplex section DCC termination.

Delete

Deletes the multiplex section DCC termination highlighted in the LDCC Terminations list.

Help

Displays context-sensitive help.