7-12
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
September 2005
Chapter 7 Create Channels and Circuits
DLP-G106 Delete Optical Channel Network Connections
• OCHNC Direction—Choose the OCHNC direction, either East to West or West to East. If you
choose West to East, the channel will exit the node through the LINE-TX port of the OSC-CSM-E
or OPT-BST-E, named the East Side Card by Cisco MetroPlanner (typically these cards are hosted
by Slot 17). If you choose East to West, the channel will exit the node through the LINE-TX port of
the OSC-CSM-W or OPT-BST-W, named the West Side Card by Cisco MetroPlanner (typically
these cards are hosted by Slot 1).
• Bidirectional—Check this check box to create a bidirectional OCHNC; uncheck it to create a
unidirectional OCHNC.
Step 6 Click Next.
Step 7 In the Circuit Source area, choose the source node from the Node drop-down list.
Step 8 Click Next.
Step 9 In the Circuit Destination area, choose the destination node from the Node drop-down list.
Step 10 Click Finish. The circuit might take a few minutes to come up, depending on the size of the network. If
problems persist, refer to the Cisco ONS 15454 DWDM Troubleshooting Guide as necessary.
Step 11 Return to your originating procedure (NTP).
DLP-G106 Delete Optical Channel Network Connections
Step 1 Complete the “NTP-G103 Back Up the Database” procedure on page 13-2, or record the circuit
information if it will be recreated.
Step 2 Consult your network operations center (NOC) or other appropriate personnel to verify that the OCHNC
can be safely deleted.
Step 3 Investigate all network alarms and resolve any problems that might be affected by the OCHNC deletion.
Step 4 Choose View > Go to Network View.
Step 5 Click the Circuits tab.
Step 6 Choose the OCHNCs you want to delete, then click Delete.
Step 7 In the Delete Circuits confirmation dialog box, check Notify when completed, as needed.
If checked, the CTC Alerts confirmation dialog box indicates when the OCHNC is deleted. During this
time, you cannot perform other CTC functions. If you are deleting many OCHNCs, waiting for
confirmation might take a few minutes. Circuits are deleted whether or not this check box is checked.
Purpose This task deletes circuits and DWDM OCHNCs.
Tools/Equipment None
Prerequisite Procedures DLP-G46 Log into CTC, page 2-25
Required/As Needed As needed
Onsite/Remote Onsite or remote
Security Level Provisioning or higher
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