6-52
Cisco ONS 15454 Procedure Guide, R5.0
August 2005
Chapter 6 Create Circuits and VT Tunnels
NTP-A139 Create a Half Circuit on a BLSR or 1+1 Node
• OC-48 cards—You will test either an OC-48c or a multiplexed OC-48. If you are testing an OC-48c
configure the test set for an OC-48c. If you are testing a multiplexed OC-48, configure the test set
for a multiplexed OC-48 and choose the DS-3 and/or DS-1 you will test. For information about
configuring your test set, consult your test set user guide.
• OC-192 cards—You will test an OC-192c or a multiplexed OC-192. If you are testing an OC-192c
configure the test set for an OC-192c. If you are testing a multiplexed OC-192, configure the test set
for a multiplexed OC-192 and choose the DS-3 and/or DS-1 you will test. For information about
configuring your test set, consult your test set user guide.
Step 8 Verify that the test set shows a clean signal. If a clean signal does not appear, repeat Steps 2 through 7
to make sure you have configured the test set and cabling correctly.
Step 9 Inject errors from the test set. Verify that the errors appear at the source and destination nodes.
Step 10 Clear the PM counts for the ports that you tested. See the “DLP-A349 Clear Selected PM Counts” task
on page 20-35 for instructions.
Step 11 Perform protection switch testing appropriate to the SONET topology:
• For path protection configurations, see the “DLP-A94 Path Protection Switching Test” task on
page 17-95.
• For BLSRs see the “DLP-A91 BLSR Switch Test” task on page 17-87.
Step 12 Perform a bit error rate test (BERT) for 12 hours or follow your site requirements for length of time. For
information about configuring your test set for the BERT, see your test set user guide.
Step 13 After the BERT is complete, print the results or save them to a disk for future reference. For information
about printing or saving test results, see your test set user guide.
Step 14 Complete the “DLP-A230 Change a Circuit Service State” task on page 19-19 to change the circuit and
circuit ports from OOS-MA,MT to their previous service states.
Stop. You have completed this procedure.
NTP-A139 Create a Half Circuit on a BLSR or 1+1 Node
Step 1 Complete the “DLP-A60 Log into CTC” task on page 17-66 at the node on the network where you will
create the half circuit. If you are already logged in, continue with Step 2.
Step 2 If you want to assign a name to the circuit source and destination ports before you create the circuit,
complete the “DLP-A314 Assign a Name to a Port” task on page 20-8. If not, continue with Step 3.
Step 3 From the View menu, choose Go to Network View.
Step 4 Click the Circuits tab, then click Create.
Purpose This procedure creates a DS-1, DS-3, or OC-N circuit from a drop card to
an OC-N trunk card on the same node in a BLSR or 1+1 topology.
Tools/Equipment None
Prerequisite Procedures NTP-A127 Verify Network Turn Up, page 6-4
Required/As Needed As needed
Onsite/Remote Onsite or remote
Security Level Provisioning or higher
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