Cisco NCS 2000 series, Руководство по устранению неисправностей

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Terminal loopbacks require on-site personnel. Note
Complete the Create a Terminal Loopback on Intermediate-Node MXP or TXP Ports, on page 19 .
Create a Terminal Loopback on Intermediate-Node MXP or TXP Ports
SUMMARY STEPS
1.
Connect an optical test set to the port you are testing:
2. Adjust the test set accordingly. (Refer to manufacturer instructions for test set use.)
3.
Create the terminal loopback on the destination port being tested:
4. Complete the Test and Clear the MXP or TXP Terminal Loopback Circuit, on page 20 .
DETAILED STEPS
Step 1 Connect an optical test set to the port you are testing:
For specific procedures to connect, set up, and use the test set equipment, consult the manufacturer.
Note
a) If you just completed the Create a Facility Loopback on an Intermediate-Node MXP or TXP Port, on page 15 , leave
the optical test set hooked up to the source-node port.
b) If you are starting the current procedure without the optical test set hooked up to the source port, use appropriate
cabling to attach the Tx and Rx terminals of the optical test set to the port you are testing. Both Tx and Rx connect
to the same port.
Step 2
Adjust the test set accordingly. (Refer to manufacturer instructions for test set use.)
Step 3 Create the terminal loopback on the destination port being tested:
a) Go to node view (single-shelf mode) or shelf view (multishelf mode) of the intermediate node:
• Choose View > Go To Other Node from the menu bar.
• Choose the node (or shelf) from the drop-down list in the Select Node dialog box and click OK .
b) In node view (single-shelf mode) or shelf view (multishelf mode), double-click the card that requires the loopback.
c) Click the
Maintenance > Loopback tabs.
d) Select OOS,MT (or locked,maintenance) from the Admin State column. If this is a multiport card, select the row
appropriate for the desired port.
e) Select Terminal (Inward) from the Loopback Type column. If this is a multiport card, select the row appropriate
for the desired port.
f) Click
Apply.
g) Click Yes in the confirmation dialog box.
Step 4
Complete the Test and Clear the MXP or TXP Terminal Loopback Circuit, on page 20 .
Cisco NCS 2000 series Troubleshooting Guide, Release 11.0
19
General Troubleshooting
Create a Terminal Loopback on Intermediate-Node MXP or TXP Ports