Cisco ONS 15454 Troubleshooting Manual page 150

1.6.6 Perform a Terminal Loopback on a Destination-Node FC_MR Port
Note
a.
b.
Adjust the test set accordingly. (Refer to manufacturer instructions for test-set use.)
Step 2
Confirm that the newly created circuit appears on the Circuits tab list as a two-way circuit.
Step 3
Note
Create the terminal loopback on the destination port being tested:
Step 4
a.
b.
c.
d.
e.
f.
g.
Complete the
Step 5
Test and Clear the FC_MR Terminal Loopback Circuit
Step 1 If the test set is not already sending traffic, send test traffic on the loopback circuit.
Examine the test traffic being received by the test set. Look for errors or any other signal information
Step 2
that the test set is capable of indicating.
If the test set indicates a good circuit, no further testing is necessary on the loopback circuit. Clear the
Step 3
terminal loopback from the port:
a.
b.
c.
Cisco ONS 15454 Troubleshooting Guide, R8.5
1-106
For specific procedures to connect, set up, and use the test set equipment, consult the
manufacturer.
If you just completed the "1.6.5 Perform a Facility Loopback on a Destination-Node FC_MR Port"
procedure on page 1-103, leave the optical test set hooked up to the source port.
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.
It is normal for the "LPBKTERMINAL (OCN)" condition on page 2-177
loopback setup. The condition clears when you remove the loopback.
Go to the node view of the destination node:
Choose View > Go To Other Node from the menu bar.
•
Choose the node from the drop-down list in the Select Node dialog box and click OK.
•
In node view, double-click the card that requires the loopback.
Click the Maintenance > Loopback tabs.
Select OOS,MT from the Admin State column. If this is a multiport card, select the row appropriate
for the desired port.
Select Terminal from the Loopback Type column. If this is a multiport card, select the row
appropriate for the desired port.
Click Apply.
Click Yes in the confirmation dialog box.
"Test and Clear the FC_MR Terminal Loopback Circuit" procedure on page
Double-click the intermediate-node card with the terminal loopback.
Click the Maintenance > Loopback tabs.
Select None from the Loopback Type column for the port being tested.
Chapter 1 General Troubleshooting
to appear during a
1-106.
November 2009