Test The Facility Loopback Circuit - Cisco ONS 15310-CL Troubleshooting Manual

1.3.6 Perform a Facility Loopback on a Destination-Node OC-N Port
Note
Step 4 Create the facility loopback on the destination port being tested:
a.
b.
c.
d.
e.
f.
g.
Continue with the
Step 5

Test the Facility Loopback Circuit

If the test set is not already sending traffic, send test traffic on the loopback circuit.
Step 1
Examine the traffic received by the test set. Look for errors or any other signal information that the test
Step 2
set is capable of indicating.
If the test set indicates a good circuit, no further testing is necessary with the facility loopback:
Clear the facility loopback:
Step 3
a.
b.
c.
d.
e.
Clear the facility loopback circuit:
Step 4
a.
b.
c.
d.
Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
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It is normal for a 1.7.158 LPBKFACILITY (OCN)
The condition clears when you remove the loopback.
Go to the node view of the destination node:
• From the View menu, choose Go To Other Node.
Choose the node from the drop-down list in the Select Node dialog box and click OK.
•
In node view, double-click the 15310-CL-CTX or CTX2500 with the OC-N port that requires the
loopback.
Click the Maintenance > Optical > Loopback > Port tabs.
Select OOS,MT from the Admin State column.
Select Terminal from the Loopback Type column.
Click Apply.
Click Yes in the confirmation dialog box.
It is normal for a 1.7.158 LPBKFACILITY (OCN)
Note
setup. The condition clears when you remove the loopback.
"Test the Facility Loopback Circuit" procedure on page
Click the Maintenance > Optical > Loopback > Port tabs.
Choose None from the Loopback Type column for the port being tested.
Choose the appropriate state (IS,AINS; OOS,DSBLD; or OOS,MT) from the Admin State column
for the port being tested.
Click Apply.
Click Yes in the confirmation dialog box.
Click the Circuits tab.
Choose the loopback circuit being tested.
Click Delete.
Click Yes in the Delete Circuits dialog box.
Chapter 1 General Troubleshooting
condition to appear during a loopback setup.
condition to appear during loopback
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