Cisco ONS 15454 Troubleshooting Manual page 93

Chapter 1 General Troubleshooting
Note
Complete the
Step 8
Test and Clear 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
Step 3
facility loopback:
a.
b.
c.
d.
e.
Complete the
Step 4
Test the OC-N Card
Complete the
Step 1
and replace it with a known-good one.
Resend test traffic on the loopback circuit with a known-good card installed.
Step 2
If the test set indicates a good circuit, the problem was probably the defective card. Return the defective
Step 3
card to Cisco through the RMA process. Contact Cisco Technical Support at 1 800 553-2447.
Step 4 Complete the
Clear the facility loopback:
Step 5
a.
b.
c.
d.
e.
November 2009
It is normal for the "CLPBKFACILITY (OCN)" condition on page 2-172
"LPBKFACILITY (G1000)" condition on page 2-172
condition clears when you remove the loopback.
"Test and Clear the Facility Loopback Circuit" procedure on page
Click the Maintenance > Loopback > Port tabs.
Choose None from the Loopback Type column for the port being tested.
Choose the appropriate state (IS; OOS,DSBLD; OOS,MT; IS,AINS) from the Admin State column
for the port being tested.
Click Apply.
Click Yes in the confirmation dialog box.
"Test the OC-N Card" procedure on page
"Physically Replace a Traffic Card" procedure on page 2-273
"Physically Replace a Traffic Card" procedure on page 2-273
Click the Maintenance > Loopback > Port tabs.
Choose None from the Loopback Type column for the port being tested.
Choose the appropriate state (IS; OOS,DSBLD; OOS,MT; IS,AINS) from the Admin State column
for the port being tested.
Click Apply.
Click Yes in the confirmation dialog box.
1.4.1 Perform a Facility Loopback on a Source-Node Optical Port
to appear during loopback setup. The
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Cisco ONS 15454 Troubleshooting Guide, R8.5
or the
1-49.
for the suspected bad card
for the faulty card.
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