Cisco ONS 15454 Troubleshooting Manual page 103

Chapter 1 General Troubleshooting
e.
Clear the facility loopback circuit:
Step 4
a.
b.
c.
d.
Complete the
Step 5
Test the Optical Card
Step 1 Complete the
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.
Complete the
Step 4
Clear the facility loopback from the port:
Step 5
a.
b.
c.
d.
e.
Step 6 Clear the facility loopback circuit:
a.
b.
c.
d.
Complete the
Step 7
page
1.4.5 Perform a Terminal Loopback on Intermediate-Node Optical Ports
In the next troubleshooting test, you perform a terminal loopback on the intermediate-node port to isolate
whether the destination port is causing circuit trouble. In the example situation in
terminal loopback is performed on an intermediate optical port in the circuit. You first create a
November 2009
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. Do not check any check boxes.
"Test the Optical 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.
Click the Circuits tab.
Choose the loopback circuit being tested.
Click Delete.
Click Yes in the Delete Circuits dialog box. Do not check any check boxes.
"1.4.5 Perform a Terminal Loopback on Intermediate-Node Optical Ports" procedure on
1-59.
1.4.5 Perform a Terminal Loopback on Intermediate-Node Optical Ports
1-59.
Cisco ONS 15454 Troubleshooting Guide, R8.5
for the suspected bad card
for the faulty card.
Figure 1-26, the
1-59