Cisco ONS 15454 Troubleshooting Manual page 127

Chapter 1 General Troubleshooting
d.
e.
f.
g.
Complete the
Step 6
Test and Clear the Ethernet Terminal Loopback Circuit
If the test set is not already sending traffic, send test traffic on the loopback circuit.
Step 1
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.
d.
e.
f.
Clear the terminal loopback circuit:
Step 4
a.
b.
c.
d.
Complete the
Step 5
Test the Ethernet 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.
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
November 2009
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 Ethernet Terminal Loopback Circuit" procedure on page
Double-click the intermediate-node card with the terminal loopback to open the card view.
Click the Maintenance > Loopback tabs.
Select None from the Loopback Type column for the port being tested.
Select the appropriate state (IS; OOS,DSBLD; OOS,MT) in 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.
"Test the Ethernet Card" procedure on page
"Physically Replace a Traffic Card" procedure on page 2-273
"Physically Replace a Traffic Card" procedure on page 2-273
1.5.5 Create a Terminal Loopback on Intermediate-Node Ethernet Ports
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Cisco ONS 15454 Troubleshooting Guide, R8.5
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for the suspected bad card
for the defective card.
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