Cisco ONS 15454 Troubleshooting Manual page 59

Chapter 1 General Troubleshooting
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.
Step 3 If the test set indicates a good circuit, no further testing is necessary on the loopback circuit. Clear the
terminal loopback from the port:
a.
b.
c.
d.
e.
f.
Clear the terminal loopback circuit:
Step 4
a.
b.
c.
d.
Step 5 If the test set indicates a faulty circuit, the problem might be a faulty card.
Step 6 Complete the
Test the OC-N, G-Series, MXP, or TXP Card
Note This procedure does not apply to Software R4.6 E-Series Ethernet, ML-Series Ethernet, and DWDM
cards.
Step 1 Complete the
replace it with a known-good card.
Step 2 Resend test traffic on the loopback circuit with a known-good card.
Step 3 If the test set indicates a good circuit, the problem was probably the defective card. Return the defective
card to Cisco through the RMA process. Contact Cisco TAC (1 800 553-2447).
Step 4 Complete the
Step 5 Clear the terminal loopback on the port:
a.
b.
c.
d.
e.
f.
November 2004
1.5.7 Perform a Terminal Loopback on a Destination Node OC-N, G-Series, MXP, or TXP Port
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.
Select the appropriate state (IS, OOS, OOS_AINS) in the 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.
The entire circuit path has now passed its comprehensive series of loopback tests. This circuit
qualifies to carry live traffic.
"Test the OC-N, G-Series, MXP, or TXP Card" procedure on page
"Physically Replace a Card" procedure on page 2-219
"Physically Replace a Card" procedure on page 2-219
Double-click the source node card with the terminal loopback.
Click the Maintenance > Loopback tabs.
Select None from the Loopback Type column for the port being tested.
Select the appropriate state (IS, OOS, OOS_AINS) in the State column for the port being tested.
Click Apply.
Click Yes in the confirmation dialog box.
for the suspected bad card and
for the defective card.
Cisco ONS 15454 Troubleshooting Guide, R4.6
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