Cisco ONS 15454 Troubleshooting Manual page 43

Chapter 1 General Troubleshooting
If the test set indicates a good circuit, no further testing is necessary on the loopback circuit. Clear the
Step 3
terminal loopback state on the port:
a.
b.
c.
d.
e.
f.
Clear the terminal loopback circuit:
Step 4
a.
b.
c.
d.
Step 5 Complete the
TXP Port" procedure on page
card.
Complete the
Step 6
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 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 TAC (1 800 553-2447).
Complete the
Step 4
Clear the terminal loopback on the port before testing the next segment of the network circuit path:
Step 5
a.
b.
c.
d.
e.
f.
Clear the terminal loopback circuit before testing the next segment of the network circuit path:
Step 6
a.
November 2004
1.5.2 Perform a Terminal (Inward) Loopback on a Source-Node OC-N, G-Series, MXP, or TXP Port
Double-click the card in the source node 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.
"Create a Facility (Line) Loopback on an Intermediate-Node OC-N, G-Series, MXP, or
1-48. If the test set indicates a faulty circuit, the problem might be a faulty
"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 card in the source node 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.
for the suspected bad card and
for the defective card.
Cisco ONS 15454 Troubleshooting Guide, R4.6
1-43.
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