Cisco ONS 15454 Troubleshooting Manual page 56

1.5.6 Perform a Facility (Line) Loopback on a Destination-Node OC-N, G-Series, MXP, or TXP Port
b.
c.
d.
e.
Clear the facility (line) loopback circuit:
Step 4
a.
b.
c.
d.
Step 5 Complete the
Port" procedure on page
OC-N 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 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 TAC (1 800 553-2447).
Complete the
Step 4
Clear the facility (line) loopback on the port:
Step 5
a.
b.
c.
d.
e.
Step 6 Clear the facility loopback circuit:
a.
b.
c.
d.
Cisco ONS 15454 Troubleshooting Guide, R4.6
1-56
Choose None from the Loopback Type column for the port being tested.
Choose the appropriate state (IS, OOS, OOS_AINS) from 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.
"Perform a Terminal Loopback on a Destination Node OC-N, G-Series, MXP, or TXP
1-57. 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
Click the Maintenance > Loopback tabs.
Choose None from the Loopback Type column for the port being tested.
Choose the appropriate state (IS, OOS, OOS_AINS) from 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.
Chapter 1 General Troubleshooting
1-50.
for the suspected bad card and
for the faulty card.
November 2004