Cisco ONS 15454 Troubleshooting Manual page 144

1.6.3 Create a Facility Loopback on an Intermediate-Node FC_MR Port
Step 8 Click Yes in the confirmation dialog box.
Complete the
Step 9
Test and Clear the FC_MR Port Facility Loopback Circuit
If the test set is not already sending traffic, send test traffic on the loopback circuit.
Step 1
Examine the traffic received by the test set. Look for errors or any other signal information that the test
Step 2
set is capable of indicating.
If the test set indicates a good circuit, no further testing is necessary with the facility loopback. Clear the
Step 3
facility loopback from the port:
a.
b.
c.
d.
e.
Complete the
Step 4
Test the FC_MR 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 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.
Step 4 Complete the
Clear the facility loopback from the port:
Step 5
a.
b.
c.
d.
e.
Complete the
Step 6
page
Cisco ONS 15454 Troubleshooting Guide, R8.5
1-100
"Test and Clear the FC_MR Port Facility Loopback Circuit" procedure on page
Click the Maintenance > Loopback 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.
"Test the FC_MR 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 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.
"1.6.4 Create a Terminal Loopback on Intermediate-Node FC_MR Ports" procedure on
1-101.
Chapter 1 General Troubleshooting
1-100.
for the suspected bad card
for the faulty card.
1-100.
November 2009