Cisco ONS 15454 Troubleshooting Manual page 100

1.4.3 Perform an XC Loopback on the Source Optical Port
e.
To confirm a defective original cross-connect card, complete the
Step 5
Card" procedure on page
Retest the Original Cross-Connect Card
Note This procedure is performed only on OC-N and cross-connect cards.
Initiate an external switching command (side switch) on the cross-connect cards.
Step 1
a.
b.
c.
d.
Resend test traffic on the loopback circuit.
Step 2
If the test set indicates a faulty circuit, the problem is 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 and
proceed to
are finished with testing.
Complete the
Step 4
defective card.
Step 5 If the test set indicates a good circuit, the cross-connect card might have had a temporary problem that
was cleared by the side switch. Clear the XC loopback circuit:
a.
b.
c.
d.
Complete the
Step 6
page
Cisco ONS 15454 Troubleshooting Guide, R8.5
1-56
Confirm that the XC loopback circuit is deleted from the Circuits tab list. If the test set indicates a
good circuit, the problem might be a defective cross-connect card.
1-56.
Determine the standby cross-connect card. On both the physical node and the CTC node view
window, the standby cross-connect ACT/SBY LED is amber and the active card ACT/SBY LED is
green.
In node view, select the Maintenance > Cross-Connect > Cards tabs.
In the Cross-Connect Cards area, click Switch.
Click Yes in the Confirm Switch dialog box.
Note After the active cross-connect goes into standby mode, the original standby card becomes
active and its ACT/SBY LED turns green. The former active card becomes standby and its
ACT/SBY LED turns amber.
Step 4. If the circuit is not shown to be faulty and the card is not shown to be defective, you
"Physically Replace an In-Service Cross-Connect Card" procedure on page 2-274
Click the Circuits tab.
Choose the XC loopback circuit being tested.
Click Delete.
Click Yes in the Delete Circuits dialog box. Do not check any check boxes.
"1.4.4 Perform a Facility Loopback on an Intermediate-Node Optical Port" procedure on
1-57.
Chapter 1 General Troubleshooting
"Retest the Original Cross-Connect
November 2009
for the