Cisco ONS 15454 Troubleshooting Manual page 83

Chapter 1 General Troubleshooting
Resend test traffic on the loopback circuit.
Step 3
The test traffic now travels through the alternate cross-connect card.
If the test set indicates a faulty circuit, assume the cross-connect card is not causing the problem. Clear
Step 4
the XC loopback circuit:
a.
b.
c.
d.
e.
To confirm a defective original cross-connect card, complete the
Step 5
Card" procedure on page
Retest the Original Cross-Connect Card
This procedure is performed only on OC-N and cross-connect cards.
Note
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 cross-connect card. Perform
November 2009
1.2.7 Perform an XC Loopback on a Source-Node OC-N STS (East to West) Carrying an Electrical Circuit
After the active cross-connect goes into standby mode, the original standby card becomes
Note
active and its ACT/SBY LED turns green. The former active card becomes standby and its
ACT/SBY LED turns amber.
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.
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.
1-39.
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.
After the active cross-connect goes into standby mode, the original standby card becomes
Note
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
Step 5.
Cisco ONS 15454 Troubleshooting Guide, R8.5
"Retest the Original Cross-Connect
for the
1-39