Cisco ONS 15454 Troubleshooting Manual page 17

Chapter 1 General Troubleshooting
Complete the
Step 4
TXP Port" procedure on page
the cross-connect card.
Step 5 Complete the
Test the Standby XC10G Cross-Connect Card
Step 1 Perform a reset on the standby cross-connect card:
a.
b.
c.
d.
Step 2 Initiate an external switching command (side switch) on the cross-connect cards before you retest the
loopback circuit:
Cross-connect side switches are service-affecting. Any live traffic on any card in the node endures a hit
Caution
of up to 50 ms.
a.
b.
c.
d.
Step 3 Resend test traffic on the loopback circuit.
The test traffic now travels through the alternate cross-connect card.
Step 4 If the test set indicates a faulty circuit, assume the cross-connect card is not causing the problem. Clear
the XC loopback circuit:
a.
b.
c.
d.
e.
November 2004
"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, there might be a problem with
"Test the Standby XC10G Cross-Connect Card" procedure on page
Determine the standby cross-connect card. On both the physical node and the CTC node view
window, the standby cross-connect's ACT/SBY LED is amber and the active card's ACT/SBY LED
is green.
Position the cursor over the standby cross-connect card.
Right-click and choose RESET CARD.
Click Yes in the confirmation dialog box.
Determine the standby cross-connect card. On both the physical node and the CTC node view
window, the standby cross-connect's ACT/SBY LED is amber and the active card's ACT/SBY LED
is green.
In the node view, select the Maintenance > Cross-Connect > Card 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.
Click the Circuits tab.
Choose the XC loopback circuit being tested.
Click Delete.
Click Yes in the Delete Circuits dialog box.
Confirm that the XC loopback circuit is deleted form the Circuits tab list. If the test set indicates a
good circuit, the problem might be a defective cross-connect card.
1.3.3 Perform an XC Loopback on a Destination Node OC-N STS (West to East)
Cisco ONS 15454 Troubleshooting Guide, R4.6
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