Cisco ONS 15454 Troubleshooting Manual page 27

Chapter 1 General Troubleshooting
Complete the
Step 4
procedure on page
XC10G card.
Step 5 Complete the
Test the Standby XC10G Cross-Connect Card
Note Two XC10G cross-connect cards (active and standby) must be in use on a node to use this procedure.
Perform a reset on the standby XC10G cross-connect card to make it the active card:
Step 1
a.
b.
c.
d.
Initiate an external switching command (side switch) on the cross-connect cards before you retest the
Step 2
loopback circuit:
Caution Cross-connect side switches are service-affecting. Any live traffic on any card in the node endures a hit
of up to 50 ms.
a.
b.
c.
d.
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 hairpin circuit:
a.
b.
c.
November 2004
"Perform a Terminal (Inward) Loopback on a Destination DS-N Port (West to East)"
1-18. If the test set indicates a faulty circuit, there might be a problem with the
"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 XC10G 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 XC10G cross-connect goes into standby mode, the original standby card
Note
becomes 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 hairpin circuit being tested.
Click Delete.
1.3.6 Perform a Hairpin Test on a Destination Node Port (East to West)
Cisco ONS 15454 Troubleshooting Guide, R4.6
1-13.
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