Specifications

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Cisco ONS 15454 Troubleshooting and Maintenance Guide
November 2001
Chapter 1 Alarm Troubleshooting
Caution Always use the supplied electrostatic discharge wristband when working with a powered ONS 15454.
Plug the wristband cable into the ESD jack located on the lower-right outside edge of the shelf
assembly.
Procedure: Clear the FAILTOSW-PATH Alarm on a UPSR Configuration
Step 1 Ensure that a lockout is not set on the UPSR:
a. Display the CTC network view.
b. Right-click the span (the line between the nodes).
c. Click Circuits.
d. Under Switch State, confirm that Clear appears.
e. If Clear does appear, perform Steps a – d at the next span.
f. If Clear still does not appear, click the Switch all UPSR- circuits away menu.
g. Choose Clear and click Apply.
h. Click Yes at the Confirm UPSR Switch Are You Sure? dialog box.
i. Click OK at the next dialog box.
Step 2 Check the fiber connections to ensure they are securely fastened and intact.
Step 3 Ensure the OC-N cards are active and in-service.
Step 4 Verify that the protect OC-N card paired with the active reporting OC-N card is the same type and
in-service.
Step 5 If the alarm persists and the reporting traffic card is active, do a manual switch to move traffic away from
the card:
a. At the node view, click the Maintenance > Protection tabs.
b. Double-click the protection group that contains the reporting card.
c. Click the Protect/Standby card of the selected groups.
d. Click Manual and OK.
Step 6 Perform a software reset on the reporting card:
a. Display the CTC node view.
b. Position the cursor over the slot reporting the alarm.
c. Right-click to choose RESET CARD.
d. If the alarm persists, physically reseat the reporting card.
Step 7 If the traffic does not switch over, right-click on the protect card and click Reset.
Step 8 Attempt another manual switch after the protect cards have booted up completely.
Step 9 If you are still unable to perform a switch, reseat the protect card.
Step 10 Attempt another manual switch.
Step 11 Clear the manual switch:
a. At the node view, click the Maintenance > Protection tabs.
b. Double-click the protection group that contains the reporting card.