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Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3
May 2002
Chapter 1 Alarm Troubleshooting
Alarm Procedures
Procedure: Clear the AUTOSW-LOP Alarm
Step 1 Verify the cabling and physical connections on the reporting card.
Step 2 Perform a soft 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.
Step 3 Do a manual switch (side 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.
Note If you do not have a protect card for the reporting card, create a new circuit on the reporting
card to achieve the same effect.
Step 4 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.
c. Highlight either selected group.
d. Click Clear and click YES at the confirmation dialog box.
Step 5 If the alarm persists, the problem is at the far-end node. Verify the stability of the cabling and physical
connections that connect to the far-end card.
Step 6 Do a soft reset on the far-end card:
a. Display the CTC node view.
b. Position the cursor over the slot reporting the alarm.
c. Right-click and choose RESET CARD.
Step 7 Perform a soft reset on the reporting card:
a. Display the CTC node view.
b. Position the cursor over the slot reporting the alarm.
c. Right-click and choose RESET CARD.
Step 8 Switch from the far-end working card to the far-end protect card.
Step 9 If the alarm persists, replace the far-end card.
Note When replacing a card with an identical type of card, you do not need to change the CTC
database.
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