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Cisco ONS 15310-MA SDH Troubleshooting Guide, Release 9.0
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Chapter 2 Alarm Troubleshooting
Frequently Used Alarm Troubleshooting Procedures
Initiate a Lock-On Command
Note For ONS 15310-MA SDH 1:1 electrical protection groups, working or protect cards can be placed in the
Lock On state. For a 1+1/LMSP optical protection group, only the working port can be placed in the
Lock On state.
Step 1 In node view, click the Maintenance > Protection tabs.
Step 2 In the Protection Groups list, click the protection group where you want to apply a lock-on.
Step 3 If you determine that the protect card is in standby mode and you want to apply the lock-on to the protect
card, make the protect card active if necessary:
a. In the Selected Group list, click the protect card.
b. In the Switch Commands area, click Force.
Step 4 In the Selected Group list, click the active card where you want to lock traffic.
Step 5 In the Inhibit Switching area, click Lock On.
Step 6 Click Ye s in the confirmation dialog box.
Initiate a Card or Port Lockout Command
Note For ONS 15310-MA SDH 1:1 electrical protection groups, working or protect cards can be placed in the
Lock Out state. For a 1+1/LMSP optical protection group, only the protect port can be placed in the Lock
Out state.
Step 1 In node view, click the Maintenance > Protection tabs.
Step 2 In the Protection Groups list, click the protection group that contains the card you want to lock out.
Step 3 In the Selected Group list, click the card where you want to lock out traffic.
Step 4 In the Inhibit Switching area, click Lock Out.
Step 5 Click Ye s in the confirmation dialog box.
The lockout has been applied and traffic is switched to the opposite card.
Clear a Lock-On or Lockout Command
Step 1 In node view, click the Maintenance > Protection tabs.
Step 2 In the Protection Groups list, click the protection group that contains the card you want to clear.
Step 3 In the Selected Group list, click the card you want to clear.
Step 4 In the Inhibit Switching area, click Unlock.
Step 5 Click Ye s in the confirmation dialog box.
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