Specifications

3-30
Cisco ONS 15454 Troubleshooting and Maintenance Guide
November 2001
Chapter 3 Maintenance
Protection Group Switching
Step 2 Under Protection Groups, click on the protection group you want to switch.
Step 3 Under Selected Group, click on the card you want to lock traffic onto.
Step 4 From Inhibit Switching, click on Lock On.
Step 5 Click Yes on the confirmation dialog box.
The Lock On has been applied and traffic cannot be switched to the opposite card. To clear the Lock On,
see the “Clear a Lock On or Lock Out” procedure on page 3-30.
Procedure: Apply a Lock Out
Note Multiple Lock Outs in the same protection group is not allowed.
To switch traffic from one card to another, apply a Lock Out. Identify which protection group you have
to determine which card can be placed in a Lock Out state:
• For a 1:1 electrical protection group, both the working and protect cards can be placed in the Lock
Out state.
• For a 1:N electrical protection group, both the working and protect cards can be placed in the Lock
Out state.
• For a 1+1 optical protection group, only the protect card can be placed in the Lock Out state.
Step 1 In Node view, click the Maintenance > Protection tabs.
Step 2 Under Protection Groups, click on the protection group you want to switch.
Step 3 Under Selected Group, click on the card you want to lock traffic out of.
Step 4 From Inhibit Switching, click on Lock Out.
Step 5 Click Yes on the confirmation dialog box.
The lock out has been applied and traffic is switched to the opposite card. To clear the Lock Out, see the
“Clear a Lock On or Lock Out” procedure on page 3-30.
Procedure: Clear a Lock On or Lock Out
Step 1 In Node view, click the Maintenance > Protection tabs.
Step 2 Under Selected Group, click on the card you want to clear.
Step 3 From Inhibit Switching, click on Unlock.
Step 4 Click Yes on the confirmation dialog box.
The Lock On or Lock Out is cleared.