19-2
Cisco ONS 15454 SDH Procedure Guide, R7.0
78-17194-01
Chapter 19 DLPs D200 to D299
DLP- D202 Apply a Lockout
The Lock On state has been applied and traffic cannot be switched to the working card. To clear the
Lock On state, see the “DLP-D203 Clear a Lock-On or Lockout” task on page 19-3.
Step 8 Return to your originating procedure (NTP).
DLP-D202 Apply a Lockout
Note Multiple lockouts in the same protection group are not allowed.
Step 1 Use the following rules to determine if you can put the intended card in a Lock Out state:
• For a 1:1 electrical protection group, you can apply a lockout to the working or protect cards.
• For a 1:N electrical protection group, you can apply a lockout to the working or protect cards.
• For a 1+1 optical protection group, you can apply a lockout to the protect port.
Step 2 In node view, click the Maintenance > Protection tabs.
Step 3 In the Protection Groups list, click the protection group that contains the card where you want to apply
the lockout.
Step 4 In the Selected Group list, click the card where you want to lock out traffic.
Step 5 In the Inhibit Switching area, click Lock Out.
Step 6 Click Ye s in the confirmation dialog box.
The lockout has been applied and traffic is switched to the opposite card. To clear the lockout, see the
“DLP-D203 Clear a Lock-On or Lockout” task on page 19-3.
Note Provisioning a Lock Out state raises a LOCKOUT-REQ or an FE-LOCKOUT-PR condition in
Cisco Transport Controller (CTC). Clearing the lockout switch request clears these conditions.
Step 7 Return to your originating procedure (NTP).
Purpose This task switches traffic from one card to another using a lockout,
which is a switching mechanism that overrides other external switching
commands (Force, Manual, and Exercise).
Tools/Equipment None
Prerequisite Procedures DLP-D60 Log into CTC, page 17-49.
Required/As Needed As needed
Onsite/Remote Onsite or remote
Security Level Maintenance or higher
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