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Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3
May 2002
Chapter 4 Maintenance
Span Upgrade
Figure 4-14 Sending a Force Switch Command
Step 11
Click Next> to send a force switch command, forcing traffic to the protect lines. The Span Upgrade
Dialog box appears showing Step 7 of the wizard (Figure 4-15).
Figure 4-15 Waiting for the Force Switch Command to Take Effect
Step 12 Wait 5 to 10 seconds for the command to take effect and click Next>. An error dialog box appears if
more time is needed. The Span Upgrade Dialog box appears showing Step 8 of the wizard (Figure 4-16).
Figure 4-16 Removing the STM-N Cards from the Working Slots
Step 13
Remove the fiber and ensure that traffic is still running.
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