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14-81/19/05 ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000
Configuring Fault-tolerant PVCs
Activating a Backup Binding Port
Figure 14-4. Modify Service Name Dialog Box Containing Backup 
LPort Information
9. Verify that the Can Backup Service subfield in the Backup LPort Information field 
displays Yes. If this field displays No, you cannot use this LPort as a backup 
LPort.
10. Choose OK. The Modify Service Name dialog box closes.