Force-Switch 1+1 Ports

Replace an OC-48 Card

Purpose	This procedure forces 1+1 protection group traffic from one port in the
	group to the other. It is used to remove traffic from a card for
	replacement.
Tools/Equipment	Installed OC-N cards
Prerequisite Procedures	Installed OC-48 card
Required/As Needed	As needed
Onsite/Remote	Onsite or remote

Note The Force switch is performed even if the destination path is degraded.

Step 1 In the CTC node view, click the Maintenance > Protection tabs.

Step 2 Select the protection group you want to Force-switch from Protection Groups.

Step 3 Under Selected Groups, choose the port belonging to the card you are replacing by clicking it. For example, if the card you are replacing contains the protect/standby port, click this port.

Step 4 Click the Force button.

Step 5 If the switch is successful, the group will say either FORCE TO WORKING or FORCE TO PROTECT.

Step 6 Return to the “Replace an OC-48 Card” procedure on page 8 , or to your originating procedure.

Force-Switch Path Protection Paths

Purpose	This procedure forces all circuits in a path protection from one span to
	the other. It is used to remove traffic from a card that originates or
	terminates path protection circuits.
Tools/Equipment	Installed OC-48 card
Prerequisite Procedures	None
Required/As Needed	As needed
Onsite/Remote	Onsite or remote

Note The Force switch is performed even if the destination path is degraded.

Step 1 In the CTC node view, click View > Go to Network View if this view is not already displayed.

Step 2 Click the Circuits tab.

Step 3 Note, print, or export the list of circuits from this tab, and mark the circuits involving the slot containing the card you are replacing.

For information about doing this from CTC, refer to the procedures in the

Cisco ONS 15600 Procedure Guide.

Installing the Cisco ONS 15600 OC48/STM16 LR/LH 16 Port 1550 Card

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