Specifications

Removing and Replacing Components | 47
To remove and replace a supply:
Removing and Replacing a Line Card
WARNING: Do not remove a panel blank unless you are ready to install a line card into that slot. After
removing a line card, immediately place a panel blank in the empty slot. Blanks are required to control airflow
and electromagnetic interference.
You can add, replace, or remove C7008/C300 line cards without interrupting the system power or system
operations.
To remove and replace C7008/C300 line cards:
Step Task
1 If the chassis is in the non-redundant power supply configuration, shut down the chassis.
If you are removing a redundant power supply, toggle the switch on the power supply to the OFF (bottom)
position.
2 If applicable, disconnect the power cable from the AC power source and the front of the power supply.
3 Pull the power supply out of the slot using the handle.
4 If you are not replacing the power supply, insert a panel blank. See Figure 2-1 for the correct orientation.
5 Toggle the switch on the replacement power supply to the OFF position.
6 Slide the new power supply into the power supply slot. See Figure 7-1 for the correct orientation.
7 Plug the AC power cord into the power receptacle in the face of the power supply. See Figure 7-2 for the location.
8 Plug the AC power cord into an AC outlet.
9 Toggle the switch on the power supply to the ON (top) position.
10 Turn up the chassis if necessary.
Step Task
1 Unplug the network interface cables connected to the line card.