Installation manual

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 C300 line cards without interrupting the system power or system
operations.
To remove and replace 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.