Installation manual

Removing and Replacing Components | 49
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 C7004/C150 line cards without interrupting the system power or system
operations.
To remove and replace C7004/C150 line cards:
Removing and Replacing an RPM
WARNING: After removing an RPM, place a panel blank in the empty slot before powering up the chassis.
Blanks are required to control airflow and electromagnetic interference.
Step Task
1 Unplug the network interface cables connected to the line card.
2 Extend the left and right card levers by first pressing gently down on the thumb tabs ( Figure 11-1 ) in the ejector
levers and then pulling the ejector levers simultaneously until they are in the open position, as shown in
Figure 11-2 .
Figure 11-1. Depressing the Thumb Tabs
Figure 11-2. Extending the Levers
3 Pull the card by the card levers until it is out of the slot. Avoid touching the printed circuit board and connector
pins.
4 If you are not replacing the card immediately, install a blank panel.
5 If you are replacing the card, follow the instructions in Installing RPMs and Line Cards on page 21 .