Installation manual

48 | Removing and Replacing Components
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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.
NOTE: The C300 requires at least one RPM to operate. The chassis powers down if you remove the only
RPM.
2 Extend the left and right card levers by first pressing gently down on the thumb tabs (see Figure 10-2 ) in the
ejector levers and then pulling the ejector levers simultaneously until they are in the open position. See
Figure 10-3 .
Figure 10-2. Depress the thumb tabs
Figure 10-3. Extend 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 the RPMs and Line Cards .
Step Task (continued)