Installation guide

Chapter 5: Installing the AT-SBx81CFC400 Control Card and Ethernet Line Cards
106
Installing the Blank Slot Covers
After installing the AT-SBx81CFC400 Control Cards and Ethernet line
cards, check the front panel for any unused slots and cover them with the
blank slot covers included with the chassis, as explained in this procedure.
The fan module may not be able to maintain adequate airflow across the
control and line cards if the chassis is not completely enclosed. If there are
no unused slots, go to Chapter 6, “Installing the Transceivers and Cabling
the Ports” on page 109.
To install the blank panels on the unused slots, perform the following
procedure:
1. Position a blank slot cover over an unused slot, as shown in Figure 65.
Figure 65. Installing a Blank Slot Cover
2. Finger tighten the two thumbscrews to attach the blank panel to the
chassis, as shown in Figure 66 on page 107.