Allied Telesis AT-SBx81CFC960 - Manual (Page 131)

SwitchBlade x8112 Chassis Switch and AT-SBx81CFC960 Card Installation Guide
Section II: Installing the Chassis 131
Figure 70. Aligning the AT-SBx81CFC960 Card in the Chassis Slot
7. Carefully slide the card into the slot.
Caution
Keep the card level with the chassis as you slide it into the slot. You
might damage the components on the top or bottom of the card if
you slide it in at an angle. Refer to Figure 64 on page 127.
Caution
Do not force the AT-SBx81CFC960 Card into the slot. If you feel
resistance, remove it and try again. Be sure that the edges of the
card are properly aligned with the card guides.
8. When you feel the card make contact with the connector on the
backplane of the chassis, carefully close the two locking levers on the
front panel of the controller card to secure it in the chassis, as shown in
Figure 71 on page 132.