Allied Telesis AT-SBx81CFC960 - Manual (Page 135)

SwitchBlade x8112 Chassis Switch and AT-SBx81CFC960 Card Installation Guide
Section II: Installing the Chassis 135
Note
Store the packaging material in a safe location. You should use the
original shipping material if you need to return the unit to Allied
Telesis.
3. Carefully remove the Ethernet line card from the anti-static bag. Refer
to Figure 74.
Figure 74. Removing an Ethernet Line Card from the Anti-static Bag
4. Align the line card with the internal chassis card guides in the selected
slot in the chassis.
Figure 75 on page 136 shows an Ethernet line card aligned with slot 1.