Chapter 7: Installing the AT-SBx81CF400 Control Card and Ethernet Line Cards
Figure 75. Removing the Blank Slot Cover from the AT-SBx81XLEM Line
Card
6. With your thumb and forefinger, pull out the retaining pin on the side of
the line card and turn it clockwise one quarter turn so that it remains in
the retracted position. Refer to Figure 76 on page 141.
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