H3C LSW1SP4P0 User Manual page 18

Figure 6 Interface card appearance
(1) Captive screw
4. Gently push the interface card in along the guide rails until the
interface card is in close contact with the switch (see callout 1
in Figure 7). Then push the ejector levers at both sides inward (see
callout 2 in
5. Fasten the captive screws with a Philips screwdriver to fix the
interface card.
Figure 7).
(2) Ejector lever
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