H3C LSWM124TG2H User Manual page 7

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① Unpack the card. Press the latch on the card to release the ejector lever.
从包装袋中取出接口模块扩展卡，并按压锁闩使扳手弹出。
② Insert the card slowly into the slot along the guide rails.
将接口模块扩展卡沿着插槽导轨水平缓慢地推进接口模块扩展卡插槽。
③ Rotate inward the ejector lever until the latch locks the ejector lever in place.
将扳手用力向内扣合，此时锁闩自动卡住扳手。
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