Figure 43: Ejector Levers and Captive Screws
Ejector lever2Captive screw1
When you install a MLC, always use the ejector levers to ensure that the card is correctly aligned with the
backplane connector, the card connector pins make contact with the backplane in the correct order, and the
card is fully seated in the backplane. A card that is only partially seated in the backplane can cause the router
to hang and subsequently crash.
Caution
5. Simultaneously pivot both ejector levers toward each other until they are perpendicular to the MLC
faceplate. This action firmly seats the card in the backplane.
6. Use a 3/16-inch flat-blade screwdriver to tighten the captive screw on each end of the MLC faceplate to
ensure proper EMI shielding and to prevent the MLC from becoming partially dislodged from the backplane.
Tighten the locking thumbscrews on both sides of the MLC to a torque of between 8.3 and 11 inch-pounds
(94 to 124 N-cm). Do not overtighten.
Cisco ASR 9000 Series Aggregation Services Router Ethernet Line Card Installation Guide
83
Installing and Removing Line Cards and Transceiver Modules
Installing a Modular Line Card
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