Hi everyone：
these days，i have met a problem that is our MSC and SIP-800 line card look like have some error in slot 0/0.we can see MSC when we use “show inventory” command，but we cannot see MSC when we use “show platform”.So we run a RMA with MSC and SIP-800.
Unfortunately，it is not working after we replace these line cards.So，I guess it is a problem with the CRS slot.but i do not know how to check health of the slot.if you know how to do it，please give me some advice，thanks a lot！
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Rps-Cheers | If it solves your problem, please mark as answer. Thanks !
