cross connect reliability

Marshall Eubanks tme at
Thu Sep 17 21:59:34 UTC 2009

On Sep 17, 2009, at 5:52 PM, Seth Mattinen wrote:

> Michael J McCafferty wrote:
>> All,
>> 	Today I had yet another cross-connect fail at our colo provider.  
>> From
>> memory, this is the 6th cross-connect to fail while in service, in  
>> 4yrs
>> and recently there was a bad SFP on their end as well. This seemes  
>> like
>> a high failure rate to me. When I asked about the high failure rate,
>> they said that they run a lot of cables and there is a lot of  
>> jiggling
>> and wiggling... lots of chances to get bent out of whack from  
>> activity
>> near my patches and cables.
>> 	Until a few years ago my time was spent mostly in single tenant data
>> centers, and it may be true that we made fewer cabling changes and  
>> made
>> less of a ruckus when cabling... but this still seems like a pretty  
>> high
>> failure rate at the colo.
>> 	I am curious; what do you expect the average reliability of your  
>> FastE
>> or GigE copper cross-connects at a colo?
> Never to fail? Seriously; if you're talking about a passive connection
> (optical or electrical) like a patch panel, I'd expect it to keep  
> going
> forever unless someone damages it.

Or until someone pulls out the wrong cable (which has happened to me).


> ~Seth

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