Terminated Cat5e ended up "cat5"

I was changing some things in a server room this week:

Using cat5e cable and these ends

rewired a few of the connections between a switch and some server machines.

However, we experienced a network slowdown the following day because some of the servers turned their NIC down to 100MB because the new cable could not handle 1 gig...

Why did this new cable not handle 1 gig? It was only some of them too... I did run the cable on a handheld tester to verify it was okay before connecting it but the reader does not give speed rating.. simply a yes or no.

Any ideas? Simply bad terminating?

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Posted 5 years ago by fitchkd25 in LAN and Telecom Cabling

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