cat 5 hub blinking light

November 2, 2010 at 22:45:17
Specs: Windows XP Pro
I have a Cat 5E cable run of 330 feet. When the cable is plugged in to the hub the light just blinds and will not turn solid. When you connect a computer it can read the network but it will not connect to it.

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November 3, 2010 at 06:33:03
You are past the ethernet limit of 328ft max. If you used high quality wire you can get away with what you have. Did you do the end terminations?

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November 3, 2010 at 19:29:19
Yes I did install and test the RJ45 end connectors. So if I shorten the run by 2 feet the line will then be OK?

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November 3, 2010 at 20:28:38
2ft isn't going to make a difference. You are already at the max which leads to crosstalk/attenuation and if there is any electrical fields near it it is severly compromized.

The wires going into the rj45 jacks should be twisted to as close as you can crimp the straight wires.

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November 3, 2010 at 20:41:02
Thanks for the information.

I am using CAT 5e and I did keep the twists as short as possible at the rj45's. Do you think it would work to put a hub at the end of the cable before connecting a computer to boost the signal?

It would be possible to put a hub at about 60' so then the longest run would be 270' but that would mean I would need to run 110 volt power to the hub.

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November 4, 2010 at 08:44:14
Splitting the run is the usual way to address this. There are ethernet extenders but they are not cheap.

Putting a switch at the far end usually doesn't do much since its the arriving signal that is the problem but if you have one it sure wouldn't hurt to try it.

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