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Split a network cable
rick Dec-20-00 11:41 PM

I have a ethernet network point and I want to split a network cable to take advantage of the network point, so I can have 2 computers connected to the one network point. Somebody told me you can do this, but I think you need a large RJ-45 jack to allow for the wires. Can this be done?


1. RE: Split a network cable
lbyard Dec-21-00 00:27 AM
In response to message 0
What is an Ethernet network point? I have been building Ethernets for 14 years and have never heard of one. What is a large RJ45 jack? RJ45 jacks do not come in various sizes as far as I know. Larry

2. RE: Split a network cable
dfriezen Jan-26-01 06:16 PM
In response to message 0
LAST EDITED ON Jan-26-01 AT 06:32 PM (GMT)

I have successfully split Cat5 cable. I only do this where it is impossible or infeasible to run another cable. Just to let you know, the maximum speed will be reduced to 10Mbps in each "new" connection, which should not be a problem in most situations. If you are not familiar with the basics of networking, or do not have access to the proper tools, DO NOT attempt this (I didn't mention what tools were needed because if you don't know, you shouldn't be doing this!!). You will only succeed in making your current connection unusable. Best to call in an expert if you doubt your abilities.

All disclaimers now aside, this is what you need to to:

Note: these directions apply to the T568B wiring standard.

1) I assume your current cable is connected to a switch or hub and that switch or hub has at least one free port. If not, you will need to upgrade your switch or hub.

2) At the non-switch (or hub) end of the cable, connect the following wires to the following pins of an RJ45 jack:

First jack:
-orange/white to pin 1
-orange to pin 2
-green/white to pin 3
-green to to pin 6

Second jack:
-blue to pin 1
-blue/white to pin 2
-brown/white to pin 3
-brown to to pin 6

3) At the switch (or hub) end of the cable, repeat step 2 but replace the RJ45 jack with an RJ45 plug.

4) Plug your "new" connections into the switch or hub and connect your computers or other equipment at the other end. If everything was done properly, you should now have two connections from one cable.

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