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Home » Forums » Forum Archives » Networking and Internet Sharing » Topic # 1326

Extending a crossover cable
turve Oct-24-01 08:34 AM
I have a 10m crossover cable which has been fine for testing my p2p network, but it is too short to run permanently through the loft to my son's bedroom, which is where the other PC will be set up come Xmas.

I have a few patch cables of different lengths, and an inline connector - my question is, will this work if I use it?

Any advice gratefully received!


1. RE: Extending a crossover cable
lbyard Oct-24-01 08:16 PM
In response to message 0
The best thing to do is make a new crossover cable. There are couplers that will work, but they should (MUST) be rated CAT5 or higher. Couplers have many pin configurations. You need one that reverses the order of the pins (“cross-pinned”) from one side to the other. If you picture an RJ-45 plug (http://duxcw.com/digest/Howto/network/cable/cable7.htm, para. 6) in a position to enter one side of the coupler and rotate both the coupler and plug 180 deg., you will see (I hope) the necessity of reversing the order. The ones I’ve seen don’t look quite like telephone wire couplers you will find in most hardware stores and cost $12 - $16 dollars, or in the same ball park as a new cable.

If you are going to share a cable MODEM or DSL Internet connection, now is good time to get one more present: a broad band router (http://duxcw.com/faq/ics/waysshare.htm , http://duxcw.com/faq/ics/diffrout.htm) and replace the crossover cable with a straight-thru cable (long patch cable made with solid core wire). Larry


2. RE: Extending a crossover cable
turve Oct-29-01 09:51 AM
In response to message 1
Thanks, Larry.

Broadband of any description is a long way off in my area (No cable, DSL etc is available), so I'll get a longer crossover cable for the time being.

Of course, if my daughter ever decides she needs a PC............!


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