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How to Make Crossover Cable

 
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Rhys



Joined: 17 Apr 2007
Posts: 701
Location: Florida

PostPosted: Tue Apr 15, 2008 9:24 pm    Post subject: How to Make Crossover Cable Reply with quote

I don't have a crimper, and IT won't provide me a crossover cable to replace the one that has broken tabs on both ends in the training room that goes from the IP phone to the switch, leading to all the PCs in the training room being disconnected from the network whenever anyone moves the phone in order to call me to ask me how to log in, etc.

So, here's how to make crossover cable with scissors and tape*:

1. Cut your patch cable in half and strip the wires on both halves
2. Connect the solid green wires to the solid orange wires
3. Connect the striped green wires to the striped orange wires
4. Connect the other wires to the matching color.
5. Tape it up!
6. (Optional) Add a tag to both ends that says "Crossover"

*Not responsible for any damages.

P.S. I tied the cable in a square knot in order to prevent strain from reaching the splice.
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jaco0646



Joined: 07 Oct 2006
Posts: 487
Location: MN, USA

PostPosted: Wed Apr 16, 2008 12:33 am    Post subject: Reply with quote

Laughing I've had to do this very thing a couple times myself. I've noticed many retail stores selling crossover cables for a higher price than regular CAT5... Question Question Question It's the exact same material!
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[VxE]



Joined: 07 Oct 2006
Posts: 883

PostPosted: Wed Apr 16, 2008 3:19 am    Post subject: Reply with quote

@ Rhys, you forgot to mention that duct tape is the ideal tape for this Razz

Yeah, it's odd how crossover cables sometimes cost more at the store, though it's probably because there's less demand for them (or because some sales guy who doesn't know the difference between 'CAT5' and 'CATS' thinks 'crossover' sounds more expensive)
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Rhys



Joined: 17 Apr 2007
Posts: 701
Location: Florida

PostPosted: Wed Apr 16, 2008 1:32 pm    Post subject: Reply with quote

I thought it was widely known that duct tape is ideal for anything, with the sole exception of sealing ducts. Rolling Eyes

I think in my next life I'm going to be a cable manufacturer - The markup is insane!
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widow
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PostPosted: Wed Apr 16, 2008 10:45 pm    Post subject: Reply with quote

Duck tape is good for anything. Doesnt need to say. Very Happy
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[VxE]



Joined: 07 Oct 2006
Posts: 883

PostPosted: Thu Apr 17, 2008 12:06 am    Post subject: Reply with quote

widow wrote:
Duck tape is good for anything. Doesnt need to say. Very Happy
Some people still believe that electrical tape is supposed to be used for electronics Rolling Eyes Laughing

Anyways, net cable is an awesome business at the right venue. Just buy a crimper, a big bag of RJ45-m connectors and a ¼ Km spool of cable, and set up shop right in front of a college dorm complex for the first couple days of the term. Then you can undercut the dorm's store prices and still make a nice profit.
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Trubbleguy



Joined: 20 Jan 2007
Posts: 73
Location: Melbourne

PostPosted: Thu Apr 17, 2008 8:14 am    Post subject: Reply with quote

demand dictates the price, lower demand means higher price

UNLESS its coca cola and their bottled water lines:

500ml Coke $2.60 (filtered water used in process)
500ml Water $3.00 (same filtered water)

the water is 1/10th the cost to filter than to create coke with all its additives yet is more expensive
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jaco0646



Joined: 07 Oct 2006
Posts: 487
Location: MN, USA

PostPosted: Thu Apr 17, 2008 12:43 pm    Post subject: Reply with quote

Trubbleguy wrote:
lower demand means higher price
Question
So... you're saying if people don't want a product, they'll pay more for it?
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TheIrishThug



Joined: 19 Mar 2006
Posts: 360

PostPosted: Thu Apr 17, 2008 1:03 pm    Post subject: Reply with quote

No. If there is lower demand, the seller will have to have a higher price to cover the margin. There is always someone out there that is willing to pay some ridiculous price for something not a lot of people want/have.
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jaco0646



Joined: 07 Oct 2006
Posts: 487
Location: MN, USA

PostPosted: Fri Apr 18, 2008 12:56 am    Post subject: Reply with quote

Supply and Demand

Demand and Price are directly related.
Wikipedia wrote:
The graph depicts an increase in demand... along with a consequent increase in price

The first graph on that Wikipedia page is also the first graph you see in a microeconomics course.

Trubbleguy should have wrote:
Supply and Demand dictate the price: lower supply means higher price.

Since most CAT5 cable is not turned into crossover cable, there is a lower supply of crossover versus CAT5; thus, a higher price on the crossover. To be fair, there is also probably a lower demand for the crossover compared to regular network cable; but the lower demand brings the price down, not up. It moderates the effect of lower supply.
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