LAN and Telecom Cabling Newbie question re connecting wall sockets

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Subject Author Date
Newbie question re connecting wall sockets Peter Charlish 11-10-06
Posted by Peter Charlish on November 10, 2006, 12:24 pm
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Newbie question, sorry.

I have a router in one room at the front of the house, and I want to
connect it to a PC in a room at the rear. So I want to run a cable
between the two rooms, ending in wall-mounted face plates. Then I'll
use ordinary patch cables to connect (a) the router to one face plate,
and (b) the PC to the other face plate.

My question is, should the cable connecting the face plates be wired
straight through, or should it be crossover (hope I've got the
terminology right!)?

Thanks.

Posted by Al Dykes on November 10, 2006, 12:26 pm
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>Newbie question, sorry.
>
>I have a router in one room at the front of the house, and I want to
>connect it to a PC in a room at the rear. So I want to run a cable
>between the two rooms, ending in wall-mounted face plates. Then I'll
>use ordinary patch cables to connect (a) the router to one face plate,
>and (b) the PC to the other face plate.
>
>My question is, should the cable connecting the face plates be wired
>straight through, or should it be crossover (hope I've got the
>terminology right!)?
>
>Thanks.


The cable in the wall (ie between the wall plates) should *always* be
wired straight unless you plan to drive someone else nuts at a later
date. That person might be you.

In the rare case you need an x-over cable it should be one of the
patch cords and it should be clearly labeled as such.



--
a d y k e s @ p a n i x . c o m
Harrison for Congress in NY 13CD www.harrison06.com
Don't blame me. I voted for Gore. A Proud signature since 2001

Posted by Bob Vaughan on November 10, 2006, 6:54 pm
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>>Newbie question, sorry.
>>
>>I have a router in one room at the front of the house, and I want to
>>connect it to a PC in a room at the rear. So I want to run a cable
>>between the two rooms, ending in wall-mounted face plates. Then I'll
>>use ordinary patch cables to connect (a) the router to one face plate,
>>and (b) the PC to the other face plate.
>>
>>My question is, should the cable connecting the face plates be wired
>>straight through, or should it be crossover (hope I've got the
>>terminology right!)?
>>
>>Thanks.
>
>
>The cable in the wall (ie between the wall plates) should *always* be
>wired straight unless you plan to drive someone else nuts at a later
>date. That person might be you.
>
>In the rare case you need an x-over cable it should be one of the
>patch cords and it should be clearly labeled as such.

I go with the concept that x-over cables should be no longer than 6-10'..
beyond that, use a straight cable, and put an adaptor on the end where
you need it, either a short crossover cable + coupler, or a jack/pigtail
adaptor.

--
-- Welcome My Son, Welcome To The Machine --
Bob Vaughan | techie @ tantivy.net                  |
         | P.O. Box 19792, Stanford, Ca 94309 |
-- I am Me, I am only Me, And no one else is Me, What could be simpler? --

Posted by decaturtxcowboy on November 10, 2006, 10:54 pm
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>> In the rare case you need an x-over cable it should be one of the
>> patch cords and it should be clearly labeled as such.

Since the teleco supplies red cross-over cable with their DSL modems, we
adopted red cables to denote a cross-over cable. If we have to make up
one, we place an inch of red heat shrink near both ends.

We also keep a six inch cross-over adapter "null modem" in field kits for
like working on web cams that are mounted up high and can't swap a cable
or connecting two laptops together. Also have a few "gender changers"
for testing stuff - that way we don't have to reach around equipment to
swap cables, just pull one end out.

> I go with the concept that x-over cables should be no longer than 6-10'..
> beyond that, use a straight cable, and put an adaptor on the end where
> you need it, either a short crossover cable + coupler, or a jack/pigtail
> adaptor.

I suppose Bob's idea above is to just simply keep cross-overs out
of the landscape to avoid confusion.


Posted by scolio on March 7, 2007, 11:02 pm
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>
>Thanks.

For future reference, crossover cables are generally used between 2 switches.
Most everything else gets punched/crimped to the "B" code, which is straight
through. Remember, a plate or panel is only pass through device that acts as
an extension of the initial run. You could also consider just putting in a
wireless router ...

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