How to RJ-45 with 3 pair (6 wires) cable
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Posted by DLR on August 17, 2006, 12:31 am
Please log in for more thread options Carl Navarro wrote: >> wrote:
>> >>> Hi,
>>> I have network cable thru newly fnished house, the wiring is done from >>> mechanical room into 6 different rooms. I am planning to crimp RJ-45 >>> connectors on each end but have the problem because I don't know whch >>> scheme to use. The problem is that in some rooms I have 4-pair (8 >>> wires) but in some rooms I have 3-pair (6 wires) cables. What scheme >>> should I use for RJ-45 connectors in both cases in order to have all 6 >>> rooms fully functional. >>> Website links, pictures, ideas is all welcome! >>> >>> Thanks! >>
>> It's a good thing you came to the internet, because we will tell all >> we know in the next 2 minutes. >> >> The THREE pair cable isn't network, the cable ends get jacks, and hire >> someone who knmows what they're doing and you won't have to ask this >> kind of question. >> >> Carl Navarro >
Actually he should have said "clown" pay to pull 4 pair cat 5 cable.
> P.S. And get a refund from the clown who ran 3 pair cable. > All this is moot if all the guy wants is 3 phone lines. His original post is missing quite a few basic details. Can you imagine someone buying this house a few years from now and trying to figure out what the heck is going on? | ||||||||||||||||||||||||||||||||||||||||||||||
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Posted by Perkowski on August 16, 2006, 10:13 pm
Please log in for more thread options goto Home Despot and buy Leviton Category 5e jacks and get yourself a box of 500' Category 5e. Buy 12 cat 5e patch cords, 1 12 port Cat 5e patch panel w/mounting bracket and youll be good to go I think Dmitri here has a website of his that can help you with pinouts You want to cable either 568A ot 568B. I wire up with B The Leviton Jack is color coded and comes with a small plastic termination tool You will also need faceplates and face plate brackets for your walls. Perkowski > Hi,
> I have network cable thru newly fnished house, the wiring is done from > mechanical room into 6 different rooms. I am planning to crimp RJ-45 > connectors on each end but have the problem because I don't know whch > scheme to use. The problem is that in some rooms I have 4-pair (8 > wires) but in some rooms I have 3-pair (6 wires) cables. What scheme > should I use for RJ-45 connectors in both cases in order to have all 6 > rooms fully functional. > Website links, pictures, ideas is all welcome! > > Thanks! > | ||||||||||||||||||||||||||||||||||||||||||||||
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Posted by glen herrmannsfeldt on August 16, 2006, 10:22 pm
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djenka2 wrote: > I have network cable thru newly fnished house, the wiring is done from
> mechanical room into 6 different rooms. I am planning to crimp RJ-45 > connectors on each end but have the problem because I don't know whch > scheme to use. The problem is that in some rooms I have 4-pair (8 > wires) but in some rooms I have 3-pair (6 wires) cables. What scheme > should I use for RJ-45 connectors in both cases in order to have all 6 > rooms fully functional. Most likely, the 3-pair cable was meant for phone use. If it is rated Cat-3 you can use it for 10baseT. It is best to connect solid wire to jacks, and use stranded wire patch cords from jacks to equipment. For the mechanical room end you can probably get away with wiring to plugs, as it won't move around much. The 4 pair cable should be wired according to the TIA 468A or 468B standard, 468B is: 1 white-orange 2 orange 3 white-green 4 blue 5 white-blue 6 green 7 white-brown 8 brown The important part is that the pairs (1,2), (3,6), (4,5) and (7,8) be the two wires of a twisted pair. For phone use, I believe that pins 3-6 are usually still 3 white-green 4 blue 5 white-blue 6 green and the third pair, I believe orange/white-orange goes to 2 and 7. Sometimes phone wire will have (red, green), (yellow, black), (blue, and white), paired as parenthesized. For phones those go to (4,5), (3,6), and (2,7), though I am not sure of the standard for which wire to which pin of each pair. If the 3-pair cable is Cat-3, and you really want it for 10baseT networking, put the third pair on (1,2). Gigabit needs all four pairs, but you won't get that through Cat-3 cable, anyway. (Well, for short distance you might, but you don't want to.) -- glen | ||||||||||||||||||||||||||||||||||||||||||||||
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Posted by DecaturTxCowboy on August 16, 2006, 10:51 pm
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djenka2 wrote: > he problem is that in some rooms I have 4-pair (8
> wires) but in some rooms I have 3-pair (6 wires) cables. What scheme > should I use for RJ-45 connectors in both cases in order to have all 6 > rooms fully functional. Is the 3 pair cable CAT5 rated? At any rate, as long as you have pins 1,2 4. and 6 connected, that's all you'll need for an ethernet connection. The white/orange and white/green pairs. http://www.ablecomm.info/colorcodes.htm http://www.ablecomm.info/wiresinjk.jpg http://www.cabling-design.com/references/pinouts/t568ab.shtml | ||||||||||||||||||||||||||||||||||||||||||||||
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Posted by glen herrmannsfeldt on August 17, 2006, 12:33 am
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DecaturTxCowboy wrote: (snip) > Is the 3 pair cable CAT5 rated?
> At any rate, as long as you have pins 1,2 4. and 6 connected, that's all
> you'll need for an ethernet connection. The white/orange and white/green > pairs. I think your finger slipped, that should be (1,2) and (3,6), parenthesis indicating wires of the same twisted pair. > http://www.ablecomm.info/colorcodes.htm
OK, the one above has the wiring for four color phone cable, the (red,green) pair goes to (4,5) and the (black,yellow) pair to (3,6). I believe the third pair in such cable is (blue,white), and for phone use would go to (2,7) or (7,2), all numbers for an 8 pin plug or jack. > http://www.ablecomm.info/wiresinjk.jpg
Note that when mixed with phone wiring, 568A is slightly more convenient, as two pairs are on the same pins. > http://www.cabling-design.com/references/pinouts/t568ab.shtml
-- glen | ||||||||||||||||||||||||||||||||||||||||||||||
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