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Posted by Carl Navarro on February 22, 2007, 7:46 pm
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On 22 Feb 2007 08:25:57 -0800, wattywatts@gmail.com wrote:
>>
>>
>> > hi, im trying to run an internet connection into our mess room at work
>> > which is about 25 meters away from the office where the computers and
>> > modem etc are. in the office the modem is connected to a router then
>> > in to a switch to feed the several computers, i have connected a short
>> > patch cable from a spare socket on the switch to my laptop and all is
>> > fine, but when i run a length (about 25 meters) of cable down to the
>> > mess room it will not connect(starts to aquire a netwok address then
>> > stops and starts again repeatedly), is the length of the cable the
>> > problem and if so is there anyway round it, the cable is the copper
>> > core (solid) type cat5 cable.
>>
>> Cat5 (if properly configured and installed) should be good up to 100 metres.
>>
>> no sharp bends in the cable, correct tool used, only the allowed amount
>> stripped or untwisted, etc.
>>
Seehttp://en.wikipedia.org/wiki/Category_5_cable,http://grouper.ieee.org/groups/802/3/tutorial/july98/kish_070798.pdforhttp://grouper.ieee.org/groups/802/3/tutorial/march98/mick_170398.pdf
>>
>> Use punch down (110) jacks at each end and then (factory made) patch cables.
>>
>> For cabling materials and tools, I've always had good luck with Milestek
>> (and I'm close enough that an order this afternoon will arrive tomorrow on
>> ups ground (g)).
>
>hi thanks for the reply, i know that it should be good for 100 meters,
>but for some reason it isnt, i have tested the cable with a lan cable
>tester and all is fine, so i made up another run of 25 meters an left
>it coiled up by the side of me, just to check whether it was the other
>cable, but still the same. would it make any difference that the cable
>is coming out of a switch, as when i put an adapter on the end to
>convert it to a crossover cable and link to pc's to gether its fine,
>ive read that the max length for patch leads is 10m does this affect
>me at all?
No.
Let's see. You're using 4 pair Cat-5e or higher rated cable, and it's
within the length limits. HOW ARE YOU WIRING THE CABLE?
Did you punch the cable down on IDC jacks and use a patch cable? Did
you crimp connectors on the ends of the solid wire? Did you make the
pretty wires match some form of color code?
I'm guessing not.
Carl Navarro
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