LAN and Telecom Cabling cable picture

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Subject Author Date
cable picture elease.alsip 11-29-05
---> Re: cable picture Doug McIntyre11-29-05
  ---> Re: cable picture Watson A.Name -...12-27-05
Posted by on November 29, 2005, 4:11 pm
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Can you give me a picture with the cable inversion necesary for connecting 2
computers on UTP directly by cable?


Best regards,
elease.alsip@booomail.com
http://www.poweroversoftware.com


Posted by Doug McIntyre on November 29, 2005, 6:09 pm
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elease.alsip@booomail.com writes:
> Can you give me a picture with the cable inversion necesary for
> connecting 2 computers on UTP directly by cable?

Swap the green and orange pairs. Thats all there is to it.

Most stores that sell computers now-a-days do carry cross-over cables.


Posted by Watson A.Name - \"Watt Sun, th on December 27, 2005, 4:31 am
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> elease.alsip@booomail.com writes:
> > Can you give me a picture with the cable inversion necesary for
> > connecting 2 computers on UTP directly by cable?
>
> Swap the green and orange pairs. Thats all there is to it.

Not necessarily. Nowadays many if not all the newer PCs are coming with
a 10/100/1000 NIC, and the crossover cable with just the green and
orange swapped will not be able to go above 100MB. If both of your PCs
are 10/100/1000 and have auto detection to test the cable, they might
work okay with a straight thru cable. Remember that 1000 requires both
sending and receiving on each pair.

> Most stores that sell computers now-a-days do carry cross-over cables.

If you use a 'crossover cable' make sure you label it conspicuously on
both ends or make it a very bright and unique color, so that you
_will_NOT_ try to use it for a straight thru cable, and end up wasting
an hour troubleshooting a problem that's caused by the cable.




Posted by Al Dykes on December 26, 2005, 7:44 pm
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>
>> elease.alsip@booomail.com writes:
>> > Can you give me a picture with the cable inversion necesary for
>> > connecting 2 computers on UTP directly by cable?
>>
>> Swap the green and orange pairs. Thats all there is to it.
>
>Not necessarily. Nowadays many if not all the newer PCs are coming with
>a 10/100/1000 NIC, and the crossover cable with just the green and
>orange swapped will not be able to go above 100MB. If both of your PCs
>are 10/100/1000 and have auto detection to test the cable, they might
>work okay with a straight thru cable. Remember that 1000 requires both
>sending and receiving on each pair.
>


Is there a GBE crossover cable?

--
a d y k e s @ p a n i x . c o m

Don't blame me. I voted for Gore.


Posted by Robert Redelmeier on December 27, 2005, 6:00 pm
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> Is there a GBE crossover cable?

AFAIK No. GBE always have MDI/MDI-X that detects pair wiring
and adjusts accordingly.

-- Robert

>


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