[aclug-L] Re: (no subject)

[John Reinke <jmreinke@xxxxxxxxx>]

From the original message below:
>> >Does anybody know which wires to swap to make a null network cable.
>> >(ethernet)

The word "ethernet" sorta indicated that it wasn't a null modem cable.  :-)

>Well, not really...
>
>A null modem cable is to serial communications what a crossover cable is to
>ethernet communications.
>
>Null-modem is used for serial communications... to emulate a modem.
>
>Crossover is used for ethernet communications... to emulate a hub.
>
>
>On Thu, Mar 02, 2000 at 11:46:33PM -0600, John Reinke wrote:
>> I assume a null cable is another name for a crossover cable...
>>
>> Hold the plug pointing upward, and the clip facing away from you (you
>> should see the metal contacts). The wire on the far left is number one.
>>
>> Use the chart below. The number on the left side is the pin on the first
>> plug, and the other number is the pin it matches to on the other end of the
>> cable. 10BaseT really only uses four of the eight wires, so you can match
>> the other wires to the same position on the other end.
>>
>> 1 ==> 3
>> 2 ==> 6
>> 3 ==> 1
>> 6 ==> 2
>>
>> Remember to mark the cable somehow, so you don't use it as a regular cable.
>>
>> John
>>
>> >Does anybody know which wires to swap to make a null network cable.
>> >(ethernet)
>> >
>> >I have ehernet on the cpu, and on the laptop.
>> >
>> >--
>> >Michael A. Holmes
>> >
>> >He who laughs last thinks slowest. :-)
>> >
>--
>Useless fact #3: There are 293 ways to make change for a dollar.
>--
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>  Jonathan Hall  *  jonhall@xxxxxxxxxxxx  *  PGP public key available
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>                  -=  Running Debian GNU/Linux  =-
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