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Subject: Re: Q about null modem cables and auto 232.

Author: Keith Ian Price

Date: 16:45:57 08/06/02

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On August 06, 2002 at 13:40:00, Rajen Gupta wrote:

>there are 2 types: 1 is a 25 pin cable(the one which we dont want) the other(the
>one which we want is a 9 pin cable with pins 1 and 2 crossed and is quite cheap.
>
>rajen

Pins 2 and 3 (receive and transmit) are crossed. Pin 1 is for the shield ground
and is usually empty. Pin 5 should be straight through, as it is the RS232
ground.

kp



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