Re: wanted: a mating between COM1 and COM2

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Article #6500

#6500

From: Tom Reingold
Date: Sun, 11 May 1986 10:33

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>I would like to be able to access a device on COM1: *from* a device
>on COM2: without the IBM XT getting in the way. Does anyone out there
>have a simple PD assembler program to do this? If so, can you email
>me the reference or the package? Many thanks in advance....

I imagine this will work but am not totally certain...

Initialize both COM ports identically with a program such as MODE
or Kermit.  Then connect them together in parallel with a custom
made cable.  Pin 1 of one port should be connected to pin 1 of 
the other.  Same goes for all the other pins you use, which are
2, 3, 7, and perhaps 6 and 20.

Tom Reingold
Rockefeller University
New York City
UUCP:    {seismo|ihnp4}!cmcl2!rna!rocky2!reintom
BITNET:  REINTOM@ROCKVAX
ARPANET: reintom@rockefeller.arpa

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Path: arc1-ca.pugleaf.net!utzoo!linus!philabs!cmcl2!rna!rocky2!reintom

References: <2204@uwmacc.UUCP>

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!linus!philabs!cmcl2!rna!rocky2!reintom
From: reintom@rocky2.UUCP (Tom Reingold)
Newsgroups: net.micro.pc
Subject: Re: wanted: a mating between COM1 and COM2
Message-ID: <194@rocky2.UUCP>
Date: Sun, 11-May-86 06:33:01 EDT
Article-I.D.: rocky2.194
Posted: Sun May 11 06:33:01 1986
Date-Received: Wed, 14-May-86 07:12:36 EDT
References: <2204@uwmacc.UUCP>
Organization: Rockefeller Univ., N.Y.C. 10021
Lines: 19

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