Subject: Re: Null Modem Apple IIGS>PC Question...
Message-ID: <3737CC96.118571B1@swbell.net>
From: Rubywand <rubywand@swbell.net>
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Date: Tue, 11 May 1999 01:22:14 -0500
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Astro writes ...
> 
> Anyone Riddle Me This...
> 
> Does a Null Modem connection between a PC and an Apple IIGS require
> that the IIGS has a modem installed, or does it run right out of the
> [telephone icon] port of the IIGS...?
> 
 ....

     The modem cable plugged into the telephone icon port on the IIgs goes to
a NULL modem connector which goes to a modem cable connected to the PC COM-1
or COM-2 port. No actual modem is required.

     The NULL modem connector is just an adaptor or cable which swaps around
Transmit and Receive lines plus a few control lines. Each computer running a
telecom terminal 'thinks' the other computer is a modem.

     For more information, see the Telecom files (e.g. Csa2T1TCOM and
Csa2T2TCOM) on one of the FAQs sites:


Pure Text for downloading or Viewing via an FTP program ...
  ftp://ground.ecn.uiowa.edu/apple2/Faqs/
 
Text formatted for on-line perusing via Netscape, etc. ...
  ftp://apple.cabi.net/pub/applegs/FAQs.and.INFO/A2.Csa2.FAQs/
  http://www.grin.net/~cturley/A2.FAQs.and.INFO/CSA2.FAQs/

HTML web site versions of the FAQs
  http://home.swbell.net/rubywand/A2FAQs1START.html
  http://members.xoom.com/apple_II/faqs.html


Rubywand