Path: utzoo!attcan!uunet!munnari!basser!metro!ipso!runx!avenger
From: avenger@runx.ips.oz (Troy Rollo )
Newsgroups: aus.general,aus.computers.ibm-pc,comp.protocols.ibm
Subject: Re: Re: Telix/Boyan, more help please on cable connections?
Message-ID: <2051@runx.ips.oz>
Date: 20 Mar 89 01:26:41 GMT
References: <2930@vaxc.cc.monash.edu.au>
Organization: RUNX Un*x Timeshare.  Sydney, Australia.
Lines: 37

> 
> In article <5838@wolfen.cc.uow.oz>, git@wolfen.cc.uow.oz (Git Proctor) writes:
>>        Re: Telix/Boyan jump to DOS shell. Thankyou for the suggestions.
>> The problem seems to be in my modem cable, it has not been set up to
>> do the handshaking correctly. As I am a programmer, it would probably
>  [lots and lots of stuff deleted]
> 
> Did I suggest earlier that there was not enough information provided???
> Speaking as one programmer to another, you've got 2 choices:
> 1. Ribbon. Everything to everything works just fine.  Believe it or not, that's
>    the way this stuff was designed!
> 2. Ribbon with some of the wires left out.  Connect SG,RXD,TXD,DSR,DTR,RTS,CTS,
>    CD using the same pin numbers at each end and most everything works.  
>    Add RI if you can use it.  Any guesses why an AT has 9 pins?
> Yes I know you can do all sorts of neat stuff with jumpers and the like, but
> for me the cable should be transparent and the configuration done using software
> and the occasional DIP switch.

	Not really..... Maestro modems and many other pieces of hardware like
to be difficult..... here is the fix:

	On the AT end of the cable, connect pin 6 to pin 20 and pin 4 to pin 5.

	Everybody should know about RS232 connectors... watch for The Data Bus
at the end of this month which will give a good explaination of RS232 - it
even has one or two things in the article which I didn't know..... I will
probably be posting the Data Bus on the 25th, so it should make it's round
trip by the 3rd of April.

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