Re: NULL modem projects (was Re: Datalinker 1200, etc.)

[lesherjt@vuse.vanderbilt.edu (Tilghman Lesher)]

Christopher D. Heer (cheer@i.hate.spam) wrote:
: It was Tue, 11 Mar 1997 00:14:20 GMT.  I was reading instead of working.  And 
: Jeff Blakeney <jefbla@bconnex.net> said:

: >On 7 Mar 1997 18:30:59 GMT, cheer@i.hate.spam (Christopher D. Heer)
: >wrote:

: >>A phone cord'll do the trick.  Also, if either of the modems are smart enough 
: >>to look for dial tone, you'll have to disable that.  ATX0 will work on any 
: >>Hayes-compatible modem.  Tell one modem to answer (ATA) and the other to 
: >>either originate (ATO) or just make it dial a 1-digit number.

: >I did it once with a couple modems and I just typed ATD on one machine
: >and ATA on the other.  I didn't need to put any digits at all with the
: >dial command.

: Some modems won't do it without a digit (which goes to show you what a laugh 
: 'Hayes compatible' is).

I believe the fix is to use 'ATDTR'.  This fools the modem into thinking
you've dialed a number, since you switch from tone to rotary.....

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