Date   : Sun, 19 Mar 2006 10:24:12 +0000 (GMT)
From   : gARetH baBB <hick.bbc@...>
Subject: Re: 6502s and SASI/SCSI.

On Thu, 16 Mar 2006, Jules Richardson wrote:

> dialling, then generate the ringing pulses such that the 'remote' modem will
> pick up.

I suspect the Nightingale AA board just detects line reversal.

I wasn't going to go as far as doing "dialling" though, just straight 
connection between the two and a relay to cut the "line" for when a user 
logs off so the carrier drops.