Date   : Wed, 30 Mar 1983 20:35:17 EST (Wed)
From   : Keith Petersen <w8sdz@brl.arpa>
Subject: Re: 1200 Baud PMMI S-100 modem

The forthcoming 300/1200 baud PMMI S-100 modem will NOT have
the Vadic 3400 protocol included.  Several people asked about
that.  Vadic isn't including it in most of their new OEM units.
There has been some discussion about whether 3400 is better
than 212A, and one comment I read was that it really wasn't a
better protocol.  The only reason it SEEMED better, the sender said,
was that the 212A part of the "Triple Modem" wasn't as well designed
as it could have been.  I assume that if this is true, it could be
the reason that Racal hasn't included the 3400 protocol in the new
units.  They may have improved the 212A part instead, in the interests
of gaining a wider market.  This is all conjecture, however.

For those interested in the new PMMI modem (when it's available in
June), here's the address and phone number:

   PMMI Communications
   5201 Leesburg Pike
   Suite 604
   Falls Church, Virginia  22041
   Phone (703) 379-9660

--Keith