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From: larson@sri-unix.ARPA (Alan Larson)
Newsgroups: comp.dcom.modems
Subject: Re: 8-bit byte can be sent w/o xform ?
Message-ID: <8215@sri-unix.ARPA>
Date: Tue, 13-Oct-87 02:29:05 EDT
Article-I.D.: sri-unix.8215
Posted: Tue Oct 13 02:29:05 1987
Date-Received: Wed, 14-Oct-87 05:56:40 EDT
References: <167100015@uiucdcsb>
Reply-To: larson@sri-unix.UUCP (Alan Larson)
Organization: SRI, Menlo Park, CA.
Lines: 15

In article <167100015@uiucdcsb> kkim@uiucdcsb.cs.uiuc.edu writes:
>   as i understand, most 1200-bps modems send data in the unit of
>seven data bits preceded and followed by some start and stop bits.
>there is usually one parity bit which may or may not be used.

You understand incorrectly.

>   i wonder if there are any special 1200- or 2400-bps  modems that can
>send 8-bit byte as *one unit* without transforming 8-bit information.

I have never met one that couldn't.  No flags were needed.  Try the
UDS 212LP, or the CDS 224 (2400/1200).  Both send all 8 bits just fine.
Neither has an option to do differently.

	Alan