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From: larry@nstar.rn.com (Larry Snyder)
Newsgroups: comp.dcom.modems
Subject: Re: Hayes Smartmodem 9600 troubles
Message-ID: <1991Mar04.133805.17519@nstar.rn.com>
Date: 4 Mar 91 13:38:05 GMT
References: <1991Mar4.025731.21550@ping.chi.il.us>
Organization: NSTAR Public Access Unix Site - 8 dial up lines - 4200 megabytes
Lines: 18

gorpong@ping.chi.il.us (Gordon C. Galligher) writes:

>I have been evaluating Hayes Smartmodem 9600 V.42 modems, and have had some
>interesting results.  Going UUCP, the modems connect at 9600, and have their
>distinctive connect tones, but the best throughput on the line has been 311
>characters per second (for a 121 K file).  Is there a special UUCP setup that
>these modems require in order to get speeds comparable of a 9600 modem?  I
>may be wrong, but I was under the impression that 9600 baud means 960 cps.

Yes 960 cps means 9600 baud - but doing uucp with these modems in the real
world only yields throughput of around 350 cps.  Likewise the HST modems which
produce transfers in the 1650 cps range using zmodem, but uucp throughput with
the HST runs around 350 cps as well.

-- 
   Larry Snyder, NSTAR Public Access Unix 219-289-0287 (HST/PEP/V.32/v.42bis)
                        regional UUCP mapping coordinator 
               {larry@nstar.rn.com, ..!uunet!nstar.rn.com!larry}