Newsgroups: comp.sys.amiga.datacomm
Path: utzoo!utgpu!cunews!micor!latour!mcr
From: mcr@Sandelman.OCUnix.On.Ca (Michael Richardson)
Subject: Re: Telebit vs. USR
Message-ID: <1991Jan18.224054.25287@Sandelman.OCUnix.On.Ca>
Organization: Sandelman Software Works, Debugging Department, Ottawa, ON
References: <1991Jan15.021116.23778@athena.mit.edu> <188630d2.ARN0a34@easy.hiam>
Date: Fri, 18 Jan 91 22:40:54 GMT

In article <188630d2.ARN0a34@easy.hiam> lron@easy.hiam writes:
>Telebit makes several different models of modems, All the new telebit modems
>have V.42/V.42bis/MNP-5 (I think, I could be wrong), Only their V.32 modem
>and the T2500 have V.32.  Telebit does not make a V.32bis modem yet since
>V.32bis has not been through it's final approval yet and could change.
>
>> C) which of these does USR support?
>
>USR also makes several different models of modems, All the new USR modems
>support V.42/V.42bis/MNP1-5,  Only their V.42 modem and the Dual Standard
>support V.32, the newer Dual Standard models support V.32bis (as the standard
>stands at this point, compatibility if the standard changes is
>another story)

  I think it should be pointed out that just because two modems support V.42
doesn't mean they can talk to each other at high speed. 
  V.42/V.42bis/MNP-5 are like ASCII (vs EBDIC - damn, I can't even
remember how to spell that IBM mainframe encoding standard. Which
letter am I missing??)
  V.32 is a CARRIER standard. One can run V.42bis over 300 baud
carriers if you so desire (unless the standard specifically outlaws that)
  

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