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From: an12280@mdaali.cancer.utexas.edu (David Gutierrez)
Newsgroups: comp.sys.mac.comm
Subject: Re: Should I get MNP5 or V.42bis?
Message-ID: <4110@lib.tmc.edu>
Date: 18 Sep 90 16:28:04 GMT
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Organization: Univ. Texas M.D. Anderson Cancer Center
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References:<44782@apple.Apple.COM> <4106@lib.tmc.edu> <1990Sep17.174250.23448@eng.umd.edu>

In article <1990Sep17.174250.23448@eng.umd.edu> russotto@eng.umd.edu 
(Matthew T. Russotto) writes:
> The latest version of USR's Dual Standard also has V.42bis (in V.32 mode 
only,
> I believe) and MNP5 (in either HST or V.32 mode).  If all you need is 
V.32,
> go for the cheaper one.  However, if you are only transferring files in
> one direction at a time (i.e. send one file to him, then he sends one 
file to
> you, etc-- not two files being sent simultaneously), then the HST offers 
faster
> speeds-- up to 14,400 bps, nominally (before compression).  And if you 
get
> the Dual Standard, you will still be compatible with The Rest Of The 
World with V.32.

The reason we bought the Hayes Ultra 9600 modems is that when talking to 
like-minded modems (V.32, V.42, V.42bis) they can transfer at 38,400 bps, 
not 9600. Of course, I only got to play with them for two days, then we 
had to put them on my section chief's Sun and PS/2.

Again, the warning: make sure you specify the *Ultra* Smartmodem. Hayes 
also sells the "not really V.32, but we're going to call it V.32 anyway" 
modem that uses proprietary Hayes protocols incompatible with the actual 
V.32 standard.

On the other hand, the latest MacWeek (11 Sept., p.14) says that Intel is introducing a similar modem that *retails* for $819. If you can wait a couple of weeks until they're readily available, I'll bet you can get a really good deal on a pair of those.

David Gutierrez
an12280@mdaali.cancer.utexas.edu

"Only fools are positive." - Moe Howard