Path: utzoo!utgpu!watserv1!watmath!att!bu.edu!transfer!lectroid!pwllheli!dts
From: dts@pwllheli.sw.stratus.com (Daniel Senie)
Newsgroups: comp.dcom.modems
Subject: Re: Telebit Fails under impairments in PC Magazine tests
Message-ID: <3267@lectroid.sw.stratus.com>
Date: 29 Nov 90 21:04:26 GMT
References: <326@comtst.UUCP> <709@denwa.uucp> <1990Nov29.144107.23789@uu.psi.com>
Sender: usenet@lectroid.sw.stratus.com
Reply-To: dts@pwllheli.sw.stratus.com (Daniel Senie)
Organization: Stratus Computer, Software Engineering.
Lines: 21

I've done a significant amount of work with Telebit's V.32 between two T2500s
on transatlantic lines between France and Boston. Most of the work was done
using satellite and undersea copper, since it was at a time when Telecom France
had screwed up their connection to the fiber optic line. We never had any noise
problems running with MNP4 over V.32. We also have done lots of PEP work through
a 40 year old step-by-step phone office with LOTS of noise, and get 1400cps or
better on those lines.

The text in the article leads me to believe that the PC Mag. reviewers did not
even look at the documentation, and merely tried to plug and go.

Byte did a review a while back on high speed modems and did the testing work
properly. They used a similar telephone line simulator, but they also chose a
reference modem and used that where appropriate. The ability of a modem to talk
to a like modem is only part of the game. Byte does seem to at least try to
do a thorough job with their investigations.
--
Daniel Senie               UUCP: uunet!lectroid!dts 
Stratus Computer, Inc.     ARPA: dts@lectroid.sw.stratus.com
55 Fairbanks Blvd.         CSRV: 74176,1347
Marlboro, MA 01752         TEL.: 508 - 460 - 2686