Path: utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!cme!MSD@QMD.PHY.NIST.GOV
From: msd@enh.nist.gov (M. Scott Dewey)
Newsgroups: comp.dcom.modems
Subject: Re: MNP5 and Zmodem problems
Message-ID: <0093AFB1.A4927400@QMD.PHY.NIST.GOV>
Date: 10 Aug 90 14:11:48 GMT
References: <1990Aug9.205922.5812@uwasa.fi>
Sender: news@cme.nist.gov
Reply-To: msd@enh.nist.gov (M. Scott Dewey)
Organization: National Institute of Standards and Technology
Lines: 24

Dear Experts,

In article <1990Aug9.205922.5812@uwasa.fi>, hv@uwasa.fi (Harri Valkama LAKE) writes:
>We are having some problems since we changed our Computer Center's
>modems to 9600 MNP5 (I don't recall the name, but they are connected
>to our Sun 4/260 running SunOS 4.01). Zmodem downloads to my (and some
>others, too) home machine(s) don't work at all as expected them to
>work. Uploads are running just fine but I can't download even if I
>have 2400 MNP5. Kermit is losing 1K packets quite too often, too.
>Zmodem gets only 1/4 of the line speed that is 50-60 cps and every
>packet makes errors. It can be that this have something to do with
>buffering on the CC side.

Is this a general problem with 9600 baud MNP5 systems?  We're considering
upgrading our modems, but if KERMIT and ZMODEM transfers aren't reliable
with such systems, we'd need to reconsider.

Thanks!
-- 
NAME:   M. Scott Dewey                 TELE: (301) 975-4843
DIVISION: Quantum Metrology            INTERNET: msd@enh.nist.gov
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