Subj : DOS TCP/IP and zmodem
To   : Charles Angelich
From : Howard Eisenberger
Date : Thu Sep 14 2000 11:16 am

-=> CHARLES ANGELICH wrote to HOWARD EISENBERGER <=-

 HE>> dialup to local FreeNet (FreePort menu)  - telnet to bbs -
 HE>> zmodem download failed *  - telnet to 2nd FreeNet - zmodem
 HE>> download failed *  - kermit download successful

 HE>> dialup to unix (BSD) shell account at ISP  - telnet to bbs -
 HE>> zmodem download failed *  - telnet -8 to bbs - zmodem download
 HE>> successful  - telnet to bbs, set binary - zmodem download
 HE>> successful

 HE> * by setting "escape control characters yes" in the my DOS
 HE> terminal program's (Conex) built-in zmodem, these tests were
 HE> successful.

 CA> I'm curious about what hardware you are using with CONEX and what
 CA> transfer rates you can achieve when compared to a direct dialup
 CA> transfer using the same hardware with CONEX. Can you also upload
 CA> using CONEX with this setup?

 FWIW, I used my P133 and 28.8 ext. Courier. I only tested this once
 or twice. Not surprisingly, speeds were slower (up to 33%) than direct
 dialup. I tried one zmodem upload, and it failed (of course).

 CA> I can download using zmodem from Internet telnetable BBS but, so far,
 CA> uploading using zmodem is a no-go here and I'm using OMEN TECH
 CA> software so it's not the zmodem at my end that is the problem. 8(

 I have been able to upload (using ztelnet) in Linux, but not in DOS.
 As far as I am concerned, while zmodem is fine for straight dialup,
 it is not reliable over telnet. I only used it for these tests, since
 it seemed to be the only choice from a "telnet gateway".

 I had a look at the Boston Library Consortium (www.blc.org) and Boston
 Public Library (www.bpl.org) homepages, but couldn't find information
 about modem access. I think I've spent more than enough time with this.

Howard Eisenberger
Ottawa, Canada


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