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From: livshtsy@acf4.nyu.edu (livshtsy)
Newsgroups: comp.unix.admin,comp.unix.aix,comp.unix.aux,comp.unix.bsd
Subject: Advanced question in Zmodem-Unix
Summary: How to switch dialin and dialout ports in Unix-Zmodem
Keywords: Zmodem, Unix
Message-ID: <25tl4s$rg0@cmcl2.NYU.EDU>
Date: 30 Aug 93 19:41:16 GMT
Organization: New York University
Lines: 27
NNTP-Posting-Host: acf4.nyu.edu


	Hello everybody.  My problem is as follows:

  1            2        3       4              5
My PC <-> Unix dialin=Unix=Unix dialout <-> Remote PC

I have no problem transferring files between #1 and #3 through #2. ( I am using
Procomm or Telix if it matters :-) ).  I have no problem to connect to  #5 
from #3 through #4 by issuing the actual commands from #1.  But I want to do
file transfer through Zmodem between #3 and #5 through #4 by controlling the
process from #1, BTW none of the PC has internet connection to the Unix.

The problem is arising when the Remote PC (#5) begins to send the file  through
#4 and the program from #3 (Zmodem - [rz*] by Omen tech.) does not see that and
does not answer, in fact it looks for the transfer on mine machine (#1) instead
of #5!!! Meantime my PC Zmodem (Procomm or Telix) sometimes is trying to respondto #5 attempt to transfer. So as You can see - everything becomes a total mess.

What rz* on the Unix (#3) telling about this, is that there is a screwup with
the ports, i.e. I need to tell rz* to look for the transfer on the dialout
port instead of dialin, and my problem is that i don't know how to do that. 

:-(

If You can help, Please respond by email.
								Thank You
								Yeugeny