[comp.sys.mac.comm] zmodem to/from unix

jww502@anu.oz.au ("John W White") (04/22/91)

I just downloaded the Zmodem files for the unix side from Sumex and after a little trouble compiled them.  My problem is that when I type in sz (or sx or sb for that matter) filename, it starts up the recieve window on Zterm nicely and transmits the file name, type, creator and size but then _NOTHING_ happens ! Eventually the Mac times out after about 5 minutes.  Is there anyone out there who can see what I'm doing wrong or who has had success with the same commands before or who can tell me the address of







 the guy who wrote them ??  (please)

Kermit is _SO_ slow :-(

Thanks

Dave.

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kwilcox@agt.uucp (Keith Wilcox) (04/24/91)

jww502@anu.oz.au ("John W White") writes:

>I just downloaded the Zmodem files for the unix side from Sumex and after a little trouble compiled them.  My problem is that when I type in sz (or sx or sb for that matter) filename, it starts up the recieve window on Zterm nicely and transmits the file name, type, creator and size but then _NOTHING_ happens ! Eventually the Mac times out after about 5 minutes.  Is there anyone out there who can see what I'm doing wrong or who has hadsuccess with the same commands before or who can tell me the address of












This sounds very familiar to an experience I had with XMODEM v3.8. This program was
originally written I belive by Brian Kantor, UCSD (3/84) and then repeatedly modified
by various people to include zmodem,modem7, CRC error checking, and a whole bunch of
bug fixes. The information I have asks that any additional comment be sent to:

Steve Grandi, National Optical Astronomy Observatories (Tucson, Arizona)
        {ihnp4,ncar,arizona,...}!noao!grandi  grandi@noao.arizona.edu

Any how I fixed the problem with the symptoms you describe by makeing sure I was
using an 8bit, no parity, 1 stop bit configuration on the tty port. It seems that
if you use 7 bit the program just hangs and the "_NOTHING_ happens !. I never did have
time to look at the source and determine why this is but I hope you find this helpful.

If anyone out there in net.land can shed some light on this please post . . .


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6600dayl@ucsbuxa.ucsb.edu (Darryl "NOT Sara" Lee) (04/28/91)

In article <1991Apr24.142646.18707@agt.uucp> kwilcox@agt.uucp (Keith Wilcox) writes:




>This sounds very familiar to an experience I had with XMODEM v3.8. This program was
>originally written I belive by Brian Kantor, UCSD (3/84) and then repeatedly modified
>by various people to include zmodem,modem7, CRC error checking, and a whole bunch of
>bug fixes. The information I have asks that any additional comment be sent to:

>Steve Grandi, National Optical Astronomy Observatories (Tucson, Arizona)
>        {ihnp4,ncar,arizona,...}!noao!grandi  grandi@noao.arizona.edu

>Any how I fixed the problem with the symptoms you describe by makeing sure I was
>using an 8bit, no parity, 1 stop bit configuration on the tty port. It seems that
>if you use 7 bit the program just hangs and the "_NOTHING_ happens !. I never did have
>time to look at the source and determine why this is but I hope you find this helpful.

>If anyone out there in net.land can shed some light on this please post . . .


i WISH i could shed some light on this problem, but all i have is more
darkness.  i'm still having the same problems, cause i can't seem to
set my tty port to no parity...

i used....stty -parity cs8, which gives me even parity, 8 bits (i
THINK).  of course the tech support here claims that i can't use
zmodem (an 8 bit protocol) with our broadband modems, (which he says
are limited to 7 bit).

help me help me please....does somebody know how to use stty to set no
parity?  will it not make a difference if my tech-guy is right?

anybody know of a 7 bit version of zmodem?

anybody know of a way to make kermit go faster??? (yeah right)

thanx in advance...		Darryl Lee
				UC Santa Barbara