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000149_googlea.w.husm…spamgourmet.com_Wed Mar 24 13:19:41 2004.msg
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Path: newsmaster.cc.columbia.edu!panix!newsfeed.media.kyoto-u.ac.jp!priapus.visi.com!orange.octanews.net!news.octanews.net!green.octanews.net!news-out.octanews.net!news.glorb.com!postnews2.google.com!not-for-mail
From: googlea.w.husmann@spamgourmet.com (Wolfgang Husmann)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Kermit at Mac OS X with Keyspan SX Pro
Date: 23 Mar 2004 13:52:49 -0800
Organization: http://groups.google.com
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Frank da Cruz <fdc@columbia.edu> wrote in message news:<slrnc5rlcc.ngp.fdc@sesame.cc.columbia.edu>...
> ...some really helpful stuff deleted for brevity...
> What is the physical connection to the HP-48? Are you using the same Mac
> port as for PPP? Then you must change the cable -- a Null Modem (crossover)
> cable is required for this, rather than a straight-through (modem) cable.
>
> The only way to connect a computer to the HP-48 is with a special cable that
> comes from HP. Is that the cable you're using? Where is it plugged in?
> To your switch?
I am using the original HP cable for Macs and the cable is known-good.
I had been using a serial switch to distribute the single serial port
of Griffins G4Port to my three serial devices. To avoid the hassles
associated with this setup I want to use the Keyspan SX Pro which
offers four independant serial ports. So the HP calulator is now
connected directly to one of the SX Pros four serial ports.
> Presumably the new port came with its own drivers. Drivers are installed
> in Unix (including Mac OS X) as device files, /dev/xxx. Maybe you are using
> the wrong device name.
I installed the most recent driver software from Keyspan. It offers a
total of eight device names for the SX Pros four ports:
[localhost:~] husparents% ls /dev|grep SX
cu.SXProSCP1.1
cu.SXProSCP2.2
cu.SXProSCP3.3
cu.SXProSCP4.4
tty.SXProSCP1.1
tty.SXProSCP2.2
tty.SXProSCP3.3
tty.SXProSCP4.4
I tried without success every combination of port I connected the HP
to and device name in Kermits "set line" command.
To clarify my observations:
- The only changes to my Mac were that I replaced Griffins G4Port by a
Keyspan SX Pro serial card, that I deinstalled the G4Port drivers, and
that I installed the SXPro drivers. That means that serial Kermit
transfers with the HP had worked before on the same machine with the
same OS, the same Kermit, and the same cable.
- The card and its drivers seem to be ok since I was able to use both
the Palm and the modem on each of the card four ports.
- I can observe when Kermit connects to the cards drivers: when I tell
Kermit to use a port ("set line /dev/(cu|tty).SXProSCP1.[1-4]") the
status of port [1-4] in the "Device Details" window of "Keyspan Serial
Assistant" changes from "Available" to "In Use 9600".
I have no idea whats going wrong. I hope it's not Keyspans driver
software: two weeks ago I have explained my problem to their technical
support and I have not received *any* reaction from them until now :(
Any help appreciated, Wolfgang