Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!mit-eddie!uw-beaver!sumax!nwnexus!golder
From: golder@nwnexus.WA.COM (Warren Jones)
Newsgroups: comp.unix.aix
Subject: Re: bidirectional lines on the RS 6000 (how to do it ?)
Summary: pshare and pdelay are broken in AIX 3.1
Keywords: bidirectional AIX RS6000 pshare pdelay
Message-ID: <379@nwnexus.WA.COM>
Date: 10 Sep 90 15:28:47 GMT
References: <1990Sep10.033717.593@edm.uucp>
Reply-To: golder@nwnexus.UUCP (Warren Jones)
Organization: Golder Associates
Lines: 24

In article <1990Sep10.033717.593@edm.uucp> geoff@edm.uucp (Geoff Coleman) writes:
> Has anyone out there managed to hook up a telebit modem to an
> RS6000 for use as a bidirectional modem.

Pshare and pdelay are intended to enable a port for bidirectional
use, but both are badly broken.  This has been confirmed by IBM
software support.  The best you can do is to enable a port for
dial in (say /dev/tty1), then do something like this if you want
to dial out:

        pdisable 1
        chmod 666 /dev/tty1      # Needs root permissions - ugh!
        kermit                   # or whatever ...
        penable 1

I posted an ugly script to simplify this process last week,
but it's still a big pain.  I encourage you to get after IBM
to fix this.

-- 
----------------------------------------------------------------
Warren Jones <golder@nwnexus.wa.com>      Golder Associates Inc.
(uucp: uunet!nwnexus!golder)              4104 148th Avenue NE
(206) 883-0777                            Redmond, WA 98052, USA