Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!samsung!uunet!munnari.oz.au!comp.vuw.ac.nz!waikato.ac.nz!aukuni.ac.nz!graeme
From: graeme@ccu1.aukuni.ac.nz ( Graeme Moffat)
Newsgroups: comp.unix.aix
Subject: Re: connecting a Laserwriter
Keywords: SERIAL PRINTER LASERWRITER
Message-ID: <1991Jun21.115504.4242@ccu1.aukuni.ac.nz>
Date: 21 Jun 91 11:55:04 GMT
References: <12122@hub.ucsb.edu>
Organization: University of Auckland, New Zealand.
Lines: 20

aks@anywhere.ucsb.edu (Alan Stebbens) writes:

>Does anyone have some details on connecting an Apple Laserwriter to an
>IBM RS6000/320?  We've done this many times with Suns, and it is pretty

>We've done continuity checks and the cable is right; we're running a
>pretty standard RS232 cable, and we've even swapped TX/RX with each
>other and tried again.  We've had the device attribute "DTR=" set to
>both 'yes' and 'no' and it still doesn't work.

My experience, using only 3 wire cables (pins 2,3,7):
-Printers on the serial port require pins 4&5 (CTS & RTS) on the RS6000 end
  to be jumpered, even though Xon/Xoff is specified on, and DTR off.
-Terminals require pins 8&20 jumpered, using Xon/Xoff.

-- 
Graeme Moffat                g.moffat@aukuni.ac.nz \ Time wastes us all, 
Computer Aided Design Centre,  Fax: +64-9-366-0702 /  our bodies & our wits
School of Engineering,    Ph: +64-9-737-999 x8384 /  But we waste time,
University of Auckland, Private Bag, Auckland, NZ \   so time & we are quits