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From: RAF@CU.NIH.GOV ("Roger Fajman")
Newsgroups: comp.laser-printers
Subject: Re:  Nissho Electronics LN-2248B
Message-ID: <9002211559.AA19245@crayola.cs.UMD.EDU>
Date: 8 Feb 90 05:08:27 GMT
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>                                                We need a reliable and
> reasonably fast interface to an IBM mainframe. Our experience suggests
> that this means either 3270 printer emulation or a Centronix interface
> (we have used 3270 to Centronix protocal converters very successfully
> on other printers).

You might also consider RJE emulation.  There's a package called
BARR/HASP that runs under MS/DOS and emulates a bisync multileaving RJE
workstation or an SNA/RJE workstation.  It supports like speeds >64 kb
and printer speeds up to 6000 lpm.  It can handle just about any
printer you can attach to a PC.  They even have a channel card for
printers with an IBM channel interface.  The company is Barr Systems
Inc., Gainsville, Florida, (800) BARR-SYS.

I'm a satisfied customer.