Re: 5620s (Was Re: Brain-damaged Terminal Contest)

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Article #1514

#1514

From: Doug Gwyn
Date: Sat, 22 Nov 1986 15:40

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In article <1219@cit-vax.Caltech.Edu> trent@cit-vax.UUCP (Ray Trent) writes:
>We have this stupid arrangement of Ungerman-Bass NIUs as terminak
>concentraters linked by EtherStrands. The problem (as I understand it...
>I haven't hacked on this too much) is that the xt driver used by 
>layers et al is assumed to have hardware flow control. Is there a 
>way to get around this requirement?

Layers mode terminal<->host communication is done using an error-correcting
packet protocol; neither DC3/DC1 nor hardware handshaking is required.
Some LANs, perhaps including yours (with which I am not familiar), do not
support full 8-bit transparency.  If that is the problem, then you should
use the special "encoding" kludge.  For DMD firmware rev 2.0 (8;7;5), this
can be enabled using the Set-Up Host Options menu.  Older DMDs can be used
with encoding by setting DMDLOAD=hex in one's environment.

More information on this is given in the 5620 DMD Rel. 2.0 Administrator
Guide, AT&T select code 306-141.

Technical Details

Message-ID: <5402@brl-smoke.ARPA>

Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!brl-adm!brl-smoke!gwyn

References: <1438@kitty.UUCP> <1140@mordred.cs.purdue.edu> <435@twitch.UUCP> <1219@cit-vax.Caltech.Edu>

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!brl-adm!brl-smoke!gwyn
From: gwyn@brl-smoke.ARPA (Doug Gwyn )
Newsgroups: comp.terminals
Subject: Re: 5620s (Was Re: Brain-damaged Terminal Contest)
Message-ID: <5402@brl-smoke.ARPA>
Date: Sat, 22-Nov-86 10:40:07 EST
Article-I.D.: brl-smok.5402
Posted: Sat Nov 22 10:40:07 1986
Date-Received: Tue, 25-Nov-86 21:14:30 EST
References: <1438@kitty.UUCP> <1140@mordred.cs.purdue.edu> <435@twitch.UUCP> <1219@cit-vax.Caltech.Edu>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 17

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