Article View: comp.sys.dec
Article #4889Re: VT100 compatibility
From: Larry Campbell
Date: Wed, 03 Feb 1988 03:03
Date: Wed, 03 Feb 1988 03:03
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1696 bytes
From article <3163@lll-winken.llnl.gov>, by markat@lll-winken.llnl.gov (Mark Tassanari):
<> I have a question regarding VT100 compatibility.
<>
<> My piece of the network consists of VT200 type terminals talking to VAXes via
<> DECserver 100s. We recently installed a DECserver 200 as a service node that
<> talks to a bank of Sytek LocalNet modems on another network of non-DEC hosts.
<> When I try to access one of these hosts while in VT100 emulation everything
<> works fine. However, in VT200 mode the communications fall apart, everything
<> is garbled. I'm reasonably certain the problem is the between the Sytek,
<> which is talking and expecting to hear VT100 characters, and the terminal,
<> which is looking for VT200 characters. The hosts can be ruled out because an
<> identical service connected directly to one of the non-Dec hosts works well
<> in both terminal emulation modes.
VT200s operating in VT200 mode use eight-bit characters. VT100s use only
seven-bit characters. Dollars to donuts your Sytek stuff is dropping or
twiddling the high-order bit.
--
Larry Campbell The Boston Software Works, Inc.
Internet: campbell@maynard.bsw.com 120 Fulton Street, Boston MA 02109
uucp: {husc6,mirror,think}!maynard!campbell +1 617 367 6846
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!rutgers!husc6!wjh12!maynard!campbell From: campbell@maynard.BSW.COM (Larry Campbell) Newsgroups: comp.sys.dec Subject: Re: VT100 compatibility Message-ID: <1049@maynard.BSW.COM> Date: 3 Feb 88 03:03:34 GMT References: <3163@lll-winken.llnl.gov> Organization: The Boston Software Works, Inc., Boston, MA Lines: 26