From: Dave Horsfall <dave@horsfall.org>
To: Computer Old Farts Followers <coff@tuhs.org>
Subject: Re: [COFF] DEC terminal line driver chips?
Date: Fri, 30 Apr 2021 17:42:04 +1000 (EST) [thread overview]
Message-ID: <alpine.BSF.2.21.9999.2104301735490.4178@aneurin.horsfall.org> (raw)
In-Reply-To: <CAC20D2M4O4La0VZWsnrpTqCaf5MBTn4o5pK+xhffXJ=BJuTpNg@mail.gmail.com>
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On Thu, 29 Apr 2021, Clem Cole wrote:
> That said before you open up the case, I make sure you are cabled
> correctly. If you are using so-called 3-wire cables, then you need to
> ensure RTS/CTS [4-5] are strapped and DSR/DCD/DTR [6/8/20] are also
> strapped. The terminal will ignore any I/O unless it sees these pins
> asserted.
I used to do that so often for so many terminals that I could practically
do it in my sleep... Having the correct crimping tool also helped :-)
-- Dave, who has yet to see a full implementation of RS-232 i.e. the
secondary channel etc
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next prev parent reply other threads:[~2021-04-30 7:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-29 7:02 Tom Ivar Helbekkmo via COFF
2021-04-29 12:21 ` Brad Spencer
2021-04-30 7:34 ` Dave Horsfall
2021-04-30 11:55 ` Tom Ivar Helbekkmo via COFF
2021-04-29 13:17 ` Clem Cole
2021-04-30 7:42 ` Dave Horsfall [this message]
2021-04-30 12:12 ` Tom Ivar Helbekkmo via COFF
2021-04-30 16:49 ` Derek Fawcus
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