update on IBM terminals
mhs.stein at gmail.com
Fri Oct 2 13:31:30 CDT 2015
The keyboards are probably worth the most ;-)
Or how about this one for only $1000:
----- Original Message -----
From: "Dave G4UGM" <dave.g4ugm at gmail.com>
To: "'General Discussion: On-Topic and Off-Topic
Posts'" <cctalk at classiccmp.org>
Sent: Friday, October 02, 2015 2:13 PM
Subject: RE: update on IBM terminals
> Why are these always in the USA?
> I wouldn't have thought there was much gold in a
> 3174-11R I think there are
> only a couple of boards in them. The 3174-11R is
> normally connected to the
> host via SDLC and as such isn't usable "as-is"
> unless you have a Mainframe
> with an HDLC or BiSync cards. I Think it will
> take a token ring or Ethernet
> card and with that it can be connected to
> Mainframe emulation via TCP/IP.
> The terminals are pretty much useless you have
> a controller (or Mainframe
> with on-board controller, like the one Dave
> McGuire has I think) to do
> anything with the terminals as they have a co-ax
> port that runs at 1.5MBps
> (I think that's the speed) and both the physical
> (voltages, impedances) and
> logical (protocols) interfaces between the
> terminal and the controllers is
> pretty much undocumented.
> With a controller and TCP/IP they can be used
> onto Hercules or some of the
> other Mainframe emulators..
> Dave Wade
>> -----Original Message-----
>> From: cctalk
>> [mailto:cctalk-bounces at classiccmp.org] On
>> Behalf Of Cindy
>> Sent: 02 October 2015 18:52
>> To: 'General Discussion: On-Topic and Off-Topic
>> <cctalk at classiccmp.org>
>> Subject: update on IBM terminals
>> The terminals are models 3472 and 3477.
>> The keyboards are Model M.
>> The server is a 3174-11R
>> He did not give counts.
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