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AS400 Terminal Emulation

Posted on 1998-09-04
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Last Modified: 2008-02-26
I have a customer with 12 or so terminals connected to an AS400 using what I think is twin-ax connections (looks like BNC only thicker).  They want to replace some of the terminals with PC's and still connect to the AS400.  I suspect that the software side of terminal emulation can be done by Hyperterminal, but what hardware do they use to connect.  I know they have the option to put an ethernet card in the AS400 and network that way, but I think this is costly and anyway they only want to replace two terminals.  What I am looking for is something like the 3270 emulation cards that IBM used to make but for the AS400.  As for terminal types they are mostly C50 (IBM I guess).

Hope someone can help

Dave

ps. I would also be interested in a UK source for the card concerned.
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Question by:daverolfe
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Expert Comment

by:Otta
ID: 1124429
OS/400 is capable of recognizing "VT-100" terminal-emulation,
and most TELNET clients are capable of doing such emulation,
so we just use TELNET to connect to the AS/400,
which is connected to our TCP/IP LAN.  It works fine,
and the only "cost" is for the one Ethernet card which had
to be installed into the AS/400 -- the PCs already had
their own Ethernet cards.

The keyboard-emulation takes some learning,
e.g., press 'ESC' and then SHIFT-9 for "PF21" emulation,
or 'CONTROL-R' for "reset" emulation,
but the online-help files on the AS/400 list these mappings.
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Accepted Solution

by:
atkinslg earned 100 total points
ID: 1124430
In the old days we used to connect PC's to AS/400s using 5250 emulation cards which accept the same connections as the terminals. 'Black Box' or 'Inmac' may have what you want. How much they cost these days I don't know. If you need any further information, please fell free to email me.

Regards...
Lloyd Atkins
LloydAtkins@iname.com
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Author Comment

by:daverolfe
ID: 1124431
Thanks Otta, but I didn't want an ethernet solution, though your advice on keyboard is useful,
Thanks atkinslg I will try to obtain a 5250 card and then evaluate your answer, might take me a few days though.  Incidently I already tried Black Box.

Dave Rolfe
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Expert Comment

by:atkinslg
ID: 1124432
There are probably thousands of 5250's sitting around in boxes at various AS/400 sites that have moved over to Ethernet connections. IBM may be able to help with sourcing some cheap second hand ones.
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by:daverolfe
ID: 1124433
So I took so long to accept your answer.  I now have another question related to this so if you would like to take a look I would appreciate it. (otta too)
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