[GreenKeys] Fwd: Can anyone id this? Western Union TWX V Diagnostic Control Panel

[Christian Fandt]

Could anyone help Joe? I trimmed (heavily edited) the header but left the 
relevant info for who, what, where, why.

Reply directly to him (but I for one am curious too): "Joe R." 
<rigdonj at cfl.rr.com>


>Date: Sat, 02 Oct 2004 19:16:51 -0400
>To: cctalk at classiccmp.org
>From: "Joe R." <rigdonj at cfl.rr.com>
>Subject: Can anyone id this?  Western Union TWX V   Diagnostic Control Panel


>    Anyone know what this is?  I bought two of them today. They're aluminium
>boxes about 9" tall, 4" wide and 1 1/2" thick. They have a four digit LED
>display and a hex keypad on the front. On the LH side is a rotory switch to
>set the BAUD rate (110 to 9600). Also a pushbutton labeled INS and a jack
>labeled "remote INS". (Any guesses what INS means?)  On the RH side is a
>reset switch and a DB-25F connector. On the bottom of the front panel are
>four rocker switches labeled "Diag" and "1", "2" and "3" with "TEST" above
>the 1, 2 and 3 switches. On the back is a label that says "Western Union
>Information Systems", "TWX V Diagnostic Control Panel", "Type Number
>900012/IDP 01 995922", the unit serial number and "Made in USA". There's a
>place for the date but, unfortunately, it's blank. On the top is a 50 pin
>ribbon cable header. When I got these they had a ribbon cable connecting
>both units together but I doubt that they're supposed to be used that way.
>Note that there's no OFF/ON switch or power connector on thse. They must
>get their power from the unit under test.  BTW TWX means teletypewriter
>exchange service but no idea what TWX V means. Based on this and the
>Western Union logo I'm guessing/hoping that these are made for testing
>teletypes.
>
>
>     Joe

Regards,  Chris F.

NNNN

Christian Fandt,    Electronic/Electrical Historian
Jamestown, NY  USA      cfandt at netsync.net
         Member of Antique Wireless Association
         URL: http://www.antiquewireless.org/