Can anyone id this? Western Union TWX V Diagnostic Control Panel

From: Joe R. <rigdonj_at_cfl.rr.com>
Date: Sat Oct 2 18:16:51 2004

   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
Received on Sat Oct 02 2004 - 18:16:51 BST