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Test Plug Pin-out Location [message #1138] Thu, 07 February 2019 16:13 Go to next message
cradkins is currently offline  cradkins
Messages: 1
Registered: February 2019
Junior Member
I've found an old link to obsolete products for the UPCI RS422 and RS232 products to create loopback plugs. Specifically for Comtrol Product numbers 99341-4 and 99401-5. However it points to an ftp site with a broken link. Does anyone know where to get the information for these products to build loopback plugs?
Re: Test Plug Pin-out Location [message #1139 is a reply to message #1138] Thu, 07 February 2019 16:16 Go to previous messageGo to next message
Matt is currently offline  Matt
Messages: 18
Registered: November 2018
Location: Minnesota
Sure, here's a PDF that shows how to make them:

http://downloads.comtrol.com/contribs/devicemaster/help_file s/Loopback.pdf

Matt Mayfield

Comtrol Corporation
100 Fifth Avenue NW
New Brighton, MN 55112
(763) 957-6000
Re: Test Plug Pin-out Location [message #1288 is a reply to message #1138] Thu, 21 January 2021 15:07 Go to previous messageGo to next message
rockas is currently offline  rockas
Messages: 1
Registered: January 2021
Junior Member
This help me much
Re: Test Plug Pin-out Location [message #1321 is a reply to message #1288] Tue, 09 February 2021 10:48 Go to previous message
Kurt is currently offline  Kurt
Messages: 290
Registered: July 2016
Location: Minnesota
Power User
Hi rockas,

Glad to hear it!


Kurt Rees

Comtrol Corporation
100 Fifth Ave NW
Minneapolis, MN. 55112
Direct +1 763.957.6000 | +1 Fax (763) 957-6001
connect. communicate. control
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