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Old December 15, 2012, 12:52 PM
sswilson's Avatar
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Location: Moncton NB
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My System Specs


No guarantees but this is the link I came up with through google.....

APC USB cable schematic pinout and wiring @ pinoutsguide.com

Does anybody who made these back in the day have the pinouts saved?

Edit: if you read through the comments for that link the critical (and apparently not obvious) key is to use RJ50 not RJ45
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Last edited by sswilson; December 15, 2012 at 01:13 PM.
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  #12 (permalink)  
Old December 15, 2012, 03:04 PM
KaptCrunch's Avatar
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pinouts.ru steve yes they should pay attention to PC side for some manuters had usb upside down

best use a USB a-b cable and cut off square end keeping the rectanguler end and follow colour

the shielding use on 4 (the alu strand wround)
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Last edited by KaptCrunch; December 15, 2012 at 03:21 PM.
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  #13 (permalink)  
Old February 4, 2013, 03:01 PM
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Join Date: Feb 2013
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Hi Guys

I can't make this working i hope you can help...

Since here in Benelux the RJ50 plugs is impossible to find i decided to open up the UPS and solder directly on my 550 motherboard.

I found different pinouts though:

APC BackUPS CS/ES smart signalling cable распиновка и описание @ pinouts.ru
APC USB cable AP9827 : Pinout cable and connector diagrams-usb, serial rs232,rj45 ethernet, vga, parallel, atx, dvi...

I tried the first one and is not working...and i am not too sure about the pinout it looks like 1 and 10 pins are not correct...

Anyone can tell me where PIN 1 is on the Rj50 and where the 4 USB wires need to go?

Without USB the UPS is pretty useless to me...
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  #14 (permalink)  
Old April 16, 2013, 05:08 AM
KaptCrunch's Avatar
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other diagram update from orginale ups cable P/N
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Last edited by KaptCrunch; April 21, 2013 at 03:17 AM.
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