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Hi all,
I have just been given an Uninteruptable Power Supply. Great! One drawback, no cables!

It needed:
1 x USB to RJ50 cable
RJ50 cables look like normal ethernet RJ45 cables but have 10 pins not 8.

At least 1 kettle lead with a male connection one end and a female connection the other.

I looked at making a cable, but i would need an RJ50 plug. That wouldn't do! I will replace the socket instead.

Step 1: Popping It Open

I popped it open to see if adding/replacing the data port was a viable option.

Step 2: Removing the Rear Facia

Step 3: Cable Layout

Step 4: No Idea What This Port Is For, But Thr RJ50 Socket at the Bottom in Black

Step 5: The Board Completely Removed

Step 6: Underside of Board Where the Socket Is Soldered In

Pinout

         SOCKET END
    2      4      6     8    10
1      3      5     7     9
          BOARD END


APC Pin USB Pin Description
1 1 USB +5V (red wire)
4 shield chassis ground
7 4 USB GND (black wire)
9 2 USB Data- (white wire)
10 3 USB Data+ (green wire)

Step 7: Adding the Printer USB Socket

http://image.pinout.net/pinout_USB_files/connector_pinout.php?image=usb_typeB_receptacle.gif&pinout=%20printer%20cable

2  1
3  4

1= +5v (Red)
2= D- (White)
3= D+ (Green)
4= GND (Black)

Step 8: Soldered Wiring



APC Pin USB Pin Description
1 1 USB +5V (red wire)
4 shield chassis ground
7 4 USB GND (black wire)
9 2 USB Data- (white wire)
10 3 USB Data+ (green wire)

Step 9: Trimmed Case for Socket Access

<p>Nice work.</p>
<p>Thanks for posting this! I used this to mod my APC Back-UPS XS 1000 instead of buying the proprietary cable. Soldering the USB Type-B receptacle (which I got out of an old card reader) was a pain, but after the third try, I got it to work. I used electrical tape to wrap it to the RJ-50 socket (it appears like that's what you did) and used a Dremel to cut out the opening.</p>
<p>thanks for the pinout. i drilled a 3mm hole and routed the cable got the app from apc and got it working again after ..... 6 years that the cable was lost</p>
Hi I sell RJ50 cable which you can use to make your cable up. <br>If interested send me an email on dishthirtynine@yahoo.co.uk

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Bio: Wanted to become self sufficient for a long time, however i am trapped in a modern world with minimal cash and an addiction to the ... More »
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