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APC USB cable schematic pinout

connector or cable wiring

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APC part# 940-0127B

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)

The jack in the UPS may easily use a 8 pin RJ45 connector.

For the  8-pin RJ45 version of the cable (same number convention, except only 8 pins) :

APC pin # :

1: USB +5V (RED)
4 : shield
5 : USB GND (BLACK) (NOTE : I'm not really sure of that one, and anyway the cable works fine with this pin unconnected...
7 : USB data -
8 : USB data +

According to this pinout, rj-45 connector should be fitted and aligned to the right side of receptacle?


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Pinouts.ru > GPS, UPS, Switches and other devices cables and adapters schematics > Pinout of APC USB cable schematic and layout of 10 pin RJ50 (10P10C) male connector and 4 pin USB A or USB B plug connector
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Contributor: Patrick
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Last updated 2009-10-24 22:01:09. Edit this page. Is this document correct or incorrect? What is your opinion?
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