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10 pin RJ50 (10P10C) male connector layout
10 pin RJ50 (10P10C) male connector
APC part# 940-0127B, 940-127C and 940-0127E
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)



 

Full pinout from APC Back-UPS CS 500 manual

UPS Pin




 
UPS signal Description
1 USB_VCC  decoupled with a ferrite, and protected with a 6.2V zener on the PCB side
2 ON_BATT  (active high) - Logic 1: 12V via 3kohm resistor, Logic 0: 0V via open collector of 2N2222 to gound
3 \Lo_BATT  (active low) - Logic 1: 12V via 3kohm resistor, Logic 0: 0V via open collector of 2N2222 to gound
4 GND  direct connection, no decoupling
5,6 USB TST (NC) No physical connection




 
7 GND decoupling via ferrite
8 INVSD Active high to base of a 2N2222 (resistor input -> base: 3kohms, resistor base -> gnd: 1kohms)
9 USB Data- (negative) Protected with 47ohms resistors, ferrite
10 USB Data+ (positive) Protected with 47ohms resistors, ferrite




 

AP9827 cable for CS500
------------

RJxx end (looking AGAINST the connector,numbering reversed):
   ------
  |    --  1 - green - USB 3 - USB+
  |    --  2 - white - USB 2 - USB-
  |    --  3
 _|    --  4 - black - usb 4 - GND
| |    --  5 
|_|    --  6
  |    --  7 - brown - shield
  |    --  8
  |    --  9
  |    --  10 - red - usb 1 - +5V
   ------ 
   
USB end (looking against the connector):
 -----
|   | |
|  X| |  1 - red - +5V 
|   | |
|  X| |  2 - white - USB-
|   | |
|  X| |  3 - green - USB+
|   | |
|  X| |  4 - black - GND
|   | |
 -----  shield - brown - SHIELD

 

 

Comment:

If you have an 8P8C (RJ45) plug, solder two jumper wires on the UPS side:

1) Pin 1 to Pin 5
2) Pin 10 to Pin 6. 

You can then create a cable by replacing the end of an old USB cable with the correctly crimped RJ45 connector. No extra parts needed.

 

 

4 pin USB A plug connector layout
4 pin USB A plug connector
According to 84 reports in our database (75 positive and 2 negative) the APC USB cable schematic pinout should be correct.

Is this pinout
APC USB cable schematic visual pinout:click to enlarge
Source(s) of this and additional information: , my own ups
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