Usb Power And Voltage - IBM 4820 System Reference Manual

example of the USB cable.
Table 14-3. USB power and voltage
Pin
1
2, 3
4, 5
6
DC Voltage
4.75 to 5.25 V
Data
Ground
10.8 to 12.6 V
Chapter 14. System diagnostics and pinout connections
Example
Pin 4
Pin 5
Pin 6
Pin 3
Pin 2
Pin 1
14-5