BECKHOFF CU8005-0000 - Manual (Page 9)

Product Description
CU8005-0000 7
2.2.2 Data Connections
There are two kind of connectors: USB Port type B and USB type A (input). The pins are described
below:
USB Typ B Port (X20) (standard cable)
Pin Assignment
1 VCC
2 Data -
3 Data +
4 GND
Shield Shield
USB Typ A Port (X31, X32, X33, X34) (standard cable)
Pin Assignment
1 VCC
2 Data -
3 Data +
4 GND
shield Shield