USB

The additional optional USB interfaces are used to connect peripheral devices with USB ports. Depending on the ordering option, the interfaces are located either in the connection compartment or in the extension plate. They supply 900 mA current and are electronically fused.

USB 1:Fig.14: Optional USB interface pin numbering
USB interface pin assignment

Pin

Connection

1

Vbus

2

D -

3

D +

4

GND

5

StdA_SSRX -

6

StdA_SSRX +

7

GND_DRAIN

8

StdA_SSTX -

9

StdA_SSTX +

For USB 2.0, only pins 1 to 4 are relevant.