Siemens SIPROTEC 7SJ81 - Front USB-Interface; Assignment of the USB Socket

27SIPROTEC 7SJ81/7SK81 V4.70, Product Information
E50417-K1150-C462-A2, Edition 02.2012
Front USB-Interface
USB-interface for the connection between the protection device and the
PC.
Figure 9 USB-interface
Assignment of the USB socket
Pin-No. 1 2 3 4 Housing
USB VBUS
(unused)
D- D+ GND Shield