Detailed descriptions
16.1 Motherboard
SIMATIC Rack PC 840 V2
16-12
Operating Instructions, Edition 05/2006, A5E00248055-04
Pin assignment of the internal USB port connector, X2033
Pin No.
Abbreviations
Meaning
Input /Output
1
VCC
+ 5 V (fused)
Output
2
Key
–
–
3
- Data
Data channel
Input /Output
4
Reserved
–
–
5
+ Data
Data channel
Input /Output
6
Reserved
7
GND
Chassis ground
–
8
Reserved
9
GND
Chassis ground
–
10
Key
–
–
Note
For detailed information on the pin assignments of the interfaces, please contact Costumer
Support or the Repair Center.
