Operating instructions
Detailed descriptions
17.1 Motherboard
SIMATIC Panel PC 677B
Operating Instructions, 05/2007, A5E01035609-01
199
Pin assignment of the internal USB interface connector, X43
Pin no. Short description Meaning Input / output
1 VCC 3.3V +3.3V, fused Output
2 VCC 5V + 5 V, fused Output
3 USB3 USB3_M Input / output
4 USB5 USB5_M Input / output
5 USB3 USB3_P Input / output
6 USB5 USB5_P Input / output
7 GND Ground –
8 GND Ground –
9 GND Ground –
10 GND Ground –