Siemens SIMATIC PANEL PC 877 - Manual (Page 215)

Detailed descriptions
17.1 Motherboard
SIMATIC Panel PC 877
Operating instructions, Release 07/2006, A5E00877780-01
17-23
Pinout of the internal USB interface connector, X2033
Pin No. Abbreviation Meaning
1 VCC 3.3V +3.3V, fused
2 VCC 5V + 5 V, fused
3 USB3 USB3_M
4 USB5 USB5_M
5 USB3 USB3_P
6 USB5 USB5_P
7 GND Ground
8 GND Ground
9 GND Ground
10 GND Ground
Pinout of the USB 2.0 interface, X2034
Pin No. Abbreviation Meaning
1 VCC + 5 V, fused
2 USB5 USB5_M
3 USB5 USB5_P
4 GND Ground
S1 S Shielding
S2 S1 Shielding
Note
For detailed information on the pin assignments of the interfaces, please contact Costumer
Support or the Repair Center.