Siemens SIMATIC PANEL PC 877 Operating Instructions Manual page 215

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