Hardware description
A.2 Internal interfaces
A.2
Internal interfaces
A.2.1
Pin assignment of the internal interfaces
Interface
Memory
Bus board
Power supply
Backup battery
USB port
M.2 interface
Port for SSD drive bay
A.2.2
USB ports
Pin
1
2
3
4
5
6
7
8
9
10
108
Position Description
Internal
1 SODIMM socket, 64-bit
Internal
Socket for bus board, assigned with PCIe bus signals
Internal
12-pin connection plug for power supply
Internal
Power supply for backup battery, 2-pin socket
Internal
USB channel, 10-pin male connector
Internal
M.2 Key B, assigned PCIe bus signals
Internal
Socket for SSD drive bay, assigned PCIe bus signals
Designation
VBUS_USB1
VBUS_USB2
USB1_D-
USB2_D-
USB1_D+
USB2_D+
GND
GND
GND
GND
Operating Instructions, 08/2022, A5E51699601-AA
SIMATIC IPC PX-39A