Product description   
1.4 External design of the device 
  SIMATIC IPC PX-39A 
14  Operating Instructions, 08/2022, A5E51699601-AA 
1.4  External design of the device 
1.4.1  Interfaces and operator controls for devices with 24 V DC power supply 
Device without expansion slot 
 
Connection for protective conductor 
You switch on the device with the on/off switch. The on/off switch does not isolate the de-
vice from the power supply. 
•  Position "ON", when the "_" symbol is pressed. 
•  Position "OFF" is the delivery state. 
USB 3.2 Gen 2 type A, high current, backward compatible 
Connection for monitors with DisplayPort interface 
X1 P1/X2 P1/X3  
Connections for Ethernet RJ45 for 10/100/1000 Mbps 
•  Ethernet X1 P1 is iAMT-capable 
•  Ethernet X2 P1, Ethernet X3 P1 and Ethernet X4 P1 
Serial interface 1 (V.24), 9-pin SUB-D socket 
2 x slot for SSD drive  
SSD1 X50/SSD2 X51 
SSD drives in NVMe format, installed in SIMATIC IPC Slider 
Opening for expansion 
interface X101 or 
Interfaces of external expansion modules (M.2 format) 
Serial interface 2 (V.24), 9-pin SUB-D socket (optional) 
Opening for expansion 
interface X100 
Interfaces of external expansion modules (M.2 format) 
Device with expansion slot 
Other device variants (Page 49): 
•  with slot for one PCIe expansion card 
You can find more information about expansion cards under "Expansion cards (Page 65)".