Overview 
  1.2 Design of the device 
SIMATIC IPC627D/827D 
Operating Instructions, 09/2014, A5E32990859-AB 
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Design of the device 
1.2.1
 
Operator controls and interfaces 
Device with PROFIBUS interface 
 
 
PROFIBUS DP/MPI 
fieldbus 
PROFIBUS DP/MPI interface (RS 485, isolated), 9-pin sub D socket 
 
 
On/off switch   You switch on the device with the on/off switch. This requires that the 
BIOS setup entry "After Power Failure" is set to "Power On".  
The on/off switch does not isolate the device from the power supply. 
Position "ON", when the "-)" symbol is pressed inward on the device. 
Position "OFF" is the factory state. 
  2 × Ethernet 
•  X1P1, left: RJ45 Ethernet port 1 (exclusive PCI interrupt) with 
10/100/1000 Mbps, iAMT capable 
•  X2P1, right: RJ45 Ethernet port 2 (shared PCI interrupt) with 
10/100/1000 Mbps 
USB 3.0 high current, backward compatible with USB 2.0/1.1 
DisplayPort connection for digital monitor 
DVI connector for CRT or LCD monitor with DVI port 
  PCI/PCIe expansion 
cards, 
COM2/LPT and USB 
on expansion card 
behind the cover 
  On/off button  The on/off button has three functions: 
•  Switch on the PC: Briefly press once 
•  Shut down operating system and switch off PC: Briefly press once 
•  Switch off PC without shutting down the operating system (hardware 
reset): Press for more than 4 seconds. 
Note: The BIOS setup entry "After Power Failure" has been set to 
"Power On". This means the device is switched on with the on/off 
switch. You then do not need to press the on/off button. 
Status display of the operating state