Markings and symbols 
  C.5 Interfaces 
SIMATIC IPC677E 
Operating Instructions, 04/2019, A5E45117996-AA 
149 
C.5  Interfaces 
 
 
Connection to the power supply   
 
PS/2 mouse interface 
 
Protective conductor terminal 
 
PS/2 keyboard-interface 
 
 
Connection for functional earthing 
(equipotential bonding line) 
 
Multimedia Card Reader 
 
DisplayPort interface 
 
Smart Card Reader 
 
DVI-D interface 
 
Line In 
 
 
LAN interface, not approved for con-
necting WAN or telephone 
 
Line Out 
 
Serial interface 
 
 
Microphone input 
 
USB port 
 
Universal Audio Jack 
 
USB 2.0 high-speed port 
 
Headphone output 
 
USB 3.0 super-speed port     
 
USB 3.1 SuperSpeedPlus port