Markings and symbols
B.6 Interfaces
SIMATIC IPC277E
142 Operating Instructions, 11/2019, A5E35783335-AE
B.6 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 HiSpeed interface
Headphone output
USB 3.0 super-speed port
USB 3.1 SuperSpeedPlus interface