Connecting Elements - Siemens SIMATIC Rack PC 840 V2 Operating Instructions Manual

3.6.3

Connecting elements

Interfaces
Layout of the interfaces on the rear of the device
Pos Designation
(1) COM 1
(2) PROFIBUS/MPI
(3) ETHERNET
(4) USB
(5) COM2
(6) KEYBOARD
(7) MOUSE
(8) VGA
(9) LPT1
Power supply
Position of the IEC power connector
SIMATIC Rack PC 840 V2
Operating Instructions, Edition 05/2006, A5E00248055-04
Description
Serial port 1 (V.24), 25-pin sub D socket
MPI interface (RS485, electrically isolated), optional 9-pin sub D socket
RJ 45 Ethernet connection 10/100 Mbps
USB-device connectors. Bottom USB port 1, top USB port 2.
Serial port (V.24), 9-pin sub D plug
Connection for a PS/2 keyboard
Connection for a PS/2 mouse
Connection for VGA monitor
Parallel interface, 25-pin
Description
IEC power connector for the AC power supply to
the device. The allowable supply voltage is
120 V AC or 230 V AC
Description
3.6 Design
3-9