Description
2.1 Design
SIMATIC Rack PC 840 V2
Getting Started, Edition 04/2004, A5E00248069-02
2-3
2.1.3 Connecting elements
Interfaces
Layout of the interfaces on the rear of the device
Pos Description Description
(1) COM 1 Serial port 1 (V.24), 25-pin sub-D socket
(2) PROFIBUS / MPI MPI interface (RS485, isolated potential), optional 9-pin d-Sub socket
(3) ETHERNET RJ 45 Ethernet connection 10/100 Mbps
(4) USB USB connector. Bottom USB port 1, top USB port 2.
(5) COM2 Serial port 1 (V.24), 9-pin d-Sub socket
(6) KEYBOARD Connection for a PS/2 keyboard.
(7) MOUSE Connection for a PS/2 mouse.
(8) VGA Connection for VGA monitor
(9) LPT1 Parallel interface, 25-pin