Detailed descriptions 17.1 Motherboard

17.1.4External interfaces

Interface

Positio

Connecto

Description

 

n

r

 

COM1

Externa

X30

25-pin socket, V.24/V.28

 

l

 

 

COM2

Externa

X31

9-pin, standard connector

 

l

 

 

LPT1

Externa

-

25-pin, standard socket

 

l

 

 

PS/2 mouse

Externa

X22

6-pin, miniature DIN socket

 

l

 

 

PS/2

Externa

X23

6-pin, miniature DIN socket

keyboard

l

 

 

USB 2.0

 

X36

X36 first (X36 below) and second USB channel, (X36 above)

PROFIBUS/

Externa

X400

9-pin, standard socket, galvanically isolated interface

MPI

l

 

 

Ethernet

Externa

X700

RJ45

 

l

 

 

DVI

Externa

X303

26-pin socket

 

l

 

 

SIMATIC Panel PC 877

17-5

Operating instructions, Release 07/2006, A5E00877780-01

Page 197
Image 197
Siemens PANEL PC 877 operating instructions External interfaces, Interface Positio, Profibus, Mpi