SIMATIC Panel PC 877 
Operating instructions, Release 07/2006, A5E00877780-01 
6-1 
Connecting 
6
6.1  6.1 Connection and operator control components 
Connection and operator control components of the computer unit 
 
Connection and operator control components of the left-hand side of the device 
Item  Name  Description 
(1)  PCI / ISA  5 slots for PCI/ISA expansion modules 
(2)  LPT 1  Parallel interface  
25-pin Sub-D socket  
(3)   DVI/VGA   DVI/VGA socket for CRT or LCD 
monitor with DVI interface or VGA 
monitor via DVI/VGA adapter 
(4)   PS/2  Mouse connection  
(5)   Reset button  - 
(6)  PS/2  Keyboard connection  
(7)  COM 2  Serial interface  
9-pin Sub-D connector  
(8)   USB  2 USB 2.0 connections high current 
(500 mA) 
(9)   Ethernet   RJ45 connection for 10/100 Mbit/s 
(10)  PROFIBUS/MPI
/DP 
MPI interface (RS485 electrically 
isolated)  
9-pin Sub-D connector 
 
 
 
 
(11)  COM 1   Serial interface  
25-pin Sub-D connector