Detailed descriptions
16.1 Internal components
SIMATIC IPC427C
Operating Instructions, 04/2009, A5E02414743-01
107
16.1.3
External ports
16.1.3.1
Overview
Port
Position
Description
COM1; COM2 (optional)
external
9-pin male
V24
USB
external
Four USB channels
4 x high current
USB 1.1
USB 2.0
PROFIBUS /MPI /DP12(optional)
external
9-pin female
CAN (optional)
external
9-pin female
CAN
Ethernet
external
2 x RJ45
10/100/1000 Mbps
DVI-I
external
DVI-I standard socket
16.1.3.2
COM1/2
Serial port COM1, 9-pin (plug) or COM2 (optional)
Pin no.
Short description
Description
1
DCD
Data carrier detect (I)
2
RxD
Received data (I)
3
TxD
Transmitted data (O)
4
DTR
Data terminal ready (O)
5
GND
Ground
6
DSR
Data set ready (I)
7
RTS
Request to send (O)
8
CTS
Clear to send (I)
9
RI
Incoming call (I)