Back Panel Connectors
Chapter:
Connectors
Beckhoff New Automation Technology
CB1056
page 27
3.2.5 Serial Interface COM1
The serial interface COM1 is made available via a 9-pin standard DSUB-connector (male, e.g. Foxconn
DM10152-H5W3-4F). Signal level is RS232.
The port address and the interrupt are set via the BIOS setup.
Pinout serial port (DSUB connector):
Description
Name
Pin
Name
Description
data carrier detect
DCD
1
6
DSR
data set ready
receive data
RXD
2
7
RTS
request to send
transmit data
TXD
3
8
CTS
clear to send
data terminal ready
DTR
4
9
RI
ring indicator
ground
GND
5