Connections
CB3067
22
Version: 1.0
6.11
Serial interface COM1 (P1200)
The COM1 serial interface is fed out via a 9-pin standard DSUB connector (male). The signals are available
according to the RS232 standard.
The port address and the interrupt used are set with the help of the BIOS setup.
Fig. 12: CB3067 COM1 (P1200)
Pin assignment of COM1
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
