Further information
53
· G&D DP1.2-Vision-CAT
Pin assignment of the RS232 socket/interface
The following figures show the pin assignments of the RS232 plug as well as the
RS 232 socket:
The table shows how the different lines of the data connection are assigned to the
according pins:
User module
Computer module
RS232 plug
RS232 socket
Pin no.
Line
User module
Computer
module
1
DCD (Data Carrier Detect)
Input
Output
2
RxD (Receive Data)
Input
Output
3
TxD (Transmit Data)
Output
Input
4
DTR (Data Terminal Ready)
Output
Input
5
GND (Ground)
Ground
Ground
6
DSR (Dataset Ready)
Input
Output
7
RTS (Request to Send)
Output
Input
8
CTS (Clear to Send)
Input
Output
9
not occupied
n/c
n/c
4 5
8
6
9
1 2 3
7
1
2
4
5
8
6
7
9
3