© 2019 Garderos GmbH
11/23
The DSUB-9 socket is allocated in the following way:
PIN no.
Description
1
RS-232 DCD, data carrier detect
2
RS-232 TX, transmit data
3
RS-232 RX, receive data
4
RS-232 DSR, data set ready
5
Ground (GND)
6
RS-232 DTR, data terminal ready
7
RS-232 CTS, clear to send
8
RS-232 RTS, request to send
9
RS-232 RI, ring indicator