External Interfaces Description
Quick Reference Guide
7
RS232 Port
The DLR-PR001-XX RS232 port is available on a DB9
connector, the pinout is the following:
Figure 5. RS232 port DB9 socket connector pinout
NOTE
It is strongly recommended to use only the Dat-
alogic power supply AC/DC adapter 24Vdc out-
put voltage.
Pin #
Signal
Description
1
-
Not connected
2
TX
TX output
3
RX
RX input
4
-
Not connected
5
GND
Ground
6
-
Not connected
7
CTS
Clear to Send
8
RTS
Req. to send
9
-
Not connected
Shell
Ext. shell conn. To GND