13 Chapter 2
Refer to the figure and table below for COM3 & COM4 descriptions.
2.5 Power Connections
UNO-1019 supports +10 ~ 30 V
DC
power inputs. A detailed power pin
image is shown below
Figure 2.4: Power Pin Assignments
COM3 & COM4 Pin Assignments
Pin RS-232 RS-422 RS-485
1 DCD TxD- Data-
2 RxD TxD+ Data+
3 TxD RxD+ -
4 DTR RxD- -
5 GND GND GND
6DSR- -
7RTS- -
8CTS- -
9RI - -
