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UNO-2372G_V2 User Manual
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A.8
COM Port RS232/422/485 Settings
A.9
AT/ATX Setting (PSON2)
PSON1 can be used for AT/ATX setting. The default setting is ATX mode. See the fol-
lowing table for jumper configuration
Pin
RS232
RS422
RS485
1
DCD
TX-
D-
2
RX
TX+
D+
3
TX
RX+
4
DTR
RX-
5
GND
GND
GND
6
DSR
7
RTS
8
CTS
9
RI
AT
1-2
ATX
2-3
Default