Rs-232/422/485 Db9 Connector (Com1); Rs-232/422/485 Connector (Com2) - Asus Aaeon AIOT-IGWS01 User Manual

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2.5.6 RS-232/422/485 DB9 Connector (COM1)

Pin
1
2
3
4
5
6
7
8
9

2.5.7 RS-232/422/485 Connector (COM2)

Pin
1
2
3
4
5
6
7
8
9
Chapter 2 – Hardware Information
UART0_TXD
Signal
DCDA / RS422TX- / RS485-
RXA / RS422TX+ / RS485+
TXA / RS422RX+
DTRA / RS422RX-
GND
DSRA
RTSA
CTSA
RIA
Signal
DCDB / RS422TX- / RS485-
RXB / RS422TX+ / RS485+
TXB / RS422RX+
DTRB / RS422RX-
GND
DSRB
RTSB
CTSB
RIB
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