Com Port2 Rs-485 - Aaeon PICO-APL1 User Manual

Pin Pin Name
9 DCDA
10 DSRA
11 RXA
12 RTSA
13 TXA
14 CTSA
15 DTRA
16 RIA
17 GND
18 AGND
19 LOUT_R
20 LOUT_L

2.4.16 COM port2 RS-485

Pin Pin Name
1 RS485_D-
2 NC
3 RS485_D+
4 NC
5 NC
Chapter 2 – Hardware Information
Signal Type Signal Level
IN
IN
IN
OUT ±9V
OUT ±9V
IN
OUT ±9V
IN
GND
GND
I/O
I/O
Signal Type Signal Level
I/O ±5V
I/O ±5V
28