Connect AIS to PC/Laptop using RS422/485 to USB using cable on OPENCPN with UBUNTUDDE OS, otherwise it works on Windows too
TESTED ON
SAMYUNG AIS-50N
JRC JHS-183 AIS
NSR NEW SUNRISE
on Linux, copy this plain text to file /ect/udev/rules.d/70-opencpn.rules
KERNEL=="ttyUSB*", MODE="0666"
KERNEL=="ttyACM*", MODE="0666"
KERNEL=="ttyS*", MODE="0666"
on Windows, need to install this driver
https://www.arduined.eu/files/windows10/CH341SER.zip
if not work, add driver below
http://www.prolific.com.tw/UserFiles/files/PL23XX_Prolific_DriverInstaller_v206.zip