I spent 4 days to research the mango connect the RS232 /RS485 device .it is not sucessful. so unhappy for this .

I use hypertermial is very easy to connect the device and can received the data .but I want to mango to conncet the device .so I use Serial Test Data Source .and setting as attachment.

But test it for many time . I donot know how to solve it . whether mango conncet serial (rs232) is so complex?

thank in advance!

Attachment: download link