All known drivers wasn't working for me, I needed to make few changes

• Kernel 3.11
• Tested :P

Additional links:

http:https://www.moxa.com/support/download.aspx?type=support&id=880

http:https://www.moxa.com/support/download.aspx?type=support&id=952

http:https://www.moxa.ru/forum/index.php?/topic/1732-%D0%BF%D1%80%D0%BE%D1%88%D1%83-%D0%BF%D0%BE%D0%BC%D0%BE%D1%87%D1%8C-%D1%81%D0%BE-%D1%81%D0%B1%D0%BE%D1%80%D0%BA%D0%BE%D0%B9-linux-%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80%D0%B0-%D0%B4%D0%BB%D1%8F-nport-5150/