... 3)Supports DIN-rail Features:1) Wall-Mounted Photo-Isolation Interface Converter2) Point to point, point to multi-point communication3) ... type (isolation voltage 3500V impulse / 500V sequence) RS-232 interface 600W, RS-422/485 1,000W lightning protection on each ... supply at RS-422/485 end10) Full metal housing, anti-static, powerful anti-jamming capacity, high performance / price ratio11) Supports ...