RS232 to RS485 Ethernet Adapter Converter DB9 to RJ12 Full Duplex.
housed in a sturdy metal enclosure.
Requires DC 5V power supply that is NOT Included
Note that this will not work with 2 wire simplex (half duplex) rs485 systems, it is for 4 wire systems only (Full Duplex)
This unit is new and will arrive as pictured