2-port RS-232/422/485 device server, 0 to 60°C operating temperature Fast 3-step web-based configuration Surge protection for serial, Ethernet, and power COM port grouping and UDP multicast applications Screw-type power connectors for secure installation Dual DC power inputs with power jack and terminal block Versatile TCP and UDP operation modes NPort 5250A with Adapter -2-Port Device Server, US Plug,10/100M Ethernet,3 in 1,RS-232/422/485, DB9 male,12-48VDC (Moxa)