Best Seller | Digi International DIGI One IA RealPort Network Adapter - 10 by 100 Ethernet Features RS-232/422/485 switch selectable in field DB-9M and screw terminal block serial ports Second serial port can be used as a pass-through port Powered Ethernet 802.3af support and fail-over capability when used with 9-30VDC inputSpecifications... more | | $819.17 FREE shipping go to store |