Advantech ADAM-4571-CE Serial Device Server, 1-Port, Supports RS-232/422/485, Baud Rate up to 921.6 kbps, 5 Hosts to Access 1 Serial Port, 16 Hosts Access as TCP Client Mode, COM Port Redirection (Virtual COM), TCP & UDP Operation Modes, 10/100 Mbps Auto-Sensing Ethernet $150.00 Select
Advantech ADAM-4052-BE 8-Channel Isolated Digital Input Module, 6 Fully Independent Isolated Channels $141.00 Select