Advantech ADAM-6521/ST-AE 5-Port Industrial Grade Ethernet Switch with Multi-Mode 4FE+1FE ST Type Fiber Optic Port, Flexible Mounting $213.15 Select
Advantech ADAM-4052-BE 8-Channel Isolated Digital Input Module, 6 Fully Independent Isolated Channels $141.00 Select
Advantech ADAM-5080-BE I/O Module, 4-Channel Counter / Frequency Module, ADAM-5000 Series $314.00 Select