Advantech's EKI-1221D and EKI-1222D Gateways

EKI-1221D and EKI-1222D gateways provide transparent connectivity between Modbus serial devices and Ethernet-based Modbus TCP equipment. They have built-in Ethernet switches for cascading/daisy-chain connectivity that offers flexible cabling. Cascading connections support Ethernet auto-bypass to prevent accidental power failure in the event one of the Modbus gateways unexpectedly shuts down.

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