The Digi One SP device server easily allows any device with a serial port to be connected to Ethernet. The compact design of the Digi One SP delivers cost-effective performance and capability in one of the smallest form factors available. The Digi One SP delivers efficient serial-to-Ethernet connectivity and is ideal for applications where TCP Socket UDP Socket or UDP multicast functionality is needed. Digi One SP DB-9 - Device server - EN Fast EN RS-232 RS-422 RS-485