The Barionet 200 is a programmable I/O device server based on Linux OpenWrt. It provides one 10/100 RJ45 Ethernet interface, 2.4 GHz Wi-Fi, four USB Type A host ports and one digital input for 0–15 V DC signals. The device supports IPv4 and IPv6, web-based configuration and control, and protocols including HTTP, SNMP, TCP/IP, RTP and UDP. It operates from 9–30 V DC or IEEE 802.3af PoE and measures 103 × 85 × 31 mm.