inline, bus coupler, modbus/tcp(udp), rj45 socket, digital inputs: 8, 24 v dc, connection method: 3-wire, digital outputs: 4, 24 v dc, 500 ma, connection method: 3-wire, transmission speed in the local bus: 500 kbps / 2 mbps, degree of protection: ip20, including inline connectors and marking fields