2 relay outputs (240 VAC 5 A) 
4 digital inputs (0.12 V), configurable pull ups 
4 universal inputs (analogue 0..5/10 V or digital 0..12 V) 
with configurable pull ups 
4 digital outputs (open collector, 24 V 0.1 A)
2 Barix extension bus connectors with Dallas 1-Wire® capability 

6 Relays (250 VAC/16 A, NO and NC)
RS-485 serial interface with Modbus/RTU-protocol support
Provides 12 analogue and digital inputs/outputs for the connection of temperature sensors, readers and devices
DIN-rail mountable
Two extension connectors for easy daisy chaining of power supply

12 solid state outputs (up to 1.5 A at 6 to 30V DC)
12 ESD protected inputs (opto isolated in groups of 4, 10 to 30V DC)
RS-485 (2-wire) serial interface, Modbus/RTU protocol
Two extension connectors for easy daisy chaining of power supply, additional I/O units (IO12), relay units (R6) etc.

Communicates over a standard 10/100 Mbit/s Ethernet connection and is equipped with RS-232 and RS-422/485 interfaces
Has inputs for all sound sources for IP audio encoding from tuners to record, tape, MD and CD players
Provides 12 analogue and digital inputs/outputs for the connection of temperature sensors, readers and devices
Easy Control via web browser, IR remote or API
Supports TCP/IP, SNMP, HTTP and CGI

Eight independent, configurable I/O (inputs/outputs)
RS-485 serial interface with Modbus/RTU-protocol support
Connections for LED displays, temperature and humidity sensors
Wiegand interface