* Dual Ethernet ports (M12 connectors)
* Built-in switch allows for daisy-chaining of devices
* RS-485 serial interface (M12 connector) with fused supply output to external devices
* Panel interface on Sub-D 15 connector with all audio and I/O signals
* Balanced Electret microphone input with supervised bias power
* Isolated, balanced, 0dBm line-level audio output (max. 11dBm@600Ohm)
* 5-watt class D speaker amplifier, supervised 8-ohm speaker output
* 2 fully supervised contact closure inputs
* 1 LED driver output, current limited
* Built-in temperature sensor for device health monitoring
* Isolated supply voltage input 24-48 VDC voltage range
* IP65 rated, tested to EN50155, suitable for harsh environments
* Wide operating range (-40..+70°C/-40..158°F), shock and vibration resistant