Protocol: InformaCast V4.0 and later Ethernet I/F: 10/100 Mbps Power Input: PoE 802.3af or 48VDC Operating Temperature: -10 degrees C to 50 degrees C (14 degrees F to 122 degrees F) Payload Types: G711 Page Port Output: Balanced 600 Ohm 5VPP Input Signal Amplitudes: 2.0 VPP maximum Input Impedance: 10k Ohm Output Signal Amplitudes: 2.0 VPP maximum Output Level: +2dBm nominal Total Harmonic Distortion: 0.5% maximum Output Impedance: 10k Ohm Web-based configuration and firmware upload PoE 802.3af enabled (Power-over-Ethernet) UL 60950 FCC Class A