CyberData 011146 VoIP V3 Paging Server (with Night Ringer) Type: Accessories Dimensions: 6.11 x 4.05 x 1.15 (L x W x H) Specifications: Protocol: SIP RFC 3261 Compatible 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 Regulatory Compliance: FCC Class A, UL 60950 Page Port Output Balanced 600 Ohm 10 VPP Line In: - Input Signal Amplitudes: 2.0 VPP maximum - Input Impedance:10k ohm Line Out: - Output Signal Amplitudes:2.0 VPP maximum - Output Level: +2dBm nominal - Total Harmonic Distortion: 0.5% maximum - Output Impedance: 10k ohm