Primary Port Type: 4 x ports 100M/1G BaseT Class 6 PoE ports supporting up to 60W per port
20 x ports 100M/1G BaseT Class 4 PoE ports supporting up to 30W per port
4 x 1G/10G SFP ports
Standards: IEEE 802.1w Rapid Convergence Spanning Tree
IEEE 802.1AB Link Layer Discovery Protocol
IEEE 802.3af Power over Ethernet
IEEE 802.1p Priority
IEEE 802.3x Flow Control
IEEE 802.1D Spanning Tree
IEEE 802.3ad Link Aggregation Control Protocol
IEEE 802.1X Network Login
IEEE 802.1Q GVRP
Primary Ports: 48 RJ-45 10/100 ports (IEEE 802.3 Type 10Base-T, IEEE 802.3u Type 100Base-T)
1 RS-232C DB-9 console port
2 Dual Personality Ports each port can be used as either an RJ-45 10/100/1000 port (IEEE 802.3 Type 10Base-T; IEEE 802.3u Type 100Base-TX; IEEE 802.3ab 1000Base-T Gigabit Ethernet) or an open mini-GBIC slot (for use with mini-GBIC transceivers)
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