Ubiquiti Networks US-48 48-Port UniFi Managed Gigabit Switch with SFP

This Ubiquiti Networks US-48 48-Port UniFi Managed Gigabit Switch with SFP. It has a 500W maximum deliverable PoE, and supports 802.3at/af and 24VDC passive PoE. With its 48 Gigabit ports, two SFP ports, and two SFP+ port, you should have more than choices to expand your network. It’s non-blocking throughput is 70Gbps, and switching capacity is 140Gbps.

Features:
• (48) Gigabit RJ45 ports
• (2) 1 Gbps SFP ports
• (2) 1/10 Gbps SFP+ ports
• Total, non-blocking throughput: 70 Gbps
• Maximum power consumption: 500W
• Supports POE+ IEEE 802.3at/af and 24VDC Passive PoE
• Rackmountable
• Max Deliverable PoE: 500W

Product Specifications 
• Weight: 6.1kg (13.5lbs)
• Max Power Consumption:
-Including PoE Output: 500W
-Excluding PoE Output: 64W
• Power Supply: AC/DC, Internal, 500W DC
• Dimensions: 485 x 43.7 x 374.6mm (19.09 x 1.72 x 14.75″)
• Total Non-Blocking Throughput: 70 Gbps
• Switching Capacity: 140 Gbps
• Forwarding Rate: 104.16 Mpps
• Power Method: 100-240VAC/50-60 Hz, Universal Input
• LEDs Per Port: RJ45 Data Ports: PoE, Speed/Link/Activity / SFP+/SFP Data Ports: Speed/Link/Activity
• Networking Interfaces: (48) 10/100/1000 Mbps RJ45 Ethernet Ports, (2) 1/10 Gbps SFP+ Ethernet Port, and (2) 1 Gbps SFP Ethernet Ports
• Management Interface: (1) RJ45 Serial Port Out-of-Band (Reserved for Future Use), Ethernet In-Band
• Certifications: CE, FCC, IC
• Rack Mount: Yes, 1U High
• ESD/EMP Protection:
-Air: ±24 kV
-Contact: ±24 kV
• Operating Temperature: -5 to 40°C (23 to 104°F)
• Operating Humidity: 5 to 95% non-condensing
• Shock and Vibration: ETSI300-019-1.4 Standard

PoE Specifications 
• PoE Interfaces: PoE+ IEEE 802.3af/at (Pins 1,2+;3,6-), 24VDC Passive PoE (Pins 4,5+;7,8-)
• Max. PoE+ Wattage per Port by PSE: 34.2W
• Voltage Range 802.3at Mode: 50-57V
• Max. Passive PoE Wattage per Port: 17W
• 24V Passive PoE Voltage Range: 20-27V