Overview Of Ubiquiti Unifi Switch 24port 250W / US-24-250W
– Dimensions : 485.04 x 44.45 x 285.6 mm (19.1 x 1.75 x 11.24″)
– Weight : 3.7 kg (8.16 lb)
– Total Non-Blocking Throughput : 26 Gbps
– Switching Capacity : 52 Gbps
– Forwarding Rate : 38.69 Mpps
– Max. Power Consumption
US-24-250W : 250W
US-24-500W : 500W
– Power Method : 100-240VAC/50-60 Hz, Universal Input
– Power Supply :
US-24-250W : AC/DC, Internal, 250W DC
US-24-500W : AC/DC, Internal, 500W DC
– LEDs Per Port :
Serial Console Port : N/A
RJ45 Data Ports : PoE, Speed/Link/Activity
SFP Data Ports : Speed/Link/Activity
– Networking Interfaces :
(24) 10/100/1000 Mbps RJ45 Ethernet Ports
(2) 1 Gbps SFP Ethernet Ports
– Management Interface : (1) RJ45 Serial Port (Reserved for Future Use), Ethernet In/Out Band
– Certifications : CE, FCC, IC
– Rackmount : 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% Noncondensing
– Shock and Vibration : ETSI300-019-1.4 Standard
PoE Per Port
– 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 : 5057V
– Max. Passive PoE Wattage per Port : 17W
– 24V Passive PoE Voltage Range : 20-27V
https://www.ubnt.com/unifi-switching/unifi-switch-poe/