Especificaciones:

Dimensions: 485 x 43.7 x 285.4 mm (19.09 x 1.72 x 11.24")
Weight:4.7 kg (10.4 lb) 
Total Non-Blocking Throughput: 26 Gbps
Switching Capacity: 52 Gbps
Forwarding Rate: 38.69 Mpps
Max. Power Consumption:
Includes PoE Output: 250W
Excludes PoE Output: 30W
Power Method: 100-240VAC/50-60 Hz, Universal Input
Power Supply: AC/DC, Internal, 250W DC 
LEDs Per Port:
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, 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 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