Number of Ports 
• 24 x 10/100/1000 Mbps ports
• 2 x 10/100/1000BASE-T/SFP combo ports
Standards 
• IEEE 802.3 10BASE-T Ethernet
• IEEE 802.3u 100BASE-TX Fast Ethernet
• IEEE 802.3ab 1000BASE-T Gigabit Ethernet
• IEEE 802.3z
• IEEE 802.3x Flow Control
• IEEE 802.3az Energy Efficient Ethernet (EEE)
Switching Capacity 
• 52 Gbps switching fabric
64 Byte Max. Forwarding Rate 
• 38.69 Mpps
Media Interface Exchange 
• Auto MDI/MDI-X
Transmission Method 
• Store-and-forward
MAC Address Table 
• 8K (8192) entries per device
Packet Buffer Memory 
• 512 KB per device
PoE Standards 
• IEEE 802.3at
• IEEE 802.3af
PoE Ports 
• Ports 1 to 24
PoE Budget 
• 370 W
• Up to 30 W per port
LEDs
Per Unit 
• Power
• PoE Power Budget
Per Port 
• Activity/Link
• Speed
Dimensions 
• 440 x 250.4 x 44 mm
Weight 
• 3.1 kg
Power Input 
• AC Input: 100 to 240 V AC, 50/60 Hz
Power Consumption 
Maximum:
• 444.1 W (PoE on)
• 82.1 W (PoE off)
Standby:
• 100 V: 18.35 W
• 240 V: 18.25 W