Standards •IEEE 802.3 10BASE-T Ethernet
•IEEE 802.3u 100BASE-TX Fast Ethernet
•IEEE 802.3ab 1000BASE-T Gigabit  Ethernet
•ANSI/IEEE 802.3 Nway auto-negotiation
•IEEE 802.3x Flow Control
Number of Ports •48 10/100BASE-TX ports with auto MDI/MDIX
•2 10/100/1000BASE-T ports with auto MDI/MDIX
Full/Half Duplex Support •Ethernet/Fast Ethernet: full/half duplex
•Gigabit: full duplex
Flow Control •Half duplex mode: back pressure
•Full duplex mode: 802.3x flow control
LED Report •Per device: Power
•Per port: Link/Act
Switch Fabric •13.6Gbps
Transmission Method •Store-and-forward
MAC Address Table •8K entries per device
MAC Address Learning •Automatic update
RAM Buffer •3.2MBit per device
Packet Filtering/Forwarding Rate •10BASE-T : 14,880 pps per port
•100BASE-TX: 148,800 pps per port
•Gigabit: 1,488,000 pps per port
Physical & Enviromental •Power Input 100 to 240 VAC, 50/60 Hz Internal universal power supply
Dimensions •441 (W) x 309 (D) x 44 (H) mm
•19-inch rack-mount width, 1 U height
Power Consumption •24 watts
Operating Temperature •0 to 40 C
Storage Temperature •-25 to 55 C
Weight •3.7 kg
Humidity •0% to 95% non-condensing
Emission (EMI) •FCC Class A
Dlink 48-Port 10/100Mbps + 2-P...