Device Interfaces. 24 10/100 Mbps LAN ports standards. IEEE 802.3 10BASE-T. IEEE 802.3u 100BASE-TX. IEEE 802.3x flow control. IEEE 802.1p QoS. IEEE 802.3az energy-efficient ethernet (EEE) switching capacity. 4.8 Gbps switching fabric advanced features. Auto MDI/MDIX crossover for all ports. Secure store-and-forward switching scheme. Full/half-duplex for Ethernet/fast Ethernet speeds. Supports 9 216 byte jumbo frames. Back pressure at half-duplex operation. Wire-speed reception and transmission. Store and-forward switching method. Auto-negotiation for each port. QoS (4 queues, strict mode) data transfer rates. Ethernet:. 10 Mbps (half duplex). 20 Mbps (full duplex). Fast Ethernet:. 100 Mbps (half duplex). 200 Mbps (full duplex) transmission method. Store-and-forward MAC address table Size. 8 000 Packet Filtering/Forwarding Rates. Ethernet: 14 880 pps per port. Fast Ethernet: 148 800 pps per port RAM Buffer. 256 KB per device Physical Parameters LED Indicators. Per port: Link/Activity/Speed. Per device: Power media Interface Exchange. Auto MDI/MDIX adjustment for all ports dimensions. 282.2 x 151 x 44.5 mm Weight. 1.14 kg Power. 100 to 240 V AC power consumption. Power On (Standby): 1.25 watts. Maximum: 6 watts temperature. Operating: 0 degree to 40 degree C. Storage: 40 degree to 70 degree C humidity. Operating: 10% to 90% (Non-condensing). Storage: 5% to 95% (Non-condensing) MTBF. 952 099 hours maximum heat dissipation. 27.3 BTU/h certifications. CE Class B. CE (LVD 2006/95/EC).