:: Features * Web Smart Switch with 24 10/100Mbps Ports, 2 10/100/1000BASE-T and 2 combo 10/100/1000BASE-T/SFP * Fanless Design: Provides Continuous, Reliable, Silent and Eco-Friendly Operation * Security Features: Access Control List, D-Link Safeguard Engine™ and Port Security * Intuitive Management: SmartConsole or Web-Based GUI, Built-in MIB Browser for SNMP, D-View 6.0 Module Support and Compact CLI through Telnet * Supports Auto Voice VLAN and DSCP QoS for VoIP Application Technical Specifications Number of Ports 24 10/100Mbps 2 10/100/1000BASE-T 2 combo 10/100/1000BASE-T/SFP Port Standards & Functions IEEE 802.3 10BASE-T Ethernet (twisted-pair copper) IEEE 802.3u 100BASE-TX Fast Ethernet (twisted-pair copper) IEEE 802.3ab 1000BASE-T Gigabit Ethernet (twisted-pair copper) IEEE 802.3z Gigabit Ethernet (fiber) ANSI/IEEE 802.3 Auto-negotiation IEEE 802.3x Flow Control Network Cables UTP Cat.5, Cat.5e (100m max) EIA/TIA-568 100-ohm STP (100m max) Full/Half Duplex Full/half duplex for 10/100Mbps speeds Full duplex for Gigabit speed Media Interface Exchange Auto MDI/MDI-X adjustment for all twisted pair ports Switching Capacity 12.8Gbps Transmission Method Store-and-forward MAC Address Table 8K entries per device MAC Address Update Up to 256 static MAC entries Enable/disable auto-learning of MAC addresses Maximum 64 bytes packet forwarding rate 9.5Mpps RAM Buffer 512KB per device AC Input 100 to 240 VAC 50/60 internal universal power supply Maximum Power Consumption 17.6W Standby Power Consumption 7.6W/110V, 7.9W/240V Fan Quantity 0 Acoustics 0dBA Heat Dissipation 60.05 BTU/hr Temperature Operating: 32° to 104°F (0° to 40°C) Storage: 14° to 158° F (-10° to 70° C) Humidity Operating: 10% to 95% Non-condensing Storage: 5% to 95% Non-condensing Dimensions 17.3in x 8.3in x 1.7in (440mm x 210mm x 44mm) 19-inch standard rack mounting width, 1U height Weight 5.73 lbs (2.6kg) Diagnostic LEDs Power (per device) Link/Activity/Speed (per 10/100/1000Mbps port, per 10/100Mbps port, per SFP port) Emission (EMI) FCC Class A, CE Class A, VCCI Class A, C-Tick MTBF 419,467 hours Safety cUL, LVD