• Managed Layer 3 switch with 48 x 10/100Mbps ports
• Two combo ports for Gigabit copper/Mini GBIC connection
• Two Gigabit Ethernet ports on the back for Gigabit backbone connection
• Auto MDI/MDX on all 10/100Mbps ports
• 802.1x RADIUS, TACACS+
• SSH v2/SSL v3
• ZoneDefense functionality with D-Link firewalls (DFL-800, -1600, -2500,)
• Traffic prioritisation (IEEE 802.1p)
• Traffic segmentation
• Port-based bandwidth limitation down to 64k
• Quality of Service (QoS)
• VLAN-tagging (IEEE 802.1Q, 4000 static and 255 dynamic groups)
• IP routing (IPv4)
• Floating static route
• Policy-based routing (future firmware update)
• Spanning tree (IEEE 802.1d)
• Rapid Spanning tree (IEEE 802.1w)
• Multiple STP (IEEE 802.1s)
• IGMP snooping and IGMP v2
• Link aggregation (802.3ad LACP)
• Broadcast storm control
• DOS protection
• Guest VLAN (next f/w release)
• VMAN (double VLAN, next f/w release)
• Multicast functions
• SYSLOG
• Access Control List (ACL)
• PIM DM and PIM SM (future f/w release)
• SNMPv3/RMON and web-based configuration
• CLI-based configuration, console port (RS232) and Telnet
• NTP support
• BootP/DHCP client (DHCP auto-configuration)
• DHCP option 82

Optional SFP Transceivers
DEM-310GT: SFP transceiver for 1000BASE-LX, single-mode fiber, max. 10 km, 3.3V
DEM-311GT: SFP transceiver for 1000BASE-SX, multi-mode fiber, max. 550 m, 3.3V

Optional Redundant Power Supply
DPS-200: 60-watt redundant power supply
DPS-900: 8-slot redundant power supply chassis

Optional Management Software
DS-510S: D-View 5.1 SNMP Network Management Program (standard version)
DS-510P: D-View 5.1 SNMP Network Management Program (professional version)