Ports: Total System Ports: 26GE, Copper FE/GE Ports (RJ45): g01–g12, g13–g24, Combo Ports (RJ45 + SFP): 2 combo on ports g25, g26, Number of Ports with PoE+ Support: 24 Memory: 128 MB LEDs: System (blue), Link/Act/PoE (green/green) System Power Consumption without PoE+: 110V:25.2W, 220V:25.5W Forwarding Rate: 38.69 Mpps Switching Capacity: 52 Gbps MAC Address Table Size: 8K Jumbo Frame (FE, GE): 9K Fans: Three 8,200 rpm Power Dedicated to PoE+: 384W Power Input: 100–240V, 50–60 Hz, (7.5A max) Power Saving: EEE+, Short Reach + Energy Detect Operating Temperature: 0 to 50°C (32 to 122°F) Storage Temperature: -40 to 70°C (-40 to 158°F) Operating Humidity: 10 to 90% RH Storage Humidity: 10 to 90% RH (non-condensing) Spanning Tree: IEEE 802.1d Spanning Tree, IEEE 802.1w Rapid Spanning Tree; IEEE 802.1s Multiple Spanning Trees Link Aggregation: IEEE 802.3ad LACP, up to 4 groups with up to 8 ports per group VLAN: Port-based and 802.1q tag-based VLANs, Management VLAN, Guest VLAN support, Dynamic VLAN assignment via Radius server with 802.1x client authentication Number of VLANs Supported: 128 active VLANs (4,096 range) Auto Voice VLAN: Voice traffic is automatically assigned by OUI to a voice-specific VLAN and treated with appropriate levels IGMP Snooping: IGMP (v1/v2/v3) snooping provides for fast client joins and leaves of multicast streams and limits bandwidth-intensive video traffic to only the requestors; supports 256 multicast groups HOL Blocking Prevention: Head of line (HOL) blocking prevention Port Mirroring: Traffic on multiple ports (up to 4 ports) can be mirrored to another port for analysis with a network analyzer Security Features: 802.1x Radius authentication, DHCP snooping, IP-MAC binding, Port security supports limited dynamic lock and locked MAC address, Management access control Storm Control: Broadcast, flooding, and multicast Quality Of Service: Port-based, 802.1p priority-based, IPv4/v6 IP DSCP-based RMON: Embedded remote monitoring (RMON) software agent support for enhanced traffic management, monitoring, and analysis Management Interface: HTTP, HTTPS Other Management: Telnet (menu-driven), DHCP client, system log, configuration unload and backup via HTTP or TFTP, PING, dual images, SNTP SNMP: Version 1, Version 2c, Version 3 Firmware Upgrade: Web Browser (HTTP/HTTPS), TFTP