Physical Port
• 24 10/100 Mbps Fast Ethernet ports and 12 PoE Injector ports ( Port 1 to port 12)
• 2 10/100/1000Mbps TP and SFP shared combo interfaces
• RS-232 male DB9 console interface for Switch basic management and setup
• Reset button for system management

Power over Ethernet
• Complies with IEEE 802.3af Power over Ethernet end-span PSE
• Up to 12 IEEE 802.3af devices powered
• Supports PoE Power up to 15.4 watts for each PoE port
• Auto detects powered device (PD)
• Circuit protection prevents power interference between ports
• Remote power feeding up to 100m
• PoE Management
　–Total PoE power budget control
　–Over Temperature Protection function enable / disable
　–Per port PoE function enable / disable
　–PoE Port Power feeding priority
　–Per PoE port power limit
　–PD classification detection

Layer 2 Features
• Complies with the IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z Gigabit　Ethernet standards
• Auto-negotiation and full-duplex / half-duplex modes for all 10Base-T/100Base-TX and 1000Base-T ports.
• Auto-MDI / MDI-X detection for each RJ-45 port
• Prevents packet loss flow control:
　–IEEE 802.3x pause frame flow control for full-duplex mode
　–Back-pressure flow control in half-duplex mode
• High performance of Store-and-Forward architecture, runt/CRC filtering eliminate erroneous packets to optimize the network bandwidth
• Broadcast / Multicast / Unicast storm control
• 8K MAC address table, automatic source address learning and ageing
• VLANs
　–IEEE 802.1Q Tag-based VLAN
　–Port-based VLAN
　–Q-in-Q tunneling
　–Up to 255 VLANs groups, out of 4041 VLAN IDs
• Link Aggregation
　–up to 13 trunk groups
　–up to 8 ports per trunk group with 1.6Gbps bandwidth (full duplex mode)
　–IEEE 802.3ad LACP (Link Aggregation Control Protocol)
　–Cisco ether-channel (Static Trunk)
• Spanning Tree Protocol
　–STP, IEEE 802.1D (Classic Spanning Tree Protocol)
　–RSTP, IEEE 802.1w (Rapid Spanning Tree Protocol)
• Port Mirroring to monitor the incoming or outgoing traffic on a particular port

Quality of Service
• 4 priority queues on all switch ports
• Traffic classification:
　–IEEE 802.1p CoS
　–IP TOS / DSCP to 802.1p priority mapping
　–Port-based priority
• Strict priority and Weighted Round Robin (WRR) CoS policies
• Supports QoS and In/Out bandwidth control on each port

Multicast
• Supports IGMP Snooping v1 and v2
• IGMP Snooping v2 fast leave
• Querier mode support

Security
• IEEE 802.1x Port-based network access control protocol
• RADIUS users access authentication
• L3 / L4 Access Control List (ACL)
• MAC Filtering and Source IP-MAC / Port-Binding
• Port Security for Source MAC address entries filtering

Management
• Switch Management Interface
　–Console / Telnet Command Line Interface
　–Web switch management
　–SNMP v1, v2c switch management
　–SSL switch management
• DHCP client for IP address assignment
• Built-in Trivial File Transfer Protocol (TFTP) client
• Firmware upgrade via TFTP or HTTP
• Configuration upload / download via TFTP or HTTP
• Four RMON groups 1, 2, 3, 9 (history, statistics, alarms, and events)
• SNMP trap for interface Link Up and Link Down notification
• Ping function