Physical Port
• 24-Port 10/100Mbps Fast Ethernet ports
• 4 10/100/1000Mbps TP and SFP shared combo interfaces, SFP(Mini-GBIC) supports
　100/1000 Dual mode
• RS-232 DB9 console interface for basic management and setup

Power over Ethernet
• Complies with IEEE 802.3af Power over Ethernet End-Span PSE
• Up to 24 IEEE 802.3af devices powered
• Supports PoE Power up to 15.4 watts for each PoE ports
• Auto detect powered device (PD)
• Circuit protection prevent power interference between ports
• Remote power feeding up to 100m
• PoE Management
　–Total PoE power budget control
　–Pert 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 standard
• Supports 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, broadcast storm control and
　runt / CRC filtering eliminate erroneous packets to optimize the network bandwidth
• 8K MAC address table, automatic source address learning and ageing
• 2Mbit embedded memory for packet buffers
• Supports VLANs
　–IEEE 802.1Q Tag-based VLAN
　–IEEE 802.1v Protocol based VLAN
　–Q-in-Q tunneling
　–GVRP protocol for VLAN Management
　–Private VLAN Edge (PVE) supported
　–Up to 255 VLANs groups, out of 4041 VLAN IDs
• Supports Link Aggregation
　–Up to 12 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)
• Supports Spanning Tree Protocol
　–STP, IEEE 802.1D (Classic Spanning Tree Protocol)
　–RSTP, IEEE 802.1w (Rapid Spanning Tree Protocol)
　–MSTP, IEEE 802.1s (Multiple Spanning Tree Protocol, spanning tree by VLAN)
• 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 / IP Precedence
　–IP TCP / UDP port number
• Strict priority and Weighted Round Robin (WRR) CoS policies
• Supports QoS and In / Out bandwidth control on each port
• Traffic-policing policies on the switch port
• Voice VLAN Traffic QoS

Multicast
• Supports IGMP Snooping v1 and v2
• Querier mode support
• Multicast VLAN Registration (MVR)

Security
• IEEE 802.1x Port-Based / MAC-Based Authentication
• Web Authentication
• RADIUS / TACACS+ users access authentication
• IP-Based Access Control List (ACL)
• MAC-Based Access Control List (ACL)
• Port Security

Management
• Switch Management Interface
　–Console / Telnet Command Line Interface
　–Web switch management
　–SNMP v1, v2c, and v3 switch management
　–SSH v1/v2 switch management
　–SSL v3 switch management
• BOOTP and DHCP client for IP address assignment
• Built-in Trivial File Transfer Protocol (TFTP) client
• Firmware upload / download via TFTP
• Configuration upload / download via TFTP
• SNTP (Simple Network Time Protocol)
• Message / event / error / trap logs
• Logging to local file and syslog server
• Supports Private Enterprise MIB
• Four RMON groups 1, 2, 3, 9 (history, statistics, alarms, and events)
• Supports Ping function
• IP Stacking management up to 36 units