• Comply IEEE 802.3 (10BASE-T), 802.3u (100BASE-TX) standards 
• Full Duplex or Half Duplex operations with auto-detection 
• Auto-negotiation 10BASE-T and 100BASE-TX connection 
• Integrated address Look-up Engine, support 1K MAC Address 
• Automatic address learning, address aging and address migration 
• On-chip 32Kx32 SRAM for frame buffering 
• Store-and-Forward transmission mode 
• IEEE 802.3x Flow Control 
• Back Pressure Flow Control 
• Dedicate Uplink Port and could be as the 5th port via Cross-Over Cable 
• Power-On-Self-Test LED Indication 
• Status LED interface for easy maintenance 
• Broadcast storm protection 
• Maximum On-Board 600mA @+5.0Vdc (3W) power consumption