Fully complies with IEEE 802.3, 802.3u, 802.3ab and 802.3z standards 24 10/100Mbps Auto-Negotiation RJ45 ports supporting Auto-MDI/MDIX 2 10/100/1000Mbps auto-negotiation RJ45 ports supporting Auto-MDI/MDIX 2 SFP independence expansion slots supporting MiniGBIC modules Quick and easy setup with Web-based management Supports Port-Based VLAN and IEEE 802.1Q Tag VLAN Supports Port Bandwidth Control Supports Port Trunking Supports the configuration function of Port Security, Broadcast Storm Control and Port Mirror Supports Static MAC address and filtering MAC address management Supports Virtual Cable Test Supports Static Port Priority and IEEE 802.1p Class of Service (CoS) with 4-level priority queuing Supports firmware upgrade, configuration backed up and restored Rack-mountable steel case Internal power supply