Widely Used: Support status query, port statistics, fault detection and reporting, easy to maintenance and management. Durable Metal housing, fanless silent, multiple cooling holes, LED indicator lights. 1U rackmout, widely used in building/enterprise/business/data/broadband/access and converge Network. Powerful Management: Support various management methods such as Web, CLI (1 console port, Telnet, SSH), SNMP, RMON. The WEB interface has been professionally designed, beautiful, concise and easy to use, with comprehensive and rich CLI commands, suitable for ordinary and professional network management. Enhance Network Features: Include 802.1Q VLAN, IP-MAC-Port binding, ACL, Qos, Port Security/Rate Limit, Link Aggregation, Spanning Tree, Multicast, DoS defend, Storm control, DHCP Snooping, 802.1X radius authentication and more. Support IPV4/IPV6, ARP; Static Routing, more flexible on-demand configuration routing, helps route internal traffic for more efficient use of network resources. High POE Power: Support IEEE 802.3af/at, maximum 300W whole power, each port max 30W. The POE port supports web setting management, status query, so can clearly observe and control the power supply status of the POE. *Please note: it will not supply power to passive 24V PoE and NON-PoE devices.*. 28 Gigabit Ports: Includes 24 Gigabit PoE ethernet ports, 4 Gigabit Ethernet UpLink, 4 Gigabit Combo SFP Ports. Switching capacity is 56 Gbps, each port can reach 1G rate at the same time, with high speed transmission; 4 Combo SFP UpLink, can be more flexible and long distance to connect to different network devices, support DDM, can check the status of the optical module.