– 48V~56V DC wide power input with polarity reverse protect function, – BPDU Guard, – Broadcast / Multicast / Unicast, – IEEE 802.1D Spanning Tree Protocol (STP), – IEEE 802.1Q tagged VLAN, – IEEE 802.1s Multiple Spanning Tree Protocol (MSTP), spanning tree by VLAN, – IEEE 802.1w Rapid Spanning Tree Protocol (RSTP), – MAC-based VLAN, – PoE admin-mode control, – PoE usage threshold control, – Private VLAN Edge (PVE), – Protocol-based VLAN, – Provider Bridging (VLAN Q-in-Q) support (IEEE 802.1ad), – Temperature threshold control, – Up to 255 VLANs groups, out of 4094 VLAN IDs, – Voice VLAN, '- 3-pin terminal block or DC jack connector, 2 x 100/1000Base-X mini-GBIC/SFP slots, SFP type auto detection, 8 x 10/100/1000BASE-T Gigabit Ethernet RJ45 ports with IEEE 802.3at PoE+ Injector, Auto detects powered device (PD), Circuit protection prevents power interference between ports, Compact size with fixed wall-mounted, magnetic wall-mounted or DIN-rail design, Complies with IEEE 802.3at Power over Ethernet Plus, end-span PSE, Dual power input design, High performance of Store-and-Forward architecture, and runt/CRC filtering eliminates erroneous packets to optimize the network bandwidth, Industrial Case and Installation:, Intelligent PoE features, IP30 metal case, Layer 2 Features:, PD alive check, PD classification detection, Per PoE port power limitation, Per port PoE function enable/disable, Physical Port:, PoE management features, PoE port power feeding priority, PoE schedule, Power over Ethernet:, Prevents packet loss with back pressure (half-duplex) and IEEE 802.3x pause frame flow control (full-duplex), Remote power feeding up to 100 meters, Storm control support, Supports -40 to 75 degrees C operating temperature, Supports ESD 6KV DC Ethernet protection, Supports PoE power up to 36 watts for each PoE port, Supports Spanning Tree Protocol, Supports VLAN, Total PoE power budget control, Up to 8 IEEE 802.3af / 802.3at devices powered