<p><b>4 Port Fast Ethernet Smart POE Switch</b></p><p><br></p><p>4 × 100 Mbps PoE RJ45 ports, 2 × 100 Mbps network RJ45 ports<br></p><p>IEEE 802.3at/af/bt standard for PoE ports</p><p>Network topology management, and alarm push</p><p>6 KV surge protecti