Hardware Network standards IEEE 802.3/3u/3x, IEEE 802.3af/at LED Indicator 6 Link/Ack LED indicators 1 * Power LED indicator Interfaces 4*10/100 Base-TX Ethernet ports (Data/Power) 2*10/100 Base-TX Ethernet ports (Data) Transmission media Recommended: CAT5/5e UTP or better Fan quantity N/A Dimension 100.0mmx100.0mmx26.0mm Level of protection Lightning protection for ports: 6KV Lightning protection for power: 4KV ESD: Air discharge: ±10kV Contact discharge: ±8kV Forwarding mode Store-and-forward Switch capacity 1.2 Gbps Packet forwarding rate 0.89Mpps Buffer 448K MAC address table 1 K Jombo frame N/A PoE budget Single port: AF: 15.4W, AT: 30W Whole device: 63W Power consumption / Input voltage 100－240V AC 50/60Hz 51V /1.25A DC（Power Adapter ） Mounting Desktop mounting: support Wall mounting: support Rack mounting: non-support Environment Operating Temperature: 0℃~45℃ Storage Temperature: -40℃~70℃ Operating Humidity: 10%~90% non-condensing Storage Humidity: 5%~90% non-condensing Certification FCC CE、RoHS Software Functions Standard: the switch functions as a common unmanaged switch and all the ports of the switch can communicate with each other. Extend Mode: If Extend mode is enabled, Port 1-4 will be isolated respectively (10Mbps auto-negotiation).And the delivery distance of powering and network data is up to 250m (10Mbps).