Features: •8-Port 10/100/1000Mbps Gigabit Ethernet ports• 4-Port supports 48V DC power to PoE Powered Device• Complies with IEEE 802.3af Power over Ethernet End-Span PSE• Up to 4 IEEE 802.3af devices powered• Supports PoE Power up to 15.4 watts for each PoE port• Auto detect powered device (PD)• Circuit protection prevents power interference between ports• Remote power feeding up to 100m• Hardware based 10/100/1000Mbps Auto-negotiation and Auto MDI/MDI-X• Flow control for full duplex operation and back pressure for half duplex operation • Integrates address look-up engine, supporting 8K absolute MAC addresses• 9K Jumbo Frame supports at all speed (10/100/1000Mbps)• Automatic address learning and address aging • 10-inch desktop size, rack mountable; 1U height• LED indicators for PoE ready and PoE activity• Optional Rack Ear Accessories Kit for 10-inch cabinet (RKE-10A) and 19-inch cabinet (RKE-10B)• 1 silent fan to provide stable and efficient power performance• Energy-Saving technology• Link down power saving• Intelligent scales power based on cable lengthTechnical Specifications: • tīkla Connector: 8-Port RJ-45 for 10/100/1000Base-T• PoE Inject Port: 4-Port with 802.3af PoE injector function, Port-1 to Port-4• LED Display1 Power , 1 Fan Alert• 1-4 port PoE in-use• 1-8 port Speed, LNK/ACT• Switch Architecture: Store and Forward switch architecture• MAC Address: 8K MAC address table with auto learning function• Switch Fabric: 16Gbps• Switch Throughput: 11.9Mpps• Jumbo Packet Size: 9K Bytes• Power Requirements: AC 100~240V, 50/60Hz, 1.5A• Power Consumption: Max. 65 watts / 221 BTU• Dimensions (W x D x H)217 x 135 x 43 mm• Weight: 890g• PoE Standard: IEEE 802.3af Power over Ethernet / PSE• PoE Power Supply TypeEnd-Span• PoE Power Output: Per Port 48V DC, 350mA . Max. 15.4 watts• Power Pin Assignment: 1/2(+), 3/6(-)• PoE Power Budget: 55 watts• EMI Safety: FCC Class A, CE• Operating Temperature: 0 ~ 50 degrees C• Storage Temperature: -40 ~ 70 degrees C• Operating Humidity: 5 ~ 95%, relative humidity, non-condensing• Storage Humidity: 5 ~ 95%, relative humidity, non-condensing• Standard Compliance: IEEE 802.3: Ethernet• IEEE 802.3u: Fast Ethernet• IEEE 802.3ab: Gigabit Ethernet• IEEE 802.3x: Flow Control • IEEE 802.3af: Power over Ethernet