1. It Is Independently Developed And Designed Specifically To Meet Poe Power Supply Needs. It Adopts A Of High-Speed Ethernet Switching Chips And High Backplane Bandwidth (Also Called Switching Bandwidth) Design. It Has Extremely Fast Data Processing Capabilities And Improves Data Transmission Performance. 2. Equipped With Four Poe-Powered Rj45 Downlink Ports And One Rj45 Uplink Port. The Power Supply Power Of A Single Port Can Reach A Value Of 30w, And The Value Of The Whole Machine Is 120w. It Can Automatically Detect And Identify Powered Devices That Comply With Ieee 802.3af/At Standards, And Provide Priority Power Supply Through Network Cables. 3. 4 Pcs 10/100/1000mbps Rj45 Poe Ports (Supports Poe+ Power Supply); 1 Pcs 10/100/1000mbps Rj45 Uplink Port 4. The Poe Power Supply Power Of The Whole Machine Reaches 120w Value, And The Single-Port Poe Power Supply Power Reaches 30w Value. 5. The Poe Power Supply Port Supports A Priority Mechanism, Automatically Detects And Identifies And Gives Priority To Power Supply Through Cable Without Damaging Non-Poe Devices. 1. Network standards:IEEE 802.3, IEEE 802.3u, IEEE 802.3x 2. Ports:4 10/100/1000Mbps RJ45 PoE ports; 1 10/100/1000Mbps RJ45 uplink port 3. PoE power supply:4 10/100/1000Mbps RJ45 ports support PoE+ power supply; the power supply power of the whole machine is 120W , and the power supply power of a single port is 30W 4. PoE connection:supports 112+,3/6-line pairs and 4/5+,7/8-line pair end jumper 5. Performance:store and forward, supports 2K address table depth, 12Gbps backplane bandwidth 6. Forwarding rate:10BASE-T:14880pps/port; 100BASE-tx:148800pps/port; 1000BASE-tx:1488000pps/port 7. Port functions:power supply priority mechanism, fast and forwarding, automatic learning and aging; IEEE802.3x full-duplex flow control and back-pressure half-duplex flow control 8. Working temperature:-20-55 9. Storage temperature:-20-75 10. Built-in base power input:AC/IN 110V-240V 11. Built-in substrate power output:DC 52V+5% 2.3A. less than equal 120W Plug Type:UK plug,it applies to Malaysia, the United Kingdom and so on. Voltage:AC100-240V Note:The picture is a high-definition rendering. Different Batches May Have Differences In Product Appearance,Color,And Printed Characters,Which Will Not Affect The Use. Colour:As Shown Material:Metal Package Contents: 1 * Switch 2 * Fixed Pieces 1 * Power Supply 1Set * Screw Installation Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.