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Tenda TEF1126P-24-250W Rackmount Switch TEF1126P-24-250W is an unmanaged Network PoE switch independently designed by Tenda. Compliant with IEEE802.3af and IEEE 802.3at standards, it can identify PoE-powered devices intelligently. With a maximum PoE power output of 230 W and 30 W for a single port, it can supply power when transmitting data with APs, IP cameras, and IP phones. The Tenda Network Switch supports 4 working modes, including standard, priority, extend, and VLAN modes, an ideal choice for SMBs, hotels, schools, and factories with video surveillance and wireless networking requirements. GE and SFP Uplink Ports Flexible Networking With Less Breakdown It provides 24*FE+2*GE/1SFP. The 1-24 ports support AF/AT standard PoE power supply mode, which can intelligently identify the power receiving equipment. The Gigabit uplink port can be used for short-distance networking. With one 1000 Mbps combo SFP slot, the Tenda Network Switch can meet the current demand for uplink bandwidth of Gigabit WLAN and HD digital surveillance. Working with Tenda optical fibre module TEG311SM, the switch supports a maximum transmission distance of up to 20km. 4M Large Buffer Guarantees The Surveillance Transmission Stable And Smooth The product has a 4M buffer, which is twice larger than the similars. The maximum output of a single port is 30W, and the whole device is 250W. When used alone, it can provide data transmission and power for 24 PoE IP cameras, APs, etc. Extraordinary quality, favoured by engineering. 6KV Excellent Lightning Protection The switch offers various safety and protection types, including 6 KV lighting protection, PSE short-circuits protection, PoE overload protection, surge current protection etc, and these greatly protect the switch from being damaged by an inductive thunderstorm. Besides, it supports wide voltage input, AC：100-240V~50/60Hz. 230W High Power Output, Diversified Applications Providing 24 100M PoE ports in accordance with the IEEE802.3AF / AT standard, the maximum PoE output of the whole machine is 230W, and of a single port is 30W. Not afraid of burst traffic, avoid power failure b'&' restart, and it can provide stable power supply and data transmission for HD PoE IP cameras, APs, etc. 4 Modes For More Scenarios, One-key To Change Smart And Easy Standard mode, Port-based Priority mode, Port-based VLAN mode and Extend mode make TEF1126P-24-250W be able to deal with different networks, special for small b'&' Medium-sized IP Surveillance b'&' WI-FI coverage project. Up To 250 Meters Long Distance Transmission Under The Extend Mode, Beyond Hundred Meters Transfer Limitation Due to the complex monitoring environment, the distance from each terminal to the monitoring centre is different, some even more than a hundred meters. TEF1126P series can support 250 meters of data transmission in the Extend mode, which can save the cost of your project with fewer devices used. Specifications Standard b'&' Protocol IEEE802.3, IEEE802.3u, IEEE802.3ab, IEEE802.3z, IEEE802.3x, IEEE802.3af/at LED 24 * Link/Act LEDs 1 * G1 LED 1 * G2/SFP2 LED 1 * PoE-MAX LED 1 * Power LED Interface 24 * 10/100 Mbps Base-TX RJ45 ports (Data/Power) 1 * 10/100/1000 Mbps Base-T RJ45 ports (Data) 1 * 1000 Mbps Base-X SFP port (Combo) Forwarding Rate 6.55 Mpps Switching Capacity 8.8 Gbps MAC Address Table 16K Lightning Protection ≥6KV Input Voltage AC: 100-240V~50/60Hz PoE Supply Ports 1-24 support standard IEEE802.3af/at 30W output per PoE port 230W output of the total PoE Power Power Consumption 50W output the whole device Dimension 440*178.8*44mm Four Modes Standard: Default mode of the switch. In this mode, it works as an unmanaged switch all ports can communicate with each other separately. Priority: In this mode, port G1 and G2/SFP2 serve as uplink ports, ports 1 – 8 serve as high priority ports. All ports can communicate with each other separately. Extend: In this mode, the data rate of ports 17 – 24 reduces to 10 Mbps, the maximum transmission distance can be 250 meters, and all ports can communicate with each other. VLAN: In this mode, ports 1 – 24 of the switch can communicate with port G1, G2/SFP2 separately, but cannot communicate with each other. You can enable this mode to reduce broadcast storms and isolate DHCP broadcasts. Environment Operating Temperature: 0℃~45℃ (32℉~113℉) Storage Temperature: -40℃~70℃ (-40℉~158℉) Operating Humidity: 10%~90% non-condensing Storage Humidity: 5%~90% non-condensing Certification CCC、FCC、CE、RoHS

Diodes has introduced support flyback and buck / boost topology AL1663 and AL1663R single-stage dimmable LED controller, without optocoupler and secondary control circuitry through the primary side regulation precise constant current output. These controllers operating power up to 150W, and with a variety of dimming options for LED backlighting, smart lighting and general LED dimmable LED lamps provide a cost-effective universal drive products. Having a valley switching (valley-switching) control of critical conduction mode (BCM) operation brings high efficiency and low EMI, and further ensure AL1663 AL1663R able to maintain a high power factor and low total harmonic distortion at universal input voltage conditions. The use of primary side regulation to simplify design and reduce overall BOM component count and cost. AL1663 and AL1663R also has a low startup current and low operating current characteristics, and integrates several protection features including over-voltage, short circuit, overcurrent and overtemperature protection. Both devices support both analog and digital dimming mode: AL1663R with a single dimming pin, accepts 0.3V to 2.4V DC analog signal, or when connected to a suitable input capacitance of several hundred nF accepts digital PWM input; AL1663 with additional digital dimming input pins can accept high frequency PWM signal and provides built-in PWM to DC converter. Finding electronic components, www.digicomponents.com is a specialized web for obsolete and hard to find electronic components,most of components types found at our web, such as: 74lvc2g14 and ucb1400be, visit our website for more components which your need to buy.