It has also enhanced the ability to adjust brightness and change colors in real time, opening many new possibilities and applications.ĭifferent semiconductor materials with different bandgaps produce different colors of light. White light has been traditionally the only option, but the use of gallium nitride (GaN)-based LEDs has significantly expanded the palette of colors available. The wavelength of the light produced-and hence the color-depends on the type of semiconductors used. Personalized environments can attract tenants and increase revenue per square foot.Ī light-emitting diode (LED) is a semiconductor device that emits light when an electric current is passed through it in a process called electroluminescence. Use pervasive 90W Cisco Universal Power Over Ethernet (UPOE+) to power, monitor, and control LED lighting, IoT devices, and centralized and automated environmental controls.Require less energy, run cooler, and be a smaller form factor since no AC/DC transforming or transformer is required.This saves money and reduces carbon footprint. Enable the optimization and quantification of energy consumption by using the building's network as a sensor and interconnecting shades.Allow for greater flexibility in design and placement.Lower capital expenditures, labor, and materials costs related to construction and maintenance.There is also a dramatic reduction in carbon footprint, since no conduit or high-voltage copper wiring need to be installed. Reduce up-front construction costs and time to completion when used for cabling, installation, and configuration.But using PoE to power and connect lighting has several significant advantages. Using low-voltage LED lighting alone can offer a dramatic reduction in energy required per lumen compared to incandescent and halogen equivalents. Using PoE to power low-voltage DC-powered LED lighting has many benefits over both traditional lighting options (incandescent, fluorescent and CFL, and halogen) and newer AC-powered LED options. It is crucial to enabling smart buildings and their ecosystems of network-connected devices such as lighting, window shades, sensors, HVAC controllers, cameras, and security systems. PoE is a low-cost, reliable, and flexible approach to powering smart devices in a network. This eliminates the need for a separate AC power source and allows for more flexible placement options, without concern for proximity to a power outlet. PoE refers to the ability to provide low-voltage (less than 100W), direct current (DC) electrical power to network devices via the same twisted-pair copper Ethernet cables that are used to transmit data.
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