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PoE Standards: A Guide to Powering Your Network Devices
Abstract: We summarize in our article about Power over Ethernet and the job of Power over Ethernet (PoE). PoE is a growing industry standard for powering devices that require both a data connection and power using the standard Ethernet cabling. The IEEE 802.3at and 802.3bt specifications permit the layering of up to 90 watts of electricity per network link onto already-installed or future Ethernet cable networks in a secure and reliable …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 10, Issue 3, 2022 · pp. 28–34 Read article
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Effect of Thickness in Electroluminescence Spectra on 2-5 Dialoxy-PPV (ROPPV) Films
Abstract: The optical properties and electroluminescence (EL) of ROPPV (2-5-dialoxy-PPV) films of various thicknesses have been studied. The thickness of ROPPV layer on glass slide was measured by Fizeau fringes interferometric technique which varied from 200 to 400 nm. The absorption spectra show that the absorption occurred only in ultraviolet region. Thick films show only one peak at 310 nm, whereas by decreasing the thickness, the peaks are obtained at lower …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 2, Issue 1, 2015 · pp. 4–9 Read article