These converters change Ethernet twisted pair copper wires into fiber optic signals.

转换器可以转换双绞铜线为光纤维信号。

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According to the principle of power over Ethernet, the method of RS-485 bus power is applied to implement the transmission of 48 VDC and data signals via the same twisted-pair electric cable.

基于以太网供电原理，采用RS - 485总线供电方式，实现48 V直流能量与数据沿同一线对的叠加传输。

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There's a pair of USB 3.0 inputs, an HDMI port, optical audio and Ethernet connections on the rear, and buttons for power and settings on the front, but you can easily hide the console deep inside your home theater rig -- it can be controlled exclusively with a Android 4.2-equipped smartphone or tablet.

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There's no shortage of ports however, with the left side playing host to an Ethernet connector, VGA and HDMI outputs, headphone and mic jacks, as well as a pair of USB 3.0 ports.

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Down the left-hand side, we've got Ethernet, VGA, HDMI 1.4a ports, 3.5mm headphone and microphone jacks and a pair of USB 3.0 slots as well as a 2.8-inch vent where all the heat that it generated is pumped out.

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