One enhancement, the new Commander PoE, is a full-featured IP communications hub and network switch that provides power over Ethernet to high-speed domes, heaters, and blowers.

一经改进，新的以太网供电设备是一个全功能的IP通信枢纽和网络交换机，可通过以太网为高速球型摄像机，电暖炉，和鼓风机供电。

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They use Power over Ethernet (PoE) using the standard IEEE 802.3af and obtain configuration information and operating software from a Trivial FTP (TFTP) server.

他们使用以太网供电(PoE)标准IEEE 802.3 af标准的使用和获取配置信息和操作，从一个平凡的FTP (TFTP)服务器软件的能力。

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Power-over-Ethernet (PoE) works because when data is sent down network cables it is represented by voltages.

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