
flows over the network cable together with normal Ethernet data traffic. Gone are the days of pulling power lines when electric power is not within reach and installing power supplies and controllers for powering access control devices. Now you can use existing,nearby Ethernet switches to make powering and connecting even easier and less costly. As an example, Security Door Controls (SDC) offers a series Power over Ethernet (PoE) capable locking hardware that is the same robust, reliable, and quality that professionals have relied on for over 40 years.
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