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| * [[pin|PIN (Personal Identification Number)]]: A serial number given to an individual for their identification. \\ | * [[pin|PIN (Personal Identification Number)]]: A serial number given to an individual for their identification. \\ | ||
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| + | * [[poe|PoE(Power over Ethernet)]]: A system that powers the device through an Ethernet cable. Because this system only requires a single cable to transfer data and supply power to the device, it is easy to install and scale, and can also reduce wiring costs. \\ | ||
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| * [[port_number|Port number]]: The port number used for intercommunication in TCP/UDP. Its range is from 0 to 65535. \\ | * [[port_number|Port number]]: The port number used for intercommunication in TCP/UDP. Its range is from 0 to 65535. \\ | ||