| 摘要 |
A sensor fixture can be affixed within a wall and powered using the same cable along which data signals are transmitted. A data cable is attached to the fixture, and power for a sensor is isolated from the data signals. The sensor may be used in conjunction with a building automation system in order to provide environmental inputs, such as from a motion sensor, a light sensor, and an audio sensor. The sensor may also be combined with LED lights for a combined fixture that lights when sensing motion or other environmental changes, for example.
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