| 摘要 |
A system and method for locating a specific component of a facility by using differential signaling. The system works in a facility such as a central office having many components, such as line cards The central office includes several wireless transmitters for transmitting signals inside the office. Attached to ea ch line card is a positioning device, which has a receiver for receiving the transm itted signal, a controller for converting the transmitted signals into location information, and a sender for transmitting the location information. The central office also includes a computer with a device for receiving the transmitted loca tion information. As a result, the computer can provide to a user the location of the component inside the facility.
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