Tone Locators and Toner Probes
Even in the best of networks, labels fall off ports and outlets, mystery cables disappear behind walls, and new cable runs are added without documentation. To help you figure out which end belongs to a cable when you are working with a stack of cables, you can use tone locators. A toner is a generic term for two separate devices that are used together: a tone generator and a tone probe. These two devices are often referred to as Fox and Hound, the brand name of a popular toner made by Triplett Corporation. The tone generator connects to a cable with alligator clips, tiny hooks, or a network jack, and it sends an electrical signal along the wire at a certain frequency. A tone probe emits a sound if it comes close ...

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