Baseband twisted pair is typically used for which application?

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The key idea here is that baseband twisted pair is used for local, building‑level network runs rather than long‑distance or multi‑channel services. It carries a single digital signal over the pair, making it ideal for horizontal cabling from a switch or patch panel to workstations within a building, with a practical distance limit of about 100 meters to maintain signal integrity. That’s why CAT5/CAT6 copper cabling used for Ethernet is described as horizontal distribution cabling in typical design standards.

The other scenarios involve signaling over longer distances or multiplexed channels using different media, such as transporting broadband services from a remote switch to the end user, or using coaxial/fiber for long‑haul backbones and campus backhaul. Baseband twisted pair isn’t intended for those roles, so it’s not the right fit for those applications.