FTTx (Fiber to the x) is a generic term for broadband network architectures that use optical fiber to replace all or part of the copper local loop for "last mile" telecommunications. The "x" represents the fiber's termination point, such as Home (FTTH), Building (FTTB), or Curb (FTTC), offering significantly higher data speeds and reliability than traditional copper networks. FTTH(Fiber to the Home) means fiber runs directly to individual residences or apartments, providing the highest speed and reliability. FTTB(Fiber to the Building) means fiber reaches the building boundary, and the connection to individual apartments is handled by another technology (e.g., LAN). FTTC/N(Fiber to the Curb/Node) means fiber terminates at a street cabinet or pole, with the remaining distance to the user completed via coaxial or copper cabling. FTTR(Fiber to the Room) means fiber is deployed inside the home, extending to each room to provide 10G+ speeds throughout. FTTx networks use optical splitters, fiber cables, and optical network terminals (ONTs). FTTx provides much higher bandwidth (up to 10Gbps+), lower latency, and better reliability compared to copper. It enables high-speed internet, VOD, HD/4K video, smart home applications, and 5G backhaul.
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