A fiber optic termination box is an enclosure designed to terminate incoming optical fiber cables and distribute optical signals to drop cables or patch cords. It integrates fiber splicing, adapter management, and cable protection in one compact unit. A typical PON topology (GPON, XGS-PON, or 25G PON) flows OLT → fiber distribution hub → passive splitters → distribution/drop fibers → premises. It is widely deployed in FTTH, FTTB, and other access networks to ensure stable signal transmission from backbone cables to end. They are composed of fixed cable components, splitter modules, fusion splicing modules, storage areas and more. It serves as a termination point for optical fibers, providing a secure and organized space for connecting and managing fiber optic cables. FTBs play a vital role in ensuring the.