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A Network Interface Device (NID) fiber optic box is the demarcation point, typically a secure, weather-protected enclosure mounted outside a building, where an Internet Service Provider's (ISP) external fiber optic cable terminates and connects to the customer's internal wiring or equipment; it houses critical components including the fiber termination point, optical splices or connectors, and often the Optical Network Terminal (ONT) or Optical Network Unit (ONU) which converts the optical signal into electrical signals for the customer's devices, clearly separating the ISP's network responsibility from the customer's and providing test access for troubleshooting.
Our NID Fiber Enclosure offer internal fiber management and ??are?? suitable for both direct termination and fusion/mechanical splicing.
link:https://www.gloryoptic.com/fiber-optic-termination-box/outdoor-fiber-terminal-boxes/nid-enclosure.html
GL-NID01 Fiber Optic NID Enclosure