Ftth suspension hook also called fiber optic cable clamp hook, is designed to tension or suspension drop cable wire clamps or FTTH anchor clamps with suitable fiber optical cable in outdoor or indoor overhead FTTH network constructions. Anchor and suspension brackets and hooks materials: The brackets, hooks and other accessories are all passed lab test, so they can service in bad. Ftth suspension hook also called fiber optic cable clamp hook. Bracket type: Tension Application: Pole/Wall Span: 30-70. Optical Distribution Network (ODN) is composed of OLT and user equipment interconnected by optical fibers, splitters, and connectors, with downstream signal streams coming to the user interfaces and upstream signal streams for OLT processing purposes.