Fiber Insert – Insert and turn technical, making sure that only epoxy overflow. Crimping – Collapsing or crimping the wires with a suitable tool. Fiber Scribe & Break – Manually snap with the help of scribe pen [talking about excess. Fiber optic adapters, also known as couplers, play a crucial role in fiber optic networks by providing a connection point between two fiber optic connectors. In this tutorial. There are many types of fiber optic connectors, including SC, LC, FC, ST, D4, MU, MT/MPO, etc. Polishing –. For optimal connectivity performance, invest in a Fiber Optic Inspection and Cleaning Kit for your installation team. The cable should be bent as little as possible.