FTTH cables are ideal for indoor cabling, end users directly cabling, and access network. Fibers count is 1-12 cores, can be other fiber cores upon request. Butterfly Flat Indoor Drop Cable is widely used in fiber to the home (FTTH) network system, which can directly connect the communication line. What are FTTH Butterfly Optic Cables? As the name suggests, FTTH butterfly optic cables are so - named due to their cross - sectional shape, which resembles the wings of a butterfly. These cables are a type of fiber optic cable specifically designed for use in FTTH networks, where they play a. Butterfly-shaped optical fiber cables are a popular type of fiber optic cable that is commonly used for data transmission in telecommunication networks. Of course, this is a general situation, and specific words may consider according to the following criteria. Number of wiring points and switches.