Here is the most important information: 864F means the cable contains 864 fibersSM means singlemode fiber250 means the fiber has a 250 micron buffer coating0., 48, 96, or 144 fibers), the industry uses a “Tube and Fiber” system. The 12-color sequence is applied twice: first to the outer Buffer Tube, and then to the individual Fiber inside it. Example: What. The text on the cable starts with the Corning product name "Corning Rocket Ribbon (TM) Optical Cable," date of manufacture "01/2022" and a serial number. The phone handset graphic denotes this as a telecom cable. Tubes with binder threads: A blue and orange thread binder is used to separate two groups of fibers. The blue unit has the first 12 fibers and. There are different types of fiber optic cables because each type is optimized for specific applications that have unique requirements for bandwidth, transmission distance, and environmental factors.