The access fiber cable can have multi cores, for example, a 4-core cable (cable has four cores), through terminal box, you can splice this optical cable to a maximum of four pigtails, that leads out of 4 fiber patch cables. The inserted optical cable can have multiple cores. Fiber Adapter It is commonly known as a flange for the active. Without pigtails, every termination in an ODF, terminal box, or splice closure would require field-installed connectors—an approach that is both time-consuming and less reliable. The number of fibers that can be accommodated depends on the size and capacity of each core within the cable. For example, the total number of cores in an MTP®-8 trunk cable equals 4 (number of branches) x 8 (MTP-8.