Fiber optic cable, as of 2011, is the fastest type of cabling on the market; it uses light to transmit data. The mirroring of the inside of the fiber optic cable allows the light to bounce for miles without loss. CAT 5 Ethernet cable on the other hand is a big telephone cable essentially and relies on electrical current to carry the data. Fiber optic cables are used by some networks for the server to building connection, while Ethernet cable is used for the wiring within the building. To convert these two type of cable you need a fiber optic modem. Writer Bio
