Fiber access can ensure that users with 10Mbps, 100Mbps, 1000Mbps high bandwidth, can be remitted directly connected to the backbone nodes. Mainly applicable to business groups of users and intelligent LAN area, high-speed access to high speed Internet. Available in three specific access to the user.

Fiber access refers to the complete optical fiber as a transmission medium between the central office and the users. Fiber access can be divided into active and passive optical access. Main fiber optic network is lightwave transmission technology. Development of optical transmission multiplexing quite rapidly, most have been in practical use.