Along with the rapidly increasing number of Internet users

we have seen a continuously growing need for access network bandwidth.GEPON（Gigabit Ethernet Passive Optical Network） technology has become an "upstart" for access networks.It is an integrated access solution incorporating high-rate data

video and voice services.Making use of FTTH/FTTB/FTTC（Fiber to the Home/Building/Curb）

it can provide the residential and business subscribers with the highest bandwidth of up to 1 Gbit/s.Characteristic of economical cost of construction

convenient access

easy maintenance and simple network architecture

it has received support and approval from more and more telecom operators and manufacturers.This paper describes the solution of district GEPON by Shenzhen Netcom.