This paper first gives a brief introduction to the network management system of GPON and then analyzes the functions of ONT Control/Management(C/M) module according to the protocol stack for C/M planes.On this basis
it designs the overall structure of ONT C/M module
which consists of four functional modules: basic ONT C/M module
senior C/M implemented by OMCI
local Ethernet network management interface module and panel control.Finally