The Simulating System of Burst Mode Signal HUANG Qiu-yuan,ZHOU Peng,QI Cun-rong,LIU Wei-xia (School of Information Engineering,WUT,Wuhan 430070,China)For the purpose of burst mode transceiver test, we developed a APON signal simulating system with a two upstream link burst mode signal generator. This simulating system have the ability to verisimilarly realize the characteristics of burst mode signal,to ensure the development of burst mode transceiver and its test.burst mode signal; APON; data packet generator; TDMA; flame signal