AUTOMATIC POWER CONTROL METHOD FOR OLT IN PON, AND STORAGE MEDIA

摘要

An automatic power control method for OLT(Optical Line Terminal) in PON(Point-To-Multipoint), and a storage media for performing the same are provided to operate an optical transmitter by selecting an optimal output level according to ODN(Optical Network Unit) structure of an associated PON(Passive Optical Network) and turns off the laser of the optical transmitter when all ONUs are non-operation state, thereby reducing unnecessary power consumption and manufacturing cost. An automatic optical output control method for OLT(Optical Line Terminal) in PON(Point-To-Multipoint) comprises the following steps of: measuring possible permission optical output ranges which can be normally performed on PON(101); selecting an optimal light signal level in the measured possible permission optical output ranges(103); and adjusting an output level of a transmitter by a pre-selected optimal light signal(104). The measuring step includes an ONU(Optical Network Unit) activating step, a step for confirming the number of activated ONU, and a power saving mode performing step.