Patent ID: 7567564
Filing Date: 2009-07-28
Classification: H04J,H04Q

Abstract:
1. An Optical Line Terminal (OLT) in an optical access network connecting a plurality of subscriber terminals to a network, comprising: a multiplex control unit for providing a communication path to be used commonly for transmitting data signals for said plurality of subscriber terminals to communicate with said network; a plurality of optical network interface units, each accommodates said plurality of subscriber terminals and provides either a first path connected to said network for transmitting said data signals individually or a second path connected to said multiplex control unit for transmitting said data signals to said network commonly with data signals from other subscriber terminals accommodated in other optical network interface unit; and a path selection control section, which determines for every optical network interface unit to select either said first path or said second path on the basis of path class information in a path management table in which respective path class information for every optical network interface unit have been predetermined and set.