The high speedsuch as CATV Internet and xDSL and FTTH etc.in order to offer Internet regular connection service, the access server who is installed inside the communicating station building. CMTSandDSLAM it is connected, does to the superior circuit.Withrooter function, connection to Internet serviceproviderand the superior circuit which you certifiedand cooperated andof connection request from the user, control and zone management of the priority are done.