Patent ID: 8600234
Filing Date: 2013-12-03
Classification: H04J,H04Q

Abstract:
1. An optical line terminal (OLT) in an Ethernet passive optical network (EPON), comprising: a plurality of optical transceivers, wherein an optical transceiver from among the plurality of optical transceivers is coupled to a corresponding optical network unit (ONU) group from among a plurality of ONU groups and configured to transmit a first downstream signal to the corresponding ONU group; a first downstream media access control (MAC) interface configured to provide a downstream control signal; an optical transmitter coupled to the corresponding ONU group, the optical transmitter being configured to transmit a second downstream signal to the corresponding ONU group; a second downstream MAC interface configured to control transmission of the second downstream signal; and a splitter configured to split the downstream control signal into a plurality of sub-signals, wherein a sub-signal from among the plurality of sub-signals controls the transmission of the first downstream signal.