It provides an asymmetric 1.244Gbps upstream / 2.488Gbps downstream GPON uplink to the CPE without requiring separate power supply. And, it supports a sophisticated ONT management system, including alarms, provisioning, DHCP and IGMP functions for a stand-alone IPTV solution at the ONT.GPON Stick series include digital diagnostic monitoring function fully compliant with SFF-8472.