The SNR-ONT-1G is comprised of one GPON uplink and Gigabit Ethernet downlink supporting 10/100/1000Base-T (RJ45). It helps service providers to extend their core optical network all the way to their subscribers, eliminating bandwidth bottlenecks in the last mile. GPON technology supports upstream 1. Offering high performance, flexibility and reliability, the SDX 630 Series is built for a wide range of deployment scenarios. Our. Safety Guidelines The Nokia Optical Network Terminal (ONT) G-010G-A is designed to ALWAYS READ THE PRODUCT GUIDE BEFORE SET UP OR USE OF THE deliver gigabit speeds in an Optical LAN environment.