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NTU Optical Network Terminals 5
1 INTRODUCTION
A GPON is a network of passive optical networks (PON) type. It is one of the most effective state-of-the-art
solutions for the 'last mile' issue that significantly reduces the required amount of cable and provides data
transfer with downlink rate up to 2.5Gbps and uplink rate up to 1.25Gbps. Being used in access networks, GPON-
based solutions allow end users to have access to new services based on IP protocol in addition to more
common ones.
The key GPON advantage is the use of one optical line terminal (OLT) for multiple optical network terminals
(ONT). OLT converts Gigabit Ethernet and GPON interfaces and is used to connect a PON network with data
communication networks of a higher level. ONT is designed to connect terminal equipment of user to
broadband access services. ONT can be used in residential estates and offices.
The range of ONT NTU equipment produced by ELTEX comprises of the following terminals:
NTU-RG-1421G-Wac, NTU-RG-1431G-Wac and NTU-RG-1421GС-Wac, which are designed to support
four UNIs: 10/100/1000Base-T, FXS, Wi-Fi, USB, and CaTV
1
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This operation manual describes intended use, key specifications, configuration, monitoring, and firmware
update for NTU-RG optical terminal series.
1
Only for NTU-RG-1421GС-Wac
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