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Subscriber optical terminals ONT NTU-1 ONT NTU-1C User manual Firmware version 3.28.5 IP address: http://192.168.1.1 User name: user Password: user...
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____________________________________________________________________________________ Document version Firmware version Issue date Content of changes 10.0 3.28.5 21 December 2021 Eleventh issue 3.28.4 06 September 2021 Tenth issue 3.28.3 14 July 2021 Ninth issue 3.28.2.2 13 January 2021 Eighth issue 3.28.1 13 November 2020 Seventh issue 3.28.0 20 August 2020 Sixth issue...
____________________________________________________________________________________ 1 INTRODUCTION GPON network belongs to one of the varieties of passive optical PON networks. This is one of the most modern and effective solutions for "last mile", which allows significant savings on cable infrastructure and provides data transmission speed of up to 2.5 Gbps downlink and 1.25 Gbps uplink. The use of GPON-based solutions in access networks makes it possible to provide end users with new IP services together with traditional ones.
____________________________________________________________________________________ 2 DEVICE DESCRIPTION 2.1 Purpose NTU-1, NTU-1C GPON ONT (Gigabit Ethernet Passive Optical Network) devices are high-performance network terminals designed for connection with upstream GPON equipment and providing end user with broadcast access services. GPON connection is established through the PON interface, while Ethernet interface is used for connection of network devices.
____________________________________________________________________________________ Transmitter: 1310 nm Upstream connection speed 1244 Mbps Transmitter power from +0.5 to +5 dBm Optical spectrum width (RMS) 1 nm Receiver 1490 nm Downstream connection speed 2488 Mbps Receiver sensitivity -28 dBm Receiver Optical Overload -4 dBm Control Local control Web interface Remote control...
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____________________________________________________________________________________ Table 3 – Description of connectors and control elements located on the rear panel Rear Panel Element Description Connector for the power adapter 10/100/1000 RJ-45 10/100/1000BASE-T port for network devices connection SC port (socket) for connection to PON network Fig.
____________________________________________________________________________________ 2.4.2 NTU-1C NTU-1C series devices are designed as a 160 124 mm desktop device in a plastic housing. × × Fig. 4 shows NTU-1C rear panel. Figure 4 – NTU-1C rear panel Connectors and control elements located on the rear panel of NTU-1C are listed in Table 5. Table 5 –...
____________________________________________________________________________________ 2.5 Light Indication The indicators located on the top panel show the device current status. Tables 7, 8 list possible statuses of the LEDs. Table 7 – Light Indication of NTU-1 Status LED Status Device Status Power Device is disconnected from the power source or faulty Device is loading or has default configuration orange Getting configuration by OMCI is in progress...
____________________________________________________________________________________ 2.6 Reboot and Reset to Factory Settings To reboot NTU-1, press the Reset button once on the device side panel. To reset NTU-1 to factory settings, press the Reset button and hold it for 7-10 seconds. To reboot NTU-1C, press the F button once on the device rare panel. To reset NTU-1C to factory settings, press the F button and hold it for 7-10 seconds.
____________________________________________________________________________________ 3 NTU CONFIGURATION THROUGH WEB INTERFACE. USER ACCESS Device configuration requires accessing the device through a web browser, such as Firefox or Google Chrome. Enter the device IP address in the browser address bar to do this (enter IP – 192.168.1.1 and subnet mask –...
____________________________________________________________________________________ System: – Device Name; Uptime – operation time from the last device reboot; – Firmware Version; – – CPU Usage – utilization of CPU in percent; – Memory Usage – utilization of memory in percent. LAN Configuration: – IP Address – device address in local network; –...
____________________________________________________________________________________ 3.2 The ‘LAN’ menu. LAN Interface Settings Use this tab to configure basic LAN interface settings (for example, IP-addresses, subnet mask and other parameters). – Interface Name; – IP Address – device address in local network; – Subnet mask; –...
____________________________________________________________________________________ 3.3.2 The ‘Commit and Reboot’ submenu. Commit changes and rebooting the device The tab is used to commit changes to system memory and reboot your system. To commit changes and reboot the device, click Commit and Reboot button. The rebooting process takes few minutes to complete.
____________________________________________________________________________________ 3.4 The ‘Statistics’ menu 3.4.1 The ‘Interface’ submenu. Network Interface statistics This page shows the packet statistics for transmission and reception regarding to network interface. – Interface – network interface name; – Rx pkt – received packets; – Rx err – received packets with errors; –...
____________________________________________________________________________________ APPENDIX A – POSSIBLE PROBLEMS AND OPTIONS FOR THEIR SOLUTION Problem Possible Cause Solution Entering router's IP The PC does not belong to In the parameters of Internet connection on your address (e.g. 192.168.1.1) the IP subnetwork for PC, set the address of the subnet 192.168.1.0/24. could not access to the connection to the web web interface.
For technical assistance in issues related to handling Eltex Ltd. equipment, please, address to Service Center of the company: https://eltex-co.com/support/ You are welcome to visit Eltex official website to get the relevant technical documentation and software: Official website: https://eltex-co.com/ Download center: https://eltex-co.com/support/downloads/...
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