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Network Termination Device (NBN)
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<h2 id="network-technologies">Network technologies</h2> <p class="note">See also: <a href="/facts/National_Broadband_Network/SazRsD40">National Broadband Network § NBN Technologies</a></p> Comparison of NTDs for different network technologies<table><tbody><tr><th scope="col">Technology</th><th scope="col">Model</th><th scope="col">Upstream protocol</th><th scope="col">UNI-V jacks</th><th scope="col">UNI-D jacks</th><th scope="col">Alternative names</th><th scope="col">Notes</th></tr><tr><td>FTTP</td><td>Alcatel-Lucent</td><td><a href="/facts/GPON/Kv0bIbMA">GPON</a></td><td>2</td><td>4</td><td></td><td></td></tr><tr><td>FTTB/N</td><td>None (end-user modem)</td><td><a href="/facts/Very-high-bit-rate_digital_subscriber_line/HXABSD2c">VDSL2</a></td><td>0</td><td>0</td><td>VDSL2 modem</td><td>The UNI for a FTTB/N service is a copper pair termination in the premises (at the building MDF) carrying a VDSL2 signal. UNI-V or UNI-D style functionality is provided by the CPE modem/router supplied by the customer or end user.</td></tr><tr><td>FTTC</td><td>Casa Systems (previously NetcommWireless) NDD-0300<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a></td><td>VDSL2</td><td>0</td><td>1</td><td>Network connection device (NCD) or FTTC connection device.<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> FTTC was previously known as fibre to the distribution point (FTTdp).</td><td><ul><li>A <i>distribution point unit</i> (DPU), is located near the property boundary inside a Telstra pit on the street and can service up to 4 connections.</li><li>The DPU is an Adtran 504VG powered from the mains-powered NDD-0300 NTDs installed for each NBN connection within the premises served (the NTD provides 60VDC to deliver 48VDC at the DPU, allowing for line resistance).</li></ul></td></tr><tr><td>HFC</td><td>Arris CM8200(B)</td><td><a href="/facts/DOCSIS_3.0/UTcmNEsr">DOCSIS 3.0</a></td><td>0</td><td>2</td><td>Cable modem</td><td>Only one UNI-D port (UNI-D 1) is supported for use.</td></tr><tr><td>Fixed wireless</td><td>Alcatel-Lucent</td><td><a href="/facts/LTE_(telecommunication)/72QhwXHT">LTE</a></td><td>0</td><td>4</td><td>NBN connection box or indoor unit (IDU) or 4G modem</td><td>Where a <a href="/facts/Plain_old_telephone_service/7uEc2wFY">plain old telephone service</a> (POTS) is in place, this can be kept</td></tr><tr><td>Satellite</td><td>ViaSAT Residential Broadband Terminal 1240</td><td></td><td>0</td><td>4</td><td>Indoor unit (IDU)</td><td><ul><li>Where a POTS connection is in place, this can be kept</li><li>Part of the <a href="/facts/Very_small_aperture_terminal/L4HjYjAu">very small aperture terminal</a> (VSAT) system<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a></li></ul></td></tr></tbody></table> <h2 id="gallery">Gallery</h2> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Pre-installing your NBN Connection Box". NBN. 2024. Retrieved 11 February 2023. The nbn connection box (also known as a Network Termination Device or NTD) enables phone and internet providers to connect your property to the nbn access network. <a href="https://www.nbnco.com.au/develop-or-plan-with-the-nbn/new-developments/prepare-for-connection/ntd-pre-installation-request" target="_blank">https://www.nbnco.com.au/develop-or-plan-with-the-nbn/new-developments/prepare-for-connection/ntd-pre-installation-request</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"Residential preparation and installation: Single Dwelling Units (SDUs) and Multi Dwelling Units (MDUs)" (PDF). NBN Co. 12 December 2016. Retrieved 21 August 2019. <a href="https://www.nbnco.com.au/content/dam/nbnco/documents/preparation-and-installation-guide-for-sdus-and-mdus.pdf" target="_blank">https://www.nbnco.com.au/content/dam/nbnco/documents/preparation-and-installation-guide-for-sdus-and-mdus.pdf</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"nbn Fibre to the Curb explained". NBN Co. Retrieved 21 August 2019. <a href="https://www.nbnco.com.au/residential/learn/network-technology/fibre-to-the-curb-explained-fttc" target="_blank">https://www.nbnco.com.au/residential/learn/network-technology/fibre-to-the-curb-explained-fttc</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Corinne Reichert, (4 December 2017), NetComm Wireless unveils FttC network connection device, ZDNet <a href="https://www.zdnet.com/article/netcomm-wireless-unveils-fttc-network-connection-device/" target="_blank">https://www.zdnet.com/article/netcomm-wireless-unveils-fttc-network-connection-device/</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>""FTTC Connection Device" = fancy way of saying "Standalone VDSL2 modem"?". TPG Community. September 2018. Retrieved 21 August 2019. <a href="https://community.tpg.com.au/t5/NBN-Installation/quot-FTTC-Connection-Device-quot-fancy-way-of-saying-quot/td-p/17985" target="_blank">https://community.tpg.com.au/t5/NBN-Installation/quot-FTTC-Connection-Device-quot-fancy-way-of-saying-quot/td-p/17985</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"Network Design Rules" (PDF). NBN Co. 29 June 2018. p. 49. Archived from the original (PDF) on 22 July 2019. Retrieved 21 August 2019. <a href="https://web.archive.org/web/20190722190900/https://www.nbnco.com.au/content/dam/nbnco2/documents/network-design-rules.pdf" target="_blank">https://web.archive.org/web/20190722190900/https://www.nbnco.com.au/content/dam/nbnco2/documents/network-design-rules.pdf</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> </ol>