{"id":226178,"date":"2024-09-06T13:02:49","date_gmt":"2024-09-06T20:02:49","guid":{"rendered":"https:\/\/zpesystems.com\/?p=226178"},"modified":"2024-09-09T08:09:47","modified_gmt":"2024-09-09T15:09:47","slug":"what-is-passive-optical-networking","status":"publish","type":"post","link":"https:\/\/zpesystems.com\/what-is-passive-optical-networking\/","title":{"rendered":"What is Passive Optical Networking?"},"content":{"rendered":"

[et_pb_section fb_built=”1″ admin_label=”section” _builder_version=”4.16″ da_disable_devices=”off|off|off” global_colors_info=”{}” da_is_popup=”off” da_exit_intent=”off” da_has_close=”on” da_alt_close=”off” da_dark_close=”off” da_not_modal=”on” da_is_singular=”off” da_with_loader=”off” da_has_shadow=”on”][et_pb_row _builder_version=”4.17.4″ _module_preset=”default” width=”100%” custom_margin=”0px||||false|false” custom_padding=”0px||||false|false” locked=”off” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.17.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9mZWF0dXJlZF9pbWFnZSIsInNldHRpbmdzIjp7fX0=@” alt=”What is Passive Optical Networking?” title_text=”What is Passive Optical Networking?” admin_label=”Image” _builder_version=”4.27.0″ _dynamic_attributes=”src” _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text admin_label=”text” _builder_version=”4.27.0″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

What is Passive Optical Networking (PON)?<\/strong><\/h2>\n

Passive optical networking (PON) is a high-speed broadband technology that enables the delivery of multiple services over a single fiber optic cable. XGS-PON \u2013 10G Symmetrical PON \u2013\u00a0 offers speeds of up to 10 Gbps downstream and 10 Gbps upstream (hence the term \u2018symmetrical\u2019), making it ideal for applications such as video streaming, online gaming, and cloud computing.<\/span><\/p>\n

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What Problems Does PON Solve for Out-of-Band Management?<\/span><\/h3>\n

PON addresses the issue of efficiency in terms of both uplink costs and bandwidth usage. Traditional POTS lines and dedicated circuits rely on legacy infrastructure that requires regular maintenance. This infrastructure must scale as more out-of-band devices are added to the network, which increases costs and energy consumption. On top of this, using a 10G uplink for a serial console\u2019s 10K traffic is like throwing away 99% of that high bandwidth. Per Gartner\u2019s Market Guide for Optical Transport Systems report (Published 20 November 2023) the best way to \u201clower cost and energy per transported bit\u201d is by using technologies such as passive optical networking.<\/span><\/p>\n

Because PON uses passive optical splitters that have no moving parts or powered components between the central hub and end users, PON is much more efficient for deploying serial consoles close to target assets. These out-of-band devices can be deployed in large quantities and close to the network edge, with up to 256 devices sharing one uplink. This reduces cabling and power requirements, and is ideal for MSP and <\/span>campus <\/span><\/a>operators, where there are many out-of-band devices distributed over long distances.\u00a0<\/span><\/p>\n

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More About PON: GPON and XGS-PON Technologies<\/span><\/h3>\n

Passive Optical Networking (PON) leverages time-division multiplexing (TDM) and different wavelengths of light to transmit and receive data on a single fiber strand. This allows efficient communication among up to 256 devices over a single fiber. Initially developed for fiber-to-the-home (FTTH) deployments, PON technology has evolved to facilitate the addition of network nodes with minimal infrastructure changes. <\/span>GPON<\/b> (gigabit-capable PON)<\/span> and <\/span>XGS-PON<\/b> use different frequencies for upstream and downstream data transmission. The upstream headend, known as the Optical Line Terminal (OLT), manages and coordinates the time slots allocated to downstream Optical Network Units (ONUs) for data transmission.<\/span><\/p>\n

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GPON and XGS-PON Support on ZPE Systems’ Nodegrid SR Gateway<\/span><\/h3>\n

ZPE Systems\u2019 Nodegrid SR appliances, which are used as out-of-band access nodes or complete branch gateways, now support GPON and XGS-PON technology (patent pending) via SFP and SFP+ ports. The Nodegrid SR family is offered in multiple form factors to be right-sized for deployments in branch offices, factories, smart buildings, and industrial environments (such as for SCADA).<\/span><\/p>\n

Having support for GPON and XGS-PON means network engineers now have a flexible choice of high-speed uplink technologies. This versatility makes the Nodegrid SR gateway suitable for edge deployments, where it can establish an <\/span>OOBI-WAN\u2122 <\/b>(out-of-band infrastructure WAN) link, and for data centers, where it enhances uplink efficiency. Given the low bandwidth requirements of serial console and out-of-band communications, PON technology is well-suited for these applications. A single fiber strand can be shared among hundreds of out-of-band and serial console devices using passive optical splitters. Organizations can deploy out-of-band devices close to the racks and edges of the network in a cost- and energy-efficient manner. Additionally, ZPE devices support <\/span>ONU SFPs<\/b> compatible with third-party OLT headends, ensuring broad interoperability and integration.<\/span><\/p>\n

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Benefits of Using XGS-PON with ZPE Systems’ Nodegrid SR Gateway<\/span><\/h3>\n

The benefits of using XGS-PON with ZPE Systems\u2019 Nodegrid SR gateway include:<\/span><\/p>\n