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An OLT can have several ports, and each port can drive a single PON network with split ratios or splitting factors of around 1:32 or 1:64, meaning that for each port on the OLT, up to 32 or 64 ONUs at customer sites can be connected although this depends on the PON standard the OLT and the PON
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An upstream frame processing means for extracting data from the wavelength division multiplexing means, searching an overhead field, delineating a slot boundary, and processing a physical layer operations administration and maintenance (PLOAM) cell and a divided slot
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A control means for controlling the downstream frame processing means and the upstream frame processing means by using the variables and the timing signals from the control signal generation means.
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A wavelength division multiplexing means for performing an electro/optical conversion of the serial data of the downstream frame and performing a wavelength division multiplexing thereof.
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network supports. XGS-PON networks support split ratios of up to 1:128. An OLT with 272 ports can support up to 34,816 users assuming a split ratio of 1:128 for every port.
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cell to generate a downstream frame, and converting a parallel data of the downstream frame into a serial data thereof.
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to perform conversion between the electrical signals used by the service provider's equipment and the
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https://carrier.huawei.com/~/media/cnbgv2/download/products/networks/ma5800-en.pdf
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between the conversion devices on the other end of that network (called either
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https://www.itu.int/dms_pub/itu-t/opb/hdb/T-HDB-OUT.10-2009-1-PDF-E.pdf
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A downstream frame processing means for receiving and churning an
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The diagram below depicts an OLT within a fiber-optic network.
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176:signals used by the passive optical network.
263:"10 GBPS Symmetrical with XGS-PON |"
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140:OLT used by the French operator CityPlay
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