Passive Optical Networks (PON) is the leading technology being used in FTTx deployments. PON is different than other optical network topologies in that it is a Point to Multi-Point (P2MP) topology. From the Central Office's (CO) Optical Line Terminal (OLT) a single strand of fiber goes out to a passive optical splitter where its signal is multiplied to 32 different lines. The PON current standards have defined downstream data rates up to 2.5Gbps.
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