A passive optical network (PON) is a telecommunications network that uses only unpowered devices to carry signals, as opposed to electronic equipment. The OLT's primary function is to serve as the intermediary between the core network and the local PON subscribers. In essence, a PON is a fiber-optic system that delivers data from a single source to multiple endpoints using only.
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A PON takes advantage of (WDM), using one wavelength for downstream traffic and another for upstream traffic on a (ITU-T, typically OS2).
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A passive optical network (PON) is a telecommunications network that uses only unpowered devices to carry signals, as opposed to electronic equipment.
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The drivers behind the modern passive optical network are high reliability, low cost, and passive functionality. Single-mode, passive optical components include branching devices such as Wavelength-Division Multiplexer/Demultiplexers (WDMs), isolators, circulators, and filters. In practice, PONs are typically used for the last mile between Internet service providers (ISP) and their customers. Meeting key specification requirements such as optimised bandwidth, low losses, wide temperature performance, and excellent environmental and mechanical stability is crucial for delivering custom solutions.
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In Section 4, we work through the key PAM4 optical and electrical compliance tests and conclude in Section 5 with a summary of the test equipment features and requirements that you need to debug PAM.
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