Synchronous Optical Network (SONET)

Synchronized optical networks (SONET) are a unified digital communication protocol used to transfer large amounts of data over relatively long distances using a fiber optic support.

SONET is a communication protocol, developed by Bellcore, used to transmit a small amount of data over relatively large distances using optical fiber. With SONET, multiple digital data streams are transmitted simultaneously over optical fiber.

SONET is widely used in the telephone network and is one of the first large-scale optical transmission systems. Digital information is transmitted over optical fiber using a LED source or a laser source. The frame format used by SONET is the synchronous transfer signal (STS), with STS-1 as a base level signal at 51.84 Mbps. The STS-1 tire can be carried in the OC-1 signal.

SONET is no different from other technologies, but the hardware is produced to provide better configuration and reliable services to its users. SONET can use a generator to return long distances. This device improves signals that have already traveled long distances. The signals are transferred into electrical signals and then regenerated into high-power signals. The addition of projection multiplexers (ADM) is a common part of SONET. ADMs are designed to fully support the SONET network architecture.
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