Q. In SONET, the duration of any frame is

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Q. In STS, multiplexing can also take place at the higher

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Q. At the optical source, the signal is changed from an electronic form into an

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Q. The SONET Layer that is responsible for the movement of a signal across a physical line is called

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Q. SONET/SDH is a synchronous network using synchronous

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Q. OCs stands for

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Q. SONET networks are divided into

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Q. UPSR stands for

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Q. A regenerator is a repeater that takes a received

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Q. In SONET, all clocks in the network are locked to a

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Q. The frame design which includes a system of virtual tributaries, To make SONET backward-compatible with the

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Q. Each synchronous transfer signal is composed of

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Q. The movement of a signal from its optical source to its optical destination is the responsibilty of

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Q. POH stands for

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Q. SONET frame can carry information from a digitized voice

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Q. A SONET network, can be used as a high-speed backbone carrying loads from other networks such as

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Q. In Ring network, UPSR uses 2 rings for working lines and BLSR uses

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Q. SONET defines four layers: path, line, section and

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Q. STM stands for

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Q. The photonic layer corresponds to the physical layer of the

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