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What is multiplexing and how does 6Gb/s SAS utilize the capability?

April 26, 2017capability Multiplexing SAS utilize

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What is multiplexing and how does 6Gb/s SAS utilize the capability?

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Multiplexing (also know as Time Division Multiplexing, or TDM) optimizes 3Gb/s SAS infrastructure. It allows multiple 3Gb/s devices to share 6Gb/s SAS bandwidth. For example, an expander can multiplex two 3Gb/s device data streams (to fully utilize the 6Gb/s bandwidth) to an upstream port. Multiplexing will enable 6Gb/s SAS to connect to 3Gb/s SATA drives, providing a smooth transition from 3 to 6Gb/s data transfer speeds. Note: Multiplexing must conform to the SAS–2 specification definition.