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Video: Understanding EIA-485: Bias and Termination

Understanding EIA-485May 2013 – The Understanding EIA-485 Video Series discusses the popular EIA-485 technology - commonly called RS-485 - used for interconnecting network devices.

In this video we discuss two important issues with multipoint systems - termination and bias. Terminating a data cable properly reduces reflections that could cause data errors. Correct bias assures that each device on the bus properly interfaces with the bus for reliable operation.

Watch the video.

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