Exam CTS Topic 1 Question 144 Discussion

Actual exam question for AVIXA's CTS exam
Question #: 144
Topic #: 1
What is the standard impedance of a DMX cable?

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The standard impedance for a DMX (Digital Multiplex) cable is 110 ohms (). DMX is a standard for digital communication networks commonly used to control stage lighting and effects. The 110-ohm impedance is crucial for ensuring the integrity and reliability of the digital signal over long distances. Using cables with the correct impedance prevents signal reflections and ensures proper transmission of the DMX data without errors, maintaining the synchronization and performance of lighting systems.

by Otto at May 01, 2025, 10:17 AM

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