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CompTIA DHTI+ Practice Questions

Category - DHTI

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How many conductors are used in a RJ-21x jack?

Explanation

Answer - A - 50 conductors are used in a RJ-21x jack.

Key Takeaway: RJ-21x jack, also known as the Amphenol 25-pair connector, holds up to 25 T/R lines on a 50 pin Amphenol micro-ribbon connector. This is usually associated with a “66” type punch-down block.

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