Registered Communications Distribution Designer (RCDD-001) — Question 19

What are the three typical voltages used in centrally amplified paging systems?

Answer options

• A. 24, 48, and 90
• B. 25, 70, and 100
• C. 25, 90, and 120
• D. 48, 90, and 120

Correct answer: B

Explanation

The correct answer is B, as 25, 70, and 100 volts are the standard voltages used in centrally amplified paging systems to ensure compatibility and optimal performance. The other options present voltage combinations that do not align with industry standards for these systems.