A ____ multiplexes 24 input channels together onto one high-speed telephone line.
A) T-1 system
B) SONET system
C) SDH system
D) congruent system

Question

Quizplus · Accepted Answer

The T-1 system is designed to multiplex 24 voice channels together onto a single high-speed digital circuit. It has a sustained data rate of 1.544Mbps and is widely used for voice and data communication in North America. The other options, SONET and SDH, are high-speed optical fiber networks used for long-distance communication and have higher data rates than T-1. Congruent system does not refer to any specific technology or network.

A ____ Multiplexes 24 Input Channels Together onto One High-Speed