INTRODUCTION TO COMPUTERS
COMPUTER NETWORKS AND THE INTERNET
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Dedicated digital telephone lines used in Europe
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The signaling channels in an ISDN line
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Dedicated digital telephone lines used in North America
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The data channels in an ISDN line
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Detailed explanation-1: -A T-1 carrier is a dedicated telephone connection or a time-division-multiplexed digital transmission service that supports a data rate of 1.544 Mbps. A T-1 line generally includes 24 separate channels, each of which is able to support 64 Kbps.
Detailed explanation-2: -What is a T-Carrier System? A set of digital data transmission formats predominantly used in North America and Japan. Both the T-Carrier and E-Carrier systems operate using Digital Signal 0 (DS0) as its basic unit, enabling a transmission rate of 64 Kbps.
Detailed explanation-3: -T-1: 24 channels and 1.544 Mbps of bandwidth. T-2: 96 channels and 6.312 Mbps of bandwidth. T-3: 432 channels and 44.736 Mbps of bandwidth. T-4: 4032 channels and 274.176 Mbps of bandwidth. 06-Mar-2015