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| IT Systems > Communications Systems > Telecommunications Carrier Systems > |
T-Carrier Systems
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ALSO CALLED: Digital Signal Level 1, DS0, Digital Signal Level Hierarchy, DS1, Digital Signal Level 4, DS3, DS2, DS4, DS Level Hierarchy, Digital Signal Level 3, Digital Signal Level 2, and Digital Signal Level 0
DEFINITION: To see the relationship between T-carrier, E-carrier, and DS0 multiples, see digital signal X. The T-carrier system, introduced by the Bell System in the U.S. in the 1960s, was the first successful system that supported digitized voice transmission. The original
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T-CARRIER SYSTEMS DEFINITION (continued): … transmission rate (1.544 Mbps) in the T1 line is in common use today in Internet service provider ( ISP) connections to the Internet. Another level, the T3 line, providing 44.736 Mbps, is also commonly used by Internet service providers. The T-carrier system is entirely digital, using pulse code modulation (PCM) and time-division multiplexing (TDM). The system uses four wires and provides duplex capability (two wires for receiving …
T-Carrier Systems definition sponsored by SearchTelecom.com, powered by WhatIs.com an online computer dictionary
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