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Digital Signal 1

A telephone company format for transmitting information digitally.

Digital Signal 1 (DS1, sometimes DS-1) is a T-carrier signaling scheme devised by Bell Labs. DS1 is the primary digital telephone standard used in the United States, Canada and Japan and is able to transmit up to 24 multiplexed voice and data calls over telephone lines. E-carrier is used in place of T-carrier outside the United States, Canada, Japan, and South Korea. DS1 is the logical bit pattern used over a physical T1 line; in practice, the terms "DS1" and "T1" are often used interchangeably.

Key Terms

bell labs
canada
carrier signaling scheme
data calls telephone lines
digital signal
ds1
japan
multiplexed voice
primary digital telephone standard
united states

Additional Resources

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Acronymn

DS1

Synonymns

Digital Signal 1
T1

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Sources & Credits

Last modified on February 14 2020
Content adapted from Wikipedia
No credits found.
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