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Principles of Voice & Data Miscellaneous Bellevue Community College Bob Young, Instructor.

Published byDamon Laurence Woods Modified over 9 years ago

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Presentation on theme: "Principles of Voice & Data Miscellaneous Bellevue Community College Bob Young, Instructor."— Presentation transcript:

1 Principles of Voice & Data Miscellaneous Bellevue Community College Bob Young, Instructor

2 BORSCHT Battery Feed Overvoltage Protection Ringing Supervision (or Signaling) Coding Hybrid Testing

3 FireWire 400 Mbps Up to 63 devices can be connected Daisychain or Tree topology okay Plug and Play Hot Swappable Isochronous data Cables up to 4.5 meters long IEEE 1394

4 DSL - DMT #1 Discreet Multitone Modulation 0 - 4 KHz - voice 20 -130 KHz - upstream 140 - 1 MHz - downstream 140 - 550 KHz - downstream (G.Lite)

5 DSL - DMT #2 256 Sub-carriers 4.3125 KHz bandwidth per sub-carrier G.Lite data rates: –Download speed: 1 to 1.5 Mbps –Upload speed: 160 to 640 Kbps

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