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Black Box Explains
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WAN
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Transatlantic G.703 comparisons.
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WAN
Differences between line drivers, baseband modems, and modems.
How a line driver operates.
Modem eliminators.
Synchronous Digital Hierarchy (SDH).
Time-Division Multiplexing over Internet Protocol (TDMoIP).
Introduction to G.703
G.703 technology—save money without compromising connectivity
Transatlantic G.703 comparisons.
HDB3 Encoding.
What is a DSL modem?
Some line encoding techniques used by DSL.
Various DSL standards.
G.SHDSL, VDSL, and VDSL2
« Black Box Explains
Transatlantic G.703 comparisons.
Transatlantic G.703 comparisons
Europe
U.S.
Called E1
Called T1
32 user timeslots
24 user timeslots
Total speed: 2.048 Mbps unframed
Total speed: 1.544 Mbps unframed
User speed: ≤ 1.984 kbps in 64-kbps steps for framed
User speed: ≤ 1.536 kbps in 64-kbps steps for framed (D4 or ESF)
HDB3 encoding
AMI or B8ZS encoding
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