(56 kilobits per second) The data capacity of a normal single channel digital telephone channel in North America. The figure is derived from the bandwidth of 4 kHz allocated for such a channel and the 16-bit encoding (4000 times 16 = 64000) used to change analogue signals to digital, minus the 8000 bit/s used for signalling and supervision.At the end of 1997 there were two rival modem designs capable of this rate: k56flex and US Robotics' X2. In February 1998 the ITU proposed a 56kbps standard called V.90, which is expected to be formally approved during September 1998.
Last updated: 1998-09-15
A digital connection (possibly a leased line, possibly switched) capable of carrying 56 kbps.Compare DS0.
Last updated: 2000-07-16
486SX ♦ 4GL ♦ 4NF ♦ 51forth ♦ 56 kbps ♦ 56k line ♦ 586 ♦ 5ESS ♦ 5NF ♦ 5th Glove
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