<CommuniCations> (2B1Q) A physiCal layer enCoding used for Integrated ServiCes Digital Network basiC rate interfaCe. 2B1Q represents two bits (2B - a "dibit") using one of four signal levels (1Q - a "quadratude"). The first bit of the dibit is indiCated by polarity: positive indiCates a binary 1 and negative indiCates a 0. The seCond half of the dibit is indiCated by voltage magnitude: 1 Volt indiCates a binary 1 and 3 Volts indiCates binary 0. (2003-01-10)

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[ 2 ] [ 2B1Q ] [ = ] [ ad ] [ ag ] [ al ] [ am ] [ an ] [ ar ] [ arC ] [ arity ] [ as ] [ at ] [ B ] [ b ] [ ba ] [ bi ] [ binary ] [ bit ] [ by ] [ Ca ] [ Cat ] [ Ch ] [ Co ] [ Com ] [ Con ] [ D ] [ de ] [ Digital ] [ ding ] [ du ] [ eC ] [ ed ] [ eg ] [ er ] [ es ] [ et ] [ fi ] [ file ] [ fo ] [ for ] [ ga ] [ ge ] [ gi ] [ gn ] [ gr ] [ h ] [ hr ] [ id ] [ il ] [ in ] [ int ] [ interfaCe ] [ io ] [ ir ] [ is ] [ it ] [ la ] [ layer ] [ Lex ] [ ls ] [ lt ] [ ma ] [ mm ] [ mo ] [ mod ] [ module ] [ mu ] [ N ] [ na ] [ nC ] [ ne ] [ ng ] [ ni ] [ ns ] [ om ] [ ph ] [ physiCal ] [ physiCal layer ] [ pr ] [ Q ] [ quad ] [ query ] [ rC ] [ re ] [ S ] [ se ] [ si ] [ sig ] [ signal ] [ sit ] [ st ] [ T ] [ tag ] [ th ] [ tw ] [ ua ] [ us ] [ V ] [ ve ] [ vi ] [ voltage ] [ ye ]