Network, Networking Technology, Data Communication Terms, Glossary and Dictionary

2B1Q

2B1Q refers to 2 binary 1 quaternary. 2B1Q is an encoding scheme that provides a 2 bits per baud, 80-kbaud per second, 160-kbps transfer rate. The most common signaling method on ISDN U interfaces. The 1988 ANSI spec T1.601 defines this protocol in detail.

 

 

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2B1Q