Open AccessFederal Information Processing Standards Publication: 12,000 and 14,400 bits per second four-wire duplex modems for data communications use on telephone-type circuits
Publication year - 1992
Language(s) - English
Resource type - Reports
DOI - 10.6028/nist.fips.168
Subject(s) - duplex (building) , telecommunications , electronic circuit , electrical engineering , telephone line , computer science , engineering , telephone network , dna , genetics , biology