Open AccessFederal Information Processing Standards Publication: 9,600 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.167
Subject(s) - duplex (building) , telecommunications , electronic circuit , computer science , telephone line , electrical engineering , engineering , telephone network , dna , genetics , biology