Fundamentalsof Telecommunications

638 ACRONYMS AND ABBREVIATIONS AUG administrative unit group AUI attachment unit interface AWG American Wire Gauge AWGN additive white Gaussian noise B3ZS, B6ZS, B8ZS binary 3 zero substitution, binary 6 zero substitution, binary 8 zero substitution BCC block check count BCD binary-coded decimal BCH Bose­Chaudhuri­Hocquenghem (a family of block codes) BECN backward explicit congestion notification Bellcore Bell Communications Research BER bit error rate, bit error ratio BERT bit error rate test BFSK binary frequency shift keying BH busy hour BIP bit-interleaved parity B-ISDN broadband ISDN bit binary digit BITE built-in test equipment BITS building-integrated timing supply BIU baseband interface unit BNZS binary n-zeros substitution BOC Bell Operating Company BOM beginning of message BP bandpass BPS bits per second BPSK binary phase shift keying BPV bipolar violation BRA, BRI basic rate (interface) BSN backward sequence number BSTJ Bell System Technical Journal BT bridged tap BTL Bell Telephone Laboratories CAC connection admission control CAP competitive access provider CATV community antenna television CBDS connectionless broadband data services CBR constant bit rate CCIR International Consultive Committee for Radio CCITT International Consultive Committee for Telephone and Telegraph ccs, CCS cent call second CD compact disk;