Continuous transmission mode[1] is a telecommunications mode where a good part of the communication transmission links are of the continuous-mode type, in which the signal is present at all times.[2]
In more quantitative terms, continuous transmission mode takes place:
^Kazovsky, Leonid G.; Cheng, Ning; Shaw, Wei-Tao; Gutierrez, David; Wong, Shing-Wa (2011-04-20). Broadband Optical Access Networks. John Wiley & Sons. p. (Unpaginated). ISBN978-0-470-92267-5. Comparison of continuous-mode transmission and burst-mode transmission. In continuous mode transmission, continuous bit streams are sent from sources to destinations; if no data need to be sent, idle signals are sent.