In telephone switching systems, a single supervisory pulse , i.e. , the momentary presence of, or interruption of, a supervisory signal . ( 188 ) Note: An example of a wink is the momentary flash of a supervisory light on an attendant's switchboard .
WINK
Meaning of WINK in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012