A patching facility that provides the first appearance of local- user VF circuits in the technical control facility (TCF). ( 188 ) Note: The VF primary patch bay provides patching, monitoring , and testing for all VF circuits. Signals will have various levels and signaling schemes depending on the user terminal equipment .
VOICE FREQUENCY (VF) PRIMARY PATCH BAY
Meaning of VOICE FREQUENCY (VF) PRIMARY PATCH BAY in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012