Voice frequency primary patch bay
id:
voice-frequency-primary-patch-bay-220-2787563
title:
Voice frequency primary patch bay
text:
In telecommunication, a voice frequency primary patch bay (VF) is a patching facility that provides the first appearance of local-user VF circuits in the technical control facility (TCF). 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.
brand slug:
wiki
category slug:
encyclopedia
description:
Patching facility
original url:
https://en.wikipedia.org/wiki/Voice_frequency_primary_patch_bay
date created:
2002-02-26T00:42:53Z
date modified:
2024-09-13T17:34:25Z
main entity:
{"identifier":"Q7939512","url":"https://www.wikidata.org/entity/Q7939512"}
image:
fields total:
13
integrity:
15