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.
Famous quotes containing the words voice, frequency, primary, patch and/or bay:
“The greater part of what my neighbors call good I believe in my soul to be bad, and if I repent of anything, it is very likely to be my good behavior. What demon possessed me that I behaved so well? You may say the wisest thing you can, old man,—you who have lived seventy years, not without honor of a kind,—I hear an irresistible voice which invites me away from all that.”
—Henry David Thoreau (1817–1862)
“One is apt to be discouraged by the frequency with which Mr. Hardy has persuaded himself that a macabre subject is a poem in itself; that, if there be enough of death and the tomb in one’s theme, it needs no translation into art, the bold statement of it being sufficient.”
—Rebecca West (1892–1983)
“The primary distinction of the artist is that he must actively cultivate that state which most men, necessarily, must avoid: the state of being alone.”
—James Baldwin (1924–1987)
“I sing a hero’s head, large eye
And bearded bronze, but not a man,
Although I patch him as I can
And reach through him almost to man.”
—Wallace Stevens (1879–1955)
“Baltimore lay very near the immense protein factory of Chesapeake Bay, and out of the bay it ate divinely. I well recall the time when prime hard crabs of the channel species, blue in color, at least eight inches in length along the shell, and with snow-white meat almost as firm as soap, were hawked in Hollins Street of Summer mornings at ten cents a dozen.”
—H.L. (Henry Lewis)