In telephony, a Foreign exchange station (FXS), is a telephone interface that supplies battery power, provides dial tone, and generates ringing voltage. A device that connects to such an interface contains a foreign exchange office (FXO) interface and could be a standard analog telephone or a private branch exchange (PBX) to receive telephone service.
Any telephone exchange is an example of an FXS, as is the telephone jack on the wall, though the term is rarely applied except in connection with foreign exchange service.
An FXS interface utilizes an FXO protocol to detect when the terminating device (telephone) goes on-hook or off-hook, and can send and receive voice signals.
An FXS interface provides service at the "station" end of a foreign exchange line.
Read more about this topic: Foreign Exchange Service (telecommunications)
Famous quotes containing the words foreign, exchange and/or station:
“It tosses up our losses, the torn seine,
The shattered lobster pot, the broken oar
And the gear of foreign dead men. The sea has many voices,
Many gods and many voices.”
—T.S. (Thomas Stearns)
“If mass communications blend together harmoniously, and often unnoticeably, art, politics, religion, and philosophy with commercials, they bring these realms of culture to their common denominator—the commodity form. The music of the soul is also the music of salesmanship. Exchange value, not truth value, counts.”
—Herbert Marcuse (1898–1979)
“I introduced her to Elena, and in that life-quickening atmosphere of a big railway station where everything is something trembling on the brink of something else, thus to be clutched and cherished, the exchange of a few words was enough to enable two totally dissimilar women to start calling each other by their pet names the very next time they met.”
—Vladimir Nabokov (1899–1977)