What are FXS and FXO ports? What are they used for?
What do the Terms FXS and FXO Mean?
FXS and FXO are the names of the ports utilized by simple telephone lines (otherwise called POTS – Plain Old Telephone Service) or telephones. The articulation "POTS" was at first expected as a joke yet is currently utilized as a typical statement in the media communications industry.
FXS (Foreign Exchange Subscriber) is the port that really conveys the analog line to the endorser. At the end of the day, it is the "plug in the divider" that conveys a dial tone, battery current and ring voltage. This is the jack or interface to the telephone system which FXO gadgets can be associated with.
FXO (Foreign Exchange Office) is the port that gets the simple line. It is the plug on the telephone or fax machine or the plug(s) on your simple telephone system. It conveys an on-snare/off-snare sign (circle conclusion). Since the FXO port is joined to a gadget, for example, a fax or a telephone, the gadget is frequently called the "FXO gadget." This port builds up the association with the analog line (FXS).
FXO and FXS are constantly combined, i.e like a male/female attachment. In the event that no telephone system is utilized the phone (FXO) is directly connected to the FXS port. The port is given by the telephone company.
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