Foreign eXchange Office from FOLDOC

FXO ⇝

Foreign eXchange Office

(FXO) An analog telephone plug on a handset that receives POTS service from the telephone exchange ("central office") via a Foreign eXchange Subscriber socket and provides on-hook/off-hook indication to the exchange.

Last updated: 2008-01-17

Nearby terms:

foreground ♦ Foreign eXchange Office ♦ Foreign eXchange Subscriber

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