Patent ID: 7995963

Claim:
A method for the management of a plurality of decentralized customer terminals ( 11 ) by means of a bidirectional communications connection between a central unit ( 13 ) and customer connection units ( 15 ) associated with the customer terminals ( 11 ), wherein the central unit ( 13 ) transmits at least one synchronous radio control telegram ( 18 ) to a plurality of customer connection units ( 15 ) by means of at least one longwave transmitter ( 17 ) via a central radio ripple control channel; wherein each customer connection unit ( 15 ) triggers a predefined process at at least one associated customer terminal ( 11 ) in dependence on the received radio control telegram ( 18 ); wherein each customer connection unit ( 15 ) transmits at least one data telegram ( 20 ) which includes information related to the associated customer terminal ( 11 ) to the central unit ( 13 ) via a decentralized return channel which is separate from the radio ripple control channel; and wherein the transmission of the data telegram ( 20 ) to the control unit ( 13 ) takes place based on time, based on an event and/or in dependence on a previously received radio control telegram ( 18 ).