Patent ID: 6356568
Filing Date: 2002-03-12
Classification: H04L

Abstract:
A communication method, used in a communication system having a plurality of repeaters interconnected by a data transmission line, each of the repeaters being connected to at least one node terminal, the communication system being configured to exchange data between each of the node terminals, between each of the repeaters, and between a given node terminal and a given repeater, the communication method comprising, at each particular one of the plurality of repeaters, the steps of:receiving emergency data at the particular one of the plurality of repeaters from each node terminal connected to the particular one of the plurality of repeaters, from another one of the plurality of repeaters, or from another node terminal connected to another one of the plurality of repeaters, the emergency data including an emergency command indicating an emergency; temporarily suspending inputting and outputting of all communication data which is not emergency data at the particular one of the plurality of repeaters; preferentially permitting the inputting and outputting emergency data at the particular one of the plurality of repeaters; and transmitting the emergency data received by the particular one of the plurality of repeaters to at least one other repeater connected to the data transmission line.