| 摘要 |
A method of communicating between a parent station ATM unit and child station ATM units which are respectively allocated with identifiers different from each other through transmission paths in a PVC communication system, including the steps of transmitting a transmission permission ATM message, including the identifier allocated to one of the child station ATM units and communication permission data in an ATM header section, from the parent station ATM unit to the child station ATM units through the transmission paths, and setting only the one child station ATM unit to a communication permission mode in which the one child station ATM unit is permitted to communicate with the parent station ATM unit, the child station ATM units, other than the one child station ATM unit which is permitted to communicate, being in a communication inhibition mode.
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