摘要 |
PURPOSE:To constitute a time division channel suitable for decentralization of an exchange control function, by providing a time division switch function having a function selecting autonomously an outgoing path with channel control information. CONSTITUTION:The channel information comprises control information representing the outgoing path and communication information, the control information is shared to a control circuit CTL and the communication information is distributed to output gate circuits G1-Gm. The circuit CTL checks the control information and detects the outgoing path and checks for the presence or absence of the operating request of other switch device to the same outgoing path. As a result, when the operating request of the same outgoing path exists in >=2 switch device, the device selected with a prescribed priority rule uses the outgoing path and the device provides additionally the connection enable information. On the other hand, the other switch device provides additionally the display information of a call loss and sets the output information to the corresponding output parallel serial converting circuits P/S1-P/Sm. |