| 摘要 |
PURPOSE:To ensure the uniform service grade by forming the link including partially different constitution step numbers, enabling the storage to each part of the link through the same incoming repeating device and then having the connection in accordance with the traffic quantity to be connected. CONSTITUTION:The service call arriving via lead 10 of the incoming side gives the start to incoming repeating device 1, and incoming register 11 is caught by information lead 12. In case the arrived call sends the selection signal, the information is relayed to register 11 by lead 12. Then central control unit 3 receives the information from register 11 via information lead 13, and then decides the using link based on the service grade, the congestible state of the traffic and other factors. Then device 1 is connected to link 21 or 22 via control lead 7. |
