| 摘要 |
PURPOSE:To prevent the system-down due to the defective transmission signal of the higher-rank station and the defective reception signal of the own station by providing the bypassing function for the own station plus the function to tranmsmit the command ordering to give bypass to the higher-rank station respectively to each station. CONSTITUTION:Data reception part 1 decides the presence or absence of the frame synchronization and then checks FCS. Data transmission part 2 forms the frame synchronization and then FCS. Bypass decision part 3 decodes the bypass command to be given to the own station or the bypass release command and then turns the relay which is turned to the solid line side at the normal time to the broken line disc via the bypass command of the own station at control part 7. |
