| 摘要 |
PURPOSE:To perform the reinitialization assuredly, by recognizing the terminal ready signal of ''1'' decided at the MODEM side and by the FF and the transmission request signal as if they were delivered from the controller. CONSTITUTION:The synchronous character row, e.g., SYN SYN are set to the controller 22, and the transmission is carried out in such transmission mode. After this, the character row is switched to the different synchronous characters DLM SYN. In this case, the terminal ready signal DTR' of ''1'' and the transmission request signal RTS' which are decided at the MODEM side and by the FF24 and 25 are recognized as if they were the signal reverse DTR and the transmission request signal reverse RTS delivered from the controller 22. In this case, the terminal unit ready signal DTR' of ''1'' indicating that the self-unit is not in the transmission/ reception enable state plus the transmission enable signal RTS' of ''1'' indicating that the unit is not in the transmission request state are delivered from the communication circuit contrl device. Thus the reinitialization can be performed assuredly. |
