| 摘要 |
PURPOSE:To prevent a communication disturbance to other subscriber in advance by providing a mis-insertion deciding section discriminating a transmitted transmission burst control signal and other signal and using the mis-insertion deciding section so as to control the sending of a radio wave. CONSTITUTION:The control signal (c) of transmission burst is outputted to the control section 24 of a switch and the mis-insertion deciding section 25 via a transmission line 43. When the mis-insertion deciding section 25 decides a signal as the transmission burst control signal (c), a transmission switch section 23 is turned on via the switch control section 24. If an erroneous signal is inputted to the switch control section 24 and the mis-insertion deciding section 25 via the line 43, the output of the section 25 activates the section 24 to turn off the transmission switch section 23, thereby stopping the transmission. Thus, the communication disturbance to other subscriber due to mis-insertion is prevented in advance. |
