| 摘要 |
<p>PURPOSE:To provide the transmission line selector not throwing to a faulty termination section when a faulty termination section is connected. CONSTITUTION:A 1st termination section 1 (2nd termination section 2) has a mount information transmission means 11(12) sending information representing the mount to a common section 3 and a signal error detection means 9(10) detecting that the signal of the transmission line is in error. The common section 3 is provided with a signal selection means 13 selecting any signal of the transmission line based on the information of the mount information transmission means 11,12 and the information of the signal error detection means 9,10 and a changeover means 8 making selection so as to send the signal of the selected transmission line by the signal selection means 13.</p> |
