| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a communication inspecting device capable of quickly and accurately specifying a communication impossible position on a communication line even when there are a number of equipment such as showcases or air-conditioners using a centralized control device for management. <P>SOLUTION: The communication inspecting device comprises a connection terminal 30 connectable to the communication line 6, a control means (a control device 26) for detecting the transmission/reception of data relating to all IDs or specified IDs in the state that the connection terminal 30 is connected to the communication line 6, and a display means (a display device 28) for displaying a result detected by the control means. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
