| 摘要 |
The kit has an interface module (17) including a switch (19) connected to a side of an electrical telephonic-line (110) at a terminal part (11). The switch is operated at an operating state in which a subscriber line interface circuit (21) at a remote monitoring device (15) is connected with the telephonic-line at the terminal part and with an electrical telephonic-line (70) at a telealarm device (7), and another operating state in which the telephonic-line at the telealarm device is connected to the telephonic line at the terminal part. |
