Alarm center and telemonitoring station connecting device, has communication line monitor including electronic circuit simulating functioning of switched telephone network when alarm center is connected to network

摘要

The device has an alarm center (5), at a client, including a communication resource communicating with a switched telephone network via a telemonitoring station. A supervision device (S) supervises a telephone line and has an electronic circuit (50) permitting it to simulate the functioning of the network when the alarm center is connected to the network. The supervising device is connected to a digital telephone network using an ADSL modem.