| 摘要 |
The method (1500) for deploying a link between at least one security system and an alarm centre comprises: - a step (1505) of fixing each security system in position, - iteratively: - a step (1510) of bringing a mobile matching means, retaining a frequency spreading key and comprising a short range wireless signal transmission means, having a transmission range less than or equal to the communication range of a wireless local network, close to a fixed security system and - a step (1515) of transmitting the frequency spreading key to the security system via short range wireless signals, - a step (1520) of fixing the alarm centre in position at a distance from at least one security system that is greater than the transmission distance of the short range wireless signal transmission means and - a step (1525) of communicating a security message between a communication means of at least one security system and the alarm centre, implementing spectrum spreading depending on the spreading key. |
