What are the components of a basic alarm system? And what do they do?


With an alarm system we can succeed in protecting our home from intruders. There are many different types of alarm technology but a basic alarm system will be broken down into the following components:

- Alarm panel: This is an essential component in an alarm system. Signals from all the devices are received and controlled using this panel. When a sensor is activated, it sends a signal to the alarm panel and the panel acts accordingly, triggering the alarm if there is one connected, sending an alert to the Alarm Control Headquarters (ACH) or to a mobile device, activating the siren, etc. The alarm panel must be placed in a location which is not visible to just anyone.

- Keyboard: This component allows us to control and configure the system. We arm (activate) and disarm (deactivate) the system using the keyboard and it records access codes. Entrance and exit times can be programmed, zones configured, siren duration changed, etc. Normally there are 10 numeric buttons and several "function" buttons, such as Panic, Emergency, Fire, Night Mode, etc.
They are generally placed on the wall near to the main door or in a main bedroom.
A wireless keyring can also be programmed to activate and deactivate the alarm remotely, or a panic button can be created.

- Intercom: This can be telephonic (RTC), GPRS/GSM, TCP/IP.

- Movement sensors: This is an electronic device which is triggered when there is an intrusion in the protected zone. Infrared, microwave, or dual sensors are embedded. They are normally placed strategically at places where intruders could enter. Every time something changes in the sensor's range, a signal is sent to the main panel to trigger the alarm.

- Siren: This device emits an audible signal and also lights up when the presence of unauthorised individuals is detected in the home. Normally this is placed on the exterior of the home, in this way it also works as a deterrent.

There are many other components to expand the security system, such as movement sensors with integrated camera, magnetic sensors, seismic sensors, sensors to detect breaking glass, smoke detector, perimeter sensors, etc.

The important thing in every situation is that you seek advice from a trustworthy professional with expertise in the security sector who can analyse the risks and needs. Also, the installation should be carried out by an approved enterprise.

In SipGrup, the Girona Security company, specialising in the installation and maintenance of domestic alarms, we can advise you with no obligation, and offer you a wide range of alarm devices for your home.

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