Intrusion detection devices alone do not make up an effective security system. Security systems must have a controlling method acting as the traffic cop to manage and disseminate what the devices detect.
In its most basic form, the security system contains a security system control panel, which houses the electronics to monitor and supervise the electronic intrusion detection devices, an alphanumeric keypad used to arm or disarm the control panel and provide status of the system, and a telephone dialer to contact the authorities.