Cygnus CYG1 Control Panel with GSM/GPRS Remote Link, which is an optional element, is used to capture data from up to 480 devices situated around a site. This data includes active fire alarms, intruder alerts, first aid alert, heat and smoke detector activations, battery low warning and signal failure. It is capable of holding event logs, so the user can go back to an event to find accurate date and time of any alert. The control panel which can run for up to a month using its internal battery also operates on mains power. The panel has other features including an evacuate site function which can be used in case of emergency and can be used as part of the intruder alert functionality to switch intruder sensors on and off. There are outputs to connect to on-site paging systems and/or GSM facility for off-site and out of hours protection.