All about electronic security systems and loss prevention for all types of business. Information about alarms, CCTV, and access control what they do and how to buy them. Information about residential alarms.If no code (or the wrong code) is entered, the control panel then transmits an alarm signaland likely sounds some audible device like a siren. The exit ... Another major cause of false alarms is the aI just popped back in for a minute because I forgot somethinga. ... Residences can use the phone line already there but many alarm companies prefer businesses install a dedicated phone line just for the alarm.
|Title||:||Security Now - A Guide to Electronic Security|
|Publisher||:||Lulu.com - 2006-11|