How the Alarm Monitoring System Works

Posted May 04, 2009 by spinningblue / comments 0 comments / Print / Font Size Decrease font size Increase font size

When you're thinking about home security, there are a few things about alarm monitoring systems that you need to understand.

Burglar alarms are electronic alarms that are set up and wired through your home to alert you to intruders. A simple set-up of an alarm system includes a sensor that is connected to a control panel. When the sensor is triggered, the control unit announces the alert by sounding an alarm.

Alarm monitoring systems can either be hardwired or wireless. The wired ones are usually used with sensors, which require power for usable operation. Wired types usually come with some form of detecting tampering. However, wired systems are often expensive to install.

On the other hand, wireless alarm systems are pretty easy to set up. They use transmitters instead of wires. Wireless systems require constant supervision and maintenance to make sure the unit is working effectively. If for example, the sensors or batteries have not been checked on a regular basis, the system may not perform correctly.

Alarm monitoring works in systems with a remote alarm output. In these systems, the control panels are connected to monitors, that are set up in various methods. One includes a direct connection of the system to a responder, or a central station, such as a police quarters or fire station. However, this kind of configuration is becoming less popular because it can be veryexpensive. Direct monitoring connections can usually be found only in Local Government institutions, State, or school campuses where there is a dedicated security and there is plenty of money to be spent on an alarm monitoring system.

More conventional alarm systems make use of Public Switched Telephone Network, or PSTN. This configuration features a digital phone dialer unit which will dial the central station, which then will announce the alarm. The monitoring system can identify the physical location of the sensor, or home, that has been triggered with the use of programmed encoders. Most alarm control panels are designed with backup dialer ability that can be used when the primary PSTN route is not functioning well. The secondary dialer can be connected to a separate phone line (or an encoded radio, mobile phone, or internet interface gadgets) to entirely evade the PSTN. This is because if the primary lines have been tampered, alarms could still be raised via the redundant dialers and early warnings of pending problems can be advised.

When monitored, the alarms and speaker phones permit the central station to communicate with the owner, or even with the intruder. For monitored burglaries, the speaker phones let the central stations attempt to convince the prowler to back off and give up as police units have been sent off.

Considering some factors, such as the location of the zone triggered and time of the day, the alarm monitoring center may perform various actions automatically. Some instructions they may initiate include calling the police stations, fire department or ambulance. They may also choose to check if the alarm is true. Some systems come with video surveillance to capture the actual acts of intrusion or other emergency cases on tape. These are considered the best systems on the market.

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