Why Should I Have a Security Alarm System?
It is debated whether having an alarm system decreases the chances of a
burglary. In theory, if a burglar is aware a house has a system, he or she might
move on to another home. Even if the alarm system does not keep a burglar from
breaking in, the burglar has a tendency to stay a shorter amount of time. This
may decrease the number of items stolen and the extent of damage done.
What Should a Security Alarm System Include?
Most systems rely on a combination of contacts placed at doors and windows and
motion sensors. Motion sensors, however, do not detect someone until they are
already in the house. Motion sensors should NOT be used as the primary means of
detection. It is best that all exterior potential points of entry have contacts
that sense when they are open. Glass break sensors are also available and
recommended.
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The basic
elements of a standard home security system include:
Control Panel: This is the location where the system wiring
terminates, the backup battery is located, and where it is connected
to the phone lines if it is a monitored system.
Keypad: This is where the system is armed and disarmed.
Additional keypads can be installed. For example, a keypad can be
installed next to the homeowner's bed. If the alarm sounds in the
middle of the night and the security system had the capability, the
keypad display could indicate which door, window, or motion detector
caused the alarm.
Siren: A loud siren sounds when there's been a break-in and
it also lets an intruder know they've been detected.
Inside Motion Detector: Passive infrared, microwave, or
photoelectric detectors sense changes in a room caused by human
presence. Special motion detectors are available for people who have
pets.
Door and Window Contacts: Magnetic contacts form a circuit
between a door and doorframe or a window and a sill; when the door
or window is opened (and the system is on), the circuit is broken
and sounds the alarm.
A Central Monitoring Station (Company): If the system is
monitored, in the event of an alarm, the control panel sends a
message over a telephone line to a central monitoring station, which
is manned 24 hours a day. After attempting to contact the homeowner,
the central monitoring station will contact the police, fire
department, or medics. There is usually a monthly fee for this
service. |







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Additional items
that can be added to the basic system are:
Smoke Detectors are
required by many building codes. They can be wired to the security panel.
If the smoke detectors go into alarm, the security panel will notify the
central monitoring station if smoke is detected.
Carbon Monoxide Sensors
Glass Break Detectors recognize the sound of glass breaking and
will sound the alarm.
Panic Buttons can be hand-held and should be located in strategic
places such as next to beds and doors; just punching the button will send
a message to the central monitoring station for help. Homeowners may
choose to have the panic button send the alarm as a silent alarm or sound
the alarms within the house.
Closed circuit TV is a private TV system which allows monitoring
and/or recording inside or outside a home.
Alarm Screens are special screens for windows that have a special
wire woven in the mesh that will activate an alarm when cut or removed.
Wireless Backup Radio If the system is
monitored, in the event of an alarm, the control panel sends a
message over a wireless radio transmission to a central monitoring
station.
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Monitored Systems contact a
monitoring company by telephone.
The typical sequence of events is as follows:
The security system senses something.
The security system may wait for 15 to 45 seconds before going into alarm
allowing the homeowner a chance to deactivate the system to prevent false
alarms.
If not deactivated, the security system goes into alarm and sends a
message to the monitoring company over telephone lines.
The monitoring company receives the message, determines the nature of the
alarm and verifies the alarm, generally by placing a phone call to the
home. If they do not receive the proper password or do not receive an
answer, they call the police.
The police receive the monitoring company's call and respond.
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Caution: A monitored alarm uses the phone
line to call the monitoring company. If personal safety were at risk when
the alarm sounds, a business or home owner would be unable to call 911 or
call for help by phone while the alarm system is communicating through the
phone line with the monitoring company.
The only way to keep this from happening would be to have more than one
telephone line into the business or house or have a cellular phone
available. |
Unmonitored systems typically have
on-site alarms and/or flashing lights that indicate the security system
has been breached. It relies on you or your neighbors as the eyes and ears
to see or hear the alarms and then to call police or fire department.
Neighbors or passersby should never investigate an alarm themselves. |
Helpful Security Tips:
Remember to lock all doors and windows when you leave the home.
Keep all valuable items out of sight.
Install proper lighting around your home to keep it well lit at night.
Introduce yourself to your neighbors and get to know them. Also, take the
initiative to start a Neighborhood Watch group.
When you are out of town, do not lure burglars with stacks of newspapers
and an overflowing mailbox. Either have a trusted neighbor pick them up
daily or have the post office and news carrier hold them for you.
Set timers for lights and a television so it appears that someone is home
while you are traveling.
Do not hide spare keys in obvious places such as: under doormats, in the
mailbox, etc.
Install a peephole in your front door to make it possible to see who is
there without having to open it.
Monitored alarm systems are effective at deterring burglars.
Do not give out your alarm code to just anyone. Only a family member or
trusted friend should know the code in case of an emergency.
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