One of the biggest complaints I hear from customers is that
they often do not understand the "alarm lingo" that
is sometimes referenced in the manuals. As time permits I will
add these terms here and a simple definition for each.
EOL: Stands for end of line resistor. The
purpose of them is to supervise the line from possible tampering.
Not from cuts as this will cause an alarm anyway, but rather
shorting which would simulate a closed zone. Some systems provide
an option if you want to use them or not such as DSC, others
you have to use them. If you do use them they should be placed
at your detection device and not in the panel box. They provide
no protection there.
PARTITION: A partition is zone or group of
zones that may be controlled independently (armed and disarmed)
from any other group. If you have two partitions you basically
have two separate systems. Partitions do share the siren output
ZONE: A zone is a single detection device
or a group of detection devices connected to a single input
on a system. It is generally recommended that each device be
on it's own zone for the purpose of better identifying an alarm
conditions location and for troubleshooting should you have
a problem with a device. The exception to this is smoke detectors.
Also multiple windows in a room are sometimes looped together
on a zone.
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