Specifications

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recognized by UL.
line supervision - the electrical supervision of a wire run to detect tampering (a cut or shorted wire).
Line supervision usually requires a terminating element at the end of the monitored wire zone.
local alarm - a visual or audible signaling device located at the premises.
Local Area Network (LAN) - a network in one area, such as a building or group of buildings.
local printer - a serial printer that can be connected to certain DMP Command Processor panels to
provide a printout of system events. This feature can allow business owners to track activity of
employees, check system arming and disarming times, or monitor other events of their security or fire
system.
local system - an alarm system that rings a local sounding device in the event of an intrusion.
loop - see zone.
LX-Bus™ - a DMP 4-wire data bus onto which you can connect addressable zone and output expanders.
The LX-Bus™ is available using an expansion interface card.
manufacturer authorization - a unique DMP panel programming option that allows you to create a
one hour window during which DMP technical support technicians can contact the panel remotely for
diagnostic purposes. DMP technicians can only view the system programming and cannot make any
changes.
mode - a programming option that allows you to select Area, All/Perimeter, or Home/Away arming
modes for the panel's areas. Area arming mode allows areas to arm independently of each other as
separate systems. All/Perimeter mode provides a perimeter and interior area as one account. Home/
Sleep/Away mode provides a perimeter, interior, and, in some cases, bedrooms area as one account.
modem - a device that converts digital data from a computer into analog data, which can then be
transmitted over a telephone line. This process is called modulation. It also performs the opposite
process, demodulation, which converts incoming analog signals into digital data the computer can
understand.
multiplex - a communication method DMP panels use that keeps the panel in contact with the SCS-1
Receiver. Alarm and system information are transmitted quickly as the panel does not need to dial a
phone number or wait to be acknowledged by the receiver. Each multiplex panel is sequentially polled
by the SCS-1 Receiver to maintain constant supervision.
multiplexer - a network component that combines multiple data signals onto one path.
network interface controller - a networking card, such as Ethernet, Token Ring, or FDDI, for a
computer.
network server - A computer or device on a network that manages network resources. For example, a
network server is a computer that manages network traffic.
night zone - a zone type that provides an instant alarm when tripped while armed and no alarm when
tripped while disarmed.
non-polled address - a keypad message indicating that the device is set to an unavailable address or