Glossary
Y.2 EST3 Installation and Service Manual
Class B NAC A circuit, connected directly to notification appliances, that
signals a trouble condition upon an open or shorted condition
on the circuit. All appliances wired on the circuit to continue to
operate up to the location of a break. Similar to Styles W, X, &
Y integrity monitoring.
CMS Central monitoring station
coder A device that provides interruption of power to audible devices
at a predetermined rate or sequence
command list A predefined list of SDU commands. You can activate a
command list from a rule, from another command list, or from
an external command and control system.
Users of the ACDB program can specify which command list is
executed for an access control event. The RPM exports the
command list names (labels) in the resource profile.
compile To convert data entered during programming into a format used
by the fire alarm control panel
CRC Card Reader Controller
DACT Digital alarm communicator transmitter. A system component
which transmits digital alarm, supervisory, and trouble signals
to a central monitoring station (CMS) over dial-up telephone
lines. The 3-MODCOM is a DACT.
database User-defined, permanently stored, system parameters
containing system zone definitions, device types, responses,
messages, etc.
device Any Signature Series detector or module
device address A number that uniquely identifies a detector or module on a
Signature data circuit
dialer See DACT
disable Prevent an input, output, or system feature from functioning
download To send a compiled project database from your PC to the
system control panel.
EEPROM Electrically erasable programmable read-only memory.
Nonvolatile memory containing the system database.
enable Permit an input, output, or system feature to function.
EPROM Erasable programmable read-only memory. Nonvolatile
memory containing the operating system. EPROM is erasable
only by ultraviolet light.
external command port An RS-232 connection which permits the CPU module to be
connected to a remotely located control system.
fiber optic Communication format that uses light signals carried on glass
fibers to transmit and receive data
flash memory Nonvolatile read-write memory
global domain Features which operate in all network cabinets
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