Chapter 2: Product description
12 EST3X Technical Reference Manual
Description
-IDC8/4 Traditional zone I/O module: Provides eight Class B traditional direct
connect Initiating Device Circuits (IDC) for compatible two-wire smoke
detectors and dry contact initiating devices or four NAC circuits. Installs on
the SFS1-ELEC hardware layer. See installation sheet, P/N 270492 for
specifications.
-LDSM Display support module: Provides the circuitry required to operate a control-
display module when the cabinet does not have enough modules installed
on the electronics chassis hardware layer. Installs on the SFS1-ELEC
hardware layer. See installation sheet P/N 270485 for specifications.
-MODCOM Modem communicator module: Provides dialer communications between
the EST3X control panel and remote locations over telephone lines. Installs
on the SFS1-ELEC hardware layer. See installation sheet P/N 387476 for
specifications.
-OPS Off-premises signal module: Provides three independent reverse polarity
circuits for transmitting alarm, super
visory, and trouble signals to compatible
receivers. Installs on the SFS1-ELEC hardware layer
P/N 270494 for specifications.
-AADC1 Analog addressable driver controller module:
Provides one Class B or Class
A loop for analog addressable sensors and modules. Installs on the
SFS1-ELEC hardware layer. See installation sheet P/N 3100585 for
specifications.
-ZA20(A/B) 20-watt zoned audio amplifier module: Provides a standard 25 or 70 VRMS
output line level, a 1 kHz temporal tone evacuation signal, a 20 SPM tone
for alert signal, and a power limited 24 VDC NAC circuit. Installs on the
SFS1-ELEC hardware layer. See installation sheet, P/N 387463 for
specifications.
-ZA40(A/B) 40-watt zone audio amplifier module: Provides a standard 25 or 70 VRMS
output line level, a 1 kHz temporal tone evacuation signal, a 20 SPM tone
for alert signal, and a power limited 24 VDC NAC circuit. Installs on the
SFS1-ELEC hardware layer. See installation sheet, P/N 387463 for
specifications.
-24R Control-display module: Provides an additional operator interface using an
annunciator strip with 24 red LEDs. Installs on an SFS1-ELEC hardware
layer module. See installation sheet P/N 3101777 for specifications.
-24Y Control-display module: Provides an additional operator interface using an
annunciator strip with 24 yellow LEDs. Installs on an SFS1-ELEC hardware
layer module. See installation sheet P/N 3101777 for specifications.
-12RY Control-display module: Provides an additional operator interface using an
annunciator strip with 12 red-over-yellow LED pairs. Installs on an
SFS1-ELEC hardware layer module.
See installation sheet P/N 3101777 for
specifications.
-12SR Control-display module: Provides an additional operator interface using an
annunciator strip with 12 LED-switches and red LEDs. Installs on an
SFS1-ELEC hardware layer module.
See installation sheet P/N 3101777 for
specifications.