Notifier AFP-300 Installation Manual page 76

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Communication with intelligent and addressable initiating, monitor, and control devices
takes place through a Signaling Line Circuit (SLC). You can wire an SLC to meet the
requirements of NFPA Style 4, Style 6, or Style 7 circuits. Table 2-16 contains
descriptions of devices connected to an SLC:
Type of Device SLC Function
Isolator Modules Allows a zone of detectors and modules to be electrically isolated from
(ISO-X) the remainder of the loop, which lets critical loop components function
if a circuit fails. ISO-X modules are required for NFPA Style 7 circuits.
Addressable Allows the control panel to monitor entire circuits of conventional,
Monitor Modules alarm initiating devices, such as manual pull stations, detectors,
(MMX series) waterflow and supervisory devices. The BGX-101L (a type of monitor
module) provides point annunciation of manual pull stations.
Control Modules Allows the control panel to selectively activate Notification Appliance
(CMX series) Circuits (NACs) or Form-C output relays.
Intelligent Allows the control panel to communicate with intelligent ionization,
Detectors photoelectric, and thermal detectors on the loop.
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Each control panel has the capacity to support the following:
 !  99 intelligent detectors, 99 monitor/control modules, and up to 68 internal
circuits/relays as shown in Figure 2-54:
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 !  up to 198 intelligent detectors, and an additional combination of up to 198
addressable pull stations, control modules and monitor modules; and up to 68 internal
circuits/relays as shown in Figure 2-55:
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Wiring a Signaling Line Circuit (SLC)
Table 2-16 SLC Devices
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AFP-300/AFP-400 Installation PN 50253:C1 05/22/97