B-2
Appendix B
Introduction to FACPs
Overview 4100 FACPs are back boxes that contain the master controller, operator interface, universal
power supply (UPS), backup batteries, and any additional modules that the panel requires. The
FACP is the central hub (often referred to as a host panel) of a standalone or MINIPLEX fire
alarm system. In a networked system, the FACP can be connected to other system FACPs, so
that each host panel is a node on the network.
Master Controller
Bay
Every FACP contains a master controller bay. The master controller bay consists of the master
controller motherboard, the universal power supply (UPS), the operator interface, and four
open motherboard slots.
In a standalone or MINIPLEX system, the master controller motherboard is supplied with a
master controller daughter card attached to it. In a networked system, a network interface card
is attached as a second daughter card to the master controller motherboard.
Figure B-1 is an illustration the master controller bay.
Figure B-1. Master Controller Bay (4100)
MASTER CONTROLLER
MOTHERBOARD
MASTER CONTROLLER
DAUGHTER CARD
NETWORK / RS-232 DAUGHTER CARD
WITH MEDIA CARD
UNIVERSAL POWER
SUPPLY (UPS)
OPTIONAL MOTHERBOARDS
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