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43.0 Appendix G: FXMNS Used as a Mass Notification
System (ACU)
The MNS portion of a complete Mircom FleX-Net™ Network Fire Alarm system consists of a
BBX-FXMNS Enclosure (see Node 2 in figure below). The BBX-FXMNS includes a RAXN-
4000LCD Annunciator which is designated an ACU (Autonomous Control Unit) and a Master
Microphone to provide emergency audio. Below the ACU is another RAXN-4000LCD which
annunciates the fire alarm system along with a Master Telephone for emergency use. Below
this is a display LCD such as the DSPL-420DS or DSPL-2440 which may be used for service;
this display will show all messages. Up to seven FX-LOC(R)s can be connected to any MNS
node.
The FX-LOC(R) Local Operating Console along with the FleX-Net™ Network Fire Alarm
provides compliance with the Mass Notification System (MNS) UL 2572 requirements.
Applicable Standards: UL 2572, UL 864, NFPA 72, ULC
In-Building Mass Notification Sample System
Node 1
Node 2
MIC &
PTT
24 VDC
RS-485
FX-MNS
CACF
FX-LOCR (#7)
FX-LOCR (#1)
RAXN-4000LCD
used as part of ACU
(Autonomus Control
Unit)
Up to 7 LOCs per node
Central Alarm and Control Facility
Mass Notification System
FX-LOCR
(Local
Operating
Control)
can be
located on
each floor
SLC
RAXN-4000LCD
used as Fire Alarm
Display
DSPL-2440 Graphic
Display used for service
FX-4000 IN-BUILDING MASS NOTIFICATION SYSTEM
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