Notifier NOTI-FIRE-NET User Manual

NFN Web Server User’s Manual PN 51990:A2 12/02/0316
2.5 POWER SUPPLY CONNECTIONS
The power supply for the NFN Web Server is a 24VDC-to-5VDC unit (P/N 46175). The NFN Web Server requires
+24VDC @ 250 mA nominal and battery backup in accordance with local code requirements. It can be powered by
any power limited source that is UL listed for use with fire protective signaling units. For more details on powering
and connecting an NCM-W/F, refer to its Product Installation Document 51533.
Figure 2.5-2: NFN Web Server Power Connection
+24VDC Input
24V REF Input
Earth
+5VDC Output
5V REF Output
Figure 2.5-1: 46175 Power Supply Specifications
Red
Black
To NWS PC Board
Power Connector
TYPICAL MIN MAX
Input Voltage 24V 19V 29V
Input Current @24V
360m A without NCM
450 mA w ith NCM
Output Voltage 5V 4.8V 5.2V
Output Current @5V 1.2A
To NCM NUP Port
Red
Black
P/N 46175
P/N 75583
P/N 75581
!
NOTE: Not needed for direct
connection to an NFS-640 or
NFS-3030 panel.
NWS POWER SUPPLY CONNECTIONS WHEN USING THE NCM-W/F
When connecting the NWS to NOTI•FIRE•NET™ via the NCM-W/F, make cable connections according to Figure
2.5-2 below.
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Notifier NOTI-FIRE-NET Specifications

General

Brand	Notifier
Model	NOTI-FIRE-NET
Category	Control Systems
Language	English