Power Supply Connections; Figure 2.5-1: 46175 Power Supply Specifications - Notifier NOTI-FIRE-NET Installation & Operation Manual

2.5 P S
OWER UPPLY
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.
NWS P S
OWER UPPLY
When connecting the NWS to NOTI•FIRE•NET™ via the NCM-W/F, make cable connections according to Figure
2.5-2 below.
16
www.PDF-Zoo.com
C
ONNECTIONS
TYPICAL
Input Voltage
Input Current @24V
Output Voltage
Output Current @5V

Figure 2.5-1: 46175 Power Supply Specifications

C W
ONNECTIONS HEN
P/N 46175
Black
P/N 75581
Figure 2.5-2: NFN Web Server Power Connection
MIN
24V 19V
5V 4.8V
U NCM-W/F
SING THE
Black
Red
Red
To NWS PC Board
Power Connector
NFN Web Server User's Manual PN 51990:A2 12/02/03
MAX
29V
360mA without NCM
450 mA with NCM
5.2V
1.2A
24V REF Input
+24VDC Input
Earth
+5VDC Output
5V REF Output
P/N 75583
To NCM NUP Port
NOTE: Not needed for direct
connection to an NFS-640 or
!
NFS-3030 panel.