NFN Gateway Power Connection NFN Gateway Embedded Installation
23NFN Gateway Installation & Operation Manual - P/N: 52306:Rev: D 06/01/07
2.6 NFN Gateway Power Connection
The power supply for the NFN Gateway is a +24VDC to +5VDC unit. It requires +24VDC @ 330
mA nominal and battery backup in accordance with local code requirements.
Figure 2.7 NFN Gateway Power Connection
Step 1. Connect the power supply to the gateway (Figure 2.7).
Step 2. After the power supply is connected, perform “NFN Gateway Cable Connections” on
page 24.
Table 2.1 Power Supply Specifications
TYPICAL MIN MAX
Input Voltage +24VDC +19VDC +29V
Input Current @ +24VDC 360 mA without NCM
450 mA with NCM
Output Voltage +5V +4.8V +5.2V
Output Current @ +24VDC 1.2 A
+5VDC Output
Earth
+24VDC Input
24VDC REF Input
Red wire
Black wire
To Gateway PC Board’s
HDD Power Connector
5V REF Output
P/N 75581
The Earth connector
MUST be connected
to earth ground.
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