Installing the JWS-3 Printed Circuit Board
JWS-3 Embedded Installation
17
JWS-3 Installation and Operation Manual - P/N: 53550:Rev: A1 1/12/10
2.5 Installing the JWS-3 Printed Circuit Board
Install the JWS-3 printed circuit board onto the mounting studs on the CHS-4L chassis, making
sure to use only the mounting holes bordered by grounding area.
Figure 2.4 Install JWS-3 Printed Circuit Board onto Chassis
2.5.1 JWS-3
Power Supply Connection
The JWS-3 re24VDC @450mA nominal and supervised battery backup in accordance with
local code requirements. Outside Canada, the JWS-3 can be powered by any regulated, UL 1481
listed, power limited, battery backed, +24 VDC power supply. For Canadian installation, The JWS-
3 must be powered by a ULC listed Fire Alarm Control Unit or a ULC listed power supply for fire
application. Conform to UL or ULC standards as applicable in your area.
Grounding area
NOTE:
There must be enough clearance on the right side of the printed circuit board to allow an
Ethernet cable to be connected to the Ethernet port.
Table 2.1 Power Supply Specifications
NOMINAL
Input Voltage
+24VDC
Input Current @ +24VDC
450 mA without NCM or HS-NCM
Содержание JWS-3
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