D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless – Coverage
Date: 17-Jan-16
www.cobham.com/wireless
Doc. No.00060CDUM Rev. 1.1 Page | 27
3.4.4 Connecting Power and Power-Up
CAUTION!!
• DO NOT POWER-ON the Signal Booster without either the antennas being connected or the
antenna connections terminated with dummy loads.
• This equipment can either be installed indoors or outdoors. When installing OUTDOORS, wet
conditions increase the potential for electric shock when installing or using electrically powered
equipment. To prevent electrical shock when installing or modifying the system power wiring,
disconnect the power source before working with uninsulated wires or terminals.
The Signal Booster operates from a 48VDC power source – either UPS or Battery Charger (ordered
separately).
NOTE: The AC Feeder Battery Charger installation and connections are described in Chapter-4.
To connect the power
1. For installations with UPS:
• Verify the UPS is set up.
• Connect 48VDC from the UPS or AC to DC converter (depending on the installation)
to the Booster Power Connector
2. For installations with the Battery Charger:
• Verify the Charger is installed properly – refer to Chapter-4 for the Charger
installation and connections.
• Connect the Battery Charger 48VDC output to Booster power connector.
3. Power-ON.
NOTE: During the Power Up process the CPU requires approximately four minutes to boot up.
Figure 3-19. D-MBR PS NFPA Power Connections
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