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© 2010 CyberPower Systems (USA), Inc. All Trademarks are property of their owners.
Page: 3 of 17
1 PRODUCT INTRODUCTION
1.1 General Description
The CS150U48V3 battery backup unit is designed to serve up to two MDU ONTs (Optical Network
Terminal for Multi-Dwelling Use) and can be installed indoors or outdoors. Generally, the product
includes the following features:
• Universal input voltage 100 - 240V
• Up to 150W power output (48VDC)
• Microprocessor-based intelligent control
• Two battery strings (4 or 8 batteries) plus two sets of outputs provide four backup options to meet
customers’ different needs
• Communication interface to provide status updates to the ONT and customer
• PFC (Power Factor Correction) Functionality
• Optional pole mount kit
• Optional battery heater to provide wider temperature range for UPS operation
2 IMPORTANT SAFETY NOTES
• ONLY qualified installation and repair personnel should service this power supply.
• SAVE THESE INSTRUCTIONS - This manual contains important instructions for the CS150U48V3
units that should be followed during installation and maintenance.
• Verify the supplied AC line voltage prior to installation using an AC voltage meter.
• Verify branch circuit breaker or fuse on the service feed is correct for the equipment being installed.
• Batteries may produce hazardous currents and may present a burn hazard if damaged or shorted.
• The following precautions should be observed when working on the unit:
– Remove watches, rings, or other metal objects.
– Wear protective clothing and eye protection when working with batteries and installing this
equipment.
– Always carry a water supply to wash eyes and/or skin if exposed to battery electrolyte. Use tools
with insulated handles.
– Examine the packing container for damage. Notify the carrier immediately if damage is present.
– Do not disassemble the unit.
– Do not operate near water or excessive humidity.
– Keep liquid and foreign objects from getting inside the unit.
– Do not operate close to gas or fire.
– Do not operate unit near leaking liquid or if any liquid residue is present.
– Immediately unplug Power Supply from AC if you see liquid leaking.
2.1 Electrical Warnings
• Servicing this equipment may require working with protective covers removed and utility power
connected. Use extreme caution during these procedures.
• Check that the power cord(s), plug(s), and outlets are in good condition.