Browse FAQs

Why are the Overload and On-Line LEDs flashing on my APC Back-UPS?
Back-UPS CS, Back-UPS PRO, Back-UPS USB , Back-UPS LS, Back-UPS NS/XS ...
Why might the LEDs on my Back-UPS or Smart-UPS SC be flashing?
Back-UPS Pro, Back-UPS USB , Back-UPS LS, Back-UPS CS, Back-UPS NS/XS ...
Configuration of an APC USB UPS and Multiple USB Devices
Product Line: Back-UPS and Back-UPS PRO
Communication is Interrupted to USB Devices
Product Line: Back-UPS , Back-UPS PRO, Back-UPS ES,
Back-UPS is detected as an ""Unknown Device"" in Device Manger
Towards the bottom, you should see, "" Universal Serial Bus controllers"" ... and "" USB Root Hub"".
Why is my Mac OS not a supported system for PowerChute Personal Edition v3.1?
Environment: Mac OS X attached to APC Back-UPS via USB cable
Native serial shutdown on Microsoft Windows OS
For Back-UPS use USB or if the Back-UPS is compatible with serial communications use USB to Serial converter.
How to verify APC UPS is communicating over USB with Mac OS X
Product Line: All USB enabled Smart-UPS and Back-UPS

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