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Verizon fios battery backup unit not working with a UPS

post #1 of 3
Thread Starter 
First off, the battery died in my fios BBU a while ago, so I've just had it plugged into my regular UPS.
So, it originally wasn't working with a line interactive simulated sine wave UPS, which isn't surprising since pretty much any UPS unit detects a stepped sine wave as bad power and switches over to battery power, but I just got a double conversion pure sine UPS, which means what the unit outputs while it's on mains vs on battery should be identical, but here's the thing, as soon as i flip the breaker to cut power to my apartment, the fios battery backup unit shuts off! Everything else stays on as expected.

Anyone have any idea what's up with this?

And just to eliminate the possibility of crappy equipment, this is top of the line enterprise grade equipment
http://www.cyberpowersystems.com/products/ups-systems/smart-app-ups/paragon-series/ol2200rtxl2u.html
The power that comes out of this while it's running on battery is cleaner than mains.
Edited by demoship - 11/5/15 at 2:09pm
post #2 of 3
You could always just replace the battery. It costs about 18 bucks and is a much cheaper, cleaner, and more sensible fix than fiddling with an external UPS to power an internal UPS which in turn powers your ONT.

As for why it isn't working correctly, my only guess is that the ONT is too sensitive for the tiny gap between mains failure and backup power (I know there shouldn't be one on a double conversion unit, but you know how manufacturers like to fudge facts for marketing).
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Arcane
(33 items)
 
Sanctum
(9 items)
 
Fukurou
(15 items)
 
CPUMotherboardGraphicsRAM
Ryzen 7 1700 MSI B350M Mortar Arctic RX Vega 64 G.Skill TridentZ  
Hard DriveHard DriveOSPower
Samsung EVO 960 Consatellation Windows 10 Pro Corsair HX 1050 
Case
Raijintek Aeneas White Window 
CPUMotherboardRAMHard Drive
Core i5-661 GA-H55-USB3 12GB DDR3 1333 WD Caviar Black AALS 640GB 
Hard DriveHard DriveOptical DriveCooling
WD Caviar Green EARS 2TB Vertex Turbo 60GB (SSD) Samsung Blu-ray, Samsung DVD Burner H50 (With push/pull nocturas) 
OSMonitorKeyboardPower
Windows 10 Professional 64 LG 47inch LED LCD Saitek Eclipse Lite-touch Wireless Seasonic X750 Gold 
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post #3 of 3
Thread Starter 
Quote:
Originally Posted by Zero4549 View Post

You could always just replace the battery. It costs about 18 bucks and is a much cheaper, cleaner, and more sensible fix than fiddling with an external UPS to power an internal UPS which in turn powers your ONT.

As for why it isn't working correctly, my only guess is that the ONT is too sensitive for the tiny gap between mains failure and backup power (I know there shouldn't be one on a double conversion unit, but you know how manufacturers like to fudge facts for marketing).

I already did order a new battery for 20 bucks. It still bothers me that it doesn't work properly though.

The thing is, the power coming out of the UPS unit already isn't mains. My mains voltage is 123.7 volts, the power coming out of the UPS is 120 volts, so it's already been altered. If anything I would think the fios BBU wouldn't accept this if it has an issue running when the UPS is on battery.

There also is no gap between mains being cut and backup power. There's a very distinctive click when a line interactive UPS is changing over which doesn't exist here, and again, this isn't a cheap unit made by an unknown manufacturer. I also do NOT have the settings that allow for a bypass enabled, so it's running in on-line mode 100% of the time which means no gap.
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