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200 posts

Master Geek

#233431 16-Apr-2018 10:44
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Anybody know how long the battery in a VDSL cabinet is meant to last? A couple of weeks ago we had an all-day power outage - my UPS lasted several hours but the VDSL went dead after an hour. Then the day after the Auckland storm we had a half hour outage but the VDSL only lasted about 5-10 minutes. I think I'm on TBY/F.





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Uber Geek

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  #1996903 16-Apr-2018 11:06
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There are no SLAs on broadband so expecting battery backup is only part of the puzzle. What if the cable back to the exchange is cut. Or overhead cable is taken out. Or the cabinet gets destroyed by a falling tree.

It's all best efforts and if broadband is important having a business plan with adequate redundancy is required.


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  #1996905 16-Apr-2018 11:06
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Based on the experience in Canterbury a few years ago, the active cabinets generally have quite a limited battery life, but are equipped with external power sockets for portable generators. These worked well, but there was a constant need to refuel (ie loads of contractors racing around with fuel supplies). I believe generators with larger fuel tanks have been sourced, but no idea how and when these are deployed in power cuts. In Canterbury, some farmers actually ran the generators


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Uber Geek

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  #1996975 16-Apr-2018 12:47
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Mine ran for 28 hrs in the last storms


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