home router battery backup

Mon Jan 17 19:40:54 UTC 2022

As one of those Telco/ISP's, it's growing more and more likely that
DSL/POTS are now on the same card and they are all tied into the 48V
battery and generator protected plant. And Alpha Electronics is probably
selling a lot of those Power over Copper systems for powering remote Calix
E3-12C and E3-48 DSLAMs (as well as their competitor's equivalents), as
well as powering the ONT in any building with more than one dwelling unit
connected to it.

BTW, Calix ONTs default to "Disable on battery = on" for the GigE ports -
it's checkbox in the config to turn that off so they stay up when the power
is out. Which we do uncheck. Particularly since we've going increasingly
VOIP and our employees can connect remotely. Sadly, I suspect that trying
to get a major telco to go in and uncheck that box for you would be the
equivalent to talking to a wall.

As to the original poster's request, after wildfires, ice storms, and wind
storms of the past year and a half, and lumberjacks clearing trees damaged
by those events and dropping them on the power lines since then, more and
more of our customers are investing in backup power solutions, even if it
is just a UPS to level out the brownouts. But it still is probably not a
significant percentage of the total.

On Thu, Jan 13, 2022 at 2:08 PM Michael Thomas <mike at mtcc.com> wrote:

>
> On 1/12/22 3:11 PM, Scott T Anderson via NANOG wrote:
>
> Hi everyone,
>
>
>
> Thanks very much for all the responses throughout the day. They are very
> helpful. Your (collective) answers triggered a couple follow-on questions:
>
>
>
> For those individuals with backup battery power for their modem/router, do
> they maintain Internet access throughout a power outage (as long as their
> backup power solution works)? I.e., does the rest of the ISP network
> maintain service throughout a power outage?
>
> For my ISP, they maintain backup power for both DSL and POTS. I suspect
> that for a lot of DSL that would hold true because it's relatively easy for
> them to power since they already have the battery backup requirements for
> POTS. The setup they have here is a DSLAM and SIP->POTS termination in a
> pedestal with fiber backhaul. They use the old copper that used to go back
> to the CO to power the pedestal.
>
> Mike
>
>

-- 
Jeff Shultz

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