nanog mailing list archives
Re: home router battery backup
From: Jay Hennigan <jay () west net>
Date: Wed, 12 Jan 2022 18:35:20 -0800
On 1/12/22 09:35, Scott T Anderson via NANOG wrote:
Hi NANOG mailing list,I am a graduate student, currently conducting research on how power outages affect home Internet users. I know that the FCC has a regulation since 2015 (47 CFR Section 9.20) requiring ISPs to provide an option to voice customers to purchase a battery backup for emergency voice services during power outages. As this is only an option and only applies to customers who subscribe to voice services, I was wondering if anyone had any insights on the prevalence of battery backup for home modem/routers? I.e., what percentage of home users actually install a battery backup in their home modem/router or use an external UPS?
From what I've seen on the market, home router or "residential gateway" devices with built-in battery backup typically only provide backup for FXS style analog POTS services, not for data, wireless, etc.
So, if you both pay for your ISP's analog phone service and still own an analog phone, it will work for a while. Nothing else will. This assumes that your local cable company both has battery-backed trunk amplifiers and that they service the batteries regularly. Many don't.
It's an FCC requirement to provide the ability to make emergency voice calls during a local power outage. This is an attempt to emulate the "good old days" when twisted-pair phone service with central office battery was the norm.
Speaking for myself, my networking gear is UPS-backed and my house has a Generac auto-start generator and ATS.
Most of our customers don't back up their home network gear. If they do it's most often an under-desk style UPS with 15-minute runtime that hasn't been serviced in a decade. Its battery is very much dead and so swollen that it can't be replaced without the use of some serious prying tools.
-- Jay Hennigan - jay () west net Network Engineering - CCIE #7880 503 897-8550 - WB6RDV
Current thread:
- Re: home router battery backup, (continued)
- Re: home router battery backup Sabri Berisha (Jan 12)
- Re: home router battery backup Mike Hammett (Jan 12)
- Re: home router battery backup Keith Stokes (Jan 12)
- Re: home router battery backup Mark Tinka (Jan 12)
- Re: home router battery backup Andy Ringsmuth (Jan 12)
- Re: home router battery backup Mark Tinka (Jan 12)
- Re: home router battery backup Sabri Berisha (Jan 12)
- Re: home router battery backup Sean Donelan (Jan 12)
- Re: home router battery backup Mark Tinka (Jan 12)
- Re: home router battery backup Ryan Wilkins (Jan 12)
- Re: home router battery backup Justin Streiner (Jan 12)
- Re: home router battery backup Jay Hennigan (Jan 12)
- Re: home router battery backup Brandon Martin (Jan 12)
- Re: home router battery backup Chris Adams (Jan 13)
- Re: home router battery backup Jared Mauch (Jan 13)
- Re: home router battery backup Stephen Stuart (Jan 13)
- RE: home router battery backup Ryland Kremeier (Jan 13)
- Re: home router battery backup Dave Taht (Jan 13)
- RE: home router battery backup Ryland Kremeier (Jan 13)
- Re: home router battery backup Stephen Stuart (Jan 13)
- Re: home router battery backup Chris Adams (Jan 13)
- Re: home router battery backup Dave Taht (Jan 13)
- Re: home router battery backup Brandon Martin (Jan 12)