[AusNOG] NBN FttN Power Resilience

Jennifer Sims jsims at pingco.com.au
Tue Nov 17 16:49:19 EST 2020

It will really hinge on where the node is.

Most nodes only run on basic battery back up that’s only designed to last a little while, not designed to outlast significant outages.

If the node itself sits in an exchange, then it might be a bit more protected but I highly doubt it.

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Jennifer Sims
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NOC Engineer
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From: AusNOG <ausnog-bounces at lists.ausnog.net> On Behalf Of Phillip Smith
Sent: Tuesday, 17 November 2020 4:46 PM
To: ausnog at lists.ausnog.net
Subject: Re: [AusNOG] NBN FttN Power Resilience

Hi all,

Does anyone have any current information on how resilient the FttN is to power outages? NBNco outright denies it will work during an outage [1], but that's not the evidence I'm seeing.

SP AusNet is getting worse and worse with power supply, so we recently installed a whole-home backup generator. We had an ~20 hour outage yesterday. We retained connectivity for almost 12 hours; I saw a generator being connected at the local exchange not long after and we were back online again after ~2 hours, and stayed online since (including another ~5 hours without mains power).

I would install a 4G failover/backup, but when the power goes out and everyone's WiFi goes off, the mobile network gets overloaded - we can barely make phone calls, let alone use data.... So I'm kinda SOL :(

(If it's relevant, we're in the Yarra Valley area)


[1] https://www.nbnco.com.au/learn/what-happens-in-a-power-blackout
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