Puerto Rico just lost internet?

Thu Sep 21 04:26:55 UTC 2017

Things are getting only worst so far - most of the island is offline - see
the screenshot or the link here live https://stat.ripe.net/PR#tabId=routing

On Wed, Sep 20, 2017 at 8:29 PM, Javier J <javier at advancedmachines.us>
wrote:

> Thank you for this info!
>
>
> I think most of us kind of know there are backup power strategies in place
> but this is very detailed and appreciated. The little communication I have
> had with family on the island they tell me no internet, no cable tv, etc so
> this timing is good to know for when the few cell towers that survived
> start to go dark.
>
> - J
>
>
>
> On Wed, Sep 20, 2017 at 4:36 PM, Sean Donelan <sean at donelan.com> wrote:
>
> > On Wed, 20 Sep 2017, Javier J wrote:
> >
> >> How long usually till generators at cell sites run out of juice?
> >>
> >
> > Rough, every provider is different, backup power hierarchy:
> >
> > Neighborhood pole boxes: 1-4 hours, batteries only. May be re-charged
> with
> > portable generators when safe to access area. There is likely severe
> > physical damage to neighborhood lines.
> >
> > Cell towers: 8-12 hours battery. Some, not all, towers have a natural gas
> > generator or 24 hours diesel generator
> >
> > Central offices and cable headends: 8-12 hours battery, 1-3 days diesel
> > generators. Core, tandem, and hub sites usually have more backup.
> >
> > Major colocation data centers: <1 hour battery, 3-14 days diesel
> generators
> >
> > Submarine cable landing points and satellite control stations: 24 hours
> > battery, 30 days diesel generators
> >
> >
>