nanog mailing list archives
Re: Puerto Rico just lost internet?
From: Sean Donelan <sean () donelan com>
Date: Wed, 20 Sep 2017 16:36:53 -0400 (EDT)
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
Current thread:
- Puerto Rico just lost internet? Javier J (Sep 20)
- Re: Puerto Rico just lost internet? Daniel Brisson (Sep 20)
- Re: Puerto Rico just lost internet? Todd Underwood (Sep 20)
- Re: Puerto Rico just lost internet? Sean Donelan (Sep 20)
- Re: Puerto Rico just lost internet? Mehmet Akcin (Sep 20)
- Re: Puerto Rico just lost internet? Todd Underwood (Sep 20)
- Re: Puerto Rico just lost internet? Javier J (Sep 20)
- Re: Puerto Rico just lost internet? Sean Donelan (Sep 20)
- Re: Puerto Rico just lost internet? Javier J (Sep 20)
- Re: Puerto Rico just lost internet? Mehmet Akcin (Sep 21)
- Re: Puerto Rico just lost internet? Colin Johnston (Sep 21)
- Re: Puerto Rico just lost internet? Sean Donelan (Sep 21)
- Re: Puerto Rico just lost internet? Sean Donelan (Sep 21)
- Re: Puerto Rico just lost internet? Daniel Brisson (Sep 20)
- Re: Puerto Rico just lost internet? Jean-Francois Mezei (Sep 21)