Starlink has bufferbloat. Bad.
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From: Mike Puchol <mike@starlink.sx>
To: Bruce Perens <bruce@perens.com>,
	Jonathan Bennett <jonathanbennett@hackaday.com>
Cc: starlink@lists.bufferbloat.net
Subject: Re: [Starlink] Electric power for Dishy
Date: Tue, 19 Apr 2022 07:42:25 +0400	[thread overview]
Message-ID: <c9dd3852-47b3-478e-a4dd-fbf99e840c93@Spark> (raw)
In-Reply-To: <CAHtUBuhFDNuZ1VqcC9Fqpp0E1ayQo7-_Vt5a9sDpje_XXkvt6g@mail.gmail.com>


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Here is what I (tentatively) call the LeoBox, which I use for testing a Starlink terminal. It features a boost converter that takes 24V to 56V, then delivers it via a Tycon injector. The punch line on power is that during boot, it can draw up to 210W for 2-5 seconds. If your source or boost converter cannot take the amperage, and it climbs really quick from 12-14W, you get into a reboot cycle. After that, with no traffic it will sit at 30-50W, with heavy loads it will climb to 80W. I have condensed a 1 hour drive test into 15 minutes here: https://www.youtube.com/watch?v=UExU-_VHWjA

This is a Gen2 terminal, ie round with fewer RF controllers/drivers.

Best,

Mike
On Apr 19, 2022, 04:45 +0400, Jonathan Bennett <jonathanbennett@hackaday.com>, wrote:
> The proprietary cable is just cat6 twisted pair inside, running standard Ethernet. What I'm not certain of is whether the PoE is the same between units. My Dishy is round, so I can't test to confirm. I suspect it's essentially the same proprietary PoE setup, but don't have a source to confirm. Keep us posted on what you choose and how well it works
>
> > On Mon, Apr 18, 2022, 7:33 PM Bruce Perens <bruce@perens.com> wrote:
> > > The hacks seem to have been for circular Dishy. This link provides a path that might work to bring out the power leads for rectangular Dishy, but unfortunately they did not just make it possible to plug POE in. https://olegkutkov.me/2022/03/07/reverse-engineering-of-the-starlink-ethernet-adapter/
> > >
> > >     Thanks
> > >
> > >     Bruce
> > >
> > > > On Mon, Apr 18, 2022 at 5:13 PM Jonathan Bennett <jonathanbennett@hackaday.com> wrote:
> > > > > There's a post on Reddit describing a custom solution: https://www.reddit.com/r/Starlink/comments/sb4dei/homebrew_poeethernet_adapter_for_rectangle/
> > >
> _______________________________________________
> Starlink mailing list
> Starlink@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/starlink

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      reply	other threads:[~2022-04-19  3:43 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-17  1:39 [Starlink] an rtt_fair test? Dave Taht
2022-04-17 14:35 ` jordan
2022-04-17 14:56   ` Dave Taht
2022-04-17 15:36     ` jordan
2022-04-17 16:54       ` [Starlink] [Bloat] " Daniel Sterling
2022-04-18  0:22       ` [Starlink] " Dave Taht
2022-04-19  0:06         ` [Starlink] Electric power for Dishy Bruce Perens
2022-04-19  0:09           ` David Lang
2022-04-19  0:13             ` Jonathan Bennett
2022-04-19  0:33               ` Bruce Perens
2022-04-19  0:42                 ` Bruce Perens
2022-04-19  0:45                 ` Jonathan Bennett
2022-04-19  3:42                   ` Mike Puchol [this message]

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