[sudo-discuss] front door computer offline (but working?)
hol at gaskill.com
hol at gaskill.com
Wed Sep 28 12:26:47 PDT 2016
One of these badboys is all we need assuming we can keep a lead acid
battery charged nearby
https://www.amazon.com/DROK-Converter-Step-down-Transformer-Regulator/dp/B00C66B3PM/
If there's already a wire nest we could also deadbug a TO-220 package
regulator into the fold.
On 2016-09-28 12:07, hol at gaskill.com wrote:
> What is the input voltage to the switch, 7.5V? I need to order some switching regulators, can get an extra one that meets power needs of switch if we want to run from lead acid battery. Alternately could boost from a regular USB battery bank that stays plugged into a wall wart to top off.
> On 2016-09-24 17:47, robb wrote:
>
> i think those (myself included) who want a dedicated line should run it at our earliest convenience
>
> as to the power, wouldn't a ups be nice for between the wall outlet & door system?
>
> On Sat, Sep 24, 2016 at 5:25 PM, Jake <jake at spaz.org> wrote:
> last week I power-cycled the front door beaglebone black and its ethernet interface started working again. Before I did that, the ethernet port was not getting a link at all, even when connected to a known good cable.
>
> After the power cycle, its ethernet worked, but since I had not power cycled the USB hub and magstripe reader, it was giving errors until i rebooted it, and then it worked properly.
>
> well i spoke too soon, it just came back online by itself.
>
> The front door computer has a battery backup so that it can keep working even if the rest of the world disappears. But we won't find out about it losing power unless it has a connection to the internet.
>
> presently it goes through at least one hub on the way back to the server area, and that hub does not have a battery backup, and apparently gets unplugged regularly.
>
> I still think we should have a dedicated CAT5 ethernet run from the front door to the server rack, since this is such important infrastructure.
>
> thank you
> -jake
>
> On Mon, 19 Sep 2016, Marc Juul wrote:
>
> Eh it's pretty far and going through a floor and the timeless infinite
> light room. Let's not run that again if we can help it. I'll go check on it
> in a bit. We could do a new run up to the public terminals and just join it
> to the existing wire from the doorputer to get a dedicated run.
>
> --
> marc/juul
>
> On Mon, Sep 19, 2016 at 8:02 PM, Jake <jake at spaz.org> wrote:
>
> the front door computer is still not on the network as far as i can tell.
>
> i haven't seen sudobot talk (in irc) about the front door since 9/13
>
> i'm assuming people are still able to use their cards to get in?
>
> we really need a dedicated CAT5 cable run from the front door computer to
> the server rack in sudoroom. No hubs or switches along the way.
>
> -jake
>
> On Sat, 17 Sep 2016, robb wrote:
>
> reseated ethernet connections
> the bbb's ethernet port leds blink
>
> i noticed the power cord is miserably connected to the wall & the ethernet
> run takes an unfortunate journey under the rug between sudo to stage door
>
> On Fri, Sep 16, 2016 at 1:35 PM, Jake <jake at spaz.org> wrote:
>
> the front door computer does not appear to be on the network.
>
> i'm guessing people are still using their cards to get in, but if there's
> a problem, for example if it gets unplugged from electricity and switches
> to battery backup, we will not be notified and will not know to send
> help.
>
> can someone take a look at the ethernet situation over there and see why
> it's not getting back to the main network?
>
> -jake
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