[sudo-discuss] pair programming station and UPSs

robb sf99er at gmail.com
Thu Oct 27 19:32:38 PDT 2016


the ups on the "pair-programming" station has been beeping so often lately
that i just left it off instead of resetting it the last time.

On Thu, Oct 27, 2016 at 5:20 PM, Jake <jake at spaz.org> wrote:

> by "jake's co-working station" robb means "the pair-programming station"
> which is a desk on wheels with two monitors, two keyboards, and two
> computers arranged symmetrically so that two people can use the same
> computer.
>
> https://sudoroom.org/wiki/
>
> there are three UPS at the pair programming station.  One is the one that
> the station is plugged into, which does not have a USB port, just the weird
> DE9F socket that may have this pinout:
> http://www.diger-mobile.narod.ru/pic/apc_conn.gif
> or this:
> http://www.junradio.com/mid/UPS/image003.gif
>
> there's another large UPS on the floor which got rained on and stopped
> working, which is unfortunate because it has USB and i actually had it
> working on a rooftop system, protecting that system from unexpected power
> failures (it would safely shut down when power went out, and turned back on
> when power returned) but maybe it could be fixed
>
> and the third UPS is a weird 12v thing like this:
> https://www.amazon.com/Belkin-Battery-Backup-Supply-BU3DC000/dp/B004RRX1CG
> http://cache-www.belkin.com/support/dl/p75319-b-bu3dc000-12v.pdf
>
> it doesn't have any alarm outputs (unless you count the LEDs) but since it
> serves the DC output directly, we can monitor battery voltage the same way
> it's done at the front door computer - that is, it's 13.7VDC when AC is
> present but it will go down if the power fails.
>
> -jake
>
> On Thu, 27 Oct 2016, robb wrote:
>
> there's a working 12v ups by jake's co-working station
>>
>> is ccl onboard with locking the door?
>>
>> On Thu, Oct 27, 2016 at 3:43 AM, Marc Juul <juul at labitat.dk> wrote:
>>
>>> We definitely want a door. I have all the stuff for it ready to go. Got
>>> delayed because the RFID readers i ordered from china was defective.
>>>
>>> The door to stage and basement can be default locked with only a few
>>> people having keys (for now, we can RFID them later if needed). They are
>>> not fire doors.
>>>
>>> The door near the bathroom needs a panic bar and an electric strike and
>>> an
>>> RFID reader and magnetic card reader and a beagle bone black and a
>>> battery
>>> backup and a box to mount it on the wall. We have all of this. Some minor
>>> woodworking will be necessary to install the electric strike.
>>>
>>> I haven't tested the new shipment of RFID readers yet.
>>>
>>> --
>>> marc/juul
>>>
>>> _______________________________________________
>>> sudo-discuss mailing list
>>> sudo-discuss at lists.sudoroom.org
>>> https://sudoroom.org/lists/listinfo/sudo-discuss
>>>
>>>
>>>
>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://sudoroom.org/pipermail/sudo-discuss/attachments/20161027/515c9879/attachment.html>


More information about the sudo-discuss mailing list