Yeah - the lack of a 48VDC UPS from Meanwell is annoying.  For small-ish
sites, we have been running a Meanwell/Traco hybrid using the SDR-240-48
and a Traco TSP-BCM48A or BCMU360.

On Mon, Jan 29, 2018 at 10:29 AM, Adam Moffett <dmmoff...@gmail.com> wrote:

> There's a lot to like about that setup.  The DR-UPS can do 40amp on 24v,
> so your upper limit is almost 1kW.  Just drive it with a bigger 24v supply
> as needed.
>
> What has held me back from that in the past is the DR-UPS is not available
> in 48v, and the biggest power consumers I have are 48V.  I went to Traco to
> stay 48V.  OTOH your rig is so much cheaper than Traco that adding an
> RSD-300B-48 for another $100 is not a bad deal.
>
>
> ------ Original Message ------
> From: "David Coudron" <david.coud...@advantenon.com>
> To: "af@afmug.com" <af@afmug.com>
> Sent: 1/28/2018 10:39:56 PM
> Subject: Re: [AFMUG] Dc plant conversion
>
> Here is what we are doing, I think this is close to what Steve is asking
> for:
>
>
>
> Meanwell SDR-240-24 AC to DC power source:  $84
>
> Meanwell DR-UPS40 Battery Float/UPS:  $37
>
> Tycon TPDIN MonitorWeb2:  $131
>
> 24 V of battery backup $70-120 depending on the runtime looking for
>
> Netonix 150 W or 250 DC switch:   $250-350  (This is really the only
> expensive component)
>
> Heater:   $65
>
> Fan:  $14
>
>
>
> With this, we can run 5-8 hours on very small batteries, we figure we have
> several hours to get a generator to the site if power isn’t coming back.
> We run all POE from the Netonix, it works really well.   Here are the other
> things we can do with the box:
>
>    1. Monitor temp in the cabinet
>    2. Monitor/alert on loss of AC line power through TP DIN
>    3. Monitor voltage of the batteries
>    4. Monitor voltage to the Netonix
>    5. Monitor Current to the Netonix
>    6. Monitor Current in/out of the batteries
>    7. Auto start the heater below 40 degrees
>    8. Auto start the fan above 80 degrees
>    9. Power cycle the netonix from the TP DIN
>    10. Power cycle any AP, Router, Backhaul from the Netonix
>
>
>
> We also put a Mikrotik router in this cabinet.   Usually a Hex POE (for
> small sites) or a 3011 for larger sites.
>
>
>
> We have 13 in the field set up like this and are going 15 more right
> now.   While it might be a little more than what you were thinking, it
> gives us a ton of control for pretty minimal investment per site.
>
>
>
> Best part is, no coding necessary.  Doing all this with the Monitor Web2
> settings and/or SNMP.    Let me know if you are interested in pictures.
> For this second batch we have started using Terminal blocks to clean up the
> wiring, the cabinets look a little better, but we went to a smaller poly
> cabinet that makes things a little tight.
>
>
>
> Regards,
>
>
>
> David Coudron
>
>
>
> *From:* Af [mailto:af-boun...@afmug.com] *On Behalf Of *Carl Peterson
> *Sent:* Saturday, January 27, 2018 5:39 PM
> *To:* af@afmug.com
> *Subject:* Re: [AFMUG] Dc plant conversion
>
>
>
> You can still do DC-DC off it and then hook up netonix.  If I had to do it
> now I'd go with the IDC switch.  When we did our design, the idc didn't
> exist so we just went down to 24V off of our A  and B sides and run a
> redundant powered 24V bus which all the netonix switches run on.
>
>
>
> I better buy up another batch of Elteks before all y'all buy them all up.
> These are mostly decommissioned Sprint/Clearwire btw.
>
>
> On Jan 27, 2018, at 1:02 PM, Josh Baird <joshba...@gmail.com> wrote:
>
> A 12 port version would be nice.  Looks like the 26 port version is $600.
>
>
>
> On Sat, Jan 27, 2018 at 12:59 PM, Gino A. Villarini <g...@aeronetpr.com>
> wrote:
>
> Used to, now with the IDC model is not needed (isolated dc)…
>
>
>
> *From: *Af <af-boun...@afmug.com> on behalf of Josh Baird <
> joshba...@gmail.com>
> *Reply-To: *"af@afmug.com" <af@afmug.com>
> *Date: *Saturday, January 27, 2018 at 1:51 PM
> *To: *"af@afmug.com" <af@afmug.com>
> *Subject: *Re: [AFMUG] Dc plant conversion
>
>
>
> Which Netonix are you running at - 48V?  Or are you using an isolated
> DC/DC converter in between the -48V rectifier and Netonix?
>
>
>
> On Sat, Jan 27, 2018 at 12:49 PM, Gino A. Villarini <g...@aeronetpr.com>
> wrote:
>
> Refurb/ used Eltek/Valere –48 Rectifier shelf off Ebay  ~$400 + 1 Netonix
> IDC Switch $400… all done. You can power 90% of WISP gear
>
>
>
> *From: *Af <af-boun...@afmug.com> on behalf of Steve Jones <
> thatoneguyst...@gmail.com>
> *Reply-To: *"af@afmug.com" <af@afmug.com>
> *Date: *Friday, January 26, 2018 at 9:49 PM
> *To: *"af@afmug.com" <af@afmug.com>
> *Subject: *[AFMUG] Dc plant conversion
>
>
>
> Any of you folks who know both dc plant and even more know small wisp
> budget interested in looking at our gear and power setup and giving
> realistic advice that doesnt have a 10 different 500 dollar components
> combined with a full time linux guy and a full time coder?
>
>
>
> Id love you to do it out of the kindness of your heart, but i do have some
> advisory busget.
>
>
>
> Im just tired of the apc ups waste and super ghetto runtimes on batteries
> coupled with having to accept we are destroying runtimes by letting the
> apcs die..... please, somebody, please. Otherwise i have to go to the
> facebook groups, and thats like going to a mikrotik or ubnt forum.
>
>
>
>
>
>

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