Agreed, however the Netonix has really helped with that issue. It takes 24V in and runs both the 24V and 48V equipment. The Mikrotik 3011 routers and some Ubiquitis that we run from the cabinet for relays to host houses, etc. still require that 24V source. If you are going to do a Netonix anyway, we haven’t found a reason to move away from 24V. It does require fewer 12V batteries then, which saves some space as well, makes things a little less complicated there.
All that being said, I could see a day in the not too distant future when the DC plant is all 48V. In our larger sites, this cabinet is running 3 backhaul radios, two access points and one or more relay radios for on property access by hosts. Those Netonix are really valuable to do POE insertion for all that stuff. Regards, David Coudron From: Af [mailto:af-boun...@afmug.com] On Behalf Of Josh Baird Sent: Monday, January 29, 2018 9:32 AM To: af@afmug.com Subject: Re: [AFMUG] Dc plant conversion 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<mailto: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<mailto:david.coud...@advantenon.com>> To: "af@afmug.com<mailto:af@afmug.com>" <af@afmug.com<mailto: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<mailto:af-boun...@afmug.com>] On Behalf Of Carl Peterson Sent: Saturday, January 27, 2018 5:39 PM To: af@afmug.com<mailto: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<mailto: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<mailto:g...@aeronetpr.com>> wrote: Used to, now with the IDC model is not needed (isolated dc)… From: Af <af-boun...@afmug.com<mailto:af-boun...@afmug.com>> on behalf of Josh Baird <joshba...@gmail.com<mailto:joshba...@gmail.com>> Reply-To: "af@afmug.com<mailto:af@afmug.com>" <af@afmug.com<mailto:af@afmug.com>> Date: Saturday, January 27, 2018 at 1:51 PM To: "af@afmug.com<mailto:af@afmug.com>" <af@afmug.com<mailto: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<mailto: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<mailto:af-boun...@afmug.com>> on behalf of Steve Jones <thatoneguyst...@gmail.com<mailto:thatoneguyst...@gmail.com>> Reply-To: "af@afmug.com<mailto:af@afmug.com>" <af@afmug.com<mailto:af@afmug.com>> Date: Friday, January 26, 2018 at 9:49 PM To: "af@afmug.com<mailto:af@afmug.com>" <af@afmug.com<mailto: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.
