We either get pre-terminated Commscope cable from Best-tronics (just call them!) or Shireen hybrid cable from Streakwave, etc.
On Thu, Jun 20, 2019 at 4:06 PM Sterling Jacobson <[email protected]> wrote: > Awesome info, thanks!! > > > > Where are you getting the Shireen hybrid fiber cable and what is the part > number for that? > > > > Definitely need that. > > > > *From:* AF <[email protected]> *On Behalf Of * Josh Baird > *Sent:* Thursday, June 20, 2019 1:58 PM > *To:* AnimalFarm Microwave Users Group <[email protected]> > *Subject:* Re: [AFMUG] UPS and DC to DC conversion > > > > Our typical setup medium sized sites is: > > > > Traco TSP-360-148 (360W @ 48V) > > Traco TSP-BCM48A (we usually put a string of 4 12-33ah 12V batteries on > these) > > > > For very small sites, where we only need (or can fit) 1 12V battery, but > still require 48VDC, we do: > > > Meanwell SDR-240-48 > > Traco TSP-BCMU (good for ~220W, can output either 24VDC or 48VDC with a > single 12VDC battery.. we usually put a single 18-33ah battery on these) > > > > Voltage drop obviously depends on length of the run, but you should be > able to easily calculate that. We usually adjust our PSU's (at the bottom) > to ~54VDC and we typically see ~49-51VDC at the top. Yes, you can tweak > the output of both the Meanwell and the Traco to compensate for voltage > drop if needed. > > > > We use a Shireen hybrid fiber cable which has a 12AWG pair for DC. We use > these up to 200ft or so. > > > > On Thu, Jun 20, 2019 at 3:47 PM Sterling Jacobson <[email protected]> > wrote: > > So what’s the Traco parts list for that? > > > > I don’t do this stuff normally, so excited to get started and try it out. > > > > If I’m pushing 48v up top to a roof, what’s the voltage drop? > > > > I assume these DC units can somehow be tweaked so that output can > accommodate for voltage drop. > > > > What size wire is everyone using typically for this, usually 30-100 ft max > length? > > > > I’m assuming it’s something like 10 AWG? At 48v and 5A and 50’ is maybe > 47.5v at the end? > > So I would push 49 or 50v just to be safe? > > > > *From:* AF <[email protected]> *On Behalf Of *Josh Baird > *Sent:* Wednesday, June 19, 2019 8:19 AM > *To:* AnimalFarm Microwave Users Group <[email protected]> > *Subject:* Re: [AFMUG] UPS and DC to DC conversion > > > > FWIW - we have lots of EdgePoint S16's that are powered by Traco BCM/TSP > combos @ ~54V with no issues. > > > > I agree with others - your battery plant should be 48VDC. > > > > On Wed, Jun 19, 2019 at 10:15 AM Sterling Jacobson <[email protected]> > wrote: > > Yeah, I’ll probably just use 48v battery array in series and float higher. > > > > That particular device can do 48v, it just may shut down POE if it gets > lower than 48v. > > > > *From:* AF <[email protected]> *On Behalf Of *[email protected] > *Sent:* Wednesday, June 19, 2019 8:11 AM > *To:* AnimalFarm Microwave Users Group <[email protected]> > *Subject:* Re: [AFMUG] UPS and DC to DC conversion > > > > Why not run your system at 54 volts? If the radio freaks out above 54, > just set it at 54 and you should be fine. Battery strings don’t exceed the > float voltage of the rectifier. If you are worried about it float at 53.75 > volts. > > > > *From:* Sterling Jacobson > > *Sent:* Tuesday, June 18, 2019 11:19 PM > > *To:* AnimalFarm Microwave Users Group > > *Subject:* Re: [AFMUG] UPS and DC to DC conversion > > > > Having a hard time figuring out the exact part/price for something like > this. > > > > Which Meanwell part would take 48v and make it 50v or 54v 5A? > > > > *From:* AF <[email protected]> *On Behalf Of *Adam Moffett > *Sent:* Tuesday, June 18, 2019 10:21 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] UPS and DC to DC conversion > > > > That's weird to me. Any telecom equipment made for 48v I would have > assumed they intended it to be used with a rectifier, and consequently I > would assume it'd be ok up to at least 56v continuous; and maybe more like > 60-70v for a short duration. But yeah, DC-DC converter is the fix. > > On 6/18/2019 11:36 PM, Sean Heskett wrote: > > You need to use a DC-DC converter for sensitive equipment like that. > Meanwell has a good selection. > > > > On Tue, Jun 18, 2019 at 8:12 PM Sterling Jacobson <[email protected]> > wrote: > > Apparently the UBNT EP-S16 freaks out if it goes above 54v. > > Is there any way to assure it doesn’t float/charge above 54v, or maybe > even just 50v? > > > > *From:* AF <[email protected]> *On Behalf Of *TJ Trout > *Sent:* Tuesday, June 18, 2019 7:26 PM > *To:* AnimalFarm Microwave Users Group <[email protected]> > *Subject:* Re: [AFMUG] UPS and DC to DC conversion > > > > contact talley or tessco for a price, don't trust what you see on google, > it's like 50% less > > > > On Tue, Jun 18, 2019 at 6:25 PM TJ Trout <[email protected]> wrote: > > all 48v systems for battery power will float at 54v, it's also adjustable > via the battery chemistry > > > > On Tue, Jun 18, 2019 at 3:33 PM Sterling Jacobson <[email protected]> > wrote: > > Ok, cool. > > > > So can the 7bc2 be adjusted slightly to output 50v instead of just 48v? > > > > There will be some loss going 100’ or so, right? > > > > > > *From:* AF <[email protected]> *On Behalf Of *TJ Trout > *Sent:* Tuesday, June 18, 2019 4:23 PM > *To:* AnimalFarm Microwave Users Group <[email protected]> > *Subject:* Re: [AFMUG] UPS and DC to DC conversion > > > > 12-54v is inefficient, if you want 200ah of battery use 4x50ah batteries > for a 48v string > > ICT24048-7BC2 360W 54v AC-DC + LVD + Charger > ICT-TMP - Temp sensor for charge compensation if batt's outside > ICT-WMB - Wall mount bracket > SITE Monitor - Voltage monitoring > > Or > > Alternativly; > > 48v din mount PSU > 48v 'dc ups' to charge batt's and provide LVD > OR > 48v din 'dc ups' with integrated psu + lvd + charger (i.e. DIN-UPS 48-5 > cheaper options available) > > > > On Tue, Jun 18, 2019 at 2:50 PM Sterling Jacobson <[email protected]> > wrote: > > I’m trying to put a “box” system together for our house POP sites and need > help with the DIN stuff and UPS. > > > > Can you guys give me an idea or example of the following? > > > > I want to take standard AC 15A in from a breaker outside the box. > > And using maybe one or two 12v 105AH AGM batteries, supply 50v 6A up the > side of the house. > > > > I have never ordered DIN parts like this, guess I don’t have to use DIN, > but would be nice. > > > > Having a problem finding a DC to DC converter that takes 12v and > upconverts to 50v 5-6A. > > > > Is this the cost effective method? Something like this: > > > > Monitoring Sitemonitor Base Unit II SMON Base > II 1.00 > $100.00 $100.00 > > UPS Monitor Sitemonitor Int MorningStar MeterBus SMON > MorningStar 1.00 $60.00 $60.00 > > UPS Charge MorningStar Sunsaver > Dual > 1.00 $165.00 $165.00 > > Battery AGM Deep Cycle 105AH NPP > FT12-105AH > 2.00 $225.00 $450.00 > > DIN Parts like DC fuse/breakers and trunk > stuff > 1.00 $100.00 $100.00 > > DC 12v to 50v > 5A > 1.00 $150.00 $150.00 > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > > ------------------------------ > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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