Re: [AFMUG] UPS and DC to DC conversion

A little on the expensive side but has all you need: https://www.alpha.ca/solutions/solutions-alpha-catalog/standard-systems/dc-power-solutions/item/cordex-psu Gino Villarini Founder/President @gvillarini t: 787.273.4143 Ext. 204 m: [https://image.ibb.co/ctQ7jU/aeronet-logo.png]

Re: [AFMUG] GPON and DWDM on same fiber?

The MUX's I was looking at used two fibers.  Are there MUX's that use a single fiber? On 6/19/2019 2:40 AM, fiber...@mail.com wrote: Since you have two fibers, put your PON on one fiber and your DWDM on the other. Simpler and gives you separation between your consumer traffic and Ethernet ser

Re: [AFMUG] UPS and DC to DC conversion

Meanwell RSD-300C-48 makes a 48V output from any input from 33-62v. Up to 6A output. Maybe the Ubiquiti switch you mention is special in some way, but in my experience the 48v and 54v equipment are really the same thing. Voltage varies for any number of reasons, so the device should have an uppe

Re: [AFMUG] GPON and DWDM on same fiber?

> Sent: Wednesday, June 19, 2019 > From: "Adam Moffett" > To: af@af.afmug.com > Subject: Re: [AFMUG] GPON and DWDM on same fiber? > > The MUX's I was looking at used two fibers.  Are there MUX's that use a > single fiber? Yes. Select "Single fiber" in the "Line Type" dropdown if you use FS or

Re: [AFMUG] Tower rebuild

Sean, what do you find is the advantage of the CAT6-APC over the GIGE-APC-HV? From: AF On Behalf Of Sean Heskett Sent: Tuesday, June 18, 2019 4:13 PM To: AnimalFarm Microwave Users Group Subject: Re: [AFMUG] Tower rebuild Hi Eric, yes the new Cat6 gas tube version is what we use for 4

Re: [AFMUG] UPS and DC to DC conversion

Note that these are -48VDC (I say this because most WISP applications are +48VDC except for some licensed microwave typically). It's also de-rated @ 48V/110VAC. On Wed, Jun 19, 2019 at 4:16 AM Gino A. Villarini wrote: > A little on the expensive side but has all you need: > > > > > https://www

Re: [AFMUG] UPS and DC to DC conversion

You need 5 amps at 50 volts from a 12V supply? That's 250 watts. Asking for a 12V/20amp supply is asking a lot. bp On 6/18/2019 10:19 PM, Sterling Jacobson wrote: Having a hard time figuring out th

Re: [AFMUG] UPS and DC to DC conversion

Well it's Ubiquiti so... - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Adam Moffett" To: af@af.afmug.com Sent: Tuesday, June 18, 2019 11:20:44 PM Subject: Re: [AFMUG] UPS and DC to DC conversio

Re: [AFMUG] UPS and DC to DC conversion

Yeah, I would want to run the batteries at at least 24v (which is simple enough if you're using two 12v batteries anyway). Lots of different ways to do this... the simplest way would probably be Traco TSP-BCM48 paired with whatever 48v DIN rail power supply (there are several different options tha

Re: [AFMUG] UPS and DC to DC conversion

If you wanted to do it cheap, you could do it this way: Meanwell NDR-240-24 ~ $50 Meanwell DR-UPS40 ~$40 Meanwell DDR-240B-48 ~$80 2x 12v AGM batteries connected in series to the DR-UPS-40 But that's all only 240 watts (5 amps), if you really need 6A, you'd need to jump to a larger power supply,

Re: [AFMUG] Email Hosting

We host email, .25 per email account. Hit me offlist for details if interested. Layne Sisk ServerPlus 801.426.8283, ext 102 [New logo xl] [http://i.imgur.com/VOz763A.png] [http://i.imgur.com/xvQYYWa.png] [http://i.imgur.com/ELG0

Re: [AFMUG] UPS and DC to DC conversion

I forget, is this an existing already built site, or a new one you’re designing? I agree with Bill, anything over 50 to 100 watts I would be designing with a 48V battery string, which means 56 volts. If one odd piece of gear needs regulated 48V, or the opposite polarity from everything else, t

Re: [AFMUG] UPS and DC to DC conversion

That’s probably the way to go. My calculations come out to max 4.6A so it will probably work. And I site monitor setup to monitor it? From: AF On Behalf Of Mathew Howard Sent: Wednesday, June 19, 2019 7:43 AM To: AnimalFarm Microwave Users Group Subject: Re: [AFMUG] UPS and DC to DC conversion

Re: [AFMUG] UPS and DC to DC conversion

Yep, it sure should be able to survive 60 volts. Lead acid cells float at 2.25 VPC. 2.25 * 24 = 54 volts at room temp. (Some say 2.27, others at 2.3 which would make the string 55.2 volts) I have always used 54 to 55 as my rule of thumb for large stationary batts. Higher volts at cooler te

Re: [AFMUG] UPS and DC to DC conversion

Yeah, 40 to 56 should work for all 48 volt gear. Some of it may not like 40 but in my experience they will stay functional down to 44. From: Adam Moffett Sent: Wednesday, June 19, 2019 4:21 AM To: af@af.afmug.com Subject: Re: [AFMUG] UPS and DC to DC conversion Meanwell RSD-300C-48 makes a

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

Re: [AFMUG] Tower rebuild

It doesn’t mess up Cambium. Cambium can have frame check and crc errors with nothing more than plain cable. Adding solid state surge suppressors causes problems for some reasons. 100% gas discharge tube cures that. From: Ken Hohhof Sent: Wednesday, June 19, 2019 7:01 AM To: 'AnimalFarm Mic

Re: [AFMUG] UPS and DC to DC conversion

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 On Behalf Of ch...@wbmfg.com Sent: Wednesday, June 19, 2019 8:11 AM To: AnimalFarm Microwave Users Group Subject: Re: [AFM

Re: [AFMUG] GPON and DWDM on same fiber?

what is insertion loss on a Mux? On Wed, Jun 19, 2019 at 7:00 AM wrote: > > Sent: Wednesday, June 19, 2019 > > From: "Adam Moffett" > > To: af@af.afmug.com > > Subject: Re: [AFMUG] GPON and DWDM on same fiber? > > > > The MUX's I was looking at used two fibers. Are there MUX's that use a > > s

Re: [AFMUG] GPON and DWDM on same fiber?

Varies. Check the specs for the mux you're looking at. - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Kurt Fankhauser" To: "AnimalFarm Microwave Users Group" Sent: Wednesday, June 19, 2019 9:14:

Re: [AFMUG] GPON and DWDM on same fiber?

Depends on vendor but it isn’t bad like splitters. In the 5 dB range. From: Kurt Fankhauser Sent: Wednesday, June 19, 2019 8:14 AM To: AnimalFarm Microwave Users Group Subject: Re: [AFMUG] GPON and DWDM on same fiber? what is insertion loss on a Mux? On Wed, Jun 19, 2019 at 7:00 AM wrote:

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 wrote: > Yeah, I’ll probably just use 48v battery array in series and float higher.

Re: [AFMUG] Email Hosting

Maintaining mail servers isn't as difficult as dealing with the inability to troubleshoot and likelihood of getting caught up in blacklists that you have no control over. - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original

Re: [AFMUG] UPS and DC to DC conversion

You can always simplify your build by using a Triplite Charger / Inverter ! e.g. https://www.tripplite.com/1250w-powerverter-aps-12vdc-120v-inverter-charger-auto-transfer-switching-2-outlets~APS1250 Your parts list will be ….. Triplite Inverter/Charger (you can add the remote management

Re: [AFMUG] Tower rebuild

Strange, I have both 450i and 450m running gigabit with no errors. Using “Cambium sync” though. So basically you’re saying the GDT version is better for data integrity? And only for Cambium radios? What about surge protection, it looks like it clamps all 8 wires at 90V to ground, but d

Re: [AFMUG] Tower rebuild

It clamps differential via ground so at double the voltage. But they run clean with GDT and not solid state. From: Ken Hohhof Sent: Wednesday, June 19, 2019 10:02 AM To: 'AnimalFarm Microwave Users Group' Subject: Re: [AFMUG] Tower rebuild Strange, I have both 450i and 450m running gigabit wi

[AFMUG] When to consider 450M?

We have a site that has 3-4 fairly loaded ePMP 2K sectors (30 deg horns). There are a large number of customers in a single 90 degrees. While we could probably upgrade to ePMP 3K to get a bit of a boost, there is still a cost associated in replacing all the CPE to get the full benefit. At this po

Re: [AFMUG] When to consider 450M?

How many is a large number? You’ll probably gain more with 50 or 100 subs than you will with 10. And would you be switching over good, high modulation customers? My observation is get all your subs to 6X or 8X before putting them on a 450m. Also, hard to prove, but I think the antenna gai

Re: [AFMUG] When to consider 450M?

100-120 customers or so in the 90deg. For the most part, customers are decent, but some would need to be re-aligned most likely could probably find 40Mhz if needed. What is your go-to SM for 450M now? On Wed, Jun 19, 2019 at 12:44 PM Ken Hohhof wrote: > How many is a large number? You’ll prob

Re: [AFMUG] When to consider 450M?

Cambium doesn’t give you much choice: 450b mid or high gain. Yes there’s a 450i SM but it’s hideously expensive, needs 48V POE, and comes only in connectorized or an integrated panel that doesn’t have enough gain. The 450 and 450d SMs are discontinued, unless you’re shopping the used market.

Re: [AFMUG] RIP Tower History

I'm not sure who owns the land.  I'm guessing the tower was there before anything else was developed.  I just figured since it was a Fed tower, it was Fed land. On 6/18/2019 7:47 PM, Keefe John wrote: Who owned these two sites prior to demolition? Keefe On Tue, Jun 18, 2019 at 4:48 PM Nate B

Re: [AFMUG] RIP Tower History

It looks like yours was indeed owned by the FAA. https://www.dupageco.org/PropertyInformation.aspx?mobilpin=0433300012 - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Nate Burke" To: af@af.afmug.

Re: [AFMUG] RIP Tower History

I can only imagine the size of the concrete block underground.  I wonder if they're going to break that up, or just throw some dirt on top of it. On 6/19/2019 12:32 PM, Mike Hammett wrote: It looks like yours was indeed owned by the FAA. https://www.dupageco.org/PropertyInformation.aspx?mobilp

Re: [AFMUG] When to consider 450M?

We have over 100 450m’s deployed. Lots of dense towers. Fork lift upgrade of a Mikrotik network (still ongoing). Over 150 customers on over a dozen of the 450m’s, have had over 200 customers and it performed fine. 670Mbps aggregate capacity in 40Mhz channels If you have the customer density, the

Re: [AFMUG] Today’s quiz

4060 ohms? Al Rachide Pink Hill, NC Virus-free. www.avast.com

Re: [AFMUG] Today’s quiz

Is that first band grey or white? Makes more sense that it’s grey. 806 ohms 1%. From: AF On Behalf Of Albert J Rachide Sent: Wednesday, June 19, 2019 1:37 PM To: AnimalFarm Microwave Users Group Subject: Re: [AFMUG] Today’s quiz 4060 ohms? Al Rachide Pink Hill, NC

Re: [AFMUG] Today’s quiz

nope From: Albert J Rachide Sent: Wednesday, June 19, 2019 12:37 PM To: AnimalFarm Microwave Users Group Subject: Re: [AFMUG] Today’s quiz 4060 ohms? Al Rachide Pink Hill, NC Virus-free. www.avast.com On Wed, Jun 19, 2019 at 2:16 PM Chuck McCown wrote: What should the resistanc

Re: [AFMUG] Today’s quiz

Nope but closer... From: Ken Hohhof Sent: Wednesday, June 19, 2019 12:40 PM To: 'AnimalFarm Microwave Users Group' Subject: Re: [AFMUG] Today’s quiz Is that first band grey or white? Makes more sense that it’s grey. 806 ohms 1%. From: AF On Behalf Of Albert J Rachide Sent: Wednesday, Ju

Re: [AFMUG] When to consider 450M?

I think cust density is important here. A 450i will even get more subs than epmp ever thought due to protocol restrictions,processor and memory capacity. A 450m is great if you have 60+ subs on one AP. On 6/19/19 11:23 AM, Josh Baird wrote: We have a site that has 3-4 fairly loaded ePMP 2K se

Re: [AFMUG] Today’s quiz

looks like 102 ohms @ 2% but closer to 100 ohms On 6/19/19 2:55 PM, ch...@wbmfg.com wrote: Nope but closer... *From:* Ken Hohhof *Sent:* Wednesday, June 19, 2019 12:40 PM *To:* 'AnimalFarm Microwave Users Group' *Subject:* Re: [AFMUG] Today’s quiz Is that first band grey or white? Makes more se

Re: [AFMUG] When to consider 450M?

The biggest win in the 450M department is the vast improvement in the SNR incoming to the AP. bp On 6/19/2019 1:06 PM, dave wrote: I think cust density is important here. A 450i will even get more subs than epmp ever thought due to

Re: [AFMUG] Today’s quiz

No. Ken was closer. 802 something. From: dave Sent: Wednesday, June 19, 2019 2:10 PM To: af@af.afmug.com Subject: Re: [AFMUG] Today’s quiz looks like 102 ohms @ 2% but closer to 100 ohms On 6/19/19 2:55 PM, ch...@wbmfg.com wrote: Nope but closer... From: Ken Hohhof Sent: Wed

Re: [AFMUG] Today’s quiz

I'm color blind. I use a DVM. bp On 6/19/2019 11:15 AM, Chuck McCown wrote: What should the resistance be? Sent from my iPhone -- AF mailing list AF@af.afmug.com http://af.afmug.com/mailman/listin

Re: [AFMUG] Today’s quiz

906 1% -- Christopher Tyler MTCRE/MTCNA/MTCTCE/MTCWE Total Highspeed Internet Services 417.851.1107 ext 9002 - Original Message - From: ch...@wbmfg.com To: "AnimalFarm Microwave Users Group" Sent: Wednesday, June 19, 2019 3:15:38 PM Subject: Re: [AFMUG] Today’s quiz No. Ken was clos

Re: [AFMUG] Today’s quiz

or 106 10% -- Christopher Tyler MTCRE/MTCNA/MTCTCE/MTCWE Total Highspeed Internet Services 417.851.1107 ext 9002 - Original Message - From: "Christopher Tyler" To: "AnimalFarm Microwave Users Group" Sent: Wednesday, June 19, 2019 3:22:09 PM Subject: Re: [AFMUG] Today’s quiz 906 1%

Re: [AFMUG] Today’s quiz

Actually Ken got it right. My DVM was reading .802k and I had a brain fart thinking it was 802k and there was no way I could make 802K match the colors. Not sure why it cannot display 802 instead. Fluke. I even manually set the range and it just says over limit on the straight ohm setting.

[AFMUG] Proposed Licensed Link Potential Conflict

Hello, We have a SAF 80MHz 11GHz link between a couple of towers. There is a new PCN for a new 80MHz UBNT AF-11FX link that is at the same tower site as one of our ends. Their path would shoot through our tower at that site. There is 2.8MHz of separation between our channels and the polarity i

Re: [AFMUG] Proposed Licensed Link Potential Conflict

Matt, Send me the PCN and I’ll take a look at it and let you know. 2.8 MHz separation doesn't sound right at 11 GHz since there is no frequency plans that would give you that kind of separation. Thanks, Tim Hardy FYI, I was one of the three founders of Comsearch back in 1977 and retired in

Re: [AFMUG] Proposed Licensed Link Potential Conflict

Gheeze I remember using a dial up modem to download path profiles from Comsearch back in the 1980s I think. Print them out on a dot matrix printer. Prior to that I think they arrived via fax machine. A fax machine is a device that we used to use before civilization to help Nigerian princes a

Re: [AFMUG] Proposed Licensed Link Potential Conflict

Ha ha, we did have a profile plot for dot matrix - probably based on digitized data from 1:250,000 maps. We used to have a gigantic room full of tapes with this data and if you crossed a map boundary, it would require many tape mounts, etc. - the good old days, but that sure beat taping the ma

Re: [AFMUG] Proposed Licensed Link Potential Conflict

I have spent many hours laying on a tiled floor counting contour rings and transfering points to curved graph paper too... -Original Message- From: Tim Hardy Sent: Wednesday, June 19, 2019 5:50 PM To: AnimalFarm Microwave Users Group Subject: Re: [AFMUG] Proposed Licensed Link Potentia

Re: [AFMUG] 11 & 18 GHz

Gino - you're spot on here. SIAE is hosting a webinar this Friday, 6/21 @ 10:00am PDT to discuss this feature in our ALFOPlus80HDX (10Gbe e-band) and ALFOPlus2 (2 Gbe licensed microwave) products. Free to all. Interested? Here is the registration URL: https://register.gotowebinar.com/

Re: [AFMUG] RIP Tower History

We had american tower demo a perfectly good 250ft self supporter less than 20 years old. Took about 6 months after the last carrier left and one day I drove by and a crew had it half unstacked by crane. Looked like it was being cut up for scrap. I wish they would have put a for sale sign out front

Re: [AFMUG] Today’s quiz

The larger blank band separates the value from the accuracy band starts. As to what those colors actually are, well, I really couldn't tell. On Wed, Jun 19, 2019 at 3:26 PM wrote: > Actually Ken got it right. > My DVM was reading .802k and I had a brain fart thinking it was 802k and > there was

Re: [AFMUG] Today’s quiz

Interesting. I never noticed the spacing before. But I have always avoided precision resistors whenever possible too... From: Chuck Macenski Sent: Wednesday, June 19, 2019 7:53 PM To: AnimalFarm Microwave Users Group Subject: Re: [AFMUG] Today’s quiz The larger blank band separates the value

Re: [AFMUG] Today’s quiz

Whether it’s bands on resistors, or Cat5 wires, Asian manufacturers seem to have a problem with colors. Back in the old days when stuff was actually made in the U.S. of A., there was no confusing brown and orange, or white and grey, or blue and purple. But now all the colors are faded and a li

Re: [AFMUG] Today’s quiz

Back when I was doing lots of through hole products, I could read a resistor without thinking about it. I used to be pretty good at morse code too... From: Ken Hohhof Sent: Wednesday, June 19, 2019 8:27 PM To: 'AnimalFarm Microwave Users Group' Subject: Re: [AFMUG] Today’s quiz Whether it’s b

Re: [AFMUG] Today’s quiz

Most stuff has gone to SMDs and has numbers not color bands. From: AF On Behalf Of Chuck McCown Sent: Wednesday, June 19, 2019 9:32 PM To: 'AnimalFarm Microwave Users Group' Subject: Re: [AFMUG] Today’s quiz Back when I was doing lots of through hole products, I could read a resistor wit

Re: [AFMUG] Proposed Licensed Link Potential Conflict

Thank you Tim, I'll send it over to you. They are adjacent channels, I think maybe Micronet meant that because there was at least 2.8 MHz between the two that it should be OK. The emission designator 74M4D7D implies the AF-11FX actually occupies 74.4 MHz. I just get nervous sometimes about adjace