Re: [AFMUG] FSK power problem?

Thu, 10 Mar 2016 16:35:47 -0800

At one time, there was a roadmap slide that stated 48V support for the 450 AP. Long, long before the 450i was ever mentioned. So I wonder if the hardware supports 22-56V, but they tell us that it's just the 29.5 standard.
Matt, Aaron, someone.. what's the deal? If the regular 450 AP will indeed run fine at 48-56V, that would really simplify a lot. Like I can downsize some DC-DC converters. 

On 3/10/2016 1:38 PM, Josh Baird wrote:

Good point.  We don't use hardly any 450.. but the spec sheet does 
indeed say 22-32VDC.



On Thu, Mar 10, 2016 at 2:20 PM, George Skorup <[email protected] 
<mailto:[email protected]>> wrote:


    So if I'm reading this correctly... regular 450 APs are being
    powered and running happily at 48VDC? That's funny because they're
    also supposed to be 30VDC max.

    On 3/10/2016 11:45 AM, Scott Vander Dussen wrote:

    You know what's funny is we did... But every time we tested we
    happened to grab 450 since that's almost exclusively what were
    installing now. One time one of the techs put a FSK SM on it and
    it died- he mentioned it in passing but we chalked it up to bad
    FSK taken from our graveyard bin on pulls. ��

    Thanks,
    `S

    ---
    Sent mobile, typed by thumbs.

    On Mar 10, 2016, at 09:34, Josh Luthman
    <[email protected]
    <mailto:[email protected]>> wrote:


    That's awesome.  Glad it's not too bad.

    Next time lab it :)

    Josh Luthman
    Office: 937-552-2340 <tel:937-552-2340>
    Direct: 937-552-2343 <tel:937-552-2343>
    1100 Wayne St
    Suite 1337
    Troy, OH 45373

    On Mar 10, 2016 12:31 PM, "Scott Vander Dussen"
    <[email protected] <mailto:[email protected]>> wrote:

        As an update, we scrounged up 4 connectorized APs of our own
        and Bill Prince has 2 which I'm driving out to go get.  Paul
        McCall is also connectorized and shipping me some for
        spares.  Love this list, thanks guys!  We'll have 80% of the
        customers restored within 90 minutes, the rest this afternoon.

        Whew, fun morning.


        -----Original Message-----
        From: Af [mailto:[email protected]
        <mailto:[email protected]>] On Behalf Of Chuck McCown
        Sent: Thursday, March 10, 2016 8:07 AM
        To: [email protected] <mailto:[email protected]>
        Subject: Re: [AFMUG] FSK power problem?

        Or, if Cambium was nice, they could give you code to convert
        an SM into an AP.

        -----Original Message-----
        From: Chuck McCown
        Sent: Thursday, March 10, 2016 9:05 AM
        To: [email protected] <mailto:[email protected]>
        Subject: Re: [AFMUG] FSK power problem?

        If you are good with an iron, you could remove the regulator
        chip from an SM and replace it into the AP (assuming it is
        the regulator that dies from overvoltage).

        -----Original Message-----
        From: Chuck McCown
        Sent: Thursday, March 10, 2016 9:05 AM
        To: [email protected] <mailto:[email protected]>
        Subject: Re: [AFMUG] FSK power problem?

        He might could do an advance replacement...

        -----Original Message-----
        From: Chuck McCown
        Sent: Thursday, March 10, 2016 9:04 AM
        To: [email protected] <mailto:[email protected]>
        Subject: Re: [AFMUG] FSK power problem?

        Paul McCall can probably fix those APs.

        -----Original Message-----
        From: Christopher Tyler
        Sent: Thursday, March 10, 2016 9:03 AM
        To: [email protected] <mailto:[email protected]>
        Subject: Re: [AFMUG] FSK power problem?

        Live an learn. At least you'll never do it again (hopefully).

        --
        Christopher Tyler
        MTCRE/MTCNA/MTCTCE/MTCWE
        Total Highspeed Internet Services
        417.851.1107 <tel:417.851.1107>

        ----- Original Message -----
        From: "Chuck McCown" <[email protected] <mailto:[email protected]>>
        To: [email protected] <mailto:[email protected]>
        Sent: Thursday, March 10, 2016 10:02:07 AM
        Subject: Re: [AFMUG] FSK power problem?

        We all just shed a collective tear...

        At least tomorrow is Friday, right?
        Spring his here!
        Jaime is bound to put some photos of good food on the list.
        Plenty of reasons to continue to live Scott.

        From: Scott Vander Dussen
        Sent: Thursday, March 10, 2016 8:58 AM
        To: [email protected] <mailto:[email protected]>
        Subject: Re: [AFMUG] FSK power problem?

        Oh wow, that’s fairly misleading.  So I just smoked a ring
        of FSK.



        From: Af [mailto:[email protected]
        <mailto:[email protected]>] On Behalf Of Josh Baird
        Sent: Thursday, March 10, 2016 7:56 AM
        To: [email protected] <mailto:[email protected]>
        Subject: Re: [AFMUG] FSK power problem?



        Yeah, the SI's take up to ~60V, but they output what you
        feed them.  If you feed them 48V, they output 48V.  They do
        not have internal DC/DC converters unless I completely
        missed a new product announcement from Forrest (but, I don't
        see this product on the website).



        On Thu, Mar 10, 2016 at 10:55 AM, Scott Vander Dussen
        <[email protected] <mailto:[email protected]>>
        wrote:



          Thanks,

          `S



          ---

          Sent mobile, typed by thumbs.


          On Mar 10, 2016, at 07:53, Josh Baird <[email protected]
        <mailto:[email protected]>> wrote:

            I haven't heard of this magical SyncInjector with a
        built in DC-DC converter that you speak of!



            On Thu, Mar 10, 2016 at 10:48 AM, Scott Vander Dussen
        <[email protected] <mailto:[email protected]>> wrote:

              Yes, but we're using SyncInjector version IO which
        allows 24-56VDC input and regulates that back down to 24VDC
        for the radios.

              -----Original Message-----
              From: Af [mailto:[email protected]
        <mailto:[email protected]>] On Behalf Of Chuck McCown
              Sent: Thursday, March 10, 2016 7:39 AM
              To: [email protected] <mailto:[email protected]>
              Subject: Re: [AFMUG] FSK power problem?

              Dumb question:
              You know the FSK have an absolute max input voltage of
        30 VDC with the smoke exit voltage around 36 VDC, right?

              -----Original Message-----
              From: Scott Vander Dussen
              Sent: Thursday, March 10, 2016 8:34 AM
              To: [email protected] <mailto:[email protected]>
              Subject: [AFMUG] FSK power problem?

              We just changed out a 24vdc 20A AC/DC power supply
        with a 48vdc rectifier.
              This powers 4 Syncinjectors and 2 Netonix. There is a
        mix of 450 and FSK APs in each of those Syncinjectors.  When
        we powered back up 6 of the 6 FSK wont establish eth link
        with the Netonix, all the 450 are fine.  Ideas?
        Tower climber en route but I'm stumped. TIA

              Thanks,
              `S

              ---
              Sent mobile, typed by thumbs.







































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