I was recently quoted around $400 for a Juniper EX2300-C-12T. Two SFP+ ports, 12 copper.  That was with AC power, but it's available with -48. Presumably it's more expensive with DC because they always are.

I'm actually pretty happy with the Ubiquiti Edgeswitch that I have, but it's either 24V or AC.  No -48 unless you also get an appropriate converter (Meanwell RSD-150-C or similar).

Some of the mikrotiks accept up to 60V, but I don't know if they're ok with the positive ground or not.  I always put them on an isolated 24v converter because all Mikrotik models are ok with 24V and if I do that then I'm ok with whatever the future replacement is.


On 8/7/2020 11:40 AM, ch...@wbmfg.com wrote:

I am the positive particle swimming in the sea of “nattering nabobs of negativity”.
*From:* Jaime Solorza
*Sent:* Friday, August 7, 2020 9:29 AM
*To:* AnimalFarm Microwave Users Group
*Subject:* Re: [AFMUG] a real af question
Why all the negativity?
Lol...good one Jaime
On Fri, Aug 7, 2020, 9:23 AM <ch...@wbmfg.com> wrote:

    Will it handle –48?
    *From:* Josh Luthman
    *Sent:* Friday, August 7, 2020 7:58 AM
    *To:* AnimalFarm Microwave Users Group
    *Subject:* Re: [AFMUG] a real af question
    If that's the case, get a Tik and crack open the case.  Simply
    wire 48v right up - solder and heat shrink would be simple.
    Josh Luthman
    Office: 937-552-2340
    Direct: 937-552-2343
    1100 Wayne St
    Suite 1337
    Troy, OH 45373
    On Fri, Aug 7, 2020 at 9:56 AM Chuck McCown <ch...@wbmfg.com> wrote:

        I have a nice sine wave modular exeltech on both ends.  Just
        prefer to be DC wherever possible.

        Sent from my iPhone

        On Aug 7, 2020, at 7:13 AM, Josh Luthman
        <j...@imaginenetworksllc.com> wrote:

        
        I don't think the MT or Ubnt are 48v out of the box.

        With the MT people have regularly popped open the case and
        then just done 48v bypassing the AC->48VDC PSU.
        Josh Luthman
        Office: 937-552-2340
        Direct: 937-552-2343
        1100 Wayne St
        Suite 1337
        Troy, OH 45373
        On Thu, Aug 6, 2020 at 5:55 PM <ch...@wbmfg.com> wrote:

            I think that may be what one of my guys ordered.  He was
            trying to decide
            between MT and UBNT.

            -----Original Message-----
            From: Matt
            Sent: Thursday, August 6, 2020 3:34 PM
            To: AnimalFarm Microwave Users Group
            Subject: Re: [AFMUG] a real af question

            > I need to connect two offices with fiber.  Going to put
            a switch on both
            > ends with an SFP.
            > 48 volts power.  Rack mount. I need a recommendation. 
            I may do Netonix
            > but I would like to hear opinions.

            Why not MikroTik CRS rack mount with SFP or SFP+ ports?

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