One hell of a good graphic.  Thanks Mark.  

From: Mark Radabaugh 
Sent: Tuesday, April 6, 2021 7:31 AM
To: AnimalFarm Microwave Users Group 
Subject: Re: [AFMUG] GPON through MUX?

We do it.  It’s limited to a single splitter but works fine.   These are 
inexpensive fiberstore muxes: 



--------------------------------------------------------------------------------



Mark





  On Apr 5, 2021, at 10:05 PM, Chris Fabien <[email protected]> wrote:

  Adam,
  GPON is 1310/1490. There are definitely ways to overlay DWDM. We
  overlay 1550 RF video over our GPON and it's probably a way wider
  signal than DWDM would be.

  On Fri, Apr 2, 2021 at 4:33 PM Adam Moffett <[email protected]> wrote:


    GPON is 1490 down and 1550 up

    I've been using CWDM which overlaps that.  I hadn't looked at DWDM.

    DWDM C band is 1525-1565 which would overlap.

    DWDM L band is 1570-1625.....so yeah I guess a DWDM MUX that only
    touched L-Band might pass GPON through.  Maybe I've been looking at it
    through the wrong lens.


    On 4/2/2021 4:24 PM, Cassidy B. Larson wrote:

      Cant you just use a dwdm with expansion port? everything not in the dwdm 
range would get spit out the expansion port (gpon).


        On Apr 2, 2021, at 2:15 PM, Adam Moffett <[email protected]> wrote:

        Why isn't there a MUX that carries GPON on one port and then also 
allows me a few ethernet paths on other wavelengths?  I feel like this would be 
a really useful thing for people leasing dark fiber, so I can't fathom why it's 
not a commodity item.



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--------------------------------------------------------------------------------
We do it.  It’s limited to a single splitter but works fine.   These are 
inexpensive fiberstore muxes:



Mark



> On Apr 5, 2021, at 10:05 PM, Chris Fabien <[email protected]> wrote:
> 
> Adam,
> GPON is 1310/1490. There are definitely ways to overlay DWDM. We
> overlay 1550 RF video over our GPON and it's probably a way wider
> signal than DWDM would be.
> 
> On Fri, Apr 2, 2021 at 4:33 PM Adam Moffett <[email protected]> wrote:
>> 
>> GPON is 1490 down and 1550 up
>> 
>> I've been using CWDM which overlaps that.  I hadn't looked at DWDM.
>> 
>> DWDM C band is 1525-1565 which would overlap.
>> 
>> DWDM L band is 1570-1625.....so yeah I guess a DWDM MUX that only
>> touched L-Band might pass GPON through.  Maybe I've been looking at it
>> through the wrong lens.
>> 
>> 
>> On 4/2/2021 4:24 PM, Cassidy B. Larson wrote:
>>> Cant you just use a dwdm with expansion port? everything not in the dwdm 
>>> range would get spit out the expansion port (gpon).
>>> 
>>>> On Apr 2, 2021, at 2:15 PM, Adam Moffett <[email protected]> wrote:
>>>> 
>>>> Why isn't there a MUX that carries GPON on one port and then also allows 
>>>> me a few ethernet paths on other wavelengths?  I feel like this would be a 
>>>> really useful thing for people leasing dark fiber, so I can't fathom why 
>>>> it's not a commodity item.
>>>> 
>>>> 
>>>> 
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>>> 
>> 
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