Right. But why would you use two fibers when BIDIs exist?  Is there some 
benefit?

> On Oct 20, 2020, at 7:37 AM, Mark Radabaugh <[email protected]> wrote:
> 
> 
> 
> BIDI means you are using one fiber strand.   Otherwise it’s 2 fibers, one for 
> transmit and the other for receive. 
> 
> It’s not black magic - but you do need to have some knowledge of what you are 
> doing.
> 
> Mark
> 
>> On Oct 20, 2020, at 7:18 AM, Matt Hoppes <[email protected]> 
>> wrote:
>> 
>> Is there a reason there isn’t more a standard for the optics that go with 
>> fiber?
>> 
>> It seems any time a cut over is done there’s always the question: which 
>> optic are you using?  Bi-Di or not ?  Then some equipment only supports 
>> certain optics. 
>> 
>> Twice now we’ve tried to do 1gig to 10gig wave upgrades with our providers 
>> (some large country wide names) and it’s taken multiple attempts because of 
>> optic issues. 
>> 
>> Copper - you just plug it in and it works. Why have we not gotten to this 
>> point with fiber?
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