[c-nsp] [OT] Driving 1310nm optics through 1550nm circulators

[David Freedman]

> 
> Interesting that his carrier delivers them as part of their *dark* fibre 
> product

Perhaps its cheaper if you take a single strand + diplexer as opposed to 
a pair, (i.e perhaps its a "dark" single fiber and the diplexers are 
given to you for free if you want to use it for bidirectional 
communications) - personally I would ask if they sell dark pairs...

Dave.


> 
> 
> 	-- Niels.
>