https://flexnetworks.ca/what-is-dark-fibre-why-would-i-want-it/#:~:text=Dark%20Fibre%20is%20a%20strand,their%20own%20optical%20network%20gear https://flexnetwor

https://flexnetworks.ca/what-is-dark-fibre-why-would-i-want-it/#:~:text=Dark%20Fibre%20is%20a%20strand,their%20own%20optical%20network%20gear https://flexnetworks.ca/what-is-dark-fibre-why-would-i-want-.... It has two meanings. I have heard it most commonly used in reference to private fibre networks.