What is dark fiber and lit fiber?

Related questions

1. Why is it called dark fiber?
2. What is dark fiber network?
3. What are the disadvantages of Fibre optic cable?
4. What is the difference between fiber and dark fiber?
5. What is a CWDM mux?
6. What is DWDM network?
7. What is the maximum distance for fiber optic cable?
8. What is channel spacing in DWDM?
9. What is DWDM and CWDM?

Tags

1. #utilizing
2. #wavelength
3. #provide
4. #therefore
5. #something
6. #currently
7. #telecommunications
8. #called
9. #passing
10. #light
11. #known
12. #waves
13. #services
14. #through
15. #carriers
16. #carrier
17. #fiber
18. #being