i have 3 Lan in city A , City B , City C (each city use and Cisco switch 2960)
i have 2 core fiber optic (from City A to City B) and 2 core fiber optic (from City B to City C)
i want use fiber optic to ethernet converter for connecting city A to B and B to C.
note that city B need 2 fiber optic ports. (A to B) and (B to c).
(i want to integrate Lan A,LanB,LanC)
whitch device you recommend? distance from A to B is: 50 KM , and B to C is 80 KM.