How is the transport network of a FOCL mobile operator organized?

Question

Telecommunications

Tell me how the mobile operator organizes the transport network using FOCL.
In particular, he is interested in what happens after the cable enters the base station, what type of equipment and I would like the brand.
PS If anyone else knows, write the brand of equipment that is used to organize a satellite transport network.

Answer 1

https://habrahabr.ru/company/megafon/blog/232801/