Due to the high appearing of many bandwidth consumer services, as well as the increase of the bandwidth consumed by those services, on the last decade the PON (Passive Optical Network) architectures and the FTTx (Fiber To The Place) concept forcibly evolved, enabling larger disponibility on data rates to the costumer and to the services. There are many PON standards today, for example EPON (Ethernet Passive Optical Network), BPON (Broadband Passive Optical Network), GPON (Gigabit Passive Optical Network) and XG-PON (10 Gbps PON). Although having these technologies, the idea that PON have unlimited capacity is erroneous, although, even limited, it can be much higher than the capacity available today by the copper network. Given the architectural options, implementation schemes, performance of some equipment, gradual requirements by customers and services, the biggest problems will be spectral austerity/lack and the need to supply customers with an even broader data and service rate , higher than 10 Gbps (provided by XG-PON), and as a consequence, these solutions can be seen as short to medium term. In the wake of these developments, a possible long-term solution to address these shortcomings is a development standard entitled NG-PON2 (Next-Generation PON 2). This work has as main objective the proposal of an architecture of implementation NG-PON2 oriented to the Central Office, being a solution with applicability in the access networks. In parallel, the NG-PON2 and previous ones will be studied. It will also make a characterization of current architectures and technologies. The work will also integrate the construction of a real NG-PON2 scenario, encompassing the necessary tests. All this work, from study, architecture design, implementation and testing will be developed at the company Altice Labs, S.A. in Aveiro.