Optic fiber cable

PON encapsulate data with Ethernet and can offer 1 Gbps to 10 Gbps capacity.

The Ethernet Passive Optical Network (EPON)

EPON follows the original architecture of a PON. Here, the DTE connected to the trunk of the tree and called as Optical Line Terminal (OLT) as shown in the following illustration.

It is usually located at the service provider, and the connected the DTE branches of the tree are called Optical Network Unit (ONU), located in the premises of the subscriber. The signals from the OLT pass through a passive splitter to achieve the ONU and vice versa.

Ethernet in the First Mile

The standardization process began when a new study group called Ethernet in the First Mile (EFM) was established in November 2000

BPON ATM Systems

BPON ATM based systems have proven to be very inefficient, as a vast majority of traffic across the access network consists of large IP Frames and variable sizes.

Concept of EPON

EFM has introduced the concept of EPON in which a point-to-multipoint (P2MP) network topology is implemented with passive optical splitters.