Passive Optical Network Equipment: The Emerging
Role of Equipment in Powering 

Ultra-Fast Broadband
Connectivity



Evolution of Fiber to the Passive Optical Network Equipment

Passive optical network or PON technology has emerged as the preferred method
for fiber to the home deployments over the last decade. Starting with GPON
standards in the early 2000s that supported data speeds up to 1 Gbps, the PON
infrastructure has continued to evolve with newer and faster standards. The
latest iteration, XGS-PON standard approved in 2015, supports symmetrical
speeds of up to 10 Gbps over a single strand of fiber. This massive increase in
bandwidth capacity allows internet service providers to deliver multi-gigabit
internet speeds to residential and business customers.



Advancements in Passive Optical Network
Equipment Components

One of the primary reasons behind the speed upgrades in Passive
Optical Network Equipment networks has been
technological progress in optical network terminals and optical line terminals.
ONTs placed at customer premises and OLTs located in the central office are the
critical network components that handle the transmission and splitting of
optical signals. Early ONT/OLT designs for GPON supported only 1 Gbps through
lower order splitting using less advanced semiconductor lasers and receivers.
However, component vendors have since developed more powerful and efficient 10G
XGS-PON ONT/OLT modules that employ higher order splitting with narrow
linewidth lasers and avalanche photodiodes receivers to squeeze multi-gigabit
throughput over a single fiber strand.

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Optical Network Equipment