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Optical line terminal

Optical line terminal

(also optical line termination, OLT)

Optical line terminal definition

The endpoint hardware device in a passive optical network (PON). Optical line terminals convert electrical signals to fiber optic signals for the PON and coordinate multiplexing (combining multiple signals) between conversion devices on the other end.

Real optical line terminal examples

Huawei is the leading manufacturer of OLT hardware in the world.

Lightspan DF-16GM from Nokia is the world’s smallest OLT.

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