e/Subcarrier multiplexing

Information
has gloss	eng: Subcarrier Multiplexing (SCM) is a method for multiplexing many different fiber optics-based communication links into a single uplink fiber. The SCM (also known as SCMA, SubCarrier Multiple Access) is used in passive optical network (PON) access infrastructures as a variant for the Wavelength Division Multiplexing (WDM).
lexicalization	eng: Subcarrier multiplexing
instance of	e/Physical Layer