Term
OPM (Optical Performance Monitoring)
Abbreviation
OPM
Definition
OPM (Optical Performance Monitoring) is is used for managing high capacity dense wavelength division multiplexing (DWDM) optical transmission and switching systems in Next Generation Networks (NGN). OPM involves assessing the quality of data channel by measuring its optical characteristics without directly looking at the transmitted sequence of bits. It is a potential mechanism to improve control of transmission and physical layer fault management in optical transmission systems.
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