EXFO Power Blazer - G.709 Optical Transport Network (OTN)

Glossary
794 88000 Series
G.709 Optical Transport Network (OTN)
G.709 Optical Transport Network (OTN)
Overview
The optical transport network (OTN) combines the benefits of SONET/SDH
technology with the bandwidth expansion capabilities offered by dense
wavelength-division multiplexing (DWDM) technology.
The OTN consists of the following layers:
 Optical Transport Section (OTS)
 Optical Multiplex Section (OMS)
 Optical Channel (OCh)
 Optical channel Transport Lane (OTL)
 Optical Transport Unit (OTU)
 Optical Data Unit (ODU)
 Optical Channel Payload Unit (OPU)