This Recommendation deals with the classification and the characteristics of multi-degree reconfigurable optical add/drop multiplexers (MD-ROADMs), including two-degree ROADMs. Some examples of MD-ROADM configurations and applications are given in the appendices.
ITU-T G.672-2012 Referenced Document
ITU-T G.661-2007 Definitions and test methods for the relevant generic parameters of optical amplifier devices and subsystems (Study Group 15)
ITU-T G.671-2012 Transmission characteristics of optical components and subsystems (Study Group 15)
ITU-T G.680-2007 Physical transfer functions of optical network elements Study Group 15
ITU-T G.806-2012 Characteristics of transport equipment – Description methodology and generic functionality (Study Group 15)
ITU-T G.870-2010 Terms and definitions for optical transport networks (OTN) Study Group 15
ITU-T G.672-2012 history
2012ITU-T G.672-2012 Characteristics of multi-degree reconfigurable optical add/drop multiplexers (Study Group 15)