This Recommendation provides a GDMO-based information model to support the management of the leased circuit service as outlined in Recommendation M.3208.1. Appendix I provides a protocolindependent version of this information model in "structured" English. Appendix II provides a mapping from the management functions in Recommendation M.3208.1 to the managed objectsdefined in this Recommendation. Appendix III provides a Unified Modelling Language (UML) view of the same information model.