This unit describes the skills and knowledge required to plan the activities of major upgrades of optical systems from specifications provided by the planning and design section or its equivalent. Major upgrades in enterprise networks or a communications service provider’s network involve cut over activities to integrate additional work into the existing network.It applies to individuals who work as members of a team and use high-level communication and technical skills to provide services in Next Generation Networks (NGN) using emerging technologies.No licensing, legislative or certification requirements apply to this unit at the time of publication.