This part of IEC 60728 provides guidelines and procedures for determining the overall
performance of optical transmissions systems used in cable networks for television signals,
sound signals and interactive services. It is based on the requirements for optical equipment
defined in IEC 60728-6 and should be used together with this standard. The information
provided is meant to help field engineers and network planners (system designers) in planning
and designing optical systems. Though this content is less dense than in a standard, basic
knowledge about system parameters of cable networks is needed.