ADC Telecommunications Inc. (Minneapolis, MN) announced that its Soneplex access multiplier (AM) system was approved by the Nanjing Automation Research Institution (China) as its primary SDH platform. NARI supplies China`s public utility companies with power automation, system control, and an operation network that connects power companies throughout China. The Soneplex AM system will provide NARI with an automated, flexible SDH transmission solution for provisioning its power-control networks.