Telecommunications service providers, as well as enterprise customers are constantly in search of new solutions for satisfying their users demands for higher bandwidths, more reliable services, and lower costs. As the leader in evolutionary optical networking, the Cisco Optical Networking Group family of products continues to develop solutions to better fulfill these requirements. The ONS 15454 leverages Synchronous Digital Hierarchy (SDH) technology to support the need for network reliability while integrating Gigabit Ethernet service interfaces for high bandwidth transport and a lower interface cost versus current TDM and POS interfaces.The ONS 15454 SDH multi service platform is a flexible system, enabling a single network element to be deployed in a wide variety of applications. The platform's features and functionality continue to make it simple to engineer, with a minimal set of configuration rules.The ONS 15454 SDH platform delivers integrated optical networking, unprecedented multi-service interfaces along with radical economics. Continued product developments and enhancements, such as the line-rate G1000-4 card, have enabled the ONS 15454 SDH to increase its lead in the metro optical transport space. Providing an evolutionary platform, the ONS 15454 SDH meets both enterprise and service provider metro transport equipment needs by providing support for their present multi-service interface demands along with efficient data transport plus low life cycle costs. These capabilities help reduce networking costs and improve service provider profitability through compatibility with their existing, embedded transport and management infrastructures while positioning them to seamlessly offer enhanced data and higher bandwidth services over a common infrastructure.This assemble to order (ATO) model includes the following options: Shelf Chassis Assembly, 48VDC Fan Tray Assembly with Fan Filter, Power/Alarm MIC and Craft MIC and Ship Kit.