SONET (Synchronous Optical Network)/SDH (Syncronous Digital Hierachy), an ANSI standard for connecting fiber-optic transmission systems, defines interface standards at the physical layer of the OSI seven-layer model. The standard defines a hierarchy of interface rates that allow data streams at different rates to be multiplexed. SONET establishes Optical Carrier (OC) levels from 51.8 Mbps (OC-1) to 40Gbps (OC-786/STM 256). With the implementation of SONET/SDH, communication carriers throughout the world can interconnect their existing digital carrier and fiber optic systems. The Performer Analyzer has powerful SONET/SDH analysis and SONET/SDH decode capabilities. The Performer Analyzer offers both predefined and user-defined analyses and filters to allow fast realization of traffic characteristics and pinpointing of abnormal conditions at different layers, regardless of the interface types and protocols. SONET troubleshooting is enabled by a flexible and user-defined set of threshold-based alarms that can be set to locate abnormal situations and phenomena of the network under test; while a log file schedules all events for further investigation. The Performer Analyzer provides full and comprehensive support of SONET/SDH and is an ideal tool for analysis, troubleshooting and solutions of SONET networks. |