Test Gigabit Ethernet, DWDM, SONET, OTDR, ORL, PMD, and CD all with the same easy-to-use multi-layer test platform. Provides extended transport analysis (XTA) application, universal transport analyzer (UTA) application, gigabit ethernet application, optical time domain reflectometer (OTDR) application, polarization mode dispersion (PMD) application, chromatic dispersion(CD) application and more.