CMA5000 Multi-Layer Network Test Platform (CMA5000) Test Gigabit Ethernet, DWDM, SONET, OTDR, ORL, Fibre Channel, PMD, and CD all with the same easy-to-use multi-layer test platform. CMA5000 Optical Spectrum Analysis Application (CMA5000 Optical Spectrum Analysis Application (OSA)) The CMA5000 Optical Spectrum Analysis Application (OSA) is the ideal single solution for facilitating accurate and efficient channel management, power balancing and tuning throughout the network. Optical Spectrum Analyzer (MS9780A) The MS9780A is a diffraction-grating spectrum analyzer for analysing optical spectra in the 600 to 1750 nm wavelength band. Optical Spectrum Analyzer (MS9710C) This OSA is an improved version of the well received MS9710B and features improved wavelength accuracy, resolution bandwidth and signal to noise averaging. Optical Spectrum Analyzer (MS9710B) This OSA features improved wavelength accuracy, resolution bandwidth and signal to noise averaging.