The optical analyzer MOT-800 is designed to measure and control power at startup and during operation of CWDM networks. All 16 (18) channels meet the requirements of ITU-T G.694.2. The measurement results can be displayed as graphically and in tabular form and transferred to a computer for report preparation. High-impact dust and waterproof the unit is designed for reliable operation under field conditions. Easy to use, low cost, reliability and small size distinguish it from other devices for testing CWDM networks.