The EXFO FTB-500 equipped with the FTB-5240S In-Band Optical Spectrum Analyzer module is a high-performance solution designed specifically for in-service DWDM network testing. Optimized for C-band operation, this module enables accurate in-band OSNR measurement, channel power analysis, and spectral monitoring without disrupting live traffic.
Built for modern dense optical networks, the FTB-5240S InB module allows technicians to validate signal quality, detect degradation, and troubleshoot transmission issues directly on active DWDM links. Combined with the modular FTB-500 platform, it provides a powerful and flexible tool for metro and core network environments.
