The EXFO FTB-400 is a versatile industrial-grade multitest module designed for comprehensive optical testing.
It is compatible with the FTB-3920 and other EXFO FTB series instruments, enhancing their functionality. This module supports advanced OTDR (Optical Time Domain Reflectometer) upgrades, making it suitable for a wide range of industrial applications. Its robust design ensures reliable performance in challenging environments, making it a valuable tool for maintenance and troubleshooting in telecommunications and fiber optic networks.