The Exfo FTB-7600E-0034B is a single-mode OTDR module built for long-haul fiber optic network characterization. Operating at 1550 nm and 1625 nm with dynamic ranges of 50 dB and 48 dB respectively, it delivers precise fault location, splice loss assessment, and bend detection across extended fiber routes. The module achieves event dead zones below 1 m and attenuation dead zones below 5 m, enabling accurate analysis of closely spaced anomalies. With sampling resolution to 128,000 points and up to 256,000 data points, it supports distance measurements to 256 km and reflectance detection down to −70 dB.
## Technical Specifications
**Optical Performance**
• Wavelengths: 1550 nm, 1625 nm
• Dynamic Range: 50 dB at 1550 nm; 48 dB at 1625 nm
• Pulse Widths: 5 ns to 10 µs (variable)
• Sampling Resolution: Up to 128,000 points
• Data Points: Up to 256,000 points
• Distance Range: Up to 256 km
• Event Dead Zone: < 1 m (typical)
• Attenuation Dead Zone: < 5 m (typical)
• Reflectance Measurement: Down to −70 dB (typical)
## Key Features
• Dual-wavelength OTDR operation for comprehensive link analysis
• Bi-directional testing enables averaging for improved splice loss and attenuation accuracy
• Configurable loss thresholds and distance ranges
• Support for chromatic dispersion (CD) and polarization mode dispersion (PMD) measurements when paired with appropriate FTBx platforms and modules
• Integration with digital talk sets and video inspection probes for connector end-face assessment
## Typical Applications
• Fault location in long-haul fiber routes
• Splice loss quantification and assessment
• Macrobend and break detection
• Connector characterization
• Bi-directional fiber link validation
## Compatibility & Integration
• Compatible with EXFO FTB-2, FTB-2 Pro, and FTB-400 platforms
• Fiber Type: Single-mode (SMF)
• Optical Connectors: FC/UPC, SC/UPC, LC/UPC (interchangeable)
• Data Interface: USB for data transfer and firmware updates
