The EXFO FTB-5240B is a portable optical spectrum analyzer module designed for DWDM system analysis, delivering lab-quality performance in a field-deployable unit. It integrates with the EXFO FTB-400 Universal Test System and combines one-button operation with an intuitive graphical touchscreen interface. The magnesium alloy enclosure with rubber bumpers withstands field deployment while remaining lightweight.
## Technical Specifications
• **Wavelength Range:** 1250 nm to 1650 nm
• **Spectral Resolution Depth:** Up to 40 dBc at 0.1 nm; up to 50 dBc at 0.2 nm; up to 55 dBc at 0.4 nm
• **Bandwidth Resolution:** 0.033 nm typical, enabling distinction of closely spaced channels
• **Channel Spacing Analysis:** Supports 25 GHz, 50 GHz, and 100 GHz channel spacing; capable of analyzing up to 512 channels in DWDM mode
• **Wavelength Accuracy:** ±0.030 nm with internal reference; ±15 pm (0.015 nm) with external calibration
• **Dynamic Range:** 93 dB
• **Input Power Range:** +18 dBm per channel down to −75 dBm (linearity may degrade above +15 dBm)
• **Internal Calibration:** Features internal reference source for wavelength calibration
• **External Calibration:** Supports external study source calibration for enhanced accuracy
## Key Features
• Adjustable wavelength scanning range covering all telco bands and optical supervisory channels
• Signal-to-noise ratio measurements via spectral resolution depth
• Test modes include Normal, In-Band, and Drift
• Supported test types: DFB lasers, EDFA, Fabry-Perot lasers, Spectral Analysis, Spectral Transmittance, and trace comparison
## Typical Applications
• Installation, commissioning, and maintenance of optical networks
• DWDM system troubleshooting and characterization
• Component analysis requiring narrow channel spacing resolution
## Compatibility & Integration
Designed as a module for the EXFO FTB-400 Universal Test System.
