The EXFO FTB-7500E is a high-performance OTDR module engineered for fiber characterization in metro and long-haul networks. It delivers accurate fault location, splice analysis, and network health assessment through advanced bidirectional testing and real-time measurement capabilities. The module integrates with EXFO’s portable FTB platform family, enabling field technicians to perform comprehensive optical fiber diagnostics across multiple distance ranges and wavelengths.
## Technical Specifications
• **Wavelengths:** 1310 nm ± 20 nm / 1550 nm ± 20 nm / 1625 nm ± 10 nm
• **Dynamic Range (20 µs pulse):** 45 dB across all wavelengths
• **Event Dead Zone:** 0.8 m
• **Attenuation Dead Zone:** 4 m (1310 nm) / 4.5 m (1550/1625 nm)
• **Distance Range:** 1.25 km to 400 km (9 selectable ranges)
• **Pulse Widths:** 5 ns to 20,000 ns (9 settings)
• **Linearity:** ± 0.03 dB/dB
• **Loss Threshold:** 0.01 dB minimum
• **Loss Resolution:** 0.001 dB
• **Sampling Resolution:** 0.04 m to 5 m
• **Sampling Points:** Up to 256,000
• **Distance Uncertainty:** ± (0.75 + 0.001 % × distance + sampling resolution)
• **Measurement Time:** 5 seconds to 60 minutes (user-defined)
• **Real-time Refresh Rate:** Typical 4 Hz
• **Source Output Power:** –1 dBm (FTB-7500E-0023B)
## Key Features
• Short dead zones enable event location in densely populated fiber networks
• Exceptional linearity ensures accurate measurements on ultra-long links without resolution compromise
• Bidirectional analysis supported via FastReporter 2 for enhanced splice characterization
• Linear view with icon-based event representation simplifies trace interpretation
• iOLM automation performs high-resolution testing in both directions
• EXFO Connect cloud integration supports automated asset management and test data archival
• Optional macrobend finder and linear view software
• Optional Visual Fault Locator: 650 nm ± 10 nm CW, 1.5 dBm (1.4 mW) output
## Typical Applications
• Metro and long-haul fiber network characterization
• Splice loss and location analysis
• Event identification and fault localization
• Network health assessment and baseline documentation
• Dense fiber infrastructure testing
## Compatibility & Integration
Compatible with FTB-500, FTB-400, FTB-200, and FTB-2/FTB-2 Pro platforms. Two configurations available: FTB-7500E-0023B (1310/1550 nm) and FTB-7500E-0034B (1550/1625 nm), both 9/125 µm single-mode. APC/DIN 47256 and APC/FC narrow key connectors supported; APC recommended for optimal performance.
