The Exfo FTB-7400E OTDR Module is a high-performance optical time domain reflectometer engineered for testing and characterizing fiber optic networks across metro, long-haul, and CWDM applications. This module integrates with EXFO’s FTB-500 and FTB-200 platforms to deliver comprehensive network deployment, maintenance, and troubleshooting capabilities.
## Technical Specifications
• **Wavelengths:** 1310 nm / 1550 nm; 1310 nm / 1550 nm / 1625 nm; 1310 nm / 1383 nm / 1550 nm / 1625 nm; CWDM configurations at 1470/1490/1510/1530 nm and 1550/1570/1590/1610 nm (ITU G.694.2 compliant)
• **Dynamic Range:** Up to 42 dB at 1550 nm
• **Distance Range:** Up to 400 km
• **Event Dead Zone:** As low as 0.8 m
• **Attenuation Dead Zone:** As low as 4 m
• **Sampling Points:** Up to 256,000 for enhanced trace resolution
• **Linearity:** ±0.03 dB/dB
• **Pulse Width:** Configurable for optimized network characterization
• **Averaging Time:** 5 seconds to 60 minutes; real-time averaging available
• **Low Water Peak Fiber Testing:** 1383 nm support for new fiber characterization and legacy fiber degradation assessment
## Key Features
• **iOLM (Intelligent Optical Link Mapper):** Automated one-touch testing with go/no-go visual results; correlates multiple pulse widths and wavelengths for maximum resolution
• **Linear View:** Icon-based event display for simplified trace interpretation and fault pinpointing
• **Real-Time Averaging:** Continuous laser activation with live trace refreshing for monitoring dynamic fiber changes
• **Zoom Tools:** Detailed analysis capability for specific trace regions
• **On-the-Fly Parameter Adjustment:** Dynamic OTDR settings modification during active acquisition
• **Macrobend Finder:** Automated detection and identification of macrobends
• **Automode:** Automatic discovery mode that adjusts distance range and pulse width based on link characteristics
• **Bidirectional Analysis:** Supported via FastReporter 3 post-processing software
• **EXFO Connect Compatibility:** Cloud-based test data storage and automated asset management
• **Visual Fault Locator (Optional):** 650 nm VFL for visual cable break, bend, and connector fault identification
## Typical Applications
• Metro and long-haul fiber network testing
• CWDM system characterization
• Network deployment and acceptance testing
• Field maintenance and troubleshooting
• Fiber degradation assessment
## Compatibility & Integration
FTB-500 and FTB-200 platform integration; EXFO Connect cloud ecosystem support.
