The Anritsu AQ1425 is a compact, lightweight Optical Time Domain Reflectometer (OTDR) designed for field testing and characterization of optical fiber cables. It delivers accurate fault location and fiber loss monitoring across extended communication lines, supporting simultaneous dual-end measurements via removable optical source modules. The instrument combines portability with professional-grade performance, enabling efficient installation, maintenance, and monitoring of fiber-optic networks.
Technical Specifications
Optical Performance
• Supported fiber types: ITU-T G.652 / G.654
• Measurement range: Up to 20,000 km
• Operating wavelengths (main source): 1558.98 nm, 1559.79 nm, 1549.32 nm, 1551.72 nm, 1566.31 nm, 1567.13 nm
• Auxiliary wavelengths: 1559.39 nm, 1560.20 nm, 1549.72 nm, 1552.12 nm, 1566.72 nm
• Selectable pulse durations: 3 µs, 10 µs, 30 µs, 60 µs, 100 µs
• Dynamic range: >35 dB
• Distance measurement accuracy: ±10 m ± 0.5 × 10⁻⁶ × line length (in meters)
– Key Features
• Distributed optical loss monitoring in amplified fiber-optic circuits
• Event detection and location determination with specified accuracy
• Optical amplifier performance verification and gain measurement
• Dual OTDR operation from opposite fiber ends on a single communication line
• Ethernet interface for control result data transfer to external systems
• Rack-mount form factor with integrated optical switching capability
– Typical Applications
• Reflectometry and characterization of installed fiber-optic cables
• Real-time monitoring of fiber-optic communication line performance
• Network installation acceptance testing and troubleshooting
• Preventive maintenance and fault diagnosis on operational systems
– Compatibility & Integration
Ethernet connectivity enables integration with network management and control systems for automated result logging and remote monitoring.
