The Anritsu MU909015C6 is a micro optical time-domain reflectometer (µOTDR) module engineered for integration into MT9090A Network Master series mainframes. This single-mode fiber test module delivers three-wavelength OTDR capability with 35 dB dynamic range, enabling precise characterization of optical fiber infrastructure across installation, maintenance, and troubleshooting workflows. The compact design supports premise, access, metro, and core network testing, including FTTx deployments with high split ratios.
## Technical Specifications
**Wavelengths & Accuracy**
• Triple-wavelength operation: 1310 nm, 1550 nm, and 1625 nm or 1650 nm (variant-dependent)
• Alternative variant: 1310 nm, 1490 nm, and 1550 nm
• Wavelength accuracy: ±20 nm
**Dynamic Range & Resolution**
• 35 dB class; up to 38 dB at 20 µs pulse width
• Event dead zone: <1 m (typically ≤0.8 m Fresnel)
• Backscatter dead zone: <4.5 m (≤4.0 m at 1310 nm; ≤4.5 m at 1490/1550/1625/1650 nm)
• Sampling resolution: 2 cm minimum
• Sampling points: <250,001
**Distance & Accuracy**
• Range: 0.5 km to 250 km
• Distance accuracy: ±1 m ±3 × measurement distance × 10⁻⁵ ± marker resolution
• Measurement accuracy: ±0.5 dB
• Linearity: ±0.05 dB or ±0.1 dB
**Operational Parameters**
• Pulse width: 5 ns to 500 ns; 1 µs to 20 µs
• IOR range: 1.3000 to 1.7000
• Return loss measurement: 14.8 ± 2 dB
## Key Features
• Full OTDR modes: automatic, manual, real-time
• Integrated power meter, light source, and loss test set functions
• PON power meter capability
• Fiber visualizer mode for field operations
• Visual fault locator support (optional)
• Connector inspection with optional video probe
• USB 1.1 and Ethernet connectivity; Bluetooth and Wi-Fi
• Operating temperature: −10 to 50 °C
• Compact form factor: 190 mm × 96 mm × 48 mm, 700 g
## Power & Integration
• Module powered by MT9090A mainframe battery
• AC input: 100 V to 240 V (50/60 Hz); DC: 9 V
• NiMH battery standard (~8 hours operation)
• Alkaline dry battery option available
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