Anritsu MU909015B – µOTDR Module, 2-Wavelength, 35 dB Class OTDR For MT9090A Network Master Series Mainframes

The Anritsu MU909015B µOTDR Module is a dual-wavelength optical time-domain reflectometer designed for integration into MT9090A Network Master series mainframes. It delivers 35 dB class dynamic range performance for comprehensive fiber characterization across FTTx, metro, and access networks. This modular instrument combines OTDR measurement capability with a compact, field-portable form factor, enabling technicians to perform splice identification, connector analysis, and fault location from a single handheld platform.

## Technical Specifications

• **Wavelengths:** 1310 nm, 1550 nm
• **Dynamic Range:** Up to 35 dB (class specification); variants support 37 dB and 38 dB depending on pulse width configuration
• **Event Dead Zone:** As low as 0.8 m (typical)
• **Attenuation Dead Zone:** Approximately 4 m (typical)
• **Sampling Resolution:** As fine as 2 cm (minimum)
• **Sampling Points:** Up to 250,001 pts (fine setting)
• **Measurement Range:** −50 to +26 dBm (CW); −40 to +13 dBm (modulated signals)
• **Fiber Type:** 10 µm/125 µm single-mode fiber (ITU-T G.652)

## Key Features

• Dual-wavelength OTDR testing at 1310 nm and 1550 nm for comprehensive fiber loss characterization
• Support for maintenance wavelengths (1625 nm/1650 nm) with integrated filtering for in-service testing
• PON testing capability including splits up to 1×64
• Fiber Visualizer mode for simplified OTDR operation
• Internal data storage with USB external memory support; Telcordia SR-4731 format compatibility
• Bluetooth, Wi-Fi, and Ethernet connectivity via USB dongles
• Rechargeable Li-ion battery operation

## Typical Applications

Fiber installation and maintenance across passive optical networks, metro, and access network deployments; event and attenuation characterization; splice and connector loss quantification; PON power measurement and loss testing.

## Compatibility & Integration

MU909015B modules integrate into MT9090A Network Master mainframes, supporting modular configuration for field testing platforms. Optional integrated functions include PON Power Meter, Loss Test Set, and Light Source capabilities.