Viavi E4136RMA Metro-Access OTDR Module (1310/1550/Filtered 1625 nm)

The Viavi E4136RMA OTDR Module is a high-performance, filtered tri-wavelength optical time-domain reflectometer designed for testing metro and access fiber networks. Compatible with the T-BERD/MTS-2000 V2, -4000 V2, -5800, and OneAdvisor platforms, it enables accurate fiber characterization, split ratio verification (PON up to 1x256), and in-service testing at 1625 nm with a built-in filter to avoid service disruption.

Download Product Spec Sheet:

• Spec Sheet (PDF)

Key Features:

• Wavelengths: 1310 ±20 nm / 1550 ±20 nm / Filtered 1625 nm

• RMS Dynamic Range:

  • 1310 nm: 46 dB

  • 1550 nm: 45 dB

  • 1625 nm (Filtered): 43 dB

• Event Dead Zone: 0.65 m

• Attenuation Dead Zone: 2.5 m

• Splitter Attenuation Dead Zone: 20 m (typical 1x32 split ratio at 1310 nm)

• Sampling Points: Up to 256,000

• Display Range: 0.1 to 400 km

• Pulse Width: 3 ns to 20 µs

• Smart Link Mapper (SLM): Icon-based fault detection

• SmartTEST Automation: Simplified test process for technicians of all skill levels

• Field Upgradeable: Add FiberComplete PRO for bi-directional OTDR, MPO support, loopback testing

Applications:

• FTTx / Access networks

• Metro network fiber certification

• 5G x-haul infrastructure

• In-service troubleshooting using filtered 1625 nm

Included Compatibility:

• Compatible with interchangeable FC, SC, LC connectors

• Supports LinkWare-style consolidated multi-wavelength reporting

• Works with Inspect Before You Connect (IBYC) best practices