Description
Viavi 2330/25 – MPO Quad (SM/MM) Optical Loss Test Set

- Measure MPO length
- Measure optical loss
- Check polarity
- Inspect fiber end faces
- Generate certification reports
The Viavi 2330/25 is an optical loss test set, and is designed for use on both single and multi mode systems. It includes a light source, power meter, as well as a patch cord microscope. Please note, the patch cord microscope is built into the unit and is only used for patch cords and jumpers – it cannot be used to inspect bulkhead ports. The optional P5000i USB external scope can be used for bulkheads and jumpers. For a full list of included items, please see the section labeled “What’s in the Box”.
Tier 1 (Basic) MPO Certification Solution
The VIAVI SmartClass Fiber MPOLx is the industry’s first dedicated optical loss test set that can perform all the test requirements for Tier 1 (Basic) certification using MPO fiber connectivity. The MPOLx provides a source and power meter that integrate essential MPO test capabilities together to ensure a fast and reliable workflow when testing and certifying network links with native MPO connectivity.
With the MPOLx, field technicians can perform all the necessary test requirements for Tier 1 (Basic) certification in a single solution:
- Measure MPO length
- Measure optical loss
- Check polarity
- Inspect fiber end faces
- Generate certification reports
Full Control and Visibility for Technicians
The MPOLx gives technicians the ability to achieve a completely new level of productivity for MPO testing and certification. Like all Viavi solutions for Tier 1 (Basic) fiber certification, identical local and remote units are provided to enable full visibility and control by performing tests from both the Light Source and Power Meter. All devices feature a 3.5″ color touch screen and integrated inspection for both bulkhead and trunk connectors. The MPOLx allows a single technician to inspect MPO end faces and perform tests from either end of the connection, reducing walking back and forth between the two units.
Comprehensive Test Results in Under 6 Seconds
The MPOLx ensures fast workflows by delivering comprehensive test results in less than 6 seconds for all 12 fibers of the MPO connector.
- Color coded pass/fail test results
- Test limit
- Fiber length
- Test wavelengths
- Loss values
- Margins
- Polarity result for each MPO fiber
- Polarity types (A, B, or C) with visual example
- Compare actual vs. expected polarity


Manage Individual Channel Selection for Specific Fibers in an MPO Connector
In many cases, like 40GBASE-SR4, not all 12 fibers are utilized. The MPOLx gives users the ability to select which specific fibers they want to perform pass/fail testing on, aligning their certification requirements to the applications they will be using.



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