“EXFO’s PXM/LXM duplex and multifiber OLTS represents a true paradigm shift for Tier 1 fiber certification in data center networks, helping to alleviate the pressures of faster, high-density fiber deployments driven by the proliferation of AI,” said Etienne Gagnon, senior vice president of Testing and Measurement at EXFO. “We have set new standards for speed, accuracy, and versatility in testing with the innovative pro version, enabling operators to save costs and realize revenue faster.”.

EXFO's PXM/LXM signal loss, length, and polarity tests are performed in one second—the fastest in the industry—and meet certification standards.
Now, data center contractors and technicians of any experience level can confidently manage Level 1 certifications, ensuring correct tests the first time and avoiding costly retests. This is critical at a time when data centers are being impacted by the generative AI revolution, with centers spreading globally and densifying to meet growing usage demands.

The PXM/LXM duplex and multifiber OLTS takes Level 1 certification to the next level with these advantages:
- Industry-leading 1-second OLTS testing. The professional version of the PXM/LXM measures loss, length, and polarity on duplex and multifiber links at two wavelengths, in compliance with industry standards.
- It can detect hidden duplex and Base-8/12 polarity problems in backbone cabling.
- The PXM/LXM allows testing 16 or 24 fibers in just one second using dual kits or a loopback method.
- Switch between duplex and multifiber testing in seconds with patented Click-Out adapters, compatible with MDC, SN, LC duplex, as well as MPO and SYSTIMAX MTP.
- Ability to create test IDs in FastReporter3 and import them to instruments as jobs.
- The removable connector design, 3-year warranty, and calibration keep the testers in the field, not in the factory.

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