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Teledyne LeCroy: Transposer Adapters for NVMe Dual Port U.2 Drive Testing in Storage Systems

Test fixtures used for isolating NVMe U.2 drives for storage system testing

Teledyne LeCroy, Inc. has introduced and is shipping dual port U.2 test fixtures used for isolating NVMe U.2 drives for storage system testing.

Teledyne_LeCroy_1The text fixtures (called transposers) are offered as a set of four adapters, each of which provides a test configuration for isolating dual port U.2 drives in storage systems. Interoperability test engineers now have a simple test tool that will help ensure that dual port drives will behave effectively in mission critical systems.

Working closely with the NVMe storage industry, Teledyne LeCroy will continue to provide test solutions that help drive greater test coverage in storage systems,” said John Wiedemeier, marketing manager, product, protocol solutions group, Teledyne LeCroy. “The new transposer adapter set offers enterprise equipment vendors an essential tool for validating NVMe storage systems.

u.2_transposer_adapter_2

The transposer is inserted between the NVMe U.2 backplane and the U.2 connector on a dual port NVMe drive.

Transposers can be interchanged to provide a variety of test configurations, which helps engineers configure specific channels for individual test, allowing performance issues to be quickly identified and isolated to a specific SSD or Host channel.

Set of four transposers features following configurations:

  • Host port A to SSD port A (SSD port B is masked)

  • Host port B to SSD port B (SSD port A is masked)

  • Host port A to SSD port B (SSD port A is masked)

  • Host port B to SSD port A (SSD port B is masked)

In addition to the ability to isolate and re-route ports, all of the four transposers have the ability to control the DP_EN# (dual port enable) signal through a simple switch on the transposer, and provide a set of electrical test points to allow engineers to directly monitor status and control signals.

The company has been supporting the NVMe industry since 2010 with protocol analysis, conformance test tools and specific probing for U.2 -based storage systems and devices. These tools have been a critical test component for much of the PCIe SSD interoperability testing that has occurred over the last few years.

The company is a member of the PCI-SIG, the consortium that owns and manages PCI specifications as open industry standards. The organization defines industry standard I/O (input/output) specifications consistent with the needs of its members. Currently, PCI-SIG is comprised of nearly 800 industry member companies.

To learn about PCI-SIG, and for a list of the board of directors.

The PCIe dual port U.2 Transposer Set is available to order.

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