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N5412B Serial Attached SCSI-2 (SAS-2) Compliance Test Software

Data Sheets

Data Sheet

N5421A SAS IT/IR Test Fixtures for SFF-8482 SAS x2 Internal Plug/Receptacle Interfaces

Features

The N5412B SAS-2 electrical test software simplifies the validation of SAS designs:

– Test definitions based on UNH-IOL standard SAS 2.1 specification

– Support SAS 1.5 Gbps and 3.0 Gbps and 6.0 Gbps data rate

– Easily select tests and configure SAS IT/CT interfaces for compliance testing

– Automated setup and programming of scope measurements

– Graphical HTML test results

report format for documentation and sharing

– Trials test reporting capability to allow quick comparison of test results with multiple test patterns or device configurations (TX drive strength, pre-emphasis ratios, slew rates, etc.)

Verify and debug your SAS devices faster and more easily

The Keysight Technologies, Inc. N5412B serial attached SCSI-2 (SAS-2) compliance test software for Infiniium 90000 oscilloscopes provides you with a fast and easy way to validate and debug your SAS 1.5 Gbps, 3.0 Gbps and 6.0 Gbps silicon, host bus adapter, initiator, high-density disk drive or enclosure backplane.

It also supports automated SAS out-of-band (OOB) signal tests with the 81134A pattern generator and N4903B BERT with Option 002.

The SAS compliance test software allows you to automatically execute SAS electrical checklist tests at each of the IT and CT interface points and displays the results in a flexible report format.

In addition to the measurement data, the report provides a margin analysis that shows how closely your device passed or failed each test.

To make measurements with the N5412B SAS-2 compliance test software, you also will need a method of connecting to the SAS compliance interface on the electrical mating surfaces of your SAS connector.

Keysight currently provides a full set of compliance test fixtures for the SFF-8482, SAS x2 internal drive/backplane connector interfaces for SAS 1.5 Gbps, 3.0 Gbps and 6.0 Gbps. The fixtures do meet the zero-length test load requirement for testing transmitter device compliance point per section 5. 7. 2 of the SAS-2.1 specification.

The N5421A SAS SFF-8482 compliance test fixture kit offers connectivity from the SFF-8482 primary and secondary transmitter and receiver differential ports to SMA for connection to Keysight Infiniium Series ultra-high-performance oscilloscopes. The N5421A kit also includes the necessary TX and RX transient circuit test loads.

The N5412B SAS-2 compliance test software performs a wide range of tests required to meet the physical layer requirements per section 5.8, Tables 29-43 of the SAS-2.1 specification. The N5412B SAS-2 compliance test software helps you execute the most difficult physical layer tests for transmitters (TX tests only), at the near-end (IT/CT interfaces) of a SAS link, that can be measured with a combination of a 12-GHz or higher real-time oscilloscope and the 81134A programmable pulse/pattern generator.

The SCSI Trade Association currently sponsors at least one compliance and interoperability plugfests annually for member companies to test their products’ operational capability and margins with other member companies’ products.

With the N5412B SAS-2 compliance test software, you can use the same oscilloscope you use for everyday debugging to perform automated testing and margin analysis based on the requirements in the SAS-2.1 specification.

N5412B saves you time

The N5412B SAS-2 compliance test software saves you time by setting the stage for automatic execution of SAS electrical tests.

Part of the difficulty of performing electrical tests for SAS is connecting the oscilloscope to the target device, configuring the scope’s measurement system for compliance testing, issuing the proper commands to perform the tests and then analyzing the measured results by comparing them to limits published in the specification.

The SAS electrical test software does much of this work for you. In addition, if you discover a problem with your device, debug tools in the scope are available to aid in root-cause analysis.

The N5412B SAS-2 compliance test software offers the required tests to verify compliance with the physical layer parameters defined per section 5.8, Tables 29-43 of the SAS-2.1 specification.

The software automatically configures the oscilloscope for each test, and it provides an informative results report that includes margin analysis indicating how close your product is to passing or failing that specification. See Table 2 for a complete list of the measurements made by the N5412B SAS-2 compliance test software.

Easy test definition

The N5412B SAS-2 compliance test software extends the ease-of-use advantages of Keysight’s Infiniium Series oscilloscopes to testing SAS designs.

The Keysight automated test engine walks you quickly through the steps required to define the tests, set up the tests, perform the tests, and view the test results. You can select a category of tests all at once, or specify individual tests.

The user interface is oriented to minimize unnecessary reconnections, which saves time and minimizes the potential for operator error. You can save tests and configurations as project files and recall them later for quick testing and review of previous test results. Straightforward menus let you perform tests with a minimum of mouse clicks.

Configurability and guided connections

The N5412B SAS-2 compliance test software provides flexibility in your test setup. When the tests you select require it, the software guides you to make connection changes with hookup diagrams.

The SAS electrical test software provides you with user-defined controls for critical test parameters, such as interface, line baud rate and number of unit intervals (UI) desired for the test group.

After configuring the tests according to your needs, the N5412B user interface displays the connection screen that is specific to the configuration data you have selected.

This includes the oscilloscope channels used for the test and the routing of any necessary SMA cabling, power dividers and test fixtures needed to perform the tests.

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