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U7236A/B 10GBASE-T, MGBASE-T and NBASE-T Ethernet Electrical Conformance Application

Data Sheets

The Keysight Technologies, Inc. U7236A/B 10GBASE-T, MGBASE-T and NBASE-T Ethernet electrical conformance application for Infiniium oscilloscopes provides you with a fast and accurate way to verify and debug your 10GBASE-T, MGBASE-T and NBASE-T Ethernet designs. The 10GBASE-T, MGBASE-T and NBASE-T Ethernet electrical test software allows you to automatically execute 10GBASE-T, MGBASE-T and NBASE-T Ethernet physical medium attachment (PMA) physical-layer (PHY) electrical tests, and it 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 10GBASE-T, MGBASE-T and NBASE-T measurements with the U7236A/B Ethernet electrical conformance test software, you also need the Keysight U7237A Ethernet electrical conformance test fixture. The U7237A test fixture gives you easy access to confidently probe 10GBASE-T, MGBASE-T and NBASE-T devices by bringing the signals from the RJ-45 connector out to the SMP connectors. SMP-to-SMA cables and other accessories are supplied to connect to the test instrument inputs.

The U7236A/B 10GBASE-T, MGBASE-T and NBASE-T Ethernet electrical test software performs a wide range of electrical tests required to meet the Ethernet electrical specifications for 10GBASE-T, MGBASE-T and NBASE-T, as documented in the IEEE 802.3 2012, MGBASE and IEEE P802.3bz standards. To meet signal quality requirements, your product should successfully pass conformance testing based on these specifications. Performing these tests gives you confidence in your design. The U7236A/B 10GBASE-T, MGBASE-T and NBASE-T Ethernet electrical test software helps you execute a wide subset of the conformance tests using an oscilloscope, spectrum analyzer and vector network analyzer.

The U7236A/B 10GBASE-T, MGBASE-T and NBASE-T Ethernet electrical test software offers several features to simplify the validation of Ethernet designs:

  • Complete coverage of the 10GBASE-T transmitter electrical specifications as described in section 55.5.3 of IEEE 802.3-2012.
  • Complete coverage of the MGBASE-T transmitter electrical specifications as described in the MGBASE-T-TI100-R.
  • Complete coverage of the NBASE-T transmitter electrical specification as described in the IEEE P802.3bz.
  • Accurate return loss testing performed with a supported Keysight vector network analyzer.
  • Automated measurement setup and programming of oscilloscope, spectrum analyzer and vector network analyzer for increased accuracy, time-savings and repeatability.
  • Automated test engine with extremely user-friendly interface, allowing you to set up instruments and select and configure tests to be run, resulting in a comprehensive report of test results with margin analysis.

 

U7236A/B Saves You Time

The U7236A/B software and U7237A fixture will save you time by setting the stage for

automatic execution of 10GBASE-T, MGBASE-T and NBASE-T Ethernet electrical tests. Part of the difficulty of performing the 10GBASE-T, MGBASE-T and NBASE-T electrical tests is to properly set up and configure the oscilloscope, spectrum analyzer, and vector network analyzer that are used to make the required measurements. This is a time-consuming task; the U7236A/B takes care of the instrument control and configures the oscilloscope, spectrum analyzer, or vector network analyzer as needed by each test to provide rapid, accurate, and repeatable test execution. In addition, if you discover a problem with your product, debug tools in the oscilloscope are available to aid in root-cause analysis.          

Easy Test Definition

The U7236A/B 10GBASE-T, MGBASE-T and NBASE-T Ethernet electrical test software extends the ease-of-use advantages of Keysight’s Infiniium oscilloscopes to testing 10GBASE-T, MGBASE-T and NBASE-T Ethernet. The software installs and runs on the oscilloscope and provides you with a clean interface to quickly connect to the spectrum analyzer and vector network analyzer you are using for the tests. It then guides you quickly through the steps required to define and configure the tests, execute the tests, and view the test results. A setup page enables you to quickly make decisions from the outset regarding the choice of tests and perform functions that affect the testing task. The test selections available in the following steps are then filtered according to the choices made in the setup page. While selecting tests, you can select a category of tests all at once or specify individual tests. 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 U7236A/B 10GBASE-T, MGBASE-T and NBASE-T Ethernet electrical test software provides flexibility in your test setup. It guides you to make connection changes with hookup diagrams when the tests you select require it. All 10GBASE-T, MGBASE-T and NBASE-T Ethernet  electrical tests you perform are based on the Keysight U7237A 10GBASE-T, MGBASE-T and NBASE-T Ethernet electrical test fixture. You connect the oscilloscope to the test fixture using the supplied pair of SMP (female) to SMA (male) phase-matched cables. For additional instruments such as the spectrum analyzer, or the vector network analyzer for return loss measurements, the U7236A/B will guide you through the connections with detailed instructions and diagrams. The spectrum analyzer and vector network analyzer are controlled through the Keysight IO Libraries and therefore can be linked to the scope through a USB-to-GPIB connection or through the LAN

 

Reports with Margin Analysis

In addition to providing you with measurement results, the U7236A/B 10GBASE-T, MGBASE-T and NBASE-T Ethernet electrical test software provides a report format that shows you where your product passes or fails and reports how close you are to the limits specified for a  particular test. You can select the margin test report parameter, which means you can specify the level at which warnings are issued to alert you to electrical tests where your product is operating close to the official test limit defined by the 10GBASE-T, MGBASE-T and NBASE-T Ethernet specification.

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