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IEEE 802.3 Ethernet Compliance and Debug Applications

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Introduction

Easy-to-use oscilloscope application that lets you:

  • Save time in understanding details of standards
  • Reduce your IEEE 802.3 test times from hours to minutes
  • Debug your device using custom configurations
  • Characterize up to 10 lanes in multi-lane devices

The greatly increased worldwide demand for video and data transfer has created new requirements for network expansion, driving innovative network elements for operation up to 100 Gb/s. New designs are facing more challenges while transferring these signals on printed circuit boards within hosts and modules, even for short distances. Measuring the IEEE 802.3 parameters can take a full day when manually characterized, and recalculating factors and equation-driven limits adds to the time the designer spends on testing.

Keysight Technologies, Inc. created the N1081A, N1082A, N1083A and N1084A IEEE 802.3 Compliance and Debug Applications to simplify measuring these transmitter parameters and to obtain full results to test limits in a few minutes. This will keep you focused on getting your products to market knowing that your results are built on the heritage and consistency of Keysight measurement technology.

Transform Complexity into Simplicity

Satisfying the comprehensive requirements of the IEEE 802.3 clauses can be very complex. The list of tests and test conditions vary from clause to clause, and each can be challenging to properly set up. The tests for each IEEE 802.3 clause vary, as do the test limits. An example of one group of tests from clause 93 is below. The time for your test development team to read and interpret the specification and then implement that understanding into test plans can take several months of effort.

Select industry-leading hardware

Configure your oscilloscope for a single module (as below) or multi-module (listed in ordering guide). Connect your device through the recommended phase trimmers to have access to measurements with intrinsic jitter as low as 50 fs. For return loss, also connect the Economy or Performance Network Analyzer, which are controlled by the DCA-X for S-parameter measurements.

Configure your measurements

Customize parameters that are specific to your setup, such as data rate and attenuation. Use default values or enter your own settings including number of waveforms or patterns taken; type of pattern; and whether or not to remove the effects of test cables. Choose Compliance mode to test within compliance limits or choose Debug mode to test to your custom limits and adjust other test parameters.

Select desired 10G/25G transmit clause

The N108xA IEEE 802.3 applications cover all transmitter tests for 12 clauses and conveniently organize the tests by clause. Click on the desired test group, and the appropriate tests are offered in Select Tests.

Choose from more than 400 tests

The tests required for each of the transmit and test signal groups are available. You can click on all tests, a group of tests or individual tests. The full test name appears in the test list and is shown in the test results and reports. A description of the test and reference to the IEEE 802.3 clauses are shown for each test.

Measure challenging parameters fast

Simply follow the steps and click Run Tests. The N108xA software will control the 86100D DCA-X, N109X DCA-M, and/or ENA/PNA/TDR and readily measure your device.

Obtain concise compliance reports

Users and customers are interested in the performance of your devices. Share a report that shows the test conditions, summary of pass/fail, summary of all tests, and details for each test. Many include the appropriate screen shot of the measured parameter.

Control your device or other equipment

The Automation tab lets you enter commands to control external devices or equipment, further sequence your tests, or to control timing.

See device performance in one view

In a few minutes, you’ll have test results showing which parameters passed or failed and the margin compared to limits. These results will provide immediate insight into how you’ll need to improve your design to meet the challenging tests in the IEEE 802.3 clauses.

Utilize test adapters

Development and characterization of advanced integrated circuits is time-consuming and expensive. Designers utilize test adapters to fully characterize their parts for use in their own or their customer’s circuits.

…or host and module compliance boards

By pairing your test adapter or compliance board with the 86100D, 86108B and N108xA software, you will have the simplest and most powerful solution available to optimize your designs and offer the best products to your customers.

Phase trimmers and a pair of cables complement your setup for the most consistent and accurate measurements.

Configure your solution in three ways

The hardware and software architecture provides wide flexibility. You may install the N108xA on the mainframe, which includes FlexDCA, or the N108xA on your PC, controlling FlexDCA on the DCA, or install both N1010A FlexDCA and N108xA on your PC. This lets you use your PC for more processing power and other applications, or you can have all measurement capability consolidated into a compact solution. The ENA/PNA is controlled by the N108xA via the PC or the DCA.

Conveniently de-skew your cables

Skew between the true and complement signals will often degrade your measured performance. While you need to characterize performance with the DUT skew included, the N108xA guides you to quickly de-skew your test cables using phase trimmers or to de-skew the N1045A or 86118A-H01 remote heads for best results.

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