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M8091BSPA IEEE 802.3bs Receiver Test Pre-Compliance Application

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Prices for: United States

* Prices are subject to change without notice. Prices shown are Manufacturer's Suggested Retail Prices (MSRP). Prices shown are exclusive of taxes.

Key Features & Specifications

  • Supported standards: 200GAUI-4 & 400GAUI-8 C2M chip to module (host and module) PAM4 at 26.5625 GBaud
  • Guided setup, automated stress signal calibration and pre-compliance measurement
  • Same look and feel as N6472A IEEE802.3bs/cd Compliance Application
  • IEEE 802.3bs implemented according to draft 3.5, (crosstalk calibration at TP4 according to draft D3.2 and JRMS calibration still according to D2.1)
  • HTML test report - Can be integrated with N8844A Data Analytics Web Service Software
  • M8091BSPA-1FP fixed node locked license includes 12 months of update service and support

Description

The M8091BSPA receiver test application is designed to assist and simplify the stress signal calibration used for testing the inputs of 200GAUI-4 and 400GAU-8 PAM4 capable hosts and modules. It reduces user interaction to a minimum and performs all required calibration routines and compliance testing automatically by remote controlling all required instruments.

J-BERT M8020A handles DME based training messages

PAM4 receiver stress signal for 400GAUI-8 calibrated using M8091BSPA

 

The test application utilizes the same framework for the graphical user interface as most of Keysight transmitter test applications reducing training time by providing a common look and feel. When performing setup changes, the user is guided by diagrams as well as text to minimize errors.

M8040A 64 GBaud High-performance BERT testing 400GAUI-8 C2M receiver

400GAUI-8 C2M receiver stress test setup using M8040A BERT

 

The respective clauses and annexes of the IEEE 802.3 specification which were added during the bs project for 200GbE and 400GbE, define the stress signal through a mated hots compliance board (HCB) and module compliance board (MCB) connection. Both the receiver side and the transmitter side have equalization capabilities. The definition of the stress signal assumes an optimized link. Therefore, the transmitter of the receiver test equipment as well as the receiver of the signal measurement device must be optimized for the given stress channel. This has to be done iteratively for each test setup. The standard requires the transmitter equalization (TxEQ) to be kept as small as possible to increase the stress on the device under test’s receiver (DUT RX). This process is very time consuming. The M8091BSPA Receiver test application performs this task automatically.

Numerical and graphical results of successful 400GAUI-8 RX calibration

PAM4 receiver stress signal for 400GAUI-8 calibrated using M8091BSPA

 

Results of the individual calibration steps and tests are presented in tabular form as well as graphical form where appropriate. Calibrations and test results can be stored in projects and recalled at a later point in time. The application can generate an HTML based test report.

Recommended Instrument Configurations for 200GAUI-4 & 400GAUI-8 C2M Receiver Test Setup

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