Keysight Technologies N4917BSCB 400G User Manual
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Keysight Technologies N4917BSCB 400G User Manual

Keysight Technologies N4917BSCB 400G User Manual

Optical receiver test application
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Keysight N4917BSCB 400G
Optical Receiver Test Application
User Guide

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Summary of Contents for Keysight Technologies N4917BSCB 400G

  • Page 1 Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 2: Safety Notices

    AND ANY INFORMATION CONTAINED ment (EULA), a copy of which can be found HEREIN, INCLUDING BUT NOT LIMITED TO at http://www.keysight.com/find/sweula. THE IMPLIED WARRANTIES OF The license set forth in the EULA represents Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 3: Table Of Contents

    Compliance Tests for Optical Transceivers N4917BSCB Optical Receiver Stress Test Applicable Standards System Description Contacting Keysight Technologies 2 Installing the N4917BSCB 400G Optical Receiver Test Application Hardware and Software Requirements PC Hardware Requirements PC Software Requirements PC Interfaces Instrument Firmware Requirements...
  • Page 4 Automated Compliance and Performance Tests 4 Using the N4917BSCB Software Starting the N4917BSCB 400G Optical Receiver Test Application Setup tab - Setting up the N4917BSCB 400G Optical Receiver Test Application Select Tests tab – Select test and measurement task to be performed Configure tab –...
  • Page 5 Measure PAM4 eye parameters Optimize BERT deemphasis Recalibrate Reference Transmitter Readjust reference transmitter power Adjust Receive Power Set laser wavelength Set PG transmission format Set ED detection format Recall aggressor channel Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 6 Contents Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 7: Introduction

    N4917BSCB 400G Optical Receiver Test Application—At a Glance System Description Contacting Keysight Technologies This chapter provides an introduction to the Keysight N4917BSCB 400G Optical Receiver Test Application and the related documents that can be consulted to gather more background information.

  • Page 8: N4917Bscb 400G Optical Receiver Test Application-At A Glance

    N4917BSCB Optical Receiver Stress Test N4917BSCB 400G Optical Receiver Test Application provides a platform for stressed receiver sensitivity test, which is compliant to automated standards for 200GBASE and 400GBASE Optical Receiver Stress Testing.
  • Page 9 (AWG), Digital Sampling Scope (DCA), Optical Reference Transmitter, Tunable Laser, and Optical Attenuator operating together with the N4917BSCB software package. Salient features of the N4917BSCB 400G Optical Receiver Test Application include: • Remote control of all the test instrumentation •...

  • Page 10: Applicable Standards

    400GBASE-DR4 IEEE P802.3bs (Clause 124) 400G-FR4 100G lambda MSA 100G-FR, LR 100G lambda MSA 100GBASE-DR IEEE P802.3cd (Clause 140) 50G-SR/100G-SR2/200G-SR4/400G-SR8 IEEE P802.3cd (Clause 138) 50GBASE-FR and LR IEEE P802.3cd (Clause 139) Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 11: System Description

    • the N4917BSCB 400G Optical Receiver Test Application For comprehensive information related to the system requirements, refer Chapter 2, “Installing the N4917BSCB 400G Optical Receiver Test Application”. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 12: Contacting Keysight Technologies

    Introduction Contacting Keysight Technologies For more information on products, applications or services associated with Keysight Technologies, contact your local Keysight office. The complete list is available at: www.keysight.com/find/contactus. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 13: Installing The N4917Bscb 400G Optical Receiver Test Application

    Supported Equipment License Requirements Installing the Software As a prerequisite for installing the N4917BSCB 400G Optical Receiver Test Application, you require the necessary hardware and software along with various licenses. This chapter describes these requirements and steps for installing the application.

  • Page 14: Hardware And Software Requirements

    In the newer releases of FlexDCA, analysis packages that combine many separate items that were available previously under individual licenses, are now available. Refer to the FlexDCA Data Sheet to see how features of Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 15: Pc Interfaces

    Installing the N4917BSCB 400G Optical Receiver Test Application previous FlexDCA releases map into the more recent FlexDCA packages. For the N4917BSCB 400G Optical Receiver Test Application, you require the following analysis package: • N1010100A R&D Package Alternatively, use the older licenses: •...

  • Page 16: Supported Equipment

    Installing the N4917BSCB 400G Optical Receiver Test Application Supported Equipment As mentioned earlier, the N4917BSCB 400G Optical RX Test Solution comprises of a variety of instruments. For some of the instruments, alternative selections are supported. The following sections detail the equipment, including the minimum option requirements, which are compatible with the N4917BSCB Optical RX Test Solution.

  • Page 17: Dca-X Oscilloscope

    N1000A- DCA-X mainframe • 86100D-ETR/PTB/200/201/300 DCA-X mainframe • 86105D-281/IRC Electrical/Optical SMF module or • 86115D-282 /IRC Dual Optical SMF module • 86107A-020 Precision Time Base (not required, if DCA-X has the option –PTB) Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 18: Dca-M Oscilloscope

    N1078A Optical/Electrical Clock Recovery • N1077A-232/SMS/JSA Optical/Electrical Clock Recovery • N1076A-Electrical Clock Recovery For the complete list of available hardware options and accessories, refer to the Configuration Guide section in the N4917BSCB Data Sheet. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 19: License Requirements

    Most of the required licenses have also been listed in the “Supported Equipment” section. For a comprehensive list, refer to the N4917BSCB 400G Optical Receiver Stress Test Solution - Data Sheet. N4917BSCB 400G Optical Receiver Stress Test Software Configuration...
  • Page 20 0P6 or M8046A A32 or A64 32GBaud or 64GBaud ED 0P3 or UP3 PAM4 32GBaud Table 2 on page -21 shows licenses available for M8070ADVB Advanced Measurement Package for M8000 Series: Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 21 Advanced Measurement Package for M8000 Series BERT Test Solutions, USB portable 6 month license M8070ADVB-TRL Advanced Measurement Package for M8000 Series BERT Test Solutions, 30 days free Trial You can install the required licenses for the N4917BSCB application using Keysight License Manager. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 22: Keysight License Manager

    There are two versions of Keysight License Manager, which can be used to manage the licenses: Keysight License Manager 6 This license management application allows you to manage floating and USB portable licenses for a variety of software products and instruments. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 23 This license management application allows you to manage node-locked and transportable licenses for a variety of software products and instruments. Node-locked licenses: Install, view, delete Transportable licenses: Install, view, delete, and transport Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 24: Installing The Licenses

    In the License Setup Wizard for <Product Name> dialog box, type in the port_number@host_name of each server. If you have more than one server, separate them with semicolons ( ; ). For example: Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 25 Automatically start license server after every reboot is selected. For more information, you can also refer the Keysight Licensing Administrator's Guide: https://literature.cdn.keysight.com/litweb/pdf/5951-5739.pdf Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 26 Additionally, you can also refer the Keysight Licensing Administrator's Guide: https://literature.cdn.keysight.com/litweb/pdf/5951-5739.pdf Click Help > Technical Support > My Support Subscriptions to view a list NOTE of license subscriptions for your application. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 27: Installing The Software

    Installing the N4917BSCB 400G Optical Receiver Test Application Installing the Software The installer for the N4917BSCB 400G Optical Receiver Test Application can be downloaded from the Keysight website. Download the installer file from: https://www.keysight.com/main/techSupport.jspx?nid=-31929.1252867 To install the N4917BSCB 400G Optical Receiver Test Application, perform the following steps: Double-click the downloaded installer file on your PC.
  • Page 28 Installing the N4917BSCB 400G Optical Receiver Test Application Click Next. The Keysight Software End-User License Agreement window is displayed. Select Agree to agree to the license agreement and to enable the Next button. Figure 4 License Agreement window Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 29 Installing the N4917BSCB 400G Optical Receiver Test Application Click Install. Figure 5 Ready to install window Once the installation of the N4917BSCB 400G Optical Receiver Test Application begins, its status is displayed. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 30 Installing the N4917BSCB 400G Optical Receiver Test Application Once the installation is complete, the following window is displayed. Click Finish to complete the installation and exit the wizard. Figure 6 Window indicating end of installation Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 31: Concepts And Features Of N4917Bscb Software

    Keysight N4917BSCB 400G Optical Receiver Test Application User Guide Concepts and Features of N4917BSCB Software Software Concept and Flow of Optical Receiver Test Typical Setup for Optical Stress Test Automated Calibration Automated Compliance and Performance Tests This chapter provides an overview of the underlying concepts and features of...

  • Page 32: Software Concept And Flow Of Optical Receiver Test

    Adjust specific test settings (in compliance or debug mode). Connect Check the actual hardware connection with the provided reference diagram. Run Test Run the selected tests (either once or multiple times). Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 33 802.3bs and 802.3cd specifications. (For the list of supported standards, “Applicable Standards” on page 10.) The following flow chart explains the basic steps to perform a stressed optical receiver test. Figure 7 N4917BSCB Optical Receiver Testing Flow Chart Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 34: Typical Setup For Optical Stress Test

    Figure 11 illustrates the setup for the new multimode physical types (SR) 50G-SR/100G-SR2/200G-SR4/400G-SR8. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 35 Concepts and Features of N4917BSCB Software Figure 8 Setup for stressed eye signal calibration for 200GBASE-FR4/-LR4/-DR4 & 400 GBASE-FR8/LR8 with clean clock. Similar setup for 50GBASE-FR & 50GBASE-LR Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 36 Concepts and Features of N4917BSCB Software Figure 9 Setup for stressed eye signal calibration for 200 GBASE-FR4/-LR4/-DR4 & 400 GBASE-FR8/LR8 with recovered clock. Similar setup for 50GBASE-FR & 50GBASE-LR. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 37 Concepts and Features of N4917BSCB Software Figure 10 Setup for stressed eye signal calibration for 400GBASE-DR4 and 400G-FR4. Similar setup for 100GBASE-DR and 100G-FR, 100G-LR. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 38 Concepts and Features of N4917BSCB Software Figure 11 Setup for stressed eye signal calibration for 50G-SR/100G-SR2/200G-SR4/400G-SR8 Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 39 An example setup for 200GBASE-LR4/-FR4 using four 50 Gb/s lanes on four wavelengths in the O-band is shown in Figure 12, which assumes the use of a 200 GAUI-8 electrical interface. Figure 12 Optical receiver stress test setup for 200 GBASE-LR4/-FR4 Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 40: Controlling N1076A/77A From M8070B/A System Software

    Concepts and Features of N4917BSCB Software Controlling N1076A/77A from M8070B/A System Software For seamless integration of clock recovery in the N4917BSCB 400G Compliance Application, an instance of the N1076A/77A clock recovery must run the FlexDCA N1000-Series system software prior to starting the M8070B/A software.
  • Page 41 Concepts and Features of N4917BSCB Software To understand the further connection setups (supporting higher data NOTE rates), refer to the Keysight M8070B Advanced Measurement Package User Guide. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 42: Automated Calibration

    The calibration procedure then performs the following steps to create an impaired signal using the specified stress components and measuring the stress signal calibration metrics listed in the following table. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 43 Sinusoidal amplitude interferer (SI) 200GBASE standards Gaussian noise (GN) Inter-symbol-interference (ISI) Stress Signal Target Metrics Stressed eye closure (SECQ) 3.4 dB Extinction ratio (ER) 3.5 dB Stressed receiver sensitivity (OMAouter) -1.9 dBm Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 44 The N4917BSCB software also offers to change these parameters by using the calibration configuration variables (explained in Chapter “Performing Stressed Receiver Compliance Tests with N4917BSCB Software”). • Periodic Jitter Frequency (default: 119.2 MHz) Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 45 This means the RINxx.xOMA can be controlled by the SI to GN ratio (see configuration variable “Sinusoidal Interferer to Noise Ratio”) and the user has to increase the SI/GN ratio, if necessary, to meet the RINxx.xOMA condition. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 46 The PAM4 multimode standards (-SR/SR2/SR4) defined in the IEEE 802.cd are not based on the 100GBASE-SR4 recommendations (clause 95) but have the following main differences: • Clean clock (instead of recovered clock) • No jitter calibration Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 47: Automated Compliance And Performance Tests

    802.3bs Table 121-12 and IEEE 802.3cd Table 138-13. • Rx Sensitivity Measurement: measures the Rx BER versus stressed receiver sensitivity (OMAouter). • Jitter Performance Measurement: measures the Rx BER versus jitter frequency and amplitude. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 48 Stressed receiver compliance target metric Transmission Standard Signal Parameter Value 200GBASE-FR4, LR4, and DR4 Bit error ratio 2.4e-4 400GBASE-FR8, LR8, and DR4 400G-FR4 100G-FR and LR 100GBASE-DR 50G-SR/100G-SR2/200G-SR4/400G-SR8 50GBASE-FR and LR Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 49: Using The N4917Bscb Software

    Using the N4917BSCB Software Starting the N4917BSCB 400G Optical Receiver Test Application Setup tab - Setting up the N4917BSCB 400G Optical Receiver Test Application Select Tests tab – Select test and measurement task to be performed Configure tab – Configure application and test specific settings Connect tab –...

  • Page 50: Starting The N4917Bscb 400G Optical Receiver Test Application

    Ensure that proper connections with the testing instruments are established. Ensure that the measurement instruments are connected on the same LAN as the remote PC, where the N4917BSCB 400G Optical Receiver Test Application is installed. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 51 Using the N4917BSCB Software To access the N4917BSCB 400G Optical Receiver Test Application, perform the following steps: From the Start menu of the Windows 7 or 8 Operating System, select All Programs > Keysight M8070A Applications > Keysight N4917BSCB >...
  • Page 52 Using the N4917BSCB Software • If you are launching the Keysight N4917BSCB 400G Optical Receiver Test Application for the first time, the End-User License Agreement window appears. Select Agree to continue. • The N4917BSCB 400G Optical Receiver Test Application banner is displayed.
  • Page 53 IDN field displaying successful connection to M8070B Click OK to establish connection with M8070B/A and to launch the N4917BSCB 400G Optical Receiver Test Application. If the connection cannot be established, the application start will be aborted. If the required licenses are missing, a message is displayed.
  • Page 54 N4917BSCB application as well as intermediate results of measurements. Scroll up and down to display relevant messages. Figure 18 Default view of the N4917BSCB 400G Optical Receiver Stress Test Application The application framework enables you to use docking and floating NOTE windows, so the GUI can be customized to meet your requirements.
  • Page 55 Using the N4917BSCB Software For more information on how to use the various features in the N4917BSCB 400G Optical Receiver Test Application, refer to the Keysight N4917BSCB 400G Optical Receiver Test Application Online Help. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 56: Setup Tab - Setting Up The N4917Bscb 400G Optical Receiver Test Application

    Using the N4917BSCB Software Setup tab - Setting up the N4917BSCB 400G Optical Receiver Test Application Before you start any stressed signal calibrations or receiver testing with the N4917BSCB application, you must set up the application first. Figure 19 Setting up the N4917BSCB Optical Receiver Stress Test BERT Compliance...
  • Page 57 Tunable Laser Source • Reference Transmitter • Optical Attenuator In the FlexDCA software, go to Tools-> SCPI Programming Tools-> SCPI NOTE to activate the SCPI server or retrieve its information. server Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 58 Click Select... corresponding to the above instruments to connect to them using the SICL/VISA address, if not connected already. By default, when you start the N4917BSCB 400G Optical Receiver Test Application, a connection dialog is displayed to connect at least to the BERT device, else the application fails to launch.
  • Page 59 Report that is generated after test runs. Performing this step is optional. However, Keysight recommends entering these values to identify the test results for the corresponding DUT when there are large number of DUTs to be tested. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 60: Select Tests Tab - Select Test And Measurement Task To Be Performed

    The info area below the test tree shows additional information about the selected test. Figure 20 Select Tests tab Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 61 Optimize BERT deemphasis test can be configured to run automatically before Stressed receiver signal calibration using the “Optimize deemphasis on calibration start” configuration parameter. When activating/deactivating a test group, all child tests will be NOTE activated/deactivated accordingly. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 62: Configure Tab - Configure Application And Test Specific Settings

    Sequence Control, Connection Settings, Calibration Target Values and Stress Signal Parameters. Likewise, the Receiver Testing group contains some variables and BERT Settings, Jitter Measurement Settings, and RX Sensitivity Measurement subgroups. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 63 The current value of a variable is show in parentheses behind the variable name. To change a value, select an existing value from the corresponding drop down box or type in a new one. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 64: Connect Tab - Display Hardware Connection Diagrams And Test Specific Information

    HTML reports into CSV, PDF files or even to a Web Dataset Repository. For a detailed understanding of the functionality of each tab and various features within the N4917BSCB 400G Optical Receiver Test Application, refer to the Keysight N4917BSCB 400G Optical Receiver Test Application Online Help.
  • Page 65 Using the N4917BSCB Software The functionality of the Upload Results to Repository feature is not fully NOTE supported in the current version of the N4917BSCB 400G Optical Receiver Test Application. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 66: Technical Support

    Contact Technical Support) or your Keysight representative. When reporting a software crash, go to Help > Technical Support > Collect Files. Send the zip file to your Keysight Technical Support representative. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 67: Performing Stressed Receiver Compliance Tests With N4917Bscb Software

    Setting Up and Preparing the Compliance Test Setup Calibrating the stressed receiver conformance test signal Testing the stressed DUT receiver compliance Utility Functions This section describes the calibration and test procedures in the N4917BSCB 400G Optical Receiver Test Application that correspond to the applicable IEEE standard.

  • Page 68: Setting Up And Preparing The Compliance Test Setup

    DCA N1010A FlexDCA software, and the M8195A/M8196A Soft Front Panel software are running. Refer to the Note below on the order of starting the software. Figure 22 Equipment connections for IEEE802.3bs/cd calibrations and tests Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 69: Configure Global Test Settings

    BERT deemphasis tap values are listed in the root group (see Figure 23). Please note that some value cannot be changed in Compliance mode but only in Debug mode. Figure 23 Global configuration variables Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 70: Calibrating The Stressed Receiver Conformance Test Signal

    "Optimize deemphasis on calibration start" configuration variable to false. Alternatively, the BERT deemphasis optimization can be performed separately by running the "Optimize BERT deemphasis" test from the Utility functions. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 71: Configuring Calibration Specific Settings

    Highlighted in yellow are the calibration target values (according to IEEE 802.3bs standard) and the corresponding calibration tolerances. • Transmitter Extinction ratio (ER) • Stressed Eye Closure (SECQ) Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 72 To ensure the optimum measurement results, it is recommended to NOTE activate the Perform dark level calibration feature. This feature checks the DCA channel calibration status prior to each test and triggers a recalibration, if required. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 73 (6dB or 10dB) in the interference signal path as shown in Figure 27 Figure 27 Placement of RF Attenuator The flowchart on the following page depicts the N4917BSCB software stress signal calibration procedure. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 74 Performing Stressed Receiver Compliance Tests with N4917BSCB Software Figure 28 Stress signal calibration procedure Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 75: Starting The Stressed Receiver Conformance Test Signal Calibration

    The running calibration process can be aborted by clicking the Stop NOTE button on the Run tab. The intrinsic SECQ must be lower than initial target SECQ. Therefore, NOTE BERT de-emphasis optimization is recommended before each calibration. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 76 Set by standard Stressed Eye Calibration Power Mode Stressed Eye Calibration Power 3 dBm Set Attenuator Control State FALSE Initial ER Optimization REFTX Operating Point Optimization PAM4 Linearity Optimization Clean Eye Measurement Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 77 Measured PAM4 linearity • Measured clean eye SECQ (ISI only) (“initial SECQ) • Measured calibration target metrics • Screenshot of stressed receiver test signal (without TDECQ filter / with TDECQ filter) Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 78: Calibration Tasks

    68. Type Test ID 200GBASE FR4 1000 200GBASE LR4 2000 200GBASE DR4 3000 400GBASE FR8 4000 400GBASE LR8 5000 400GBASE DR4 6000 400G-FR4 7000 100G-FR 14000 100G-LR 15000 100GBASE-DR 8000 Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 79 ER Calibration Tolerance • Target Stressed Eye Closure (SECQ) • SECQ Calibration Tolerance • Target Receive Power (OMAouter) • OMAouter Calibration Tolerance • Initial SECQ Target • Initial SECQ Target Tolerance Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 80 200GBASE LR4 2004 200GBASE DR4 3004 400GBASE FR8 4004 400GBASE LR8 5004 400GBASE DR4 6004 400G-FR4 7004 100G-FR 14004 100G-LR 15004 100GBASE-DR 8000 50G-SR/100G-SR2/200G-SR4/400G-SR8 9004 50G FR 12004 50G LR 13004 Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 81 Performing Stressed Receiver Compliance Tests with N4917BSCB Software Configuration Parameters Procedure Refer to “Automated Calibration” on page 42. Results Pass/Fail Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 82: Testing The Stressed Dut Receiver Compliance

    Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 83 Since the calibration procedure can only measure the common loss in the optical path, any additional loss in the receiver test path must be measured Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 84 (“aggressor lanes”) to be connected to the other lanes of the receiver under test. For further information, check specification of the corresponding IEEE standard. The flowcharts on the following pages depict the receiver test procedures available in the N4917BSCB software. Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 85 Performing Stressed Receiver Compliance Tests with N4917BSCB Software Figure 32 Receiver conformance test procedure Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 86 Performing Stressed Receiver Compliance Tests with N4917BSCB Software Figure 33 Receiver jitter tolerance tests procedure Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 87 Performing Stressed Receiver Compliance Tests with N4917BSCB Software Figure 34 Receiver sensitivity measurement test procedure Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 88: Receiver Tests

    Pause before starting RX tests • Run ED Auto-Alignment before starting RX tests • Target Error Ratio • Target Error Ratio Confidence Level • Error Detector Alignment Threshold • Recall Aggressor Channel Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 89 Frequency Mode • Start Frequency • Stop Frequency • Number of Steps • Manual Frequency List RX Sensitivity Measurement • RX Sensitivity Test Power Start • RX Sensitivity Test Power Stop Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 90 Recall Calibration Settings • Pause before starting RX tests • Run ED Auto-Alignment before starting RX tests • Target Error Ratio • Target Error Ratio Confidence Level • Error Detector Alignment Threshold Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 91 Jitter Tolerance CDR LBW Auto • Frequency Mode • Start Frequency • Stop Frequency • Number of Steps • Manual Frequency List RX Sensitivity Measurement • RX Sensitivity Test Power Start Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 92 You may modify the following parameters for this test: • Recall Calibration Settings • Pause before starting RX tests • Run ED Auto-Alignment before starting RX tests • Target Error Ratio • Target Error Ratio Confidence Level Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 93 Frequency Relax Time • Amplitude Relax Time • Jitter Tolerance CDR LBW Auto • Frequency Mode • Start Frequency • Stop Frequency • Number of Steps • Manual Frequency List RX Sensitivity Measurement Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 94 You may modify the following parameters for this test: • Recall Calibration Settings • Pause before starting RX tests • Run ED Auto-Alignment before starting RX tests • Target Error Ratio Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 95 • Frequency Relax Time • Amplitude Relax Time • Jitter Tolerance CDR LBW Auto • Frequency Mode • Start Frequency • Stop Frequency • Number of Steps • Manual Frequency List Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 96 • RX Sensitivity Test Power Start • RX Sensitivity Test Power Stop • RX Sensitivity Test Power Step Procedure Refer to “Automated Compliance and Performance Tests” on page 47. Results Pass/Fail Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 97: Utility Functions

    “Setting Up and Preparing the Compliance Test Setup” on page 68. Type Test ID 200GBASE FR4, 200GBASE LR4, 10004 200GBASE DR4, 400GBASE FR8, 400GBASE LR8, 400GBASE DR4, 400G-FR4, 100G-FR, 100G-LR, 100GBASE-DR, 50G-SR/100G-SR2/200G-SR4/400G-SR8, 50GBASE-FR, 50GBASE-LR Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 98: Recalibrate Reference Transmitter

    “Setting Up and Preparing the Compliance Test Setup” on page 68. Type Test ID 200GBASE FR4, 200GBASE LR4, 10000 200GBASE DR4, 400GBASE FR8, 400GBASE LR8, 400GBASE DR4, 400G-FR4, 100G-FR, 100G-LR, 100GBASE-DR, 50G-SR/100G-SR2/200G-SR4/400G-SR8, 50GBASE-FR, 50GBASE-LR Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 99: Adjust Receive Power

    “Setting Up and Preparing the Compliance Test Setup” on page 68. Type Test ID 200GBASE FR4, 200GBASE LR4, 10003 200GBASE DR4, 400GBASE FR8, 400GBASE LR8, 400GBASE DR4, 400G-FR4, 100G-FR, 100G-LR, 100GBASE-DR, 50G-SR/100G-SR2/200G-SR4/400G-SR8, 50GBASE-FR, 50GBASE-LR Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 100: Set Pg Transmission Format

    “Setting Up and Preparing the Compliance Test Setup” on page 68. Type Test ID 200GBASE FR4, 200GBASE LR4, 10007 200GBASE DR4, 400GBASE FR8, 400GBASE LR8, 400GBASE DR4, 400G-FR4, 100G-FR, 100G-LR, 100GBASE-DR, 50G-SR/100G-SR2/200G-SR4/400G-SR8, 50GBASE-FR, 50GBASE-LR Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...

  • Page 101: Recall Aggressor Channel

    200GBASE DR4, 400GBASE FR8, 400GBASE LR8, 400GBASE DR4, 400G-FR4, 100G-FR, 100G-LR, 100GBASE-DR, 50G-SR/100G-SR2/200G-SR4/400G-SR8, 50GBASE-FR, 50GBASE-LR Configuration Parameters • Recall Aggressor Channel • Aggressor Channel Source • Aggressor Channel Target Results Pass/Fail Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 102 Performing Stressed Receiver Compliance Tests with N4917BSCB Software Keysight N4917BSCB 400G Optical Receiver Test Application User Guide...
  • Page 103 Keysight N4917BSCB Optical Receiver Stress Test User Guide...
  • Page 104 This information is subject to change without notice. © Keysight Technologies 2017-2019 Edition 4.0, June 2019 www.keysight.com...

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