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Summary of Contents for Tektronix TMT4
- Page 1 TMT4 Margin Tester User Manual Register now! Click the following link to protect your product. www.tek.com/register *P077173100* 077-1731-00...
- Page 2 Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries or suppliers, and are protected by national copyright laws and international treaty provisions. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material. Specifications and price change privileges reserved.
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Page 3: Table Of Contents
DUT Tx tests..................................27 DUT Rx tests..................................30 Quick Scan...................................31 Custom Scan..................................33 REST API Programming................................35 Example 1: Start a Custom Scan and download results......................39 Example 2: Start a Quick Scan and download results......................42 Index......................................44 TMT4 Margin Tester User Manual... -
Page 4: Important Safety Information
Important safety information Important safety information This manual contains information and warnings that must be followed by the user for safe operation and to keep the product in a safe condition. To safely perform service on this product, see the Service safety summary that follows the General safety summary. General safety summary Use the product only as specified. -
Page 5: Terms In This Manual
When this symbol is marked on the product, be sure to consult the manual to find out the nature of the potential hazards and any actions which have to be taken to avoid them. (This symbol may also be used to refer the user to ratings in the manual.) TMT4 Margin Tester User Manual... -
Page 6: Service Safety Summary
This section lists the safety and environmental standards with which the instrument complies. This product is intended for use by professionals and trained personnel only; it is not designed for use in households or by children. Compliance questions may be directed to the following address: Tektronix, Inc. PO Box 500, MS 19-045 Beaverton, OR 97077, USA tek.com... - Page 7 Measurement Category IV. For measurements performed at the source of low-voltage installation. Note: Only mains power supply circuits have an overvoltage category rating. Only measurement circuits have a measurement category rating. Other circuits within the product do not have either rating. TMT4 Margin Tester User Manual...
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Page 8: Environmental Compliance
This symbol indicates that this product complies with the applicable European Union requirements according to Directives 2012/19/EU and 2006/66/EC on waste electrical and electronic equipment (WEEE) and batteries. For information about recycling options, check the Tektronix Web site (www.tek.com/productrecycling). Battery recycling This product contains a small installed lithium metal button cell. -
Page 9: Key Features
100-240 V Frequency 50-60 Hz Power 200 W maximum WARNING: To reduce the risk of fire and shock, ensure that the mains power supply voltage fluctuations do not exceed 10% of the operating voltage range. TMT4 Margin Tester User Manual... - Page 10 Key features Environmental Temperature Operating 0°C to +50°C, with 15°C/hour maximum gradient, non-condensing Non-operating -40°C to +71°C, with 30°C/hour maximum gradient Required instrument clearance Rear None Bottom Feet provide sufficient clearance. Do not operate instrument without feet. Sides 50.8 mm (2 in) None Humidity Operating...
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Page 11: Setup And Installation
6. Enter the serial number of your instrument into the Factory Password field. Then enter a new password in the New Password field. Re-enter the password. Be sure to remember the new password or record and place it in a secure location. It will be needed each time the instrument is remotely accessed. TMT4 Margin Tester User Manual... - Page 12 Setup and installation 7. A Welcome screen with the instrument menus will appear after you click the Change Password button. Remote control through the API You can program and control your instrument using API commands. Do the following to access the Swagger interface for the API: 1.
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Page 13: Front Panel Controls And Connectors
5 (Not yet available) Trigger Out +1.25 V, 50 Ω 6 (Not yet available) Trigger In +3.3 V, 50 Ω 7 5" LCD touch screen provides access to basic controls and test results. TMT4 Margin Tester User Manual... -
Page 14: Rear Panel Connectors
Setup and installation Rear panel connectors The rear panel connectors provide access to power and LAN. Description 1 LAN. 10/100/1000 Base-T Ethernet port for remote connection to a PC. 2 SD memory card slot. This slot will be used for core storage needs. Removable for sensitive purposes related to declassification as needed. -
Page 15: Menus
Menus Menus The web interface menus allow you to access the full range of the TMT4 Margin Tester features. The front panel provides access to run a Quick Scan, see Quick Scan results, and view the instrument IP address. The navigation panel is on the left side of the Web interface Welcome screen. It allows you to access the various menus, check link status, instrument serial number, and adapter information. -
Page 16: Home
Menus Home The Welcome screen tells you how to get started with a scan. At the bottom of the screen are buttons to access the Tektronix End User License Agreement (EULA) and Legal Notices. You can access the Home and Logout icons from the upper right of the window from any screen. Click the Home icon to return to the... -
Page 17: Setup
Menus Setup The Setup menu allows you to select Quick Scan or Custom Scan test types. Which you select determines the menu options. The following images show Quick Scan and Custom Scan examples. TMT4 Margin Tester User Manual... -
Page 18: Results
Menus Results The Results screen shows test results. The available data depend on the test type and other parameters. See the Quick Scan and Custom Scan topics in this document for details. Save/Recall Enter the file name for the results you want to save. You can also add any notes. Results are saved to your PC's Downloads folder by default. -
Page 19: Utility
Menus Utility The Utility menu provides access to the TMT4 software (firmware) version, self test run and results, a way to export log files, and a way to set the instrument date and time. Upgrade the instrument firmware You can upgrade the instrument firmware as follows. -
Page 20: Operation
Operation Operation Adapters The following adapters are available for use with the TMT4 Margin Tester and your device under test. You can purchase adapters individually or together in the PRO BUNDLE set. See the TMT4 datasheet on tek.com for ordering details. - Page 21 Operation Figure 2: PCIe 4.0 x4 CEM Edge adapter Figure 3: PCIe 4.0 x8 CEM Edge adapter Figure 4: PCIe 4.0 x16 CEM Edge adapter TMT4 Margin Tester User Manual...
- Page 22 Operation Figure 5: PCIe 4.0 x16 CEM Slot adapter Figure 6: PCIe 4.0 M.2 22mm Edge adapter and integrated cable Figure 7: PCIe 4.0 M.2 22mm Edge length extender for M.2 Edge adapter and cable (2230, 2242, 2260, 2280, 22110). This is an extender that allows you to secure your M.2 adapter to a motherboard DUT.
- Page 23 Operation Figure 9: PCIe 4.0 U.2 Edge adapter Figure 10: PCIe 4.0 U.2 Slot adapter TMT4 Margin Tester User Manual...
- Page 24 Operation Figure 11: PCIe 4.0 U.3 Edge adapter Figure 12: PCIe 4.0 U.3 Slot adapter...
- Page 25 Figure 14: Custom scan setup example using a x16 CEM Slot adapter for graphics card testing. Custom scan can only be run and results seen from the web UI. Figure 15: Setup using M.2 Edge adapter and integrated cable for motherboard testing. TMT4 Margin Tester User Manual...
- Page 26 Operation Figure 16: Setup using M.2 Slot adapter for SSD testing.
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Page 27: Dut Tx Tests
The Device Under Test (DUT) Transmitter (Tx) tests are optimized to deliver insight into the transmitter path performance of the DUT in minutes. This section provides the benefits of the test, and an introduction to eye diagrams and link training using the TMT4 Margin Tester. - Page 28 Operation The eyes are shown in real-time, which means it only takes seconds before results begin to display. Link training parameters The Margin Tester shows not only the performance of the link by displaying eye diagrams, but also displays how the Margin Tester’s receivers were adjusted to maximize the generated eye.
- Page 29 Operation If an eye is wide open, but the equalization settings are pushed to their maximum, it may indicate there are some performance considerations for that given lane and preset combination. TMT4 Margin Tester User Manual...
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Page 30: Dut Rx Tests
Operation DUT Rx tests The DUT receiver (Rx) test is a functional evaluation of the DUT’s receiver path. This test determines how far the transmitted signal from the Margin Tester can be decreased, within a range of operation, before errors are returned. -
Page 31: Quick Scan
Operation Quick Scan The Quick Scan is the fastest scan option and can be done from the TMT4 front panel or from the Web interface. Set up and run a Quick Scan You can run a Quick Scan from the Web interface as follows. - Page 32 • For a DUT Tx test, the results show the resulting eye diagrams at the receiver of the TMT4 instrument, and the associated link training parameter values that show the equalization used at the TMT4 receivers to open the eyes.
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Page 33: Custom Scan
This allows you to quickly view results across all charts and draw conclusions as to the performance of any given lane or preset grouping for up to 160 lane-preset combinations. TMT4 Margin Tester User Manual... - Page 34 Operation...
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Page 35: Rest Api Programming
You can access the API interface and documentation through the Swagger interface. The interface provides the calls, parameters, a way to download a *.json file of all of the commands, and an interface for sending calls to the TMT4. Access the API through the Swagger interface 1. - Page 36 REST API Programming 3. Click the blue Execute button.
- Page 37 1. Select the Login command from the Password section and expand the view. 2. Click the Try It Out button. 3. Enter the instrument user name and password in the Response body field. 4. Click the Execute button. TMT4 Margin Tester User Manual...
- Page 38 REST API Programming 5. In the Response Body section, copy the long token string (without the quotation mark). 6. Go to the top of the screen and click the Authorize button. 7. Paste the token string copied from the previous step into the token authentication Value field. 8.
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Page 39: Example 1: Start A Custom Scan And Download Results
REST API Programming Example 1: Start a Custom Scan and download results This example uses Python and shows how to use the TMT4 API to do the following. 1. Format and send a login request. 2. Format and send a Custom Scan request. - Page 40 REST API Programming Monitor the progress of a scan 1. Ping the Status endpoint to get the current status of the Margin Tester. 2. View the 'teststatus' key in the return object to view the current test status. 3. When 'teststatus' is either Aborted or Finished, scan is complete.
- Page 41 Results are returned in the form of a .zip file containing CSVs, charts, and more. You can either open the zip file and view the results as-is, or recall the zip file to the Web interface through the Save / Recall page. TMT4 Margin Tester User Manual...
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Page 42: Example 2: Start A Quick Scan And Download Results
REST API Programming Example 2: Start a Quick Scan and download results This example uses Python and shows how to use the TMT4 API to do the following. 1. Format and send a login request. 2. Format and send a Quick Scan request. - Page 43 Results are returned in the form of a Zip file containing CSVs, charts, and more. You can either open the zip file and view the results as-is, or recall the zip file to the Web UI via the Save / Recall page. TMT4 Margin Tester User Manual...
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Page 44: Index
Index Adapter status Rear panel REST API Check Link Scan Cleaning Serial number Clearance Setup menu Commands Specifications physical Connectors rear panel Custom Scan Python example user documentation Utility menu Dimensions documentation Weight Welcome screen Environmental specifications EULA Front panel Home menu Legal notices manuals...
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