Release Notes  
Product (s)	: TekExpress 400G-TXE Solution 
Version		: Version 1.0.1
Last Revised	: 20-Nov-2017

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Contents:

1. Introduction
2. List of supported equipment’s 
3. List of supported test
4. TekExpress Application created changes on your system
5. Recommendations
6. Known Limitations 
   6.1 Installer related limitation

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1. Introduction

The Tektronix TekExpress 400G-TXE provides an automated test solution for OIF-CEI-56G specification 
 - CEI-VSR: Host output-TP1a(Section 16.3.2, Table: 16-1), Module output-TP4(Section 16.3.3, Table 16-4), TP0a(Section 16.B.1.1, Table 16-10)
 - CEI-MR: Section 17.31, Tables 17-2 and 17-3
 - CEI-LR: Section 21.3.1, Tables 21-2 and 21-3

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2. List of supported equipment’s 

Scope: DPS77004SX, DPO77002SX, DPS75904SX, DPO75902SX, DPS75004SX, DPO75002SX, 
       DPS73308SX, DPO73304SX, DPO73304DX, MSO73304DX

For Compliance testing minimum of 2 stacks SX scopes with Bandwidth >= 50GHz is recommended.

Prerequisite:
	Supported Scope Version: 10.8 or greater
	Supported PAM4 Analysis Version: 10.5.0 or greater

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3. List of supported tests 

3.1 For CEI-VSR(TP0a)
    a) DC Common Mode Output Voltage
    b) Common Mode Noise
    c) Diff Peak to Peak Output Voltage-Tx Enabled
    d) Transition Time
    e) Signal to Noise and Distortion Ratio
    f) Even Odd Jitter
    g) Uncorrelated Bounded High Probability Jitter
    h) Uncorrelated Unbounded Gaussian Jitter


3.2 For CEI-VSR(TP1a/TP4)
    a) DC Common Mode Output Voltage
    b) Common Mode Noise
    c) Diff Peak to Peak Output Voltage-Tx Enabled
    d) Transition Time
    e) Near End Eye Width
    f) Near End Eye Height 
    g) Near End Eye Linearity  
    h) Near End Eye Symmetry Mask Width
    i) Far End Eye Width
    j) Far End Eye Height 
    k) Far End Eye Symmetry Mask Width


3.3 For CEI-MR / CEI-LR 
    a) DC Common Mode Output Voltage
    b) Common Mode Noise
    c) Single Ended Output Voltage
    d) Diff Peak to Peak Output Voltage-Tx Enabled
    e) Signal to Noise and Distortion Ratio
    f) Level Separation Mismatch Ratio
    g) Linear Fit Pulse Peak
    h) Steady State Voltage
    i) Even Odd Jitter
    j) Uncorrelated Bounded High Probability Jitter
    k) Uncorrelated Unbounded Gaussian Jitter

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4. TekExpress 400G-TXE created changes on your system.

After first launch of "TekExpress 400G-TXE.exe" following changes take place in your Scope.
a) "My TekExpress" folder is created under "My Documents" folder of current user
    NOTE: If a user with new login ID launches "TekExpress 400G-TXE.exe" ,
   "My TekExpress" folder is created under "My Documents" of the new user. 
b) "Untitled Session" folder is created under "400G-TXE" folder when the 
   application is launched and will be deleted after proper termination of the
   application.
c) If user saves a session then all session files are saved under "400G-TXE"
   folder accordingly. Note that each session has multiple files associated with it and do 
   not tamper with any of the session file(s) and/or folder(s) as this may result in loss 
   of data or corrupted session files.

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5. Recommendations

Ensure that all the required instruments are properly warmed up, Signal Path Compensation 
is performed, appropriate attenuators are used when connecting signal to ATI channels and 
deskew is done.

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6. Known Limitations

6.1 Installer related limitation 
    a) Installation of TekExpress and other software packages are installed on C: 
       drive only.
    b) The available free space on C: drive must be minimum 2.2GB.

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