MULTILANE ML4035 User manual

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ML4035 | User Guide
User Manual Revision 2.0, November 2022
Installation | Connection | Calibration| Measurement

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Notices
Caution statements identify conditions or
practices that could result in damage to this product or
other property.
Electro static sensitive device. Operate in ESD
supervised and controlled areas.
Copyright © MultiLane Inc. All rights reserved. Licensed
software products are owned by MultiLane Inc. or its
suppliers and are protected by United States copyright
laws and international treaty provisions.
Use, duplication, or disclosure by the Government is
subject to restrictions as set forth in subparagraph (c)(1)(ii)
of the Rights in Technical Data and Computer Software
clause at DFARS 252.227-7013, or subparagraphs (c)(1)
and (2) of the Commercial Computer Software -- Restricted
Rights clause at FAR 52.227-19, as applicable.
MultiLane Inc. 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.
General Safety Summary
Review the following safety precautions to avoid injury
and prevent damage to this product or any products
connected to it. To avoid potential hazards, use this
product only as specified.
Only qualified personnel should perform service
procedures.
While using this product, you may need to access other
parts of the system. Read the General Safety Summary in
other system manuals for warnings and cautions related to
operating the system.
To Avoid Fire or Personal Injury
Use Proper Power Cord. Only use the power cord specified
for this product and certified for the country of use.
Observe All Terminal Ratings. To avoid fire or shock hazard,
observe all ratings and markings on the product. Consult
the product manual for further ratings information before
making connections to the product.
Do not apply a potential to any terminal, including the
common terminal that exceeds the maximum rating of that
terminal.
Do Not Operate Without Covers.
Do not operate this product with covers or panels removed.
Avoid Exposed Circuitry. Do not touch exposed
connections and components when power is present.
Do Not Operate with Suspected Failures.
If you suspect there is damage to this product, have it
inspected by qualified service personnel.
Do Not Operate in Wet/Damp Conditions. Do Not Operate
in an Explosive Atmosphere. Keep Product Surfaces Clean
and Dry

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Table of Contents
Notices ...............................................................................................................................2
Table of Contents...............................................................................................................3
Table of Figures ..................................................................................................................6
Revision Control .................................................................................................................8
Product Software................................................................................................................9
Minimum PC Requirements ....................................................................................................... 9
List of Acronyms ...............................................................................................................10
Introduction......................................................................................................................11
ML4035: TDR|BERT|DSO..................................................................................................12
Key Features............................................................................................................................ 13
Target Applications.................................................................................................................. 13
Installation .......................................................................................................................15
Connecting to the Instrument ...........................................................................................16
ML4035 TDR .....................................................................................................................18
Connection & Mode Selection.................................................................................................. 18
TDR & S-Parameter Measurements.......................................................................................... 18
Time-Domain Reflectometry.......................................................................................................................19
Impedance Profile “Align” step...................................................................................................................19
Insertion Loss ..............................................................................................................................................22
Insertion Loss Calibration............................................................................................................................22
Return Loss..................................................................................................................................................26
ML4035 DSO.....................................................................................................................31
DSO Configuration Pane..............................................................................................................................31
GUI Features & Functions ................................................................................................. 32
DSO Configuration ................................................................................................................... 32
Modes of Operation................................................................................................................. 33
DSP & Filtering ................................................................................................................. 35
Bessel Thomson....................................................................................................................... 35

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CTLE......................................................................................................................................... 36
De-Embedding Filter ................................................................................................................ 36
DFE Filter ................................................................................................................................. 37
FFE Filter.................................................................................................................................. 38
Moving Average Filter.............................................................................................................. 39
Normalizing Filter .................................................................................................................... 40
Multiple Filters ........................................................................................................................ 41
Filter + Preserve Noise ............................................................................................................. 42
ML4035 BERT.................................................................................................................... 44
GUI Overview .......................................................................................................................... 44
PLL Lock and Temperature Status Field .................................................................................... 44
Reading the installed Firmware Revision.................................................................................. 45
Line Rate Configuration (Applies to all channels at once) ......................................................... 45
Tx Optimization ....................................................................................................................... 46
Mode & Clock Out Settings (Apply to all channels at once) ...................................................... 47
Transmitter and receiver settings............................................................................................. 49
PRBS ............................................................................................................................................................49
User-defined Pattern ..................................................................................................................................50
Amplitude Settings......................................................................................................................................51
Scaling .........................................................................................................................................................52
7 Taps Settings ............................................................................................................................................53
RX Equalization............................................................................................................................................54
Error Insertion.............................................................................................................................................55
Example Inner and Outer setting Effect......................................................................................................55
Taking Measurements......................................................................................................56
Bit Error Ratio Reading............................................................................................................. 56
BER Control.............................................................................................................................. 56
Real time BER..............................................................................................................................................56
Moving Window BER...................................................................................................................................57
BER Table of Results ................................................................................................................ 57
BER Graph ............................................................................................................................... 57

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Signal to Noise Ratio Analysis .................................................................................................. 58
Log file System......................................................................................................................... 58
Saving and Loading Settings..................................................................................................... 58
Appendix 1 –Adding the ML4035 to the Network.............................................................59
Appendix 2 –Changing the IP Address to Suit a Corporate Network................................. 61
IP Address Changing on ML4035 ................................................................................................ 61

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Table of Figures
Figure 1: Setup installation procedure ....................................................................................15
Figure 2: Connection box.........................................................................................................16
Figure 3: Connection failure notification.................................................................................17
Figure 4 mode selection...........................................................................................................18
Figure 5 Impedance profile Graph...........................................................................................19
Figure 6 Cables matching.........................................................................................................20
Figure 7 TDR measurement .....................................................................................................21
Figure 8 Velocity of propagation .............................................................................................21
Figure 9 Reference circuit setup..............................................................................................23
Figure 10 Reference circuit Normalization ..............................................................................23
Figure 11: Advanced Options...................................................................................................24
Figure 12 S21 Measurement....................................................................................................25
Figure 13 IL Mask .....................................................................................................................25
Figure 14: ILD & IL Fitted..........................................................................................................26
Figure 15 De-embedding .........................................................................................................26
Figure 16 Calibration Wizard ...................................................................................................27
Figure 17 Gating setup.............................................................................................................27
Figure 18 Markers....................................................................................................................28
Figure 19 Return Loss Measurement.......................................................................................29
Figure 20: S11 Measurements .................................................................................................29
Figure 21: Return Loss Mask....................................................................................................30
Figure 22: DSO configuration pane..........................................................................................31
Figure 23: Measurement Settings Pane...................................................................................32
Figure 24: Modes of Operation................................................................................................33
Figure 25: Pattern capture mode.............................................................................................34
Figure 26: Bessel Thomson Filter.............................................................................................35
Figure 27: CTLE Filter ...............................................................................................................36

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Figure 28: De-Embedding Filter ...............................................................................................37
Figure 29: DFE Filter.................................................................................................................38
Figure 30: FFE Filter..................................................................................................................39
Figure 31: Moving Average Filter.............................................................................................40
Figure 32: Normalizing Filter....................................................................................................41
Figure 33: Multiple Filters........................................................................................................42
Figure 34: Filter + Preserve Noise............................................................................................43
Figure 35: ML4035 BERT GUI...................................................................................................44
Figure 36: Default Inner and Outer settings of 1000 and 2000...............................................55
Figure 37: Outer Eye is set 1600; Inner eye kept at 1000........................................................55
Figure 38: BER Control panel ...................................................................................................56
Figure 39: BER Graphs..............................................................................................................57
Figure 40: SNR ratio for PAM signal.........................................................................................58
Figure 41: IP Address Changing Using Ethernet Cable ............................................................61
Figure 42: Setup Installation Procedur……………………………….. ....Error! Bookmark not defined.

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Revision Control
Revision number
Description
Release Date
2.0
▪API Version v6.1.2
14/7/2022
4.3.1
▪SW rev. 4.1.8.1
5/10/2022

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Product Software
The instrument includes the following software:
▪ ML4035 Cerberus SW
▪ ML1105
▪ ML4035 Maintenance GUI
Instrument GUI runs on Windows XP (32/64 bit), Windows 7,8 and 10.
These applications require the Microsoft .NET Framework 3.5.
If the Microsoft.NET Framework 3.5 is needed, it can be downloaded through this
link:
http://download.microsoft.com/download/2/0/e/20e90413-712f-438c-988e-
fdaa79a8ac3d/dotnetfx35.exe.
For more products updates, check the following webpage: www.multilaneinc.com/products.html
Minimum PC Requirements
The Windows PC properties for the ML4035 software should meet the following specifications:
▪ Windows XP SP3 or greater
▪ Minimum 1 GB RAM
▪ 1 Ethernet card to establish connection with the device
▪ USB Connector
▪ Pentium 4 processor 2.0 GHz or greater
▪ .NET Framework 3.5 sp1
NOTES:

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List of Acronyms
Acronym
Definition
BW
Bandwidth
BERT
Bit Error Rate Tester
Conf
Configuration
DUT
Device Under Test
FEC
Forward Error Correction
FW
Firmware
GBd
Giga Baud
Gbps
Gigabits per second
GUI
Graphical User Interface
HW
Hardware
ISI
Inter-symbol Interference
JTOL
Jitter Tolerance
KGU
Known Good Unit
NRZ
Non-Return to Zero
PAM4
Pulse Amplitude Modulation (4-level)
SI
Signal Integrity
SNR
Signal-to-Noise Ratio
Sim
Simulation
SW
Software