Tektronix CSA7000 Series Manuale utente

User Manual

CSA7000 Series

Serial Mask Testing &

Serial Pattern Trigger

TDS6000 & TDS7000 Series

Option SM Serial Mask Testing

Option ST Serial Pattern Trigger

071-1035-03

This document applies to firmware version 2.2

and above.

www.tektronix.com

Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes

that in all previously published material. Specifications and price change privileges reserved.

Tektronix, Inc., P.O. Box 500, Beaverton, OR 97077-0001

TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

Serial Mask Testing & Serial Pattern Trigger User Manual i

Table of Contents

Preface iii...................................................

Manual Structure iii................................................

Related Manuals iii.................................................

Contacting Tektronix v.............................................

Getting Started 1............................................

Product Description 1..............................................

Installing Optional Serial Mask Testing and Serial Pattern Trigger Functions

on TDS6000 and TDS7000 Series Instruments 3.....................

Operating Basics 5..........................................

Serial Mask Testing Functions 5......................................

Accessing Serial Pattern Trigger Functions 8............................

Reference 11.................................................

Mask Testing 11....................................................

Communication (Comm) Triggering 32.................................

Serial Pattern Trigger 36.............................................

Appendix A: Supported Mask Types and Standards 41............

Appendix B: Supported Communication Trigger

Codes and Standards 45...................................

Appendix C: Automatic Communication Signal Measurements 47...

Levels Used in Taking Eye Measurements 48............................

Index 51....................................................

Table of Contents

ii Serial Mask Testing & Serial Pattern Trigger User Manual

List of Figures

Figure 1: Masks control window 5.............................

Figure 2: Communication signal trigger functions 6..............

Figure 3: Communication measurement functions 7..............

Figure 4: Serial pattern trigger control window 8.................

Figure 5: Eye-diagram and optical values 48......................

List of Tables

Table 1: Masks control window functions 5.....................

Table 2: Communication trigger functions 6....................

Table 3: Serial trigger functions 8.............................

Table 4: ITU-T masks 41......................................

Table 5: ANSI T1.102 masks 41................................

Table 6: Ethernet masks 41....................................

Table 7: SONET/SDH masks 42................................

Table 8: Fibre Channel masks 42...............................

Table 9: Fibre Channel Electrical masks 42......................

Table 10: InfiniBand masks 42.................................

Table 11: Serial ATA masks 42.................................

Table 12: USB 1.1/2.0 masks 43................................

Table 13: 1394b masks 43.....................................

Table 14: Rapid IO LP-LVDS masks 43.........................

Table 15: Rapid IO Serial masks 43............................

Table 16: IOF masks 44.......................................

Table 17: PCI-Express masks 44...............................

Table 18: AMI trigger standards 45.............................

Table 19: B3ZS trigger standards 45............................

Table 20: B6ZS trigger standards 45............................

Table 21: B8ZS trigger standards 45............................

Table 22: CMI trigger standards 46.............................

Table 23: HDB3 trigger standards 46...........................

Table 24: MLT3 trigger standards 46...........................

Table 25: NRZ trigger standards 46............................

Table 26: Supported communications measurements and

their definition 47........................................

Serial Mask Testing & Serial Pattern Trigger User Manual iii

Preface

This is the user manual for Serial Mask Testing and Serial Pattern Trigger

functions. The user Mask functions, Mask Testing functions and Comm

measurements are standard on CSA7000 Series instruments, and both TDS6000

and TDS7000 Series instruments. All other functions mentioned in this

document are optional for TDS6000 and TDS7000 Series instruments. Serial

Pattern Trigger is not available on TDS7104 and TDS7054 instruments.

This manual:

HDescribes the capabilities of the Serial Mask Testing and Serial Pattern

Trigger functions, and how to install these functions on TDS6000 and

TDS7000 instruments

HExplains how to access and operate the features

Manual Structure

This manual is organized into the following chapters:

HGetting Started provides an overview of the Serial Mask Testing and Serial

Pattern Trigger functions, and shows you how to install these functions on

TDS6000 and TDS7000 instruments.

HOperating Basics describes how to access the functions using the front panel

and the instrument graphical user interface.

HReference provides detailed steps for doing the most common Serial Mask

Testing and Serial Pattern Trigger tasks.

Related Manuals

The following table lists other documents that support the operation and service

of the CSA7000, TDS6000, and TDS7000 Series instruments. The part numbers

of these documents are listed in the Accessories section of your instrument user

manual.

Preface

iv Serial Mask Testing & Serial Pattern Trigger User Manual

Manual name Description

Online Help An online help system that is integrated with the User Interface application that ships

with the CSA7000, TDS7000, and TDS6000 instruments

References A quick reference to the major features of the instrument and how they operate

User Manual1The user manual for the CSA7000, TDS7000, and TDS6000 instruments

Programmer Online Guide An alphabetical listing of the programming commands and other information related to

controlling the instrument over the GPIB and TekVISA interfaces

Service Manual A description of how to service the instrument to the module level. This optional

manual must be ordered separately

1You can insert this user manual behind the Appendices section of your instrument user manual.

Preface

Serial Mask Testing & Serial Pattern Trigger User Manual v

Contacting Tektronix

Phone 1-800-833-9200*

Address Tektronix, Inc.

Department or name (if known)

14200 SW Karl Braun Drive

P.O. Box 500

Beaverton, OR 97077

USA

Web site www.tektronix.com

Sales support 1-800-833-9200, select option 1*

Service support 1-800-833-9200, select option 2*

Technical support Email: techsupport@tektronix.com

1-800-833-9200, select option 3*

6:00 a.m. -- 5:00 p.m. Pacific time

* This phone number is toll free in North America. After office hours, please leave a

voice mail message.

Outside North America, contact a Tektronix sales office or distributor; see the

Tektronix web site for a list of offices.

Preface

vi Serial Mask Testing & Serial Pattern Trigger User Manual

Serial Mask Testing & Serial Pattern Trigger User Manual 1

Getting Started

This section of the user manual provides a high-level description of the Serial

Mask Testing and Serial Triggering functions. The user Mask functions, Mask

Testing functions and Comm measurements are standard with the CSA7000

Series instruments and both TDS7000 Series Digital Phosphor Oscilloscopes and

TDS6000 Series Digital Sampling Oscilloscopes. All other functions mentioned

in this document are optional for TDS6000 and TDS7000 Series oscilloscopes.

Serial Pattern Trigger is not available on TDS7104 and TDS7054 instruments.

This section also describes how to install Serial Mask Testing and Serial

Triggering functions on TDS6000 and TDS7000 Series instruments.

Product Description

The following text is an overview of the Serial Mask Testing and Serial

Triggering features.

The Serial Mask Testing feature provides optical and electrical mask testing,

communication triggering, and automatic communication signal measurements.

Mask testing consists of two tasks: signal violation detection and pass/fail

testing. Signal violation detection lets you test communications signals for time

or amplitude violations against a predefined mask. Each mask consists of one or

more polygonal regions called segments. The signal waveform data should stay

outside of the segments defined by the mask. Any signal data that occurs inside a

mask segment is called a mask segment violation or “hit.”

You can select from any of the included standard telecommunications masks, or

you can define your own custom masks. Selecting a mask automatically sets the

instrument communications triggers to properly display most communication

signals in the mask.

Pass/Fail testing defines the mask testing parameters, including the number of

waveforms to test, how many mask hits are allowed before failing a test, setting

a mask margin tolerance value, and what action to perform at the completion of a

test.

Communication triggering enables you to trigger on and display waveforms for

industry-standard communications signals. Appendix B lists the supported

standards on which you can trigger.

Automatic communication signal measurements enable you to make automatic

measurements on communications signals. Appendix C lists the available

measurements.

Serial Mask Testing

Getting Started

2Serial Mask Testing & Serial Pattern Trigger User Manual

The Serial Mask Testing key features are:

HPredefined masks for testing or triggering on industry-standard signals, such

as ITU--T G.703, ANSI T1.102, Fibre Channel, Ethernet, InfiniBand,

SONET, Serial ATA, USB, IEEE 1394b, and their subsets

HOn CSA7000 instruments, optical mask standards have calibrated digital

filters, enabling operation as an optical reference receiver

HAutoset, which quickly adjusts the instrument vertical and horizontal

parameters to display a waveform in a mask

HAutofit, which positions the signal on each acquisition to minimize mask

segment hits

HMask margins, which allow you to adjust the default mask margin tolerances

HPass/Fail testing to continuously test a specified number of waveforms

against a mask

HA mask editor for creating, saving, and recalling user-defined masks

HWaveform database technology to do mask testing based on waveforms

accumulated in a database, rather than a single waveform stored in acquisi-

tion memory

HCommunications triggers to trigger the instrument on industry-standard

communications signals

HAutomatic measurements on communications signals

HClock recovery from the serial data stream (except for TDS7104 and

TDS7054 instruments)

NOTE. If a standard or function listed in this manual is not available on your

instrument, it is because the configuration or bandwidth of your instrument

cannot test that standard.

The CSA7000 Series instruments, when used with the O/E Electrical Out-to-CH1

Input Adapter (013--0327--xx), are calibrated optical reference receivers with

digital filtering, enabling you to do mask standard compliance testing.

Although the TDS6000 and TDS7000 Series instruments are not calibrated

optical reference receivers, you can use them with mask testing to evaluate

general optical signal characteristics and waveshape, using an external O/E

converter.

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