Keysight Technologies N5990A-301 Manuale utente

User Guide

Keysight N5990A-301 PCI

Express Link Training Suite

Notices

No part of this manual may be reproduced

in any form or by any means (including

electronic storage and retrieval or transla-

tion into a foreign language) without prior

agreement and written consent from

Keysight Technologies as governed by

United States and international copyright

laws.

Trademarks

Manual Part Number

N5990-91101

Manual Edition

Edition 3.0, July 2017

Keysight Technologies Deutschland GmbH

Herrenberger Strasse 130,

71034 Böblingen, Germany

Technology Licenses

The hardware and/or software described in

this document are furnished under a

license and may be used or copied only in

accordance with the terms of such license.

U.S. Government Rights

The Software is “commercial computer

software,” as defined by Federal Acquisition

Regulation (“FAR”) 2.101. Pursuant to FAR

12.212 and 27.405-3 and Department of

Defense FAR Supplement

(“DFARS”) 227.7202, the U.S. government

acquires commercial computer software

under the same terms by which the soft-

ware is customarily provided to the public.

Accordingly, Keysight provides the Soft-

ware to U.S. government customers under

its standard commercial license, which is

embodied in its End User License Agree-

ment (EULA), a copy of which can be found

at http://www.keysight.com/find/sweula.

The license set forth in the EULA represents

the exclusive authority by which the U.S.

government may use, modify,distribute,or

disclose the Software. The EULA and the

license set forth therein, does not require

or permit, among other things, that Key-

sight: (1) Furnish technical information

related to commercial computer software

or commercial computer software docu-

mentation that is not customarily provided

to the public; or (2) Relinquish to, or other-

wise provide, the government rights in

excess of these rights customarily provided

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mercial computer software or commercial

computer software documentation. No

additional government requirements

beyond those set forth in the EULA shall

apply, except to the extent that those

terms, rights, or licenses are explicitly

required from all providers of commercial

computer software pursuant to the FAR and

the DFARS and are set forth specifically in

writing elsewhere in the EULA. Keysight

shall be under no obligation to update,

revise or otherwise modify the Software.

With respect to any technical data as

defined by FAR 2.101, pursuant to FAR

12.211 and 27.404.2 and DFARS 227.7102,

the U.S. government acquires no greater

than Limited Rights as defined in FAR

27.401 or DFAR 227.7103-5 (c), as appli-

cable in any technical data.

Warranty

THE MATERIAL CONTAINED IN THIS DOCU-

MENT IS PROVIDED "AS IS," AND IS SUB-

JECT TO BEING CHANGED, WITHOUT

NOTICE, IN FUTURE EDITIONS. FURTHER,

TO THE MAXIMUM EXTENT PERMITTED BY

APPLICABLE LAW, KEYSIGHT DISCLAIMS

ALL WARRANTIES, EITHER EXPRESS OR

IMPLIED WITH REGARD TO THIS MANUAL

AND ANY INFORMATION CONTAINED

HEREIN, INCLUDING BUT NOT LIMITED TO

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CHANTABILITY AND FITNESS FOR A PAR-

TICULAR PURPOSE. KEYSIGHT SHALL NOT

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TAL OR CONSEQUENTIAL DAMAGES IN

CONNECTION WITH THE FURNISHING,

USE, OR PERFORMANCE OF THIS DOCU-

MENT OR ANY INFORMATION CONTAINED

HEREIN. SHOULD KEYSIGHT AND THE

USER HAVE A SEPARATE WRITTEN AGREE-

MENT WITH WARRANTY TERMS COVER-

ING THE MATERIAL IN THIS DOCUMENT

THAT CONFLICT WITH THESE TERMS, THE

WARRANTY TERMS IN THE SEPARATE

AGREEMENT WILL CONTROL.

Safety Notices

CAUTION

A CAUTION notice denotes a hazard.

It calls attention to an operating pro-

cedure, practice, or the like that, if

not correctly performed or adhered

to, could result in damage to the

product or loss of important data. Do

not proceed beyond a CAUTION

notice until the indicated conditions

are fully understood and met.

WARNING

A WARNING notice denotes a hazard.

It calls attention to an operating pro-

cedure, practice, or the like that, if

not correctly performed or adhered

to, could result in personal injury or

death. Do not proceed beyond a

WARNING notice until the indicated

conditions are fully understood and

met.

2Keysight N5990A-301 PCI Express Link Training Suite User Guide

Keysight N5990A-301 PCI Express Link Training Suite User Guide 3

Contents

1 Introduction

Overview of this guide 8

Document History 9

PCIe Link Training Suite - Overview 10

2 Software Installation and Update

Software Update 12

Software Installation 13

3 Starting and Registering the Software

Starting Registered Software 18

Software Registration 19

4 Test Instrument Setup

N4903B J-BERT Setup 22

Setup with De-Emphasis Box 23

Setup with CM Interference AWG 24

Setup with Power Switch 25

M8020A J-BERT Setup 26

Basic setup 27

Setup with Power Switch 28

4 Keysight N5990A-301 PCI Express Link Training Suite User Guide

Contents

5 Using the Software

Connecting to the Instruments 30

Instrument Connection for J-BERT N4903B 31

Instrument Connection for J-BERT M8020A 32

Main User Interface 35

Basics 37

Demo Mode 37

Applying 38

PCIe Physical Parameters 38

Link Training Pattern 39

Edit Training Parameters in Fixed Mode 40

Edit Training Parameters in Interactive Mode 41

Loop-back Pattern 45

Clock Tolerance Compensation 46

Error Detector 46

Link Training Results 47

Power Switch 49

Timing 50

Jitter/SSC 52

Interferences 53

Voltage Levels 54

De-Emphasis 55

Bit Error Rate Measurement 56

Sequencer 57

BERT Control 57

Saving and Loading Settings 58

Expert Mode 58

Exporting The Script 58

Script Editing 59

Limitations 61

6 Troubleshooting

Startup Fails 64

Keysight N5990A-301 PCI Express Link Training Suite User Guide 5

Contents

Slow Response 65

Link Training Fails 66

Keysight N5990A-301 PCI Express Link Training Suite

User Guide

1Introduction

Overview of this guide / 8

Document History / 9

PCIe Link Training Suite - Overview / 10

8 Keysight N5990A - 301 PCI Express Link Training Suite User Guide

1 Introduction

Overview of this guide

This guide provides a detailed description of the N5990A PCIe Link

Training Suite.

Keysight N5990A - 301 PCI Express Link Training Suite User Guide 9

Introduction1

Document History

First Edition (May, 2015)The first edition of this guide describes the

functionality of the software version 1.0

Second Edition (February, 2017): The second edition of this guide

describes the functionality of the software version 1.40

Second Edition (July, 2017)The second edition of this guide describes the

functionality of the software version 2.0

10 Keysight N5990A - 301 PCI Express Link Training Suite User Guide

1 Introduction

PCIe Link Training Suite - Overview

The Keysight PCIe Link Training Suite (N5990A-301) is a flexible tool for

trouble- shooting and debugging. It controls the pattern sequencer of a

Keysight J-BERT (N4903B or M8020A), to bring the device under test into

the loop-back mode. Enabling the loop-back mode is usually a

prerequisite for receiver compliance testing.

The PCIe LTS complements the full Test Automation Software (Keysight

N5990A opt. 101 or 201, according to the configuration), which provides

automated physical layer compliance tests and device characterization.

The software runs on a standard Windows XP or Windows 7 PC and

controls the hardware test resources through appropriate interfaces such

as a LAN (Local Area Network).

Keysight N5990A-301 PCI Express Link Training Suite

User Guide

2Software Installation

and Update

Software Update / 12

Software Installation / 13

The PCIe Link Training Suite N5990A-301 runs on the PC that controls the

J-BERT. If N5990A-301 is already installed on the PC and is not to be

updated, proceed to the next chapter.

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