Agilent Technologies N2620A User manual

Agilent Technologies
Agilent N2620A
FrameScope Pro
Network Performance
Analyzer
User’s Guide

Notices
© Agilent Technologies, Inc. 2002, 2009
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 Agi-
lent Technologies, Inc. as governed by
United States and international copyright
laws.
Manual Part Number
N2620-90003
Edition
Fifth Edition, February 26, 2009
Agilent Technologies, Inc.
5301 Stevens Creek Blvd.
Santa Clara, CA 95051
United States
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 max-
imum extent permitted by applicable
law, Agilent disclaims all warranties,
either express or implied, with regard
to this manual and any information
contained herein, including but not
limited to the implied warranties of
merchantability and fitness for a par-
ticular purpose. Agilent shall not be
liable for errors or for incidental or
consequential damages in connection
with the furnishing, use, or perfor-
mance of this document or of any
information contained herein. Should
Agilent and the user have a separate
written agreement with warranty
terms covering the material in this
document that conflict with these
terms, the warranty terms in the sep-
arate agreement shall control.
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.
Restricted Rights Legend
If software is for use in the performance of
a U.S. Government prime contract or sub-
contract, Software is delivered and
licensed as “Commercial computer soft-
ware” as defined in DFAR 252.227-7014
(June 1995), or as a “commercial item” as
defined in FAR 2.101(a) or as “Restricted
computer software” as defined in FAR
52.227-19 (June 1987) or any equivalent
agency regulation or contract clause. Use,
duplication or disclosure of Software is
subject to Agilent Technologies’ standard
commercial license terms, and non-DOD
Departments and Agencies of the U.S.
Government will receive no greater than
Restricted Rights as defined in FAR
52.227-19(c)(1-2) (June 1987). U.S. Govern-
ment users will receive no greater than
Limited Rights as defined in FAR 52.227-14
(June 1987) or DFAR 252.227-7015 (b)(2)
(November 1995), as applicable in any
technical data.
Safety Notices
CAUTION
A CAUTION notice denotes a haz-
ard. It calls attention to an operat-
ing procedure, 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 procedure, practice, or
the like that, if not correctly per-
formed or adhered to, could result
in personal injury or death. Do not
proceed beyond a WARNING
notice until the indicated condi-
tions are fully understood and met.
II N2620A User’s Guide
Trademark Acknowledgements
Pentium is a U.S. registered trademark of
Intel Corporation.
Microsoft, Visual Studio, Windows, and
MS Windows are trademarks of Microsoft
Corporation in the United States and or
other countries.

N2620A User’s Guide III
Safety Symbols
The following symbols on the instrument and in the documentation
indicate precautions which must be taken to maintain safe operation of
the instrument.
Direct current (DC) Off (supply)
Alternating current (AC) On (supply)
Both direct and alternating current Caution, risk of electric shock
Three-phase alternating current Caution, risk of danger (refer to this manual
for specific Warning or Caution information)
Earth (ground) terminal Caution, hot surface
Protective conductor terminal Out position of a bi-stable push control
Frame or chassis terminal In position of a bi-stable push control
Equipotentiality Category II 300 V overvoltage protection
Equipment protected throughout by
double insulation or reinforced
insulation
CAT II
300 V

IV N2620A User’s Guide
General Safety Information
The following general safety precautions must be observed during all
phases of operation, service, and repair of this instrument. Failure to
comply with these precautions or with specific warnings elsewhere in
this manual violates safety standards of design, manufacture, and
intended use of the instrument.
Agilent Technologies assumes no liability for the customer’s failure to
comply with these requirements.
You must follow these to ensure safe operation and to maintain the
instrument in safe condition.
WARNING
• Do not use the device if it is damaged. Before you use the device,
inspect the casing. Look for cracks or missing plastic. Do not operate
the device around explosive gas, vapor, or dust.
• Always use the device with the cables provided.
• Observe all markings on the device before establishing any
connection.
• Turn off the device and application system power before connecting to
the I/O terminals.
• When servicing the device, use only the specified replacement parts.
• Do not operate the device with the cover removed or loosened.
• Use only the power adapter provided by the manufacturer to avoid any
unexpected hazards.
• The N2620A FrameScope Pro is a Safety Class 1 instrument. The
N2620A is powered by an AC/DC adapter.
• All Light Emitting Diodes (LEDs) used in this product are Class 1 LEDs
as per IEC 60825-1.
• Verify that the N2620A is set to match the available line voltage, and
all the safety precautions are taken.
• Do not operate the N2620A in the presence of flammable gases or
fumes.
• Operating personnel must not remove instrument covers. Component
replacement and internal adjustments must be made only by qualified
service personnel. Instruments that appear damaged or defective
should be made inoperative and secured against unintended
operation until they can be repaired by qualified service personnel.
CAUTION
•If the device is used in a manner not specified by the manufacturer, the
device protection may be impaired.
•Always use dry cloth to clean the device. Do not use ethyl alcohol or
any other volatile liquid to clean the device.
•Do not permit any blockage of the ventilation holes of the device.

N2620A User’s Guide V
Environmental Conditions
This instrument is designed for indoor use and in an area with low
condensation. The table below shows the general environmental
requirements for this instrument.
Environmental conditions Requirements
Operating temperature 0 °C to 50 °C
Operating humidity 20% to 85% RH non-condensing
Storage temperature –20 °C to 70 °C
Storage humidity 5% to 90% RH non-condensing
NOTE
The N2620A FrameScope Pro complies with the following safety and EMC
requirements.
•IEC 61010-1:2001/EN61010-1:2001 (2nd Edition)
•Canada: CAN/CSA-C22.2 No. 61010-1-04
•USA: ANSI/UL 61010-1:2004
•IEC 61326-2002/EN 61326:1997+A1:1998+A2:2001+A3:2003
•Canada: ICES-001:2004
•Australia/New Zealand: AS/NZS CISPR11:2004

VI N2620A User’s Guide
Regulatory Markings
The CE mark is a registered trademark
of the European Community. This CE
mark shows that the product complies
with all the relevant European Legal
Directives.
The C-tick mark is a registered trademark
of the Spectrum Management Agency of
Australia. This signifies compliance with
the Australia EMC Framework
regulations under the terms of the Radio
Communication Act of 1992.
ICES/NMB-001 indicates that this ISM
device complies with the Canadian
ICES-001.
Cet appareil ISM est confomre a la norme
NMB-001 du Canada.
This instrument complies with the WEEE
Directive (2002/96/EC) marking
requirement. This affixed product label
indicates that you must not discard this
electrical or electronic product in domestic
household waste.
The CSA mark is a registered trademark of
the Canadian Standards Association.

N2620A User’s Guide VII
Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC
This instrument complies with the WEEE Directive (2002/96/EC) marking
requirement. This affixed product label indicates that you must not
discard this electrical or electronic product in domestic household waste.
Product Category:
With reference to the equipment types in the WEEE directive Annex 1,
this instrument is classified as a “Monitoring and Control Instrument”
product.
The affixed product label is as shown below.
Do not dispose in domestic household waste
To return this unwanted instrument, contact your nearest Agilent
Technologies, or visit:
www.agilent.com/environment/product
for more information.

VIII N2620A User’s Guide

N2620A User’s Guide IX
In This Guide…
1 Introducing the FrameScope Pro
This chapter gives an overview of the N2620A FrameScope Pro Network
Performance Analyzer.
2 Network Testing with the FrameScope Pro
This chapter describes how to use your FrameScope Pro as a network
performance analyzer.
3 Voice Testing with the FrameScope Pro
This chapter describes how the FrameScope Pro measures and tests the
performance of VoIP networks.
4 Generating Voice Traffic with the FrameScope Pro
This chapter provides the information on generating voice traffic with the
FrameScope Pro.
5 DSL Testing with the FrameScope Pro
This chapter deals with DSL testing which consists of ADSL and VDSL
tests. VIT-A2 and VIT-V2 testers from Vierling are required for DSL testing.
6 IP Video Testing with the FrameScope Pro
This chapter describes how the FrameScope Pro measures the QoS of
Internet Protocol Te l e v i s i on ( I P T V ) .
7 System Operations
This chapter describes the various system operations of the FrameScope
Pro that are accessible from the System menu.
8 Network Performance Analyzer Reference
This chapter describes the various network operations of the FrameScope
Pro.
9 Specifications
This chapter describes the specifications of the FrameScope Pro.
10 Glossary
This chapter contains the glossary for the FrameScope Pro User’s Guide.

XN2620A User’s Guide

N2620A User’s Guide XI
Contents
Safety Symbols III
Environmental Conditions V
Regulatory Markings VI
Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC
VII
In This Guide… IX
1 Introducing the FrameScope Pro
Introduction 2
Laser Safety Information for Optional Optical Transceivers 2
Laser Class 1 Label 3
The FrameScope Pro at a Glance 4
Front Panel 4
Side Panels 5
Standard Purchase Items 7
Inspection and Maintenance 8
Initial Inspection 8
The Main Menu at a Glance 10
Getting Started 12
Switching On and Off the FrameScope Pro 12
Checking Power and Charging the Battery 13
Connecting to the Network and Using the FrameScope Pro 14
Running a Test 15
Saving a Test 15
About Help 15
Software Upgrade 16
Localization 16
Technical Support 17
Before You Call 17
2 Network Testing with the FrameScope Pro
Network Testing Overview 21
Examining the Network 22
Network Overview 22

XII N2620A User’s Guide
Detailed List 23
Running an Autotest 24
Using the Stations List 27
Viewing Details and Statistics 29
Performing a Ping Test 30
Tracing a Route through the Network 32
Performing SNMP Queries 34
Autotest of HTTP and FTP Servers with User Authentication 36
Setting Up an HTTP server 37
Setting Up an FTP server 40
Viewing Statistics 41
Saving and Retrieving Statistics Data 43
Generating Network Traffic 44
Performance Tests 48
General Settings for the Master FrameScope Pro 49
Performing RFC 2544 Tests 50
RFC 2544 Throughput Test 50
RFC 2544 Round-Trip Latency Test 50
RFC 2544 Frame Loss Rate Test 51
RFC 2544 Back-to-Back Test 51
Setting the Network for RFC 2544 Tests 52
Setting Up the Master FrameScope Pro for RFC 2544 Tests 53
Setting Up the Slave FrameScope Pro for RFC 2544 Tests 62
RFC 2544 Test Results 64
Performing a MAC or IP Loopback Tests 68
Performing UDP or TCP Throughput Tests 71
Downloading and Viewing Results with a Web Browser 72
Performing Packet Error Rate Tests 73
Locating a Port with Blink Port 77
Viewing the Error Log 78
WireMap Testing 80
WireMap Adapter Operation 81

N2620A User’s Guide XIII
Procedure for WireMap Testing 81
Using the Test Database 83
Using the Network Database 85
Monitoring the Optical Measurements 87
Locating Switch Ports 89
3 Voice Testing with the FrameScope Pro
Voice Testing Overview 92
Supported Protocols 92
How the FrameScope Pro Tests Voice Quality 93
Test Port Settings 93
Audio Codec Support 93
FrameScope Pro as the Caller 94
FrameScope Pro as the Callee 94
SIP Voice Testing 95
Settings Setup for SIP Voice Test 95
Running the Test 98
Interpreting Results 100
Simultaneous Traffic Generation during VoIP Testing 102
Configuring Traffic Generation during VoIP Testing 103
Megaco/H.248 Voice Testing 106
Features 106
Core Services 107
Settings Setup for Megaco/H.248 Voice Test 108
Running the Test 112
Interpreting Results 113
How to Save and Retrieve Results 115
Downloading and Viewing Results with a Web Browser 115
4 Generating Voice Traffic with the FrameScope Pro
VoIP Traffic Overview 118
Dependencies and Assumptions 118
RTP Header 119

XIV N2620A User’s Guide
Measuring VoIP Parameters 119
Generating Voice Traffic 120
5 DSL Testing with the FrameScope Pro
DSL Testing Overview 124
Connecting the Test Setup 125
xDSL Layer 1 Testing 127
Getting xDSL Performance Data 128
Getting Further Information 131
Configuring the DSL Test 133
Setting Up the VIT-A2 133
Advanced Settings for VIT-A2 135
Controlling the Internet Connection 136
How to Save and Retrieve Results 137
Downloading and viewing results with a web browser 137
6 IP Video Testing with the FrameScope Pro
IPTV Testing Overview 140
Supported Protocols 141
Signaling 141
Transport 141
Measurement Parameters 141
Te s t R e p o r t i ng 142
Configurable Parameters 142
How the FrameScope Pro Tests IP Video Quality 143
Measurement Overview 143
IPTV Channel Setup and Control 143
Stream Receiving 144
Stream Quality Measurement 144

N2620A User’s Guide XV
Test M o d e s 144
Running an IP Video Test 146
Configuring and Adding Video Channels 149
Downloading Video Channels 150
Setting Pass or Fail and Rating Criteria for Results 151
Configuring Settings for IPTV Test 153
Interpreting Results 155
Detailed Test Result Screen 156
Saving and Retrieving Results 158
Downloading and Viewing Results with a Web Browser 158
7 System Operations
The Status Display Area 160
The System Menu 161
System Information 162
License Details 163
Storage Setup 165
Battery Status 166
Time and Date Setup 167
User Interface Setup 168
Touchscreen Calibration 169
Restore Default Settings 170
Test Port Settings 171
Setting Up the Optional Auxiliary Port 180
Add Routes Using Routing Table Settings 183
Boot Password 185
Download of Test Suites from an FTP Server 186
Restoring the Default MAC Address 188
Remote Control 189
RFC 2544 Test 193
Demo Mode 194
SNMP Settings 195
8 Network Performance Analyzer Reference
Network Connection 199
Network Database 200
Station List 200
Device Details 201

XVI N2620A User’s Guide
Active Discovery Process 201
Network Performance Autotest 203
Autotest Setup 203
The Default Autotest Suite 204
Editing Tests 204
Deleting Tests 204
Adding Tests 205
Web Server 207
NT File Server and NFS Server 209
FTP Server 213
Novell Server 217
E-mail Server 218
Print Server 220
DNS Server 221
WINS Server (NetBIOS Name Server) 222
DHCP Server 223
Primary Domain Controller 225
Backup Domain Controller 226
Router 227
SNMP Agent 228
Workstation 229
TCP Test 230
Running Autotest 231
Changing the Autotest Metrics 232
Autotest Results 233
Statistics 234
Overall Statistics 234
Top Transmitters 235
Error Mix 235
Protocol Mix 236
Saving and Retrieving Statistics Data 236
Network Tools 237
Ping 237
TraceRoute 237
SNMP Query 238
Locate Switch Port 238
Performance Tests 238

N2620A User’s Guide XVII
Traffic Generation 239
Remote Control 241
Memory Requirements 245
9 Specifications
Physical 248
Environmental 248
Electrical 249
Ports 249
USB Host and Client Ports 249
Card Bus Slot 249
Display 249
10 Glossary
Glossary 252
Index

XVIII N2620A User’s Guide

1
N2620A FrameScope Pro Network Performance Analyzer
User’s Guide
Agilent Technologies
1
Introducing the FrameScope Pro
Introduction 2
Laser Safety Information for Optional Optical Transceivers 2
Laser Class 1 Label 3
The FrameScope Pro at a Glance 4
Front Panel 4
Side Panels 5
Standard Purchase Items 7
Inspection and Maintenance 8
Initial Inspection 8
The Main Menu at a Glance 10
Getting Started 12
Switching On and Off the FrameScope Pro 12
Checking Power and Charging the Battery 13
Connecting to the Network and Using the FrameScope Pro 14
Running a Test 15
Saving a Test 15
About Help 15
Software Upgrade 16
Localization 16
Technical Support 17
This chapter gives an overview of the N2620A FrameScope Pro
Network Performance Analyzer.

2N2620A User’s Guide
1Introducing the FrameScope Pro
Introduction
The FrameScope Pro is a powerful handheld instrument that
measures the performance of your key network resources and
troubleshoots the active network equipment.
The FrameScope Pro allows the performance of Voice over IP
(VoIP), IPTV, and DSL network resources to be verified. The
FrameScope Pro also integrates network performance analyzer
features such as Auto Discovery, network performance testing,
traffic generator, and fault finding with wiremap testing
feature.
Laser Safety Information for Optional Optical Transceivers
The laser sources specified by this user’s guide are classified
according to the IEC 60825-1 (2001).
The laser sources comply with 21 CFR 1040.10 except for
deviations pursuant to Laser Notice No. 50, dated 2001-July-26.
[1] Max. average output power means the highest possible optical CW power the laser
source can produce at its output.
[2] Max. permissible CW output power is the highest optical power that is permitted within
the appropriate IEC laser class.
Tabl e 1-1 Initial laser safety information
QFBR-5747LP QFCT-5796LP
•Laser type 850 nm VCSEL Long wavelength
•Wavelength 830 nm to 860 nm 1270 nm to 1355 nm
•Max. average output power[1] 1 mW 500 µW
•Beam waist diameter 50 µm to 62.5 µm 9 µm or 62.5 µm
•Numerical aperture 0.2 to 0.275 0.2 to 0.275
•Laser class according to the
IEC 60825-1 (2001)
Class 1 Class 1
•Max. permissible average
output power[2]
0.8 mW 15.6 mW