Agilent Technologies OmniBER 720 User manual

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OmniBER 720
User Guide
Printed in U.K. 05/00
J1407-90003
UserGuide
OmniBER 720
In This Book
This book tells you how to select and use
the various instrument functions available.
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Agilent Technologies UK Limited
Telecommunications Networks Test Division
South Queensferry
West Lothian, Scotland EH30 9TG
Agilent Technologies
2000
All rights reserved.
Reproduction, adaption, or
translation without prior
written permission is
prohibited, except as
allowed under the
copyright laws.
Part No.
J1407-90011
Printed in U.K. 12/00
Warranty
The information contained
in this document is subject
Agilent Technologies
makes no warranty of any
kind with regard to this
material, including, but
not limited to, the implied
warranties or
merchantabilityandfitness
for a particular purpose.
Agilent Technologies shall
not be liable for errors
contained herein or for
incidental or consequential
damages in connection
with the furnishing,
performance, or use of this
material.
WARNING
Warning Symbols Used on
the Product
The product is marked
with this symbol when the
user should refer to the
instruction manual inorder
to protect the apparatus
against damage.
The product is marked
with this symbol to
indicate that hazardous
voltages are present
The product is marked
with this symbol to
indicate that a laser is
fitted. The user should
refer to the laser safety
information in the
Verification Manual.
!
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User Guide
OmniBER 720OmniBER 720
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2
This book tells you how to select the features that you want to use for your test.
The selections available are presented in the following groups:
• Transmit and receive interfaces
• Test features, for example, the addition of errors and alarms to the test signal
• Measurements including test timing
• Storing, logging and printing results with general printer information
• Using instrument and disk storage
• Using the “OTHER” features.
The selections available will depend on the options fitted to your instrument. The
examples given in this book cover all options and therefore may include selections
which are not available on your instrument.
About This Book
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3
List of Contents
Introduction
Product Description ............................................................ 10
Conventions ........................................................................ 11
Connecting to the Network................................................. 12
Removing/Inserting Modules ........................................... 12
All Connectors.................................................................. 12
Optical Interface Connectors ............................................ 13
Cleaning Optical Connectors............................................ 15
Connecting Accessories...................................................... 16
10 Base-T Lan Connection Radiated Emissions............... 16
Front Panel Soft Recovery (Cold Start).............................. 17
OmniBER 720 Options....................................................... 18
Setting the Interfaces - SDH Operation
Setting Transmit Interface ................................................. 20
Setting THRU Mode........................................................... 24
Using Smart Test ................................................................ 27
Setting Receive Interface................................................... 30
Selecting Test Features - SDH Operation
Using Transmit Overhead Setup......................................... 32
Using Receive Overhead Monitor ...................................... 34
Setting Overhead Trace Messages...................................... 36
Setting Overhead Labels..................................................... 37
Generating Overhead Sequences ........................................ 38
Using Receive Overhead Capture....................................... 40
Adding Frequency Offset.................................................... 42
Adding Errors and Alarms ................................................. 43
Adding Pointer Adjustments............................................... 44
Jitter caused by Pointer Adjustments................................ 44
G.783 Pointer Sequences Explained ................................ 46
Using Pointer Graph Test Function................................... 52
Stressing Optical Clock Recovery Circuits ........................ 54
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4
List of Contents
Generating Automatic Protection Switch Messages......... 56
Inserting and Dropping the Data Communications Channel 57
Setting the Interfaces - SONET Operation
Setting Transmit Interface................................................... 60
Setting THRU Mode ........................................................... 64
Using Smart Test................................................................. 67
Setting Receive Interface..................................................... 70
Selecting Test Features - SONET Operation
Using Transmit Overhead Setup ......................................... 74
Using Receive Overhead Monitor....................................... 76
Setting Overhead Trace Messages ...................................... 78
Setting Overhead Labels ..................................................... 79
Generating Overhead Sequences......................................... 80
Using Receive Overhead Capture ....................................... 82
Adding Frequency Offset.................................................... 84
Adding Errors and Alarms ................................................. 85
Adding Pointer Adjustments............................................... 86
Jitter Caused by Pointer Adjustments .............................. 86
T1.105/GR-253 Pointer Sequences Explained................. 88
Using Pointer Graph Test Function.................................... 94
Stressing Optical Clock Recovery Circuits......................... 96
Generating Automatic Protection Switch Messages......... 98
Inserting and Dropping the Data Communications Channel 99
Making Measurements
Using Overhead BER Test Function................................... 102
Performing a Trouble Scan ................................................. 103
Test Timing ......................................................................... 105
Making Analysis Measurements......................................... 106
Measuring Frequency ......................................................... 107
Measuring Optical Power.................................................... 108
Performing a Tributary Scan............................................... 109
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5
List of Contents
Performing an SDH Alarm Scan......................................... 112
Performing a SONET Alarm Scan...................................... 113
Tandem Connection Monitoring
Tandem Connection Monitoring (TCM)............................. 116
What is a Tandem Connection?........................................ 116
TCM Test Capability in OmniBER.................................. 116
Setting up the Transmitter for TCM Operation................... 117
Setting up TCM Access Point Identifier (APId) messages 118
Adding TCM errors............................................................. 120
Adding TCM Alarms .......................................................... 121
Setting up the Receiver for TCM operation........................ 122
Detecting TCM APId messages .......................................... 123
Viewing TCM Errors and Alarms....................................... 125
Tandem Connection Terminating Equipment (TCTE) Testing 127
TCTE Source Testing....................................................... 127
TCTE Sink/Source Testing .............................................. 132
Storing, Logging and Printing
Saving Graphics Results to Instrument Store...................... 134
Recalling Stored Graph Results .......................................... 135
Viewing the Bar Graph Display.......................................... 137
Viewing the Graphic Error and Alarm Summaries............. 139
Logging Graph Displays ..................................................... 141
Logging Results................................................................... 143
Logging on Demand............................................................ 146
Logging Results to Parallel (Centronics) Printer ................ 148
Logging Results to GPIB Printer......................................... 149
Logging Results to Internal Printer..................................... 150
Logging Results to RS-232-C Printer ................................. 151
Logging Data to Disk.......................................................... 152
Printing Results from Disk.................................................. 153
PC Instructions................................................................. 153
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6
List of Contents
Connecting an HP Printer to a Parallel Port ....................... 154
Changing Internal Printer Paper.......................................... 155
Cleaning Internal Printer Print Head................................... 158
Using Instrument and Disk Storage
Storing Configurations in Instrument Store........................ 160
Titling Configuration in Instrument Store........................... 161
Recalling Configurations from Instrument Store................ 162
Formatting a Disk................................................................ 163
Labeling a Disk................................................................... 164
Accessing Directories and Selecting Files.......................... 165
Storing/Retrieving Data to/from Disk................................. 167
Saving Graphical Results to Disk ....................................... 168
Recalling Graphics Results from Disk................................ 170
Copying Graphics Results from Instrument Store to Disk.. 171
Saving Configurations to Disk............................................ 173
Recalling Configuration from Disk..................................... 174
Copying Configuration from Instrument Store to Disk...... 175
Copying Configuration from Disk to Instrument Store...... 177
Managing Files and Directories on Disk............................. 179
Creating a Directory on Disk ........................................... 179
Deleting a Directory on Disk ........................................... 180
Renaming a File on Disk.................................................. 181
Deleting a File on Disk .................................................... 182
Adding Descriptors to Disk Files..................................... 183
Selecting and Using "OTHER" Features
Coupling Transmit and Receive Settings............................ 186
Setting Time & Date ........................................................... 187
Enabling Keyboard Lock .................................................... 188
Enabling Beep on Received Error....................................... 189
Suspending Test on Signal Loss ......................................... 190
REI-L/MS-REI Result/Enable ........................................... 191
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7
List of Contents
Graph Storage Resolution .................................................. 192
PRBS Polarity Control (Option 003 only).......................... 193
Setting Error Threshold Indication ..................................... 194
Setting Screen Brightness and Color.................................. 195
Dumping Display to Disk................................................... 196
Running Self Test ............................................................... 198
Background Patterns
SDH Operation ................................................................ 202
SONET Operation............................................................ 203
ETSI/ANSI Terminology
ETSI/ANSI Conversion and Equivalent Terms................. 206
Glossary of Terms
Glossary ............................................................................. 210
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