Fluke DSP-2000 Manual do Utilizador descarregar pdf (Página 177)

Glossary

XON/XOFF Flow Control

B-9

XON/XOFF Flow Control

Transmitter ON/transmitter OFF. A software method of controlling data flow between two

devices. The receiving device tells the sending device to start or stop data transmission by

sending commands over the data transmission line.

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DSP-100/2000 1
Table of Contents 3
Contents 5
List of Tables 7
List of Figures 9
Introduction 11
Standard Accessories 13
Using This Manual 15
Getting Started 17
Quick Start 19
Powering the Test Tool 19
Using the Menus 19
Quick Configuration 21
Results within Accuracy Range 22
Autotest on Coaxial Cable 27
DSP-100 DSP-2000 28
Main Unit Features 29
Remote Features 31
Rotary Switch 33
Autotest 33
Single Test 34
Special Functions 36
Smart Remote (Model DSP-100) 36
Turning On the Test Tool 37
Performing a Self-Test 37
Overvoltage Test 38
Noise Test 38
Controlling the Backlight 38
Configuring the Test Tool 39
Selecting a Conduit Setting 41
Selecting a Length Unit 42
Selecting a Numeric Format 42
Setting the Date and Time 43
Setting the Power-Down Timer 44
Remote Communication Error 47
Wire Map Test 54
Resistance 56
NEXT Test 60
NEXT@REMOTE Results 62
ACR Results 62
ACR@REMOTE 65
RL@REMOTE (Model DSP-2000) 66
DSP-2000 68
CABLE ANALYZER 68
Saving Autotest Results 71
The Autotest Report 73
If Memory is Full 73
Running Individual Tests 77
When to Use a Remote Unit 79
Running the TDX Analyzer 82
The TDX Analyzer 83
TDX Analyzer Results 83
TDX Analyzer Plot 84
The TDR Test 85
How to Terminate the Cable 85
TDR Results Screen 87
TDR Plot Screen 87
Monitoring Network Activity 92
Monitoring Impulse Noise 97
Noise Test Results 99
Chapter 5 101
Configuring the Serial Port 102
Printer Interface Cable 102
Printing 102
Printing Test Reports 103
Calibrations and Custom Test 107
Standards 107
NVP Calibration 109
Configuring a Custom Cable 111
Basic Cable Testing 113
Twisted Pair Cable 114
LAN Cable Construction 115
Coaxial Cable 116
Attenuation 117
Characteristic Impedance 119
Locating NEXT Problems 121
Split Pairs and NEXT 124
Minimizing Crosstalk 125
NVP and Length Measurements 126
Reflections from Opens 128
Reflections from Shorts 129
Cable Termination 130
Interpreting the TDR Plot 130
Limit in dB 132
Troubleshooting Basics 133
Finding Cable Faults 133
Cleaning and Storage 139
Maintenance 141
Service Center Repair 142
If the Test Tool Fails 143
Replacement Parts 144
Specifications 145
Cable Types Tested 146
Test Standards 146
Time for Autotest 146
Length Test 147
Propagation Delay Test 147
DC Loop Resistance 148
Return Loss 149
Impulse Noise 150
Model DSP-100 LAN Traffic 150
Model DSP-2000 LAN Traffic 150
Serial Interface 150
PC Interface Cable 151
Environmental Requirements 152
Input Ratings 153
Certifications 154
Dimensions 154
RJ45 Connector 155
Warranty 155
Appendices 157
Using DSP-LINK 159
Connecting to a PC 160
Configuring the Serial Ports 161
Downloading New Software 168
100BaseTX 169
Glossary 171
XON/XOFF Flow Control 177
Appendix C 179
(continued) 187
Manual Supplement 191
Return Loss (RL) 192
Change #2 193
Change #3 196
Change #4 196

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