Instructions
930XC-20C • 930XC-20M • 930XC-30F • 930XC-30P
Tempo Communications Inc. 1390 Aspen Way • Vista, CA 92081 USA • 800-642-2155
2
Table of Contents
Preface 5
Description .............................................................................................................................. 5
Safety ..................................................................................................................................... 5
Purpose of This Manual ........................................................................................................... 5
Warranty .................................................................................................................................. 5
Important Safety Information 6
Section 1. Introduction 9
Section 2. Basic Operation 10
Instrument Interface Description ............................................................................................ 10
Use of Batteries ..................................................................................................................... 10
Auto Off Mode .................................................................................................................... 10
Recharging ......................................................................................................................... 10
Keypad Functions .................................................................................................................. 11
Section 3. Basic OTDR Information 12
Principle of OTDRs ................................................................................................................. 12
Basic Denition and Classication of Events ........................................................................... 12
Reection Events ................................................................................................................ 12
Non-reection Events .......................................................................................................... 12
Inspection of Events ........................................................................................................... 12
Measurement Application....................................................................................................... 13
Measurement Contents ....................................................................................................... 13
Trace Analysis .................................................................................................................... 13
Trace Display Screen .............................................................................................................. 13
Trace Display Window ......................................................................................................... 13
Information Window ........................................................................................................... 14
Measurement Trace Parameters....................................................................................... 14
Events List ...................................................................................................................... 14
Marker A/B Information ................................................................................................... 15
Fiber Information ............................................................................................................ 15
Menu Bar and Icons ............................................................................................................ 16
Parameter Conguration ..................................................................................................... 16
Denitions of Measurement Parameters ........................................................................... 17
Range Conguration ........................................................................................................ 17
Pulse Width Conguration................................................................................................ 18
Average Time Conguration ............................................................................................. 18
Wavelength Conguration ................................................................................................ 18
Measurement Mode Conguration ................................................................................... 19
Power Meter, Laser Source, and VFL Conguration ............................................................ 19
Length Units ................................................................................................................... 20
Index of Refraction (IOR) Conguration ............................................................................ 20
Scatter Coefcient Conguration ..................................................................................... 20
Non-reection Threshold Conguration ............................................................................ 21
Reection Threshold Conguration ................................................................................... 21
End Threshold Conguration ............................................................................................ 22