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 Denition and Classication of Events ........................................................................... 12
 Reection Events ................................................................................................................ 12
 Non-reection 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 Conguration ..................................................................................................... 16
  Denitions of Measurement Parameters ........................................................................... 17
  Range Conguration ........................................................................................................ 17
  Pulse Width Conguration................................................................................................ 18
  Average Time Conguration ............................................................................................. 18
  Wavelength Conguration ................................................................................................ 18
  Measurement Mode Conguration ................................................................................... 19
  Power Meter, Laser Source, and VFL Conguration ............................................................ 19
  Length Units ................................................................................................................... 20
  Index of Refraction (IOR) Conguration ............................................................................ 20
  Scatter Coefcient Conguration ..................................................................................... 20
  Non-reection Threshold Conguration ............................................................................ 21
  Reection Threshold Conguration ................................................................................... 21
  End Threshold Conguration ............................................................................................ 22