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Contents 

1 Overview

 ................................................................................................................................................. 4

 

1.1 About this Manual

 ..................................................................................................................... 4

 

1.2 Unpacking Inspection

 ............................................................................................................... 4

 

1.3 Product Introduction

 ................................................................................................................. 4

 

2 Basic Operations

 .................................................................................................................................. 6

 

2.1 Foreword

 ...................................................................................................................................... 6

 

2.2 Connectors on the OTDR

 ......................................................................................................... 6

 

2.3 Use of the Rechargeable Battery

 ........................................................................................... 7

 

2.4 Description of Function Keys

 .................................................................................................. 7

 

3 Basic Knowledge about OTDR

 ........................................................................................................ 9

 

3.1 Working Principles of OTDR

 ................................................................................................... 9

 

3.2 Basic Definition and Classification of Events

 ..................................................................... 9

 

3.2.1 Events

 ......................................................................................................................................... 9

 

3.2.2 Reflection Event

....................................................................................................................... 9

 

3.2.3 Non-Reflection Event

 ........................................................................................................... 10

 

3.2.4 Test Event

 ................................................................................................................................ 10

 

3.3 Measurement Functions of the OTDR

 ................................................................................ 10

 

3.3.1

 Measurement Contents

 

of the OTDR

 ...................................................................................... 10

 

3.3.2

 Trace Analysis

 of the OTDR

 ................................................................................................... 10

 

3.4 Trace Window of the OTDR

 ..................................................................... 

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3.4.1 Trace Pane of the OTDR

 ...................................................................................................... 11

 

3.4.2 Information Pane of the OTDR

 .......................................................................................... 12

 

3.4.2.1 Trace Measurement Parameters

 .................................................................................... 12

 

3.4.2.2 Event List

 .............................................................................................................................. 12

 

3.4.2.3 Information about the A/B Marker

 .............................................................................. 13

 

3.4.2.4 Information about the Optical fiber Link

 ................................................................... 14

 

3.4.3 Tool Bar of the OTDR

 ........................................................................................................... 14

 

3.4.3.1 Icons on the Tool Bar

 ....................................................................................................... 14

 

3.4.3.2 Parameter Setup Operations

 ......................................................................................... 15

 

3.5 Battery Charging Status

 ......................................................................................................... 22

 

4 Obtaining the Trace and Existing Trace Operations

 ............................................................. 23

 

4.1 Description of the Home Page

 ............................................................................................. 23

 

4.2 Obtaining the Trace

 ................................................................................................................. 23

 

4.2.1 Obtaining the Trace

Connecting an Optical Fiber

 .................................................... 24

 

4.2.2 Obtaining the Trace

Setting Parameters

 ..................................................................... 24

 

Summary of Contents for QX35

Page 1: ...explosive environment DO NOT use this product in an environment with flammable gas or fume DO NOT remove the protective case from the product Operators are prohibited to remove the protective case of...

Page 2: ...y power is full DO NOT charge the battery for more than 8 hours It is prohibited to remove the battery unless otherwise authorized Keep the battery away from the fire or strong heat DO NOT open or dam...

Page 3: ...3 1 Measurement Contents of the OTDR 10 3 3 2 Trace Analysis of the OTDR 10 3 4 Trace Window of the OTDR 3 4 1 Trace Pane of the OTDR 11 3 4 2 Information Pane of the OTDR 12 3 4 2 1 Trace Measuremen...

Page 4: ...nformation 26 4 4 Zooming in a Trace Horizontally 26 4 5 Zooming out a Trace Horizontally 27 4 6 Zooming in a Trace Vertically 27 4 7 Zooming out a Trace Vertically 27 4 8 Displaying the Full Trace 27...

Page 5: ...instrument used to characterize an optical fiber It features the compact size and simple operations and adopts the ergonomic industrial design and touch LCD screen The OTDR supports the data storage f...

Page 6: ...ion of an event b Measure the length and loss dB or dB km of an optical section c Measure the length and loss dB of the entire optical link Characteristics 3 5 touch screen which facilitates operation...

Page 7: ...ents for the power connector 15V DC 1 0A Data connector USB connector A USB flash drive can be used to import the data to the PC data analysis software that is delivered with the OTDR for subsequent a...

Page 8: ...arging temperature is out of the temperature range the battery cannot be fully charged or the battery may be damaged which affects the service life of the battery b Fast charge the battery for 3 hours...

Page 9: ...ower on or off the OTDR Run Stop On the home page press this key to start a measurement During a measurement process press this key to stop the measurement On the measurement page press Run Stop toget...

Page 10: ...which reflects the transmission characteristics of the optical fiber When lights transmitted downwards along with the optical fiber encountering sudden change of material density Fresnel reflection o...

Page 11: ...characteristics of optical fiber connector and joint can be confirmed 3 3 Measurement Functions of the OTDR OTDR displays the power of the returned signal related to distance The information can be us...

Page 12: ...e Figure 3 3 Home Page 3 5 OTDR Trace Pane Figure 3 4 Trace Pane 3 5 1 Trace Pane of the OTDR The trace pane shows the last trace that is measured by the OTDR After the OTDR completes a measurement th...

Page 13: ...nclude the link attenuation link length link loss measurement duration measurement date distance range pulse width refection rate and laser wavelength For definition and settings of these parameters s...

Page 14: ...tical fiber from the start point of the optical fiber to the event point 3 5 2 3 Information about the A B Marker A marker is used to identify and analyze a single event trace section and distance The...

Page 15: ...ber link 3 5 3 Tool Bar of the OTDR 3 5 3 1 Icons on the Tool Bar SN Tool Icon Description 1 Set parameters 2 Start or stop the test 3 Save a file 4 Open a file 5 Return to the HOME page 6 Zoom in the...

Page 16: ...etails Figure 3 10 Parameter setup page You can set parameters by using keys on the keypad or by tapping the touch screen You can press or to select the parameter setup icon and press Enter to enter o...

Page 17: ...ld is displayed in the event list 10 Reflection threshold Any event with the reflection strength equal to or higher than this threshold is displayed in the event list 11 End threshold The first event...

Page 18: ...sers The default value of Distance range is Auto Setting the Pulse Width Selection of a pulse width affects the dynamic range and resolution of the test trace If the narrow pulse width test is selecte...

Page 19: ...r the SNR becomes higher and a larger dynamic range can be achieved Therefore when measuring a long distance optical fiber or viewing remote end events select a longer measurement Avg Time whenever po...

Page 20: ...ess Run Stop otherwise the measurement goes on an on In average mode the OTDR accumulates and averages the measurement data based on the selected measurement duration When the measurement time is equa...

Page 21: ...eflection rate setup page as shown in Figure 3 16 Figure 3 16 Setting the reflection rate Press or to select the digit to be modified and press or to modify the value of the selected digit After modif...

Page 22: ...gure 3 18 Setting the time Press or to select the digit to be modified and press or to modify the value of the selected digit After modification is completed press Enter to make the setting effective...

Page 23: ...adapter the indicator on the top cover of the OTDR is on in read indicating that the OTDR is being charged After the OTDR is fully charged the indicator is automatically off When the OTDR is powered...

Page 24: ...icon and press Enter to execute the corresponding function Alternatively you can tap an icon as required on the touch screen to execute the corresponding function 4 2 Obtaining the Trace The OTDR can...

Page 25: ...ctly use the default values of the OTDR This however may increase errors of measurement results In automatic measurement mode the parameter Distance range is set to Auto 4 2 3 Obtaining the Trace Auto...

Page 26: ...btain a satisfying measurement result The manual measurement procedure is as follows 1 Change the measurement distance by selecting a preset distance range according to 3 5 3 2 Parameter Setup 2 Start...

Page 27: ...ress Shift and ESC together to page up or down the event list 4 3 3 Viewing the A B Marker Information Switching and Moving the Marker A B On the page as shown in Figure 4 4 press Shift and ESC togeth...

Page 28: ...out a Trace Vertically This function is used to zoom out a trace vertically On the page as shown in Figure 4 4 tap on the touch screen or press Shift and on the keypad together to zoom out the trace v...

Page 29: ...ete a letter 4 10 Viewing an Existing Trace On the page as shown in Figure 4 4 press or to select the icon and press Enter to access the Open File dialog box as shown in Figure 4 5 Alliteratively dire...

Page 30: ...file to the USB flash drive and then copy the data on the USB flash drive to the PC If the SD card is used for uploading directly remove the SD card from the OTDR and use a card reader to copy the tr...

Page 31: ...iber core is 9 m The diameter of the dust or any other particle ranges from 0 1 to 0 01 m This means that the dust or any other particle can cover a part of the fiber end thus deteriorating the system...

Page 32: ...nectors c Fiber cleaning cloth used to clean optical connectors d Isopropanol e Cotton ball f Soft tissue g Pipe cleaning brush h Compressed air Cleaning Procedure The cleaning procedure is as follows...

Page 33: ...VFL Wavelength 650nm Output power mw 10 Test distance km 10 Optical Communications Test YES YES Note 1 Technical specifications describe the guaranteed performance of the OTDR when a typical UPC conn...

Page 34: ...duct If a product needs to be returned due to annual calibration or other reasons please contact the local customer service center of us in advance obtain a Return Material Authorization number RMA an...

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