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Revision A

02/2014

OFT-3

Optical Time Domain Reflectometer

User's Guide

Information contained in this manual is believed to be accurate and reliable. However, no responsibility is

assumed by Precision Rate Optics Inc. for its use nor for any infringements of patents or other rights of third

parties that may result from its use. No license is granted by implication or otherwise under any patent rights of

Precision Rate Optics Inc.

The information contained in the publications is subject to change without notice.

Содержание OFT-3

Страница 1: ...However no responsibility is assumed by Precision Rate Optics Inc for its use nor for any infringements of patents or other rights of third parties that may result from its use No license is granted...

Страница 2: ...nts 7 OTDR Operations 11 7 1 Key Pad 7 2 Entering OTDR Function 7 3 Icon Definitions 7 4 Main OTDR screen 7 5 OTDR Parameter Settings Screen Trace Parameters Event Table Fib0R Map Sensitivity Settings...

Страница 3: ...ettings Sensitivity Settings Event Analysis Screen Fib R Map Event Table Table Definitions 8 Project Management 27 8 1 Project Management Description Project Management Screen Project Management File...

Страница 4: ...o Scope 10 2 Video Scope Display 10 3 Video Scope Icon Menu Home Pass Fail Grading Overlay Pass Fail Label Brightness Save Image Load Image Cal Help 10 4 Viewing a Connector 10 5 Using Grading rings F...

Страница 5: ...OFT 3 User s Guide Precision Rate Optics Inc...

Страница 6: ...cause personal injury Caution A caution alerts to situations that may cause damage to the equipment or produce poor testing conditions result ing in inaccurate test results Note A special annotation...

Страница 7: ...iber optic interface of optical test equipment to do so could expose the user to laser radiation and could result in personal injury Warning To Prevent Fire or Shock Hazard Chapter 3 of this manual is...

Страница 8: ...the unit ensure that all proper cleaning procedures have been followed Use UPC Finish Connectors Only DO NOT insert APC connectors into the optical ports Caution The OTDR is equipped with a protection...

Страница 9: ...Autotest will set the averaging time to 60sec If approximate fiber length is known Set the Wavelength as above and further set the range pulse width and averaging time Press to open the icon menu use...

Страница 10: ...ess use the left and right buttons to highlight the schematic view icon and press To save a trace touch the icon and use the left or right buttons to highlight the file storage icon and press Press pr...

Страница 11: ...OFT 3 User s Guide Rev A 2 7 14 6 Chapter 4 Introduction...

Страница 12: ...cable 4 Manual and Certification software on CD 5 Set of interchangeable adapters SC ST and FC Fig 5 1 Chapter 5 Inspection and Identification 5 1 Inspection The instrument s Model Part Number Serial...

Страница 13: ...en to avoid liquids and contaminants around the fragile optical and electrical connectors and the glass display Use a mild cleaning agent and soft damp cloth to clean up the panels and the outside cas...

Страница 14: ...Time Domain Icon Select this icon to open the OTDR function Firmware Version Touch Screen Tip The home page icons are highlighted by using the left and right buttons pressing the select button will o...

Страница 15: ...low these caution statements could cause unsafe conditions for the operator and equipment and may void the warranty 6 4 Battery Replacement To replace the batteries remove the OTDR from the protective...

Страница 16: ...also back out of most menu selected screens In the project folder and file manager it opens the file edit menu bar When the menu button is pressed and the menu is displayed at the top of the screen th...

Страница 17: ...SA Splice markers Help Opens the context sensitive help menu Lambda Wavelength Cycles through available wavelengths Pulse Width Cycles through available pulse widths Range Cycles through available tes...

Страница 18: ...rameters Displays test parameters of wave length averaging time pulse width range and ORL Touch the symbol or value to cycle through the avail able settings A B Cursor Status Select Displays the 2pt l...

Страница 19: ...buttons to change parameter values There are two additional setting in this area that are not available on the main OTDR screen distance unit and pulse width unit Event Table Fib R Map Sensitivity Set...

Страница 20: ...es once a categories is highlighted press select to change the focus of the LRUD buttons Use the up down button to make changes to the highlighted digit and the left right buttons to move the another...

Страница 21: ...n board QWERTY keyboard to enter the new IOR value and touch save Set Wavelength To select the wavelength press the menu button to display the menu at the top of the display Use the LRUD buttons to hi...

Страница 22: ...t Use the on board keyboard to enter the new IOR value and touch save Set Wavelength To select the wavelength press the menu button to display the menu at the top of the display Use the LRUD buttons t...

Страница 23: ...ging icon Use the select button to cycle through the averaging times of RT Real Time 15 or 60 seconds 2 or 4 8 or 20 minutes Scan Once all the proper settings have been entered press the Scan button t...

Страница 24: ...2 Point loss 2 Point loss measurements take into account the difference in vertical height between where the A and B cursors cross the fiber trace to determine loss This information is located on the...

Страница 25: ...as can not include other events such as reflective or splice events Set a cursor at the beginning of an event and set splice loss measurement areas as directed below for accurate splice loss measureme...

Страница 26: ...ion 2 LSA Splice Loss Measurement Areas LSA Splice Loss Measurements Fig 7 4 Basic Splice Loss Measurements Basic Splice Loss Measurement Areas Splice Zone Indication Active Splice Zone Cursor Active...

Страница 27: ...rly Fig 7 6 The LSA area and cursor are set too late The left most green LSA indicator line is not over laying the back scatter of the trace Fig 7 7 The LSA area and cursor are set properly The green...

Страница 28: ...ght buttons to highlight the settings icon and press select The cursor is the yellow highlighted area If the yellow cursor is on a value that is the current selection that block will be highlighted gr...

Страница 29: ...t setting Use the LRUD buttons to highlight the desired setting and press select To exit the parameter screen press the menu button The lowest setting possible should be used to help filter out any fa...

Страница 30: ...ue Fig 7 11 Chapter 7 OTDR Operation System ORL Link Data Note The Link is the last item in the schematic view It is labeled E in the event number position The loss value just prior to this item is th...

Страница 31: ...d for the Pass Fail feature The E event will display LINK as this is not an event that would have meaning The event that is deemed the EOF will normally display a large loss as this loss will be great...

Страница 32: ...ed to the NONE folder Fig 8 1 Project Folder List Project Details Properties Project Management File Menu The file menu for project management may be operated with the touch screen however this manual...

Страница 33: ...d press select to drop down the files tab and press select to move to the file management page For onboard help pages highlight the help tab and press select Fig 8 5 Fig 8 4 Project Management File Dr...

Страница 34: ...is connected to the computer with the USB cable Highlight the project to be uploaded press menu to open file manager header use the right button to highlight edit press select press the down button to...

Страница 35: ...he keypad To open the file menu press the menu button Press select to open the file drop down menu or the left or right buttons to move in through the file menu File Management File Drop Down Menu To...

Страница 36: ...d press select Ensure the proper file is selected as once deleted the file cannot be recalled Delete must be held for approximately 1 second to complete the delete function File Management Edit Drop D...

Страница 37: ...oad and press select The file will be uploaded to the target folder selected on the computer with the software Rename a Trace File To rename a trace file have the file to be renamed highlighted Press...

Страница 38: ...g Yellow 130um Ring Green Home Icon Pass Fail Grading Ring Overlay Icon Pass Fail Label Icon Brightness Adjustment Icon Save Image Icon Live View Pause View Indicator Contaminant Scale 10 3 Video Scop...

Страница 39: ...in will increment to the next image storage position Cal This is not a user accessible feature Help Press the menu button use the left and right buttons to highlight the help icon and press select to...

Страница 40: ...ameter Allowable Scratches Width Allowable Defects Diameter A Critical Zone 0 m to 25 m None None B Cladding Zone 25 m to 120 m No limit 3 m None 3 m No Limit 2 m 5 from 2 m to 5 m None 5 m C Adhesive...

Страница 41: ...later viewing or to be included in test reports generated with the Certification reporting software To store an image enter the menu mode use the LRUD buttons to highlight the save image icon and pres...

Страница 42: ...Real time Refresh Rate 2 Hz Group Index of Refraction GIR 1 024 2 048 Linearity 05 dB dB Memory Capacity 1000 Memory Type Internal Power Supply Charger Universal Battery 4hr typ Storage Temperature 20...

Страница 43: ...be free of defects in workmanship and material for a period of one 1 year from the date of delivery This warranty does not apply to expendable parts such as batteries or optical panel connectors nor t...

Страница 44: ...continuous improvement the upgrade of the features and performance of this instrument are an on going process The instrument firmware version is accessible in the lower right corner of the home screen...

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