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OTR 700 User's Guide Rev02 11/2016

Chapter 7 Fault Locate Operation

Fig 7.3

Failing Event is Red

Event Number

Schematic View

Range of the Trace

Red Ares is

Currently Being

Displayed

Event Table

Event Number

Pass/Fail

Event Location

Event Loss in

Loss Between

Previous and

Current Events

dB Per/Km, Kf or Mi

Between Events

Event Type or

Reflectance

Value

Fig 7.4

Reflective

Events

Event Location

Note

The End of Fiber is the last item in the schematic view. It is labeled E in the event number position and

displays a vertical Bar instead of horizontal.

Link Informa-

tion

Link Loss

EOF Event

Information

System ORL

Fiber Link Length

Passing event

is green

Non-Reflective

Event

Link dB Per/

Km, Kf or Mi

Содержание OTR 700 OTDRs

Страница 1: ...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 ODM Inc The information cont...

Страница 2: ...attery Replacement 4 NiMH Batteries Li ion Pack 7 Fault Locator 11 7 1 Fault Locator Operation Set Wavelength Start Scan Exit Fault Locator Mode 7 2 Fault Locator Screen Event Table Schematic View Eve...

Страница 3: ...tion Mode 8 9 Trace Analysis Unit of Measure Zoom Cursor Movement 8 10 Loss Measurements 2 Point Loss dB km Optical Return Loss Basic Splice Loss Least Square Approximation LSA 8 11 Loss Measurement S...

Страница 4: ...f Parameters Exit Project Management 10 File Management 37 10 1 File Management Description File Management Screen File Management Menu File Management File Tab File Management Edit Tab File Managemen...

Страница 5: ...Set 45 12 1 Entering Loss Test Set Function 12 2 LTS File Help Icon Menu Home Quick Save Project Management File Management Help 12 3 Light Source Operation Selecting Light Source Wavelength Selectin...

Страница 6: ...ty considerations and certain practices that should be followed Please read and follow all warning and caution information noted in this manual Precautions There are also a few touch screen tips scatt...

Страница 7: ...injury Warning To Prevent Fire or Shock Hazard Chapter 3 of this manual is a quick start guide Prior to using the quick start guide or operat ing the equipment in any way it is highly suggested the u...

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 protectio...

Страница 9: ...rmine the most appropriate range and pulse width 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 an...

Страница 10: ...bs immediately below the grid scale Note The OTDR tab displays the trace with the parameters listed and loss and distance measurements dis played The Event tab displays the trace with numbered events...

Страница 11: ...ilable to answer any questions or provide assistance that you require We at ODM strive to provide premier customer care and technical support by providing timely responsiveness and training We are pro...

Страница 12: ...FC and Power Meter adapters for SC ST FC 1 25 universal and 2 5 universal Note ST OTDR adapters are not supplied with PON or CWDM OTDRs Fig 5 1 Chapter 5 Inspection and Identification 5 1 Inspection...

Страница 13: ...cal and electrical connectors and the glass display Use a mild cleaning agent and soft damp cloth to clean up the panels and the outside case See the maintenance sec tion to clean the optical connecto...

Страница 14: ...tteries require a 100 240V 0 6A input and 15V 1 2A center positive output universal AC DC battery charger A fully charged Li ion battery pack will typically enable approximately 9 hrs of use and requi...

Страница 15: ...erator and equipment and may void the warranty Chapter 6 OTR 700 Description 6 4 Battery Replacement 4 AA NiMH To replace the batteries remove the OTDR from the protective boot by pulling the bottom o...

Страница 16: ...ter the Fault Locator mode touch the FAULT icon on the home screen The screen below will be displayed Touch Here To Select Wavelength Touch The Lower Area Of The Screen To start a Scan Set Wavelength...

Страница 17: ...t Locator Operation Continued When a scan it taken with the Fault Locate the trace information is temporarily stored in the OTDR If the full trace needs to be viewed double touch in the event table ar...

Страница 18: ...Loss Between Previous and Current Events dB Per Km Kf or Mi Between Events Event Type or Reflectance Value Fig 7 4 Reflective Events Event Location Note The End of Fiber is the last item in the schem...

Страница 19: ...er indicates a gain normally due to mismatched index of refraction This is a settable threshold for the Pass Fail purposes The E event will display LINK as this is not an event that would have meaning...

Страница 20: ...yed at the top of the screen the focus of the LRUD buttons and the select buttons are on the icon menu and no longer on the trace cursors Toggles between A and B as the active cursors Selects the Zoom...

Страница 21: ...ings Opens the parameters setting page Splice Zone Setting Turns on LSA Splice markers Help Opens the context sensitive help menu Lambda Wavelength Cycles through available wavelengths Averaging Cycle...

Страница 22: ...rough the loss methods Test Parameters 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 and long touc...

Страница 23: ...24 hour clock touch one of the arrows above or below a digit Moving off the threshold category locks in the setting There are three tabs on the main OTDR screen OTDR Events and Schematic Use the OTDR...

Страница 24: ...s highlight the date and press select With the touch screen uses the arrows on either side of the month to set the month then touch the correct date Use the LRUD to buttons to highlight the clock and...

Страница 25: ...s to highlight the Lambda Wavelength icon press select to cycle through the available wavelengths and press the menu button again to hide the menu Use only the single wavelength settings for the Autot...

Страница 26: ...he wavelength that is the active will be displayed To change the IOR use the on screen QWERTY keyboard to enter the new value and touch save Each wavelength stores an independent IOR Set Wavelength To...

Страница 27: ...s have been entered press the Scan button to take the trace To stop the trace press the scan button again Chapter 8 OTDR Operation Range 5ns 10ns 30ns 100ns 300ns 1 3 10 20 500m 1km 4km 16km 64km 128k...

Страница 28: ...ile Name Once the project folder has been created and or opened the files folder for that project will be displayed A base file name for the test should be established Press the menu button to open th...

Страница 29: ...Start A Test To start the test connect the fiber to be tested to the proper OTDR port and press the scan button The OTDR will test the fiber at the shorter wavelength display the trace and save the f...

Страница 30: ...r The cursors are moved using the left and right buttons 8 10 Loss Measurements 2 Point loss 2 Point loss measurements take into account the difference in vertical height between where the A and B cur...

Страница 31: ...Splice Loss method in noisy environments When using the splice loss It is necessary to set the splice loss areas in clear backscatter areas that do not consist of other events For accurate splice loss...

Страница 32: ...Zone Cursor Active Splice Zone Cursor Splice Loss Measurement Areas Splice Loss Adjustment Positions Chapter 8 OTDR Operation Note The vertical green line is used to show which point of the LSA measu...

Страница 33: ...Fig 8 7 The LSA area and cursor are set too late The left green LSA indicator line is not over laying the back scatter of the trace properly Fig 8 8 The LSA area and cursor are set properly The green...

Страница 34: ...ft right buttons to highlight the settings icon and press select Use the down button to move the cursor to the threshold setting to be set When the threshold value is selected with the yellow backgrou...

Страница 35: ...st sensitivity settings should only be used for traces with high signal level low noise long pulse width and long average Macrobend Analysis Macro bend analysis is performed with the dual trace operat...

Страница 36: ...rrent Events dB Per Km Kf or Mi Between Events Event Type or Reflectance Value Fig 8 12 Chapter 8 OTDR Operation Reflective Events Event Location Note The End of Fiber is the last item in the schemati...

Страница 37: ...mally due to mismatched index of refraction This is an adjustable threshold for the Pass Fail feature The E event will display N A and the L Link displays Link as these are not an event that would hav...

Страница 38: ...e operated with the touch screen however this manual describes the manner of operation with the keypad To open the menu press the menu button There are four tabs available File Edit View and Help Use...

Страница 39: ...ct to move to the file management page For onboard help pages highlight the help tab and press select Fig 9 5 Fig 9 4 Project Management File Tab To open the drop down menu under file with file tab hi...

Страница 40: ...n press menu press select use the down button to highlight exit and press select again Open an Existing Project To open a project press the menu button highlight the project folder and press the Selec...

Страница 41: ...e new parameter and save All subsequent test will use the new settings until the original settings are returned or the folder is reopened resetting the project parameters To make temporary changes to...

Страница 42: ...t folder Any files saved with the LTS or scope functions will also be associated with the open folder Fig 10 1 File Management File Menu The menu for file management may be operated with the touch scr...

Страница 43: ...roperties is grayed out and not accessible from this location File Management View and Help Tabs View offers the user the opportunity to move to the projects management page from the file management p...

Страница 44: ...b press select or the down button to open the drop down menu Use the down button to highlight Exit and press select Open View a Trace To open a trace press the menu button highlight the file folder an...

Страница 45: ...le management and Help Home Press the menu button use the left and right buttons to highlight the home icon and press select to return to the home Screen Fig 11 1 11 2 Video Scope Display Touch Screen...

Страница 46: ...on Trace files are indicated by a trace icon LTS file by an LTS icon and scope files are preceded by scope target icon Help Press the menu button use the left and right buttons to highlight the help i...

Страница 47: ...s is clean slide the tip on to the end of the probe and tighten the tip retention nut Do not overtighten the retention nut Viewing Focusing a Connector With the video scope turned on and the video pro...

Страница 48: ...may be marked on the image Auto Pass Fail Once the image has been centered in the grading rings set the P F icon to Auto and press the scan button The video scope will evaluate the image and grade it...

Страница 49: ...able 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 Zone 120 m...

Страница 50: ...cription of project management operation please refer to Chapter 10 of this user s guide Help Press the menu button use the left and right buttons to highlight the help icon and press select to view t...

Страница 51: ...the files saved with incremen tally number suffixes use the file manager to save the base file name with the suffix number as the first file to be save in a sequence and then use the Quick Save icon...

Страница 52: ...ithout rubber boot 8 07 L x 3 89 W x 1 57 H 205mm L x 99mm W x 40mm H Weight 1 6 lbs Communications ports USB Connector Styles FC ST or SC Interchangeable ODM reserves the right to change specificatio...

Страница 53: ...o be free of defects in workmanship and material for a period of two years from the date of delivery This warranty does not apply to expendable parts such as batteries or optical panel connectors nor...

Страница 54: ...en in either event or schematic tab Redesigned the scope screen including new large icon menus and the defect size gauge overlays Support for virtual instrument control via both OpTrace and android ap...

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