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6

Test Settings: General OTDR Test Modes

Setup 
Parameter

General-Purpose OTDR Test Mode

Full Auto

Real Time

Expert

Wavelength

User selects single or multiple wavelength(s) at which to test.

Auto Setup

N/A  
(not applicable)

[Off]:

 User sets all parameters manually.

[By Range]:

 User sets 

[Range]

 & 

[Resolution]

, 

[Pulse width]

 & 

[Averaging] 

selected automatically.

Range

N/A: automatic User sets OTDR scan range.

Pulse width

N/A: automatic, 
based on auto-
detected range

Automatic if 

[Auto Setup]

 parameter is set to 

[By Range] 

option.

User-set if 

[Auto Setup]

 parameter is set to option 

[Off]

.

Averaging

N/A: 1 second 
updates

Automatic if 

[Auto Setup]

 is set to 

[By Range].

 

User-set if 

[Auto Setup]

 is set to 

[Off]. 

Resolution

N/A: automatic User-set 

[High]

 or 

[Normal].

Range: 

When setting manually, select 

[Range]

, 

which is at least 20% longer than the fiber under 
test.

Pulse width [Pulse]:

 Select wider pulse widths to 

obtain cleaner traces (less noisy). Select narrower 
pulse widths to detect events which are close 
together (better resolution).

Averaging Time [Averaging]:

 Longer averaging 

times produce cleaner traces.

Resolution:

 

[High]

 resolution provides close data 

spacing for more precise event location and better 
detection of closely spaced events. 

[Normal]

 

resolution uses more filtering to provide a cleaner 
trace, but with lower resolution.

Summary of Contents for FlexTester 3

Page 1: ...www AFLglobal com or 1 800 321 5298 1 603 528 7780 FLX380 FlexTester3 Series Quick Reference Guide Advanced Test Equipment Rentals www atecorp com 800 404 ATEC 2832 Established 1981 ...

Page 2: ... these keys are used to adjust zoom In the Move mode Left and Right keys are used to move cursors Select A B This key provides several functions Main Menu press to display a submenu if available Trace Page press to toggle the active cursor between A and B Back Press once to return to the previous page Press one or more times depending on which menu or editor submenu is displayed to return to the M...

Page 3: ...gth loss and ORL Connector loss and reflection Splice loss Auto Real Time Any Short range fault location First connector check Fusion splice check Mechanical splice tuning Semi Auto Expert Any Advanced point to point and FTTx PON testing for experienced OTDR users Manual or Semi auto PON OLT PON Light Source and Power Meter Mode TEST MODE APPLICATION Light Source Measure end to end loss using manu...

Page 4: ...ld only be used for point to point testing applications To Start a Test press Test key To Stop a Test Press Test key If pressed before trace appears it will stop the test and display the setup menu If pressed after trace appears it will stop the test generate the event table and show the partially completed trace Press the Back key OTDR stops the test and displays the setup menu Battery charge sta...

Page 5: ...ss the Test key to start an OTDR test 5 The FLS380 30 will assess the loss and reflectance at the OTDR s connection to the launch ring or fiber under test 6 If excess loss or reflectance is detected the OTDR reports results and displays the Poor Launch Quality screen C 7 From the Poor Launch Quality screen C the user may chose to perform one of the following 8 Cancel a test by pressing Cancel D so...

Page 6: ...et to option Off Averaging N A 1 second updates Automatic if Auto Setup is set to By Range User set if Auto Setup is set to Off Resolution N A automatic User set High or Normal Range When setting manually select Range which is at least 20 longer than the fiber under test Pulse width Pulse Select wider pulse widths to obtain cleaner traces less noisy Select narrower pulse widths to detect events wh...

Page 7: ... Fiber Only option If Test is set to Through Splitter user sets PON split ratio 1x8 1x16 x132 1x64 or 1x128 Test Settings FTTx PON OTDR Test Mode Range When setting manually select Range which is at least 20 longer than the fiber under test Pulse width Pulse If testing through splitter pulse width is set automatically based on Range and PON split ratio If testing customer drop fiber only In Servic...

Page 8: ...displays end to end link measurements A and B cursors Trace graph RED is current Receive cable if present File name cable name fiber number or New Trace if file has not been saved Test Wavelengths RED is current Grid units display dB div on vertical axis and distance div on horizontal axis Trace Page displays OTDR trace A B cursors Loss Distance and max reflectance between A and B cursors Launch c...

Page 9: ...and B cursor For multi wavelength tests press to toggle active trace A cursor location Maximum Reflectance between A and B cursor Press to toggle Zoom and Move mode In Move mode the key label will be displayed as Zoom In Zoom mode the key label will be displayed as x Zoom Press to Unzoom or Rezoom Left Move active cursor Right Move active cursor A B cursor select Vertical Zoom Vertical Zoom Horizo...

Page 10: ...er test Non reflective Loss Event An event with measurable loss but very small or unmeasurable reflectance typically caused by a fusion splice fiber break or macrobend with macrobend detection disabled Non reflective Gainer Event An event with negative loss which can occur in OTDR traces where two fibers with very different backscatter coefficients are spliced or connected A gainer will be seen as...

Page 11: ...gh loss event 6 dB is detected which is determined not to be the end of the fiber Group Start Event First event in multiple event group Reports loss of entire group Reports reflectance of first event in group if reflectance of next event can be independently measured Reports max reflectance of grouped events if next reflectance cannot be independently measured Group Middle Event Grouped events may...

Page 12: ...vents to recalculate the Event Table For multiple wavelength tests press to toggle the wavelength and display setup conditions for that wavelength Press key to display submenu A Use keys to highlight the desired parameter Use keys to change the highlighted parameter When done press Recalc Events to recalculate the Event Table These fields show the current setup conditions OTDR Mode Information Pag...

Page 13: ...en view or delete the highlighted results file Save As Lists the current job the current cable and the fiber number that will be used the next time a group of traces is saved Use to save the new results created by the most recent test or the results most recently opened recalled from memory File Manager Jobs Page Press to open the highlighted Job which becomes the current job and see a list of the...

Page 14: ...s to open the highlighted trace or OPM result Opening the selected trace file will open traces for all wavelengths having the same fiber number Select to return to Jobs page Select to return to Cables page Press to display the Save As page Press to display the Save As page This field shows X Y X number of the highlighted cable Y total number of cables in the current job This field shows X Y X numb...

Page 15: ... to change the highlighted character If the Job End1 End2 Cable name and Fiber number are edited to a name and number that already exists in the current folder then pressing the Save key will cause the FLX380 to display Overwrite file If the Job End1 End2 Cable name is edited to a new name then pressing the Save key will cause the FLX380 to create a new folder of this name Note This is the only wa...

Page 16: ...ave ID If none of these are detected this OPM field is blank When Wave ID is displayed Power or loss is measured and displayed for the automatically detected wavelengths In other modes the wavelength must be manually set but tone frequency is automatically detected Press to toggle units dB to measure loss dBm or W to measure power Press to toggle OPM wavelength Hold to set OPM reference level Pres...

Page 17: ...ecting your FLX380 to your PC or pressing the Cancel soft key on the USB page left click the Safely Remove Hardware icon in the Start bar of your PC then left click the Safely Remove USB mass storage device Drive X message where X is the drive letter assigned to your FLX380 For detailed operating instructions refer to the FLX380 User s Guide available on supplied CD and www AFLglobal com FLX380 30...

Page 18: ...hank you for choosing NOYES Test and Inspection CERTIFIED 9001 ISO NOYES FIBER SYSTEMS www AFLglobal com or 1 800 321 5298 1 603 528 7780 2013 AFL all rights reserved FLX3 3X 1ENG Revision 1A 2013 07 30 ...

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