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Optical Wavelength Laboratories

OPERATIONS GUIDE

OWLTrek II

Optical Time Domain Reflectometer

(OTDR)

Singlemode: WTO2-S15 / WTO2-S13 / WTO2-S35

Multimode: WTO2-M85 / WTO2-M13 / WTO2-M83

OWL-INC.COM

Revision 2A

Optical Wavelength Laboratories (OWL)

N9623 West US Hwy 12

Whitewater, WI 53190

Phone: 262-473-0643

Internet: OWL-INC.COM

OWL

Содержание OWLTrek II WTO2-M83

Страница 1: ...I Optical Time Domain Reflectometer OTDR Singlemode WTO2 S15 WTO2 S13 WTO2 S35 Multimode WTO2 M85 WTO2 M13 WTO2 M83 OWL INC COM Revision 2A Optical Wavelength Laboratories OWL N9623 West US Hwy 12 Whitewater WI 53190 Phone 262 473 0643 Internet OWL INC COM OWL ...

Страница 2: ... and photodiodes highly susceptible damage impact WARNING HANDLE WITH EXTREME CARE DO NOT OPEN THIS UNIT SENSITIVE POINTS CRITICAL DAMAGE POINT Fiber coupling to laser and photodiode CRITICAL DAMAGE POINT Fiber crush point near enclosure s edge NOTE This is an issue for ALL SIDES of the enclosure when re sealing the unit ...

Страница 3: ...ECTION 2 OTDR TESTING Power ON OFF 7 Key OTDRTrace Parameters 7 Wavelength 7 Index of Refraction 7 Capture Mode 7 Pulse Width 7 Number of Samples 7 Dead Zone Length m 7 Range 7 Step 7 SettingTest Parameters 8 Set Wavelength 8 Set Index of Refraction 8 SettingTrace Options 9 Capture Mode 9 Pulse Width 9 Number of Samples 9 Dead Zone Length m 9 Range 9 Step 9 Starting an OTDRTrace 10 Cursor Navigati...

Страница 4: ... Clock 23 SetAPD Bias 23 Format Data Flash 23 Manufacturer Setup 24 Factory Reset 24 SECTION 6 OPERATION MAINTENANCE Visual Fault Locator VFL Operation 25 Fiber IDTone Operation 26 Live Mode Operation 27 Cleaning the OTDR Port 28 SECTION 7 OWLVIEW FOR OTDR SOFTWARE Overview 29 Installing OWLView Software 29 Installing from USB Flash Drive 29 Installing from Website 29 Launching the Software 30 Qui...

Страница 5: ...de Cursors 36 EventAnalysis Proper Cursor Placement 36 Tools Menu 36 Update Firmware 36 Change Length Units 36 InvertYAxis 36 Help Menu 36 SECTION 8 APPENDICES Specifications 37 Maintenance Information 37 Repair 37 Battery Replacement 37 Cleaning 37 Warranty 37 Contact Information 37 TABLE OF CONTENTS SECTION 1 INTRODUCTION ...

Страница 6: ...ppliedoperationsmanuals ThemainreasontouseanOTDRistolocatefaultsinanopticalfiberthatexhibitsunacceptableamountsofopticalloss orisnolonger functioning properly These faults are commonly called events and include anomalies such as breaks shatters connector endfaces patch panels splices macro bends and micro bends By knowing the precise distance to an event the technician can determinethenatureofthee...

Страница 7: ...s otherwise known as Fresnelevents suchasbreaks shatters patchpanels ortheendofthefiberlink Thedistancetoaneventisshownasaspikeonthe OTDRtrace allowingthetechniciantoquicklylocatetheproblemandrestorethenetwork Fiber Length Measurement The OWLTrek II can give the operator a general idea of the length of the optical fiber by placing the cursors at the first and last reflective events although the la...

Страница 8: ...tisconnectedtothefiberundertest orthedustcapisfirmlyinplace ElectricalSafety Only use appropriate AC adapters for charging this device Use of inappropriate power adapters could cause damage to thedevice andcouldcauseharmtotheuserfromfireandelectricalshock Operational eep connector ferrules and optical connector ports clean to prevent irreparable damage to the OTDR port For best results replacedust...

Страница 9: ...ion options menu at the bottom of the screen Also activates menuoptionswhileinthemenusystem 4 PORTS BUTTONS Visual Fault Locator Port VFL Visual Fault Locator port fortroubleshooting USB Download Port downloads data from the OTDR to the PC for software trace analysis and digital data storage alsousedforbatterycharging OTDR Port OTDR connects the OTDR to the fiber under test ResetButton resetstheOT...

Страница 10: ...cewavelengthwillbelistedontheleft Ifmorethanonewavelengthispresent thecolorofthetracecorrespondswiththecolorofthewavelengthnumber Trace Information displays the relative position and power levels at and between the red and green cursors for the currentlyactivetrace FunctionOptionsMenu displaystheon screenmenuoptionsfortracecontrol TherearethreesetsofFunctionOptionsMenus TheEnterkey isusedtotoggleb...

Страница 11: ...ingthrougha transformerorUSBport batteryfullycharged batterycharging problemwithbatteryand orcharger contactOWLforservice STANDBYSTATUS Normaloperation blinking STANDBY solid pressanykeyto wakeup thedevice GREEN GREEN ORANGE RED RED INDICATOR LEDs Fiber x AUTO ...

Страница 12: ...aftertheuser definednumberofaveragesiscompleted ThecursorsandzoomfunctionsworkinLIVEmode To startandexitLIVEmode presstheTESTfunctionbutton NOTE ifconnectedtoaPCrunningOWLViewsoftware LIVEmodealsoupdatesthesoftwaretracearea PULSE WIDTH range of values Multimode 1 2 5 10 20 50 100 m Singlemode 1 2 5 10 20 50 100 200 500 1000 m Pulse width offers a trade off between the ability to measure longer cab...

Страница 13: ...ress from the trace screen until the following menu optionsappear allows the user to select one or both wavelengths to be used for testing Arrow keys scroll through three options 1310nm 1550nm BOTH Presskeyagaintoexit The selected wavelength s will appear at the bottom of the trace screen If two wavelengths arepresentonthetracescreen theywillbedisplayedaseither or Thecursorinformationbelowthetrace...

Страница 14: ...ing a dead zone box a k a pulse suppressor box If using a dead zone box and you want to highlight the dead zone box length on the trace enter the length of the dead zoneboxinmeters RANGE rangeofvalues 1 2 5 10 25 50 65 128km Settothenext highest value from theactual length ofthefiber undertest Iffiberlengthisunknown selectMAXkm STEP Range of values 1 2 4 m Use shortest STEP value for most accurate...

Страница 15: ...differencebetweenthetwocursors textreferstotheperceivedendofthefiberlink setstheactivecursor nocursor orboth and lockstheactivecursoratitscurrentlocation unlocksalockedcursor When a cursor is locked a colored padlock symbol will appear next to theappropriatecursorinformation setstheZOOMmodetoHorizontal H orVertical V WHEN ONE OR MORE CURSORS ARE SELECTED moves the cursor s left or right holding th...

Страница 16: ...lcontact connectors Fresnel end of fiber link could also indicate a severe break where no other events can be detected afterthebreak theslopeofthetraceappearsto dip toalowerlevelaftertheevent events 1 2 and 3 this could mean one of two things 1 if the slope of the line changes the refractive index of the fiber preceding the event is different from the refractive index of the fiber following the ev...

Страница 17: ...ertain section of an optical fiber link can be determined by placing the cursors at the beginning and end points of the segmentoffiberundertest CURSORPLACEMENT Proper cursor placement is necessary to determine the attenuation of a certain segmentoffiber The cursor should be placed at the beginning of the section of fiber undertest The cursor should be placed at the end of the section of fiber unde...

Страница 18: ...tion Seepage5formoreinformationaboutfunctionoptionmenus LOCATION thedistancetothestartoftheevent TYPE typeofevent reflective loss etc REFL reflectanceoftheevent LOSS lossoftheevent movesthecursorupanddowninthelistofdetectedevents returnstheusertothetracescreen zoomedinontheselectedevent displaysthenextpageofevents iftherearemoreeventsthanwillfitonthescreen returnstheusertothetracescreen Once an ev...

Страница 19: ...overyfromsaturation 4 TheOTDRhasfullyrecoveredfromsaturation andhasreturnedtoitsnormalbackscatterline In this example the reflective event is caused by the interconnection that occurs between two connectors at a patch panel The connectorsoneithersideofthepatchpanelarePC physicalcontact Thereareseveralwaystoaddresshighlyreflectiveeventslikethis a Thoroughlycleanandinspectbothconnectorsfordebrisorda...

Страница 20: ...ave the currently displayedtracetomemory Toenterafibername usethearrowkeystohighlighttheappropriatecharacteronthegrid BACKSPACE TOGGLEBETWEENUPPERANDLOWERCASEALPHABET FORWARDSPACE SELECTTHEHIGHLIGHTEDCHARACTER FINISHEDENTERINGNAME SAVE SHIFT SPACE DONE SAVING A TRACE SECTION 4 TRACE STORAGE 06086m 20226m 24718m RFL dB x 81 00 14140 dB 2 34 3 43 L m x Fiber x SAVE LOAD INDEX SETUP ENTER AUTO Enter ...

Страница 21: ...elete only traces that have been previously downloaded see TRACE DOWNLOAD STATUSbelow displaysthenextpageoffibertracesiftherearemoretracesthanwillfitonthescreen TRACE PARAMETER INFORMATION Information at the bottom of the STORED TRACES screen shows trace parameter settings usedwhenthetracewastaken n indexofrefraction L fiberlength P pulsewidth S step TRACE DOWNLOAD STATUS If the trace has already ...

Страница 22: ...ational and menu screens throughouttheOTDR MENU 17 MENUS SECTION 5 OTDR SETUP 06086m 20226m 24718m RFL dB x 81 00 14140 dB 2 34 3 43 L m x Fiber x TEST MENU LOCK CURSOR ENTER AUTO SETUP MENU XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX...

Страница 23: ...X XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXSELECTXXXXXXBACKXXXXXXXEXIT Bns 81 00 UP v DOWN ENTER DONE TRACE OPTIONS CAPTURE MODE PULSE WIDTH NUMBER OF SAMPLES DEAD ZONE LENGTH m RANGE STEP XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XX XXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XX XXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXX...

Страница 24: ...XXXXXXXXXXXXXXXXXXXXX UTILITIES MENU The fiber backscatter coefficient is a normalized measure of the backscatter properties of the fiber and is provided by the manufacturer XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXBACKXXXXXXSELECTXXXXXXXEXITXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXBACKXXXXXXSELECTXXXXXXXEXITXXX XXXXXXXXXXXXXXXX...

Страница 25: ... XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXX XXXXSHIFTXXXSPACEXXXXDONEXX Enter phone number Use arrows to highlight letter then press the enter key Tap the power button to abort ABCDEFGHIJKLM NOPQRSTUVWXYZ 0123456789 SHIFT SPACE D...

Страница 26: ...D automatically alternates between portrait and landscape modes based upon the physical orientationoftheOTDR PORTRAIT displayisalwaysinportraitmode LANDSCAPE displayisalwaysinlandscapemode DIMNESS Sets the level of the LCD backlight during power saving mode Range of valuesare25 dimmest to125 brightest NOTE highervaluesrequiremorebatterypower BRIGHTNESS Sets the level of the LCD backlight during no...

Страница 27: ...XXXXXXXXXXXXXXXXXXXXXX XXTRACE CLIPPING XXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXSAVEXXXXQUITXXXXHELPXXXXXXXXXXXX 003 015 045 SAVE QUIT HELP 22 POWER OPTIONS DIMTIME Sets the t...

Страница 28: ...orts Set APD Bias Sets the high voltage bias of the avalanche photodiode FormatDataFlash Initializes the internal trace storage memory This option will erase all stored traces and shouldonlybeusedincaseswherethefilesystemhasbecomecorrupted POWER OPTIONS XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXDIM TIME XXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXX...

Страница 29: ...UTILITIES MENU CONT FactoryReset Restoresusersettingstofactorydefaults ManufacturerSetup Containssetupparametersaccessiblebythemanufactureronly FORMATTING DATA FLASH XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX SET SYSTEM CLOCK XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX SET APD BIAS XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXX XXX UTI XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX HELP TOPICS XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXX...

Страница 30: ...stheVFLsoftkeytotogglethroughthedifferentVFLmodes The VFL status icon will appear on the trace screen above the trace area as shownatright noicon OFF ON BLINK EYESAFETYPRECAUTIONS look directly at the output of the VFL and even limited exposure over time to reflected VFLlight can be dangerous totheeye use a piece of paper to diffuse the light exiting the far end connector NEVER For best results if...

Страница 31: ...ht the FIBER ID TONE option FIBERIDTONEhastwosettings OFFandON The FIBER ID TONE status icon will appear on the trace screen above thetraceareaasshownatright 06086m 20226m 24718m RFL dB x 81 00 x 14140 dB 2 43 x 3 34 x L m x Fiber x WAVE MENU EOF EVENTS ENTER 1550nm AUTO H CONFIGURE OPTIONS FIBER ID TONE VISUAL FAULT LOCATOR Press ENTER when done Press for help XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX X...

Страница 32: ...RLCDdisplay ToenableLIVEmodeinOWLViewsoftware 1 LaunchOWLViewsoftware 2 Click StartLiveMode 3 If the OTDR is not already in LIVE mode follow the instructions that appear on the software screen wait for LIVEmodeontheOTDRtobegin thenclick StartLiveMode again WhenLIVEtestingiscomplete press againtoexitLIVEmode SETUP TEST TEST 06086m 20226m 24718m RFL dB x 81 00 x 14140 dB 2 43 x 3 34 x L m x Fiber x ...

Страница 33: ...SPECT OPTICALPORTSANDFIBERENDFACESWITHOUTEXPOSINGTHEEYETOHARMFULOPTICALRADIATION 28 SECTION 6 OPERATION MAINTENANCE CLEANING THE OTDR PORT WET CLEAN PROCEDURE Wet the tip of a 2 5mm cleaning swab with isopropyl alcohol Carefully insert the wet tip of the swab into the optical port Clean out the optical port according to the directions providedwiththeswabs Blow dry the optical port with the compres...

Страница 34: ...lash drive hardware and assigns a drivelettertotheflashdrive Depending upon computer configuration the flash drive may or may not run theinstallationprogramautomatically Iftheinstallationprogramrunsautomatically skiptoStep5 Iftheinstallationprogramdoesnotrunautomatically continuetoStep2 2 Using My Computer browse to the drive letter created when the flash drive wasinserted drivelettermayvaryfordif...

Страница 35: ...downloadcable NOTE ifpromptedtoinstallnewhardware followtheon screendirectionstocompletetheUSBdriverinstallation 2 Tracedownloadcanbeinitiatedtwoways CommonActions DownloadTrace s fromOTDR Filemenu DownloadTraces 3 The dialog box similar to the one at right will appear with a listing of the OTDR tracesthathavenotyetbeendownloadedtoaPC NOTE to view all traces stored in the OTDR check the box next t...

Страница 36: ...a i e if the trace was zoomed in on only the part of the trace that is zoomedinonwillprint ClickingFile PrintPreviewwillshowapreviewofthetraceprintout ConsulttheZoomIn Outsectioninthismanualformoreinformationaboutviewingthecompletetraceinthetracearea PRINTINGMULTIPLETRACES NOTE printing multiple traces must be activated from the Common Actions screen Close all traces before attempting to print mul...

Страница 37: ...velengths a separate SORfilewillbecreatedforeachwavelength Adialogboxwillappearallowingtheusertochoosea directory as well as a different filename for the two differentSORfilestobecreated ClickExporttosavethefiles BATCHEXPORTSORFILES OWLViewcontainsafunctionthatallowsalargenumberof OTDfilestobeexportedsimultaneously However thisfunctionislimited totraceswithonewavelengthonly Dual wavelengthtracesmu...

Страница 38: ...s from the OTDR 1234 1234 LIVE MODE View the OTDR trace in real time as it changes on the OTDR itself more on this function later in the manual THUMBNAILVIEW ShowsasmallthumbnailoftheoverallOTDRtrace TRACEDETAILS ContainsinformationaboutthetraceparametersusedfortheOTDRtrace Name Nameoftraceenteredwhentracewasstored Wavelength 8 1 Firsttestwavelength Wavelength 8 2 Secondtestwavelength ifapplicable...

Страница 39: ...ticallines EVENTTABLE Shows the following information Event Shows the e v e n t n u m b e r corresponds to the event number shown on the tracescreen EventType Showsthetypeofevent reflective non reflective reflectivestart reflectiveend multiplereflective etc EventStart Showsthedistancetothestartoftheevent ineithermetersorfeet EventEnd Showsthedistancetotheendoftheevent ineithermetersorfeet Reflecti...

Страница 40: ...ion Once the mouse button is released the trace area changes to showtheareaofthetraceproducedbytherectangle seeFigure2below RECTANGLEZOOM The rectangle zoom feature allows the user to drag a rectangle on the OTDR trace to quickly zoom in on the portion of the trace highlightedbytherectangle Figure1belowshowsanexampleofrectanglezoom The highlighted rectangle in Figure 1 is a click and drag operatio...

Страница 41: ...anualforinformationabouthowtocheckyourOTDR scurrentfirmwareversion 1 Click Check for Updates requires internet access to download the firmware file from the OWLTrek II OTDR firmware updatewebpageontotheuser sPC 2 ConnecttheOWLTrekIIOTDRtothePCviatheUSBdownloadcable 3 ClickFromFile thenbrowsetothelocationwherethefirmwareupdatefilewassavedtotheuser sPC 4 ClickOpentobeginthefirmwareupdate CHANGELENGT...

Страница 42: ...ght 10 ounces 284 g Output Wavelength 650nm Output Power 1 mW Operating Mode CW Flash 1 All price shown are in US Dollars USD List price is shown for US customers only Prices outside the US may vary based on individual countries import duties and taxes currency conversion and other value added charges 2 Using maximum pulse width 3 Width measured 1 5dB down on each side of a reflective event using ...

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