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Optical Wavelength Laboratories

OPERATIONS GUIDE

ZOOM 2 OPTICAL POWER METER

Model Numbers:

ZO2

ZO2V

OWL-INC.COM

Revision 2.1
August 27, 2021

Optical Wavelength Laboratories (OWL)

N9623 Hwy 12

Whitewater, WI 53190

Phone: 262-473-0643

Internet: OWL-INC.COM

OWL

Summary of Contents for ZO2

Page 1: ...tories OPERATIONS GUIDE ZOOM 2 OPTICAL POWER METER Model Numbers ZO2 ZO2V OWL INC COM Revision 2 1 August 27 2021 Optical Wavelength Laboratories OWL N9623 Hwy 12 Whitewater WI 53190 Phone 262 473 0643 Internet OWL INC COM OWL ...

Page 2: ...urces only 22 ZOOM 2 Laser OWL SM Test Kit 13 Optional VFL Port 16 Maintenance and Calibration Information 23 Visual Fault Location 17 Cleaning the Detector Port 20 About This Manual 1 Before You Begin 1 Fiber Continuity Testing 2 Introduction Patch Cord Testing 2 Applications 2 Attenuation Optical Loss Measurements 2 Active Equipment Optical Power Measurements 2 Visual Fault Location 2 Descriptio...

Page 3: ...nsmanuals Fiberoptictestersvaryfromothertypesoftestequipmentduetoissuessuchas 1 standards basedtesting 2 properfiberoptictestprocedures FOTPs 3 zeroing orreferencingofpowerlevels 4 determiningthecorrectlinkbudgettopassorfailby Completeunderstandingofeachoftheseissuesiscriticalforperformingproperfiberoptictests Throughout this manual you will find various symbols that assist with understanding the ...

Page 4: ...asimplewaytomeasuretheattenuationofthefiber PatchCordTesting Fiberlinksthatareproducingincorrectresultsmayhavebadpatchcords TheZOOM2canbeusedtotestthe attenuationofapatchcordtoseeifitisusable orshouldbereplaced ThismanualdescribestheoperationoftheZOOM2opticalpowermeter ZOOMstandsforZeroedOutputOpticalMeter The ZOOM 2 is a very economical option for measuring the optical power of both multimode and...

Page 5: ...eplacedustcapsaftereachuse Connector if you have the optional Visual Fault Locator installed do NOTinsertAPC Angled Physical Contact connectors into the VFLportonyourZOOM2asthismaydamagetheangledferruleontheAPCconnector On the back of each ZOOM 2 series optical power meter is a label similar to the one shown below containing model number serial number power requirements and special cautionary info...

Page 6: ...rcapforLC Optional VFL Port As an option a Visual Fault Locator VFL can be installed SINGLE PRESS toggle between dBm dB and uW units HOLD setthereferencefortheselectedwavelength Backlit LCD Display shows optical power loss levels power units wavelength andbatterystatus SINGLE PRESS change wavelength BRIEF HOLD toggle backlightstatus LONGHOLD powerunitONorOFF UNITS ZERO 3 2 4 5 6 4 5 6 DETECTOR USB...

Page 7: ...lowingsteps 1or2 one meterpatchcable s ensureproperconnectortypeandfibertype Press to power on the ZOOM 2 optical power meter if necessary Connect the ZOOM 2 to the transmitter port on the active equipmentundertest asshownatright Determine the output wavelength of the active equipment then press untilthewavelengthontheZOOM2matches ReceivePowerMeasurement The ZOOM 2 may also be used to measure opti...

Page 8: ...velengthofthelightsource If none of the ports display an optical power reading then it is likely that there is a major connectivity problem with the link andfurthertroubleshootingisnecessarytodeterminethenatureoftheproblem Take the ZOOM 2 optical power meter to the opposite end of the link under test and connect into the first port If the ZOOM 2 does not detect any optical power the display will r...

Page 9: ... separately RequiredAccessories 3 one meterpatchcables ensureproperconnectortypeandfibertype Insert a patch cable under test between the two fiber optic adapters couplers thenrecordthelossvaluein dB PatchCableInsertionLoss Connect the ZOOM 2 to a fiber optic light source using the 3 jumper reference method as shown at right Power on the light sourceaccordingtomanufacturerinstructions Removethecent...

Page 10: ... at right STEP6 Check optical power The power reading that appears on the ZOOM 2 display will depend upon cable type Consult the table below for a list of acceptable power readings STEP7 Replace the patch cable NOTE the following steps are only required if the optical power reading on the ZOOM 2 is too low If the problem still exists after patch cable replacement there may be some debris such as d...

Page 11: ...t The power reading displayed on the ZOOM 2 will probably not be exactly 10 00 dBm as shown at right but should be fairly close STEP6 Check optical power Repeat this procedure for each additional patch cable that needs testing NOTE the following steps are only required if the optical power reading on the ZOOM 2 is 11 00 dBm or below STEP7 Replace the patch cable The easiest way to troubleshoot low...

Page 12: ...atch panel at each end of the link which allows technicianstousetheindustry recommended1 jumperreferencemethod PART4 takemeasurements EQUIPMENTPORTS BEFOREYOUBEGIN Figure1showstheportsusedduringthisprocedure Theseportsmayvarydependinguponthemodelofequipment Otherlinkconfigurationsmayrequiretheusertoadjusttheirtestprocedureaccordingly Universal detector port Ÿ 2 5mm SC ST FC Ÿ 1 25mm LC sold separa...

Page 13: ...F MODE CONTROLLER CABLE 62 5 125 0 7 mandrel 50 125 0 9 mandrel MATING SLEEVE Ž TEST CABLE PART 2 SET REFERENCE The ZOOM 2 display should change to show readings in dB and the power reading should be approximately 0 00dB Figure7 Thisindicatesthatthemeterandlightsourcehavebeensuccessfully zeroed at850nm NOTE If also testing at 1300nm connect the 1300nm reference cable to the ZOOM 2 set both units t...

Page 14: ...B FIGURE 8 Connect meter and source with reference cable FIGURE 9 Remove mating sleeve TEST CABLE Œ MATING SLEEVE Ž TEST CABLE Œ Œ Œ PART 4 TAKE READINGS TaketheDualOWLwithitsmandrel wrappedcable s tooneendofthelinkundertest andtaketheZOOM2anditscabletothe otherend Connect the ZOOM 2 and Dual OWL with the 850nm reference cabletothelinkundertest Figure10 Recordthereadingforthecurrentfiberundertest ...

Page 15: ...ment Otherlinkconfigurationsmayrequiretheusertoadjusttheirtestprocedureaccordingly PART3 checktheadditionalpowermetertestcable and BEFOREYOUBEGIN Note this procedure assumes the fiber cable under test is properly installed with a patch panel at each end of the link which allows technicianstousetheindustry recommended1 jumperreferencemethod PART4 takemeasurements Universal detector port Ÿ 2 5mm SC ...

Page 16: ...he 2 5mm adapter cap NOTE each light source port requires its own reference cable PART 2 SET REFERENCE NOTE eachlightsourceportrequiresitsownreferencecable Press topowerontheLaserOWL The1310nmindicatorLEDshouldbelitbydefault Pressandhold tosetthereferencefor1310nm ConnecttheZOOM2andLaserOWLtogetherusingasinglemodepatchcable Œ asshowninFigure5 Press topowerontheZOOM2 NOTE If also testing at 1550nm ...

Page 17: ...with reference cable FIGURE 9 Remove mating sleeve TEST CABLE Ž Œ MATING SLEEVE TEST CABLE Ž Œ Œ Œ PART 4 TAKE READINGS NOTE iftestingatboth1310nmand1550nm itisrecommended totestallofthefibersat1310nmfirst Repeat and for each fiber in the cable under test until all fibershavebeentested Disconnect the patch cables from both ends of the patch panel andmovetothenextportonthepatchpanel Then switch bot...

Page 18: ...econds ThiswilltoggletheVFLtothenextmode andthenautomaticallyreturntothe 850nm wavelength TheVFLportcanbeturnedofftwodifferentways TotoggletheVFLmode As an option a Visual Fault Locator VFL can be installed into the ZOOM 2 optical power meter in place of the charger port The VFL isaninvaluabletroubleshootingtoolwithtwoimportantuses Visual Fault Location Faults such as breaks or microbends can be l...

Page 19: ... to the VFL port as this could damage the angledferruleontheAPCconnector The optional VFLport in the ZOOM 2 VFLcan be used as a troubleshooting tool to determine if there are breaks micro bends or any other anomalies causing excessive loss within the first few feet of the fiber under test located in the splice tray The bright red laser injects high intensity red laser light into the near end conne...

Page 20: ...rightandcouldcausedamagetoyoureyeifvieweddirectly do NOT insert an APC Angled Physical Contact connector in to the VFL port as this could damage the angledferruleontheAPCconnector To assist with viewing of the light exiting the connector hold a piece of white paper in front of the connectors Thiswillsufficientlydiffusethelightforsafeviewing ConnecttheVFLporttothefiberundertest Itisrecommendedtouse...

Page 21: ...call262 473 0643withanyquestionsyoumayhaveabouttheuniversalport oranyotherofourfiberoptictestproducts UseofSCConnectorswith2 5mmUniversalPort Take extra care when inserting SC connectors into the 2 5mm universal port as the spring loading action of the SC connector may causeimproperinsertion CallOWLat 262 473 0643withanyquestions UniversalPort Additionally someconnectorsusea1 25mmferrule Theflexib...

Page 22: ...ERTING THE TOOTHPICK INTO THE DETECTOR PORT THERE IS A VERY THIN GLASS WINDOW THAT WILL EASILY BREAK WITH TOO MUCH PRESSURE Wetthecottontoothpicktipwiththeisopropylalcohol Using as little pressure as possible rotate the cotton toothpick tip in the detector port to clear away any dust or dirt that has accumulatedonthedetector D Jeweler sloupe 10xmagnificationrecommended E CompressedAir notshown Rem...

Page 23: ...ECTINGOPTICALPORTS IT IS ALSO HIGHLY RECOMMENDED TO USE AN LCD BASED FIBER INSPECTION SCOPE WHICH CAN INSPECT OPTICALPORTSANDFIBERENDFACESWITHOUTEXPOSINGTHEEYETOHARMFULOPTICALRADIATION Clean out the optical port according to the directions providedwiththeswabs WET CLEAN PROCEDURE Blow dry the optical port with the compressed air If compressed air is not available allow 2 minutes for thealcoholtoev...

Page 24: ... two appropriate red wavelengths i e 850 1300nmformultimodeor1310 1550nmforsinglemode Optical loss measurements can now be taken as normal by taking the ZOOM 2 and WaveSource to opposite ends of the fiber under test SETTINGUPAUTOMODEINTHEZOOM2TOPERFORMDUAL WAVELENGTHMEASUREMENTS NOTE donotdisconnectthepatchcablefromtheWaveSourceport If necessary press to set the WaveSource to the appropriate light...

Page 25: ...ning For accurate readings the optical connectors on the ZOOM 2 and the connectors on the patch cords should be cleaned priortoattachingthemtoeachother Minimizedustanddirtbuildupbyreplacingthedustcapsaftereachuse Warranty TheZOOM2comesstandardwithatwo yearfactorywarranty whichcoversmanufacturerdefectandworkmanshiponly Repair Repairofthisunitbyunauthorizedpersonnelisprohibited andwillvoidanywarrant...

Page 26: ... VisualFaultLocatorPortUpgrade The ZOOM 2 optical power meter may be upgraded to include an optional visual fault locator VFL useful for locating bends breaks andotheranomaliesinthenear endsplicetray aswellasvisualfiberidentificationupto5kmaway ...

Page 27: ...s Budget Determine System Gain Avg Transmitter Power Receiver Sensitivity Power Penalties Operating Margin Receiver Power Penalties Repair Margin Splices at 0 3dB each Determine Link Loss Budget System Gain Power Penalty Average Transmitter Power Receiver Sensitivity System Gain Operating Margin Receiver Power Penalties Repair Margin Total Power Penalty System Gain Total Power Penalty Total Link L...

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