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Optical Wavelength Laboratories

OPERATIONS GUIDE

ZOOM 2 OPTICAL POWER METER

Model Numbers:

ZO2

ZO2V

OWL-INC.COM

Revision 1.12

Optical Wavelength Laboratories (OWL)

N9623 West US Hwy 12

Whitewater, WI 53190

Phone: 262-473-0643

Internet: OWL-INC.COM

OWL

Summary of Contents for ZOOM 2 ZO2

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

Page 2: ...with a Dual OWL MM Light Source 8 Check MM Reference Cables with a WaveSource MM Light Source 9 Check SM Reference Cables with a Laser OWL SM Laser Source 10 Check SM Reference Cables with a WaveSource SM Laser Source 11 Quick Reference Guides ZOOM 2 Dual OWL MM Test Kit P N KIT Z2 D2xx 12 ZOOM 2 Laser OWL SM Test Kit P N KIT Z2 L2xx 17 Operation Maintenance Optional VFL Port 20 Visual Fault Locat...

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: ...passorfail ThismanualdescribestheoperationoftheZOOM2opticalpowermeter ZOOMstandsforZeroedOutputOpticalMeter The ZOOM 2 is a very economical option for measuring the optical power of both multimode and singlemode fibers The ZOOM 2 is NIST traceable and is calibrated 850 1300 1310 and 1550nm as well as 1490nm one of the key wavelengths used in FTTx PON networks Referencevaluesusedforopticallossreadi...

Page 5: ...nnectors into the VFLportonyourZOOM2asthismaydamagetheangledferruleontheAPCconnector NEVER 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 information If the unit is enclosed in its protective boot the boot must be removedtoviewthislabel PRODUCT LABEL MADE IN USA BATTERY ...

Page 6: ...luding ST SC and FC Also for an additional charge a 1 25mm universal cap is available for connection to LC MU andotherSFFconnectors LCD Display shows optical power loss levels power units wavelength andbatterystatus single press changes wavelength holding button powers the unitONorOFF singlepresstogglesthepowerunitsbetweendBm dB anduW holdingsetsthereferencefortheselectedwavelength DO NOT USE BATT...

Page 7: ...e average power level To calculate maximum output power add 3 dB to theaveragepowerlevel Some transmitters have a diagnostic mode where the output is continuously at its maximum power This eliminates the need to compensate 3dB for digital data transmission Consult the active equipment manufacturer soperationsguideformoreinformation ReceivePowerMeasurement The ZOOM 2 may also be used to measure opt...

Page 8: ...velengthofthelightsource 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 read LO Continue connecting to subsequent optical ports until the ZOOM2displayshowsanopticalpowerreading If none of the ports display an optical power reading then it is likely that there is a major ...

Page 9: ...ssary Press untilthewavelengthontheZOOM2matchestheoutputwavelengthofthelightsource Press and hold for approximately 2 seconds to set the reference The ZOOM 2 will change to show loss in dB and the lossvalueshouldbeverycloseto0 00dB Setting a reference is commonly referred to as zeroing Removethecentercableasshownatright Insert a patch cable under test between the two fiber optic adapters couplers ...

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 The easiest way to troubleshoot low power levels is to try another patch cable Over time patch cables can wear out or become damaged the more they are used for optical loss testing Replacin...

Page 11: ...t have been included with this kit Several cleaning cycles may be required If the power level is still too low even after a thorough cleaning and inspection and patch cable replacement contact OWL technical support at 262 473 0643 for more information NOTE the following steps are only required if the optical power reading on the ZOOM 2 is too low AUTO dBm 8 8 lo 850nm dBm 20 00 850nm Checking ZOOM...

Page 12: ... STEP6 Check optical power 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 Repeat this procedure for each additional patch cable that needs testing STEP7 Replace the patch cable The easiest way to troubleshoot low power levels is to try another patch cable Over time patch cables can wear out or become damaged the more th...

Page 13: ...ht STEP6 Check optical power 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 Repeat this procedure for each additional patch cable that needs testing STEP7 Replace the patch cable The easiest way to troubleshoot low power levels is to try another patch cable Over time patch cables can wear out or become damaged the more ...

Page 14: ...e wavelength will require its own mandrel wrappedpatchcable EquipmentPorts Figure2showstheportsusedduringthisprocedure Theseportsmayvarydependinguponthemodelofequipment QUICK REFERENCE GUIDES Optical Power Meter ZOOM 2 Fiber Optic Light Source DUAL OWL Series Multimode Sources PAGE 1 OF 5 12 Dual OWL multimode light source Detector ZOOM 2 optical power meter 850 nm 1300 nm FIGURE 2 Test Equipment ...

Page 15: ...sbeenverified removethefirstpatchcablefrombothunitsandsetitaside ConnectthepowermeterandlightsourcetogetherwiththesecondpatchcableasshowninFigure3 Compare the reading on the ZOOM 2 to Table 1 for acceptable power levels The patch cable should be replaced if it is belowtheacceptablepowerlevel QUICK REFERENCE GUIDES Optical Power Meter ZOOM 2 Fiber Optic Light Source DUAL OWL Series Multimode Source...

Page 16: ...ight source still connected as shown in Figure 4 press and hold button on the ZOOM 2 to setthereferencefor850nm TheZOOM2displayshouldchangetoshowreadingsin dB andthepowerreadingshouldbeapproximately0 00dB This meansthatthemeterandlightsourcehavebeensuccessfully zeroed at850nm If testing at 1300nm is also required connect a mandrel wrapped patch cable to the 1300nm port then perform through Otherwi...

Page 17: ...imesuntiltheZOOM2issetto850nm Recordthereadingforthecurrentfiberundertest Disconnectthepatchcablesfrombothendsofthepatchpanelandmovetothenextportonthepatchpanel Repeat and foreachfiberinthecableundertestuntilallfibershavebeentestedat850nm For testing 1300nm again connect to the first fiber under test except this time use the mandrel wrapped patch cable connectedtothe1300nmport UNITS ZERO QUICK REF...

Page 18: ...est Disconnectthepatchcablesfrombothendsofthepatchpanelandmovetothenextportonthepatchpanel Repeat and foreachfiberinthecableundertestuntilallfibershavebeentestedat1300nm end of procedure QUICK REFERENCE GUIDES Optical Power Meter ZOOM 2 Fiber Optic Light Source DUAL OWL Series Multimode Sources PAGE 5 OF 5 ...

Page 19: ...ure2showstheportsusedduringthisprocedure Theseportsmayvarydependinguponthemodelofequipment 17 QUICK REFERENCE GUIDES 50 125 µm 62 5 125 µm Diameter Wraps 0 9 in 0 7 in 5 5 Detector ZOOM 2 power meter 850 1300 nm FIGURE 2 Test Equipment Ports connector port on light source may vary Figure 1 Mandrel Wrap Optical Power Meter ZOOM 2 Fiber Optic Light Source WaveSource Series Multimode Source PAGE 1 of...

Page 20: ...powermeter Ifnecessary press severaltimesontheZOOM2untilthewavelengthissetto850nm Compare the reading on the ZOOM 2 to Table 1 for acceptable power levels The patch cable should be replaced if it is lowerthantheacceptablepowerlevel i e morenegative Onceproperoperationhasbeenverified removethefirstpatchcablefrombothunitsandsetitaside RED Core Size 62 5 125 µM 50 125 µM Replace at 21 00 dBm 24 00 dB...

Page 21: ...nected as shown in Figure 4 press and hold on the ZOOM 2 to set the referencefor850nm The ZOOM 2 display should change to show readings in dB and the power reading should be approximately 0 00 dB Thismeansthatthemeterandlightsourcehavebeensuccessfully zeroed at850nm Press ontheZOOM2tosetthepowermeterwavelengthto1300nm Press on the WaveSource to set the light source wavelength to 1300nm The indicat...

Page 22: ...estuntilallfibershavebeentestedat850nm Press ontheZOOM2oncetosetthewavelengthto1300nm Press ontheWaveSourceoncetosetthewavelengthisto1300nm the LEDwillnowbelit Recordthe1300nm dB lossvalueforthecurrentfiberundertest Disconnectbothpatchcablesfromthepatchpanelsandmovetothenextportonthepatchpanels Repeatsteps and foreachfiberinthecableundertestuntilallfibershavebeentestedat1300nm RED GREEN 1 2 3 4 5 ...

Page 23: ...sshowninFigure2 Press topowerontheLaserOWLsinglemodelasersource The1310nmportpowersonfirstbydefault Press topowerontheZOOM2opticalpowermeter 21 QUICK REFERENCE GUIDES FIGURE 1 Test Equipment Ports connector port on light source may vary Optical Power Meter ZOOM 2 Fiber Optic Light Source LASER OWL Series Singlemode Sources PAGE 1 OF 3 Detector ZOOM 2 power meter FIGURE 2 Verify Patch Cable SC conn...

Page 24: ...d Onceproperoperationhasbeenverified continueontothenextstep SetReference Settingareferenceiscommonlyreferredtoas zeroing With the power meter and light source still connected as shown in Figure 2 press and hold button on the ZOOM 2 to setthereferencefor1310nm TheZOOM2displayshouldchangetoshowreadingsin dB andthepowerreadingshouldbeapproximately0 00dB This meansthatthemeterandlightsourcehavebeensu...

Page 25: ...est except this time use the patch cable connected to the 1550nmport Press severaltimesuntiltheZOOM2issetto1550nm Recordthereadingforthecurrentfiberundertest Disconnectthepatchcablesfrombothendsofthepatchpanelandmovetothenextportonthepatchpanel Repeat and foreachfiberinthecableundertestuntilallfibershavebeentestedat1550nm end of procedure 23 QUICK REFERENCE GUIDES Optical Power Meter ZOOM 2 Fiber ...

Page 26: ...dindicatorLEDshouldbe PowerontheZOOM2 Press ontheZOOM2severaltimesuntilthewavelengthissetto1310nm TheZOOM2shouldshowapproximately 10 00dBm Ifthereadingisbelow 11 00dBm thepatchcableshouldbereplaced Onceproperoperationhasbeenverified removethefirstpatchcablefrombothunitsandsetitaside ConnectthepowermeterandlightsourcetogetherwiththesecondpatchcableasshowninFigure2 RED PORT FIGURE 1 Test Equipment P...

Page 27: ...dings in dB andwillbeapproximately0 00dB TAKEREADINGS RemovethepatchcablefromthedetectorportontheZOOM2 andbringbothunitstotheoppositeendsofthelinkundertest ConnecttheZOOM2andWaveSourcetothelinkundertestasshowninFigure3below Press ontheZOOM2severaltimesuntilthewavelengthissetto1310nm Press ontheWaveSourceoncetosetthewavelengthisto1310nm the LEDwillnowbelit Recordthe1310nm dB lossvalueforthecurrentf...

Page 28: ...est Disconnectbothpatchcablesfromthepatchpanelsandmovetothenextportonthepatchpanels Repeat and foreachfiberinthecableundertestuntilallfibershavebeentestedat1550nm green QUICK REFERENCE GUIDES Optical Power Meter ZOOM 2 Fiber Optic Light Source WaveSource Series Singlemode Source PAGE 3 of 3 FIGURE 3 Taking Readings LIGHT SOURCE CONNECTOR PORT NOTES CONNECTOR TYPE MAY VARY DO NOT INSERT ANGLED PHYS...

Page 29: ...lFaultLocator VFL Port There are three modes for the optional VFL port which toggle in the following order off continuous and flash The VFL will be off whenthepowermeterisfirstpoweredon TotoggletheVFLmode Press several times until VFL appears in the lower right hand corner of the display VFL will appearafter 1550nm While VFL is shown on the wavelength display do not press any buttons for approxima...

Page 30: ...watthepointoftheanomaly Followthestepsbelow ConnecttheVFLporttothefiberundertest Itisrecommendedtouseafiberpatchcableasshownbelowtoavoidhandling thefragilejacketedfiberinthesplicetray PowerontheVFL Seepage18forinstructionsonoperatingtheVFLport pticalfiberjacketsare colored itisdifficulttoseeredlightshining through so itisrecommendedtokeeptheroomlightataminimum do NOT insert an APC Angled Physical ...

Page 31: ...undertest Itisrecommendedtouseafiberpatchcableasshownbelowtoavoidhandling thefragilejacketedfiberinthesplicetray PowerontheVFL Seepage18forinstructionsonoperatingtheVFLport thelaserlightexitingthefiberisverybrightandcouldcausedamagetoyoureyeifvieweddirectly do NOT insert an APC Angled Physical Contact connector in to the VFL port as this could damage the angledferruleontheAPCconnector Inspectthefa...

Page 32: ...ement The battery compartment is covered by a sliding plate on the back of the unit Remove the rubber boot to expose the back of the unit One9vbatteryisrequiredforoperation DO NOT USE BATTERY CHARGING PORT WITH NON RECHARGEABLE BATTERIES THERE IS THE POTENTIAL FOREXPLOSIONANDDAMAGEMAYOCCURTOTHEUNITAND ORTHEUSER 30 OPERATION MAINTENANCE BOOT REMOVAL REPLACING THE BATTERY ...

Page 33: ... of this you can be assured that the connection will always produce an accurate reading as longasitisinsertedcompletelyintotheport seethediagrambelow Additionally someconnectorsusea1 25mmferrule TheflexibleuniversalportsystemontheZOOM2allowstheusertoremovethe 2 5mm adapter and place a 1 25mm adapter which can be purchased separately as an option for connection to LC MU and other SFFconnectorswhich...

Page 34: ...tle pressure as possible rotate the cotton toothpick tip in the detector port to clear away any dust or dirt that has accumulatedonthedetector Usinglightpressurefromthecompressedair blowoutthedetectorport Usethejewelersloupetoinspectthedetectorendface If dust or dirt are still present repeat steps until the detector port is free of debris Ifnodustordirtisfound replacetheadaptercaponthedetectorport...

Page 35: ...ECTINGOPTICALPORTS IT IS ALSO HIGHLY RECOMMENDED TO USE AN LCD BASED FIBER INSPECTION SCOPE WHICH CAN INSPECT OPTICALPORTSANDFIBERENDFACESWITHOUTEXPOSINGTHEEYETOHARMFULOPTICALRADIATION 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 providedwiththesw...

Page 36: ...egins flashing then immediately release thebutton Once the WaveSource has been successfully set toAUTO mode the appropriate indicator LED will begin alternating between and and solid and flashing Also the wavelength display on the ZOOM 2 will begin alternating between the two appropriate wavelengths i e 850 1300nmformultimodeor1310 1550nmforsinglemode Optical loss measurements can now be taken as ...

Page 37: ...2 ships with one 9 volt alkaline non rechargeable battery The battery compartment is covered by aslidingplateonthebackoftheunit Removetherubberboottoexposethebackoftheunit One9vbatteryisrequiredforoperation Cleaning For accurate readings the optical connectors on the ZOOM 2 and the connectors on the patch cords should be cleaned priortoattachingthemtoeachother Minimizedustanddirtbuildupbyreplacing...

Page 38: ...he ZOOM 2 optical power meter may be upgraded to include an optional visual fault locator VFL useful for locating bends breaks andotheranomaliesinthenear endsplicetray aswellasvisualfiberidentificationupto5kmaway UpgradingtoaVFLportrequiresthechargerporttoberemovedfromtheunit ...

Page 39: ...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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