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QUICK REFERENCE GUIDES

Required Accessories

(2-3) one-meter patch cables – ensure proper connector type and fiber type

if you are testing at both 1310nm and 1550nm, each light source wavelength will require its own patch

cable.

Equipment Ports

Figure 1 shows the ports used during this procedure. These ports may vary depending upon the model of equipment.

Verify Proper Operation of the Equipment

Connect the power meter and light source together with the first patch cable as shown in Figure 2.

Press

to power on the Laser OWL singlemode laser source. The 1310nm port powers on first by default.

Press

to power on the WaveTester optical power meter.

Detector

WaveTester power meter

FIGURE 1

Test Equipment Ports

(connector port on

light source may vary)

21

Optical Power Meter:

WAVETESTER

Fiber Optic Light Source:

LASER OWL Series Singlemode Sources

PAGE 1 OF 3

1310 nm

1550 nm

Laser OWL singlemode

laser source

FIGURE 2

Verify
Patch

Cable

SC connectors shown here;
connector style may vary

LIGHT SOURCE CONNECTOR

PORT NOTES:

– CONNECTOR TYPE MAY VARY
– DO NOT INSERT ANGLED

PHYSICAL CONTACT (APC)
CONNECTOR

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Содержание WT-1

Страница 1: ...l 18 2019 Optical Wavelength Laboratories OWL N9623 West US Hwy 12 Whitewater WI 53190 Phone 262 473 0643 Internet OWL INC COM Optical Wavelength Laboratories OPERATIONS GUIDE WAVETESTER OPTICAL POWER METER Model Numbers WT 1 WT 1V ...

Страница 2: ...r OWL SM Test Kits 21 WaveTester WaveSource SM Test Kits 24 OWL Reporter Installing OWL Reporter 27 Installing the OWL USB Driver 29 Downloading Data to a PC 31 Interpreting OWL Reporter Screens and Reports 38 Operation Maintenance WaveTester Data Storage Error Codes 44 Clearing Data from WaveTester Memory 44 PC Based Meter Control 45 Optional VFL Port 46 Visual Fault Location 47 Visual Fiber Iden...

Страница 3: ...s vary from other types of test equipment due to issues such as 1 standards based testing 2 proper fiber optic test procedures FOTPs 3 zeroing or referencing of power levels 4 determining the correct link budget to pass or fail by Complete understanding of each of these issues is critical for performing proper fiber optic tests Throughout this manual you will find various symbols that assist with ...

Страница 4: ...ference value determines if the installation will pass or fail Up to 200 fiber measurements may be stored for later download into OWLReporter software This manual describes the operation of the WaveTester optical power meter The WaveTester is a very economical option for measuring the optical power of both multimode and singlemode fibers The WaveTester is NIST traceable and is calibrated 850 1300 ...

Страница 5: ...VER On the back of each WaveTester 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 removed to view this label PRODUCT LABEL Optical Wavelength Laboratories Whitewater WI 53190 262 473 0643 MODEL WT 1 SERIAL WT11019 POWER 5V...

Страница 6: ...VFL can be PRESS saves the current measurements HOLD download data to terminal program such as Hyperterminal While powered off PRESS power on While powered on PRESS backlight on off if optional VFLis installed also PRESS VFLon continuous backlight turns off PRESS VFLflashes PRESS VFLOFF HOLD power off PRESS changes the measurement wavelength HOLD enable AUTO mode for auto wavelength switching when...

Страница 7: ... this case estimate the average power level To calculate maximum output power add 3 dB to the average power level 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 s operations guide for more information Receive Power Measurement The WaveTe...

Страница 8: ...r if necessary Press until the wavelength on the WaveTester matches the output wavelength of the light source Take the WaveTester optical power meter to the opposite end of the link under test and connect into the first port If the WaveTester does not detect any optical power the display will read LO Continue connecting to subsequent optical ports until the WaveTester display shows an optical powe...

Страница 9: ...ght Power on the light source according to manufacturer instructions Press to power on the WaveTester optical power meter if necessary Press until the wavelength on the WaveTester matches the output wavelength of the light source Press and hold for approximately 2 seconds to set the reference The WaveTester will change to show loss in dB and the loss value should be very close to 0 00 dB Setting a...

Страница 10: ...eck optical power The power reading that appears on the WaveTester 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 Replacing the patch ca...

Страница 11: ...the fiber connector endfaces according to the brochures that 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 NOTE the following steps are only required if the optical power reading on the WaveTester is too low AUTO dBm 8 8 lo 850nm dBm 20 00 850nm Checking WaveTester Series Optical Power Meters for Proper O...

Страница 12: ... the Laser OWL The 1310nm indicator LED should now be lit as shown at right STEP 6 Check optical power The power reading displayed on the WaveTester 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 anoth...

Страница 13: ...aveSource The 1310nm indicator LED should now be lit as shown at right STEP 6 Check optical power The power reading displayed on the WaveTester 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 pa...

Страница 14: ...th 850nm and 1300nm each light source wavelength will require its own mandrel wrapped patch cable Equipment Ports Figure 2 shows the ports used during this procedure These ports may vary depending upon the model of equipment Optical Power Meter WAVETESTER Fiber Optic Light Source DUAL OWL Series Multimode Sources PAGE 1 OF 5 50 125 µm 62 5 125 µm Diameter Wraps 0 9 in 0 7 in 5 5 Figure 1 Mandrel W...

Страница 15: ...ed remove the first patch cable from both units and set it aside Connect the power meter and light source together with the second patch cable as shown in Figure 3 Compare the reading on the WaveTester to Table 1 for acceptable power levels The patch cable should be replaced if it is below the acceptable power level Once proper operation has been verified remove the second patch cable from both un...

Страница 16: ...t the reference for 850nm The WaveTester display should change to show readings in dB and the power reading should be approximately 0 00 dB This means that the meter and light source have been successfully zeroed at 850nm If testing at 1300nm is also required connect a mandrel wrapped patch cable to the 1300nm port then UNITS ZERO QUICK REFERENCE GUIDES 14 Optical Power Meter WAVETESTER Fiber Opti...

Страница 17: ...eTester is set to 850nm Press on the Dual OWLto set the Dual OWLto 850nm if necessary Press to store the optical power measurement in the WaveTester The stored fiber number will increment by 1 Disconnect the patch cables from both ends of the patch panel and move to the next port on the patch panel Repeat and for each fiber in the cable under test until all fibers have been tested at 850nm For tes...

Страница 18: ...umber on the WaveTester will increment by 1 Disconnect the patch cables from both ends of the patch panel and move to the next port on the patch panel Repeat and for each fiber in the cable under test until all fibers have been tested at 1300nm end of procedure AUTO SAVE 16 Optical Power Meter WAVETESTER Fiber Optic Light Source DUAL OWL Series Multimode Sources PAGE 5 OF 5 ...

Страница 19: ...el wrap Equipment Ports Figure 2 shows the ports used during this procedure These ports may vary depending upon the model of equipment continued on next page Optical Power Meter WAVETESTER Fiber Optic Light Source WAVESOURCE Series Multimode Sources PAGE 1 OF 4 50 125 µm 62 5 125 µm Diameter Wraps 0 9 in 0 7 in 5 5 Detector WaveTester power meter FIGURE 2 Test Equipment Ports connector port on lig...

Страница 20: ...er levels The patch cable should be replaced if it is below the acceptable power level Once proper operation has been verified remove the first patch cable from both units and set it aside AUTO QUICK REFERENCE GUIDES 18 Core Size 62 5 125 µM 50 125 µM Replace at 21 00 dBm 24 00 dBm Acceptable Power Level 19 0 to 21 0 dBm 22 0 to 24 0 dBm TABLE 1 Optical Power Meter WAVETESTER Fiber Optic Light Sou...

Страница 21: ...icator LED on the WaveSource will begin alternating between the colors and which indicates that the output wavelengths are automatically switching The WaveTester will automatically sense the wavelength switching and will co ordinate with the WaveSource Press and hold on the WaveTester to set the reference for both wavelengths simultaneously After the references have been set do NOT press on either...

Страница 22: ...mber on the WaveTester will increment by 2 Disconnect the patch cables from both ends of the patch panel and move to the next port on the patch panel Repeat and for each fiber in the cable under test until all fibers have been tested end of procedure SAVE QUICK REFERENCE GUIDES 20 Optical Power Meter WAVETESTER Fiber Optic Light Source WAVESOURCE Series Multimode Sources PAGE 4 OF 4 1 2 3 4 5 6 7 ...

Страница 23: ...th the first patch cable as shown in Figure 2 Press to power on the Laser OWLsinglemode laser source The 1310nm port powers on first by default Press to power on the WaveTester optical power meter Detector WaveTester power meter FIGURE 1 Test Equipment Ports connector port on light source may vary 21 Optical Power Meter WAVETESTER Fiber Optic Light Source LASER OWL Series Singlemode Sources PAGE 1...

Страница 24: ... proper operation has been verified continue on to the next step Set Reference Setting a reference is commonly referred to as zeroing With the power meter and light source still connected as shown in Figure 2 press and hold on the WaveTester to set the reference for 1310nm The WaveTester display should change to show readings in dB and the power reading should be approximately 0 00 dB This means t...

Страница 25: ...rst fiber under test except this time use the patch cable connected to the 1550nm port Press several times until the WaveTester is set to 1550nm Press on the Laser OWLto set the Laser OWLto 1550nm Press to store the optical power measurement in the WaveTester The fiber number on the WaveTester will increment by 1 Disconnect the patch cables from both ends of the patch panel and move to the next po...

Страница 26: ...glemode laser source Press to switch the WaveSource to the SM PORT The right hand indicator LED should be the color red PORT QUICK REFERENCE GUIDES 24 Optical Power Meter WAVETESTER Fiber Optic Light Source WAVESOURCE Series Singlemode Sources PAGE 1 OF 3 FIGURE 1 Test Equipment Ports connector port on light source may vary Detector WaveTester power meter 1310 1550 nm WaveSource singlemode light s...

Страница 27: ... on the WaveTester to set it into AUTO mode The WaveTester display should change to show readings in dB Press and hold on the WaveSource until you see the indicator LED begin flashing then immediately release the button The right hand indicator LED on the WaveSource will begin alternating between the colors and which indicates that the output wavelengths are automatically switching The WaveTester ...

Страница 28: ...r on the WaveTester will increment by 2 Disconnect the patch cables from both ends of the patch panel and move to the next port on the patch panel Repeat steps and for each fiber in the cable under test until all fibers have been tested end of procedure SAVE 26 QUICK REFERENCE GUIDES Optical Power Meter WAVETESTER Fiber Optic Light Source WAVESOURCE Series Singlemode Sources PAGE 3 OF 3 FIGURE 3 T...

Страница 29: ...ow the instructions below Insert the OWLCD into your CD ROM drive When the CD Installation panel appears on your screen click the Install OWLReporter button Click Next on the Welcome to the OWLReporter Software Setup Wizard dialog box Click Next on the Choose Components dialog box Click Next on the Choose Install Location dialog box 27 ...

Страница 30: ...Install Choose Start Menu Folder to begin the OWL Reporter installation Click on the dialog box Once the OWLReporter installation has completed click Finish on the Completing the OWLReporter Software Setup Wizard dialog box end of procedure 28 ...

Страница 31: ... Install button on the OWLUSB to UART Bridge Driver Installer dialog box Click the ContinueAnyway button on the Software Installation dialog box Once the software installation is complete click Yes to reboot the computer Connect the WaveTester optical power meter to a USB port on the PC using the supplied USB download cable The computer will automatically detect the WaveTester If Windows asks you ...

Страница 32: ...radio button labeled Install the software automatically Recommended then click Next to continue Click the ContinueAnyway button on the Software Installation dialog box Once the drivers have been completely installed click the Finish button end of procedure 30 ...

Страница 33: ...ester to one of the USB ports on the PC using the supplied USB cable NOTE to avoid USB driver conflicts the OWLUSB driver must be installed before connecting the WaveTester to the PC Start OWLReporter The default location for the OWLReporter shortcut is Start Programs OWL OWLReporter Begin the download by clicking the Download icon as shown at right or the Download menu option lick the down arrow ...

Страница 34: ...and fiber types that the standard supports appear in the boxes on the right Click Next to continue View the list of available fiber types The list will appear when the down arrow is clicked Select the fiber type from the list The selected fiber type should match the type of fiber of the link under test 32 ...

Страница 35: ...f the fiber link under test This length will apply to all of the data points downloaded from the WaveTester Type the length in the input box and select the length units at the right Once the fiber link length and the length units are entered click Next to continue 33 OWL REPORTER DOWNLOADING DATA TO A PC cont ...

Страница 36: ...ctors use mechanical splice technology for termination If the link under test is terminated with these no polish no epoxy type connectors they should be considered as mechanical splices Once the number of connections and splices have been entered click Next to continue Select the company name from the drop down list If it is not listed click the New Organization button 34 OWL REPORTER DOWNLOADING ...

Страница 37: ... number into the input boxes Once the organization s name and telephone number have been entered click OK to continue The organization name should now appear in the drop down box Click Next to continue 35 OWL REPORTER DOWNLOADING DATA TO A PC cont ...

Страница 38: ...l View press the button that looks like an arrow highlighted at the right After you press this button the view will change to look like the screen shot at the right By default Circuit Results Summary shows the Link ID each stored data point and whether the test passed or failed The circuit summary results may be viewed in three different ways Pass Fail Optical Loss and Overhead Toggle the view by ...

Страница 39: ...s the name of the fiber that was tested P F shows whether the test passed or failed against the chosen cabling standard O H shown in dB shows the amount of Overhead in the link or the amount of loss the link can sustain before it will reach a Fail result Loss shown in dB shows the actual amount of loss measured through the link If you are interested in creating a PDF file of your printouts there i...

Страница 40: ...IA 568 and the ISO IEC 11801 Units dB per connection Calculation Number of interconnections x dB loss per connection Link Under Test Patch Cable to active equipment The following list of terms appear on the OWLReporter software screen and or printed report Connector Loss Fiber Loss Light Source Reference Power Measured Power Operating Margin Optical Loss Pass Fail Splice Loss System Overhead Syste...

Страница 41: ...ce by the power meter during the setting of the optical reference Light Source Reference Power is used as a reference or starting point on which a standards based optical reference is set Units dBm Calculation none Light Source Reference Power is measured via a single patch cord of the appropriate type OWL REPORTER INTERPRETING OWL REPORTER SCREENS AND REPORTS cont Patch Panel Patch Panel Link Und...

Страница 42: ...inted circuit detail reports Definition the difference between the Measured Power and the System Reference Power also known as headroom expressed as a percentage Units percentage Calculation none Total Allowable System Loss Light Source Reference Power dBm INVALID OPERATING MARGIN Minimum Required Power dBm Measured Power dBm PASS Optical Loss FAIL OPERATING MARGIN or SYSTEM OVERHEAD Total Allowab...

Страница 43: ...system rather than LOSS This condition usually occurs when the reference was set up incorrectly The correct sequence of steps to set a reference follow 1 MULTIMODE ONLY wrap the reference cable seven 7 times around a 0 7 mandrel 0 7 for 62 5um and 0 9 for 50um and secure 2 Connect the ends of the reference cable to the power meter detector port and the appropriate light source port 3 Power ON and ...

Страница 44: ...ired Power System Overhead is also known as headroom With a PASS rating System Overhead shows how much additional loss a link can bear before it will fail With a FAIL rating System Overhead shows how much optical loss must be overcome before it will pass Units dB Calculation Measured Power Minimum Required Power Patch Panel Link Under Test Patch Panel Splice some connectors splice technology for f...

Страница 45: ...ents of the link i e Fiber Loss Connection Loss and Splice Loss TotalAllowable System Loss is also known as a Link Budget For generic cabling standards such as the TIA568 or the ISO IEC 11801 link budgets are calculated based upon the actual configuration of the link under test Some standards e g various Ethernets have pre defined link budget loss values based upon the upper limits of the link con...

Страница 46: ...the wavelengths associated with the selected fiber type 850 and 1300nm for MM 1310 and 1550nm for SM This error will only occur when the WaveTester power meter and WaveSource light source are both in AUTO mode and only occurs during data storage or setting reference HZ This error code will appear when the user attempts to store data and the meter is NOT in AUTO mode but is receiving a modulated to...

Страница 47: ...d wavelength and power level information to the serial port This data will appear in the terminal window Monitor mode is useful for checking the stability and power level of a source over a long period of time Most terminal programs have a data capture function Data captured this way can be imported as a comma delimited file into a spreadsheet for creating a chart Key U Function Units set Descript...

Страница 48: ...ault Visual Fiber Identification Optical fibers can be visually identified by connecting the VFL port to the fiber under test then inspecting the far end for red light exiting the fiber connector Operation of the Optional Visual Fault Locator VFL Port There are three modes for the optional VFL port off continuous and flash The VFL will be off when the power meter is first powered on To toggle the ...

Страница 49: ...f the anomaly Follow the steps below Connect the VFL port to the fiber under test It is recommended to use a fiber patch cable as shown below to avoid handling the fragile jacketed fiber in the splice tray Power on the VFL See page 46 for instructions on operating the VFLport ptical fiber jackets are colored it is difficult to see red light shining through so it is recommended to keep the room lig...

Страница 50: ...test It is recommended to use a fiber patch cable as shown below to avoid handling the fragile jacketed fiber in the splice tray Power on the VFL See page 46 for instructions on operating the VFLport the laser light exiting the fiber is very bright and could cause damage to your eye if viewed directly do NOT insert an APC Angled Physical Contact connector in to the VFL port as this could damage th...

Страница 51: ...you can be assured that the connection will always produce an accurate reading as long as it is inserted completely into the port see the diagram below Additionally some connectors use a 1 25mm ferrule The flexible universal port system on the WaveTester allows the user to remove the 2 5mm adapter and place a 1 25mm adapter included with each WaveTester for connection to LC MU and other SFF connec...

Страница 52: ...p into the detector port Using as little pressure as possible rotate the cotton toothpick tip in the detector port to clear away any dust or dirt that has accumulated on the detector Using light pressure from the compressed air blow out the detector port Use the jewelers loupe to inspect the detector end face If dust or dirt are still present repeat steps until the detector port is free of debris ...

Страница 53: ... TO USE AN LCD BASED FIBER INSPECTION SCOPE WHICH CAN INSPECT OPTICAL PORTS AND FIBER ENDFACES WITHOUT EXPOSING THE EYE TO HARMFUL OPTICAL RADIATION OPERATION MAINTENANCE CLEANING THE OPTIONAL VFL 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 ...

Страница 54: ...r Port Upgrade The WaveTester optical power meter may be upgraded to include an optional visual fault locator VFL useful for locating bends breaks and other anomalies in the near end splice tray as well as visual fiber identification up to 5km away Upgrading to a VFLport requires the charger port to be removed from the unit OPTIONAL UPGRADE INFORMATION 52 1 Bold wavelengths are NIST Traceable Conf...

Страница 55: ...ype and modal bandwidth If these specifications are unknown contact the optical fiber manufacturer for more details IEEE Standard Name Fiber OWL Link Wizard Name 10GBASE S Wavelength Loss dB Modal Bandwidth Maximum Distance m 10GBASE S 10GBASE S 10GBASE S 10GBASE S 10GBASE LX4 10GBASE LX4 10GBASE LX4 10GBASE LX4 10GBASE LX4 10GBASE L 10GBASE E Fiber Type 62 5 125 multimode 62 5 125 multimode 62 5 ...

Страница 56: ... 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 Loss Budget dBm 9 dBm 10 BER dB dB ...

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