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Grandway FHO1500, User Manual, Page: 8 / 28

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3.5 Rear panel description

Name

Function

OTDR information

Display the factory information of the device, including device name,
product model, production date, Bluetooth Mac, serial number, etc

3.6 Packing list

1、OTDR main unit

2、Carrying bag

3、USB charging cord

4、Charging adapter

5、User manual

6、Test report

Summary of Contents for FHO1500

Page 1: ...1 FHO1500 Last Mile Explorer User Manual Document Version 1 0 0 Issue Date 2021 03 03 Shanghai Grandway Telocom Tech Co LTD...

Page 2: ...Mobile phone software 4 3 Product description 5 4 OTDR 10 5 Visual fault locator module 22 6 Stable laser source module 23 7 Optical power meter module 23 8 RJ45 cable test module 24 9 System informa...

Page 3: ...the correct power supply Before connecting the power line please make sure that the power supply voltage is the rated voltage of the charging adapter and the maximum voltage should be less than the r...

Page 4: ...e of OTDR can be quickly transmitted to the mobile phone through the FHO1500 software and the OTDR can also be controlled by the mobile phone for testing The analysis of the OTDR curve on the mobile p...

Page 5: ...is long which is suitable for long time field operation The instrument is widely used in the detection of fiber loss and fiber fault location in engineering construction and maintenance Main functions...

Page 6: ...192 9 93 8 47mm 3 3 Keypad description Name Function F1 F4 Enter the corresponding menu TEST Used for OTDR average test and real time test Enlarge button Used to enlarge the OTDR curve Navigation but...

Page 7: ...For installing SD card RJ45 interface Used for IP testing such as PING testing and firmware upgrade Bottom interface Name Function USB interface Type C charging interface RJ45 interface Remote module...

Page 8: ...rmation Display the factory information of the device including device name product model production date Bluetooth Mac serial number etc 3 6 Packing list 1 OTDR main unit 2 Carrying bag 3 USB chargin...

Page 9: ...Stable laser source Enter the corresponding stable laser source function menu Optical power meter Enter the corresponding optical power meter function menu Include the 10G PON 1490nm 1577nm power met...

Page 10: ...e length The information related to length is obtained through time i e the origin of time domain in OTDR These backscattered signals indicate the degree of attenuation loss distance caused by the fib...

Page 11: ...reflection event It is displayed as a drop with no peak on a trace Event detection OTDR launches a bunch of optical pulse into a under test fiber receives the returned optical signal and starts calcu...

Page 12: ...es are the higher the reflection peak is For an instance if a broken optical line is under test the OTDR trace will show a broken point After a maintenance of this line use the OTDR test it again we m...

Page 13: ...ue it does not means the loss does not exist It is common phenomenon called pseudo gain it is by a connection of two fibers with different back scatter coefficient the scatter coefficient of the back...

Page 14: ...R test is about 1 5 2 times of the actual test fiber length It can only be modified in manual measurement mode The default value is automatic configuration in automatic mode Selection of test distance...

Page 15: ...time In average test mode the longer the detection time is the better the signal to noise ratio is and the more accurate the test result is Users should choose the test time reasonably Test time selec...

Page 16: ...ime OTDR will continuously emit pulse light for real time test 4 3 2 View event list After selecting the test mode and parameters press the Test key to enter the corresponding test interface At the en...

Page 17: ...aton event or reflection event E is the end event and G is the ghost event 3 Distance km The distance from the event point to the starting point 4 Loss dB Loss value of the event point dB 5 Attenuatio...

Page 18: ...coordinate information of cursor B and the segment information of optical fiber between A and B including the optical fiber distance optical fiber loss and optical fiber slope between A and B The dis...

Page 19: ...om Step 2 Operate the keyboard It can enlarge the curve and operate the keyboard The curve can be smaller Step 3 Click F2 again and zoom A will be displayed at this time indicating that the zoom opera...

Page 20: ...the simple mode and then click F3 to return to the OTDR chart interface At the top of the simple mode three key information will be displayed the total length of the optical fiber link the total loss...

Page 21: ...will be automatically saved in the folder in the file menu 3 5 2 Read Delete Rename test curve Open the test folder select the test file to be opened by clicking and click F1 to open the test curve Cl...

Page 22: ...22 5 Visual fault locator module The FHO1500 is equipped with a 10mw VFL module 650nm for fiber finder and find close fiber breakpoints VFL port VFL turn off screen VFL turn on screen 1625nm...

Page 23: ...ical power meter The output wavelength can be switched between 1310nm and 1550nm LS OFF LS ON CW mode LS ON 270Hz mode OPEN Turn on the stable laser source function CLOSE Turn off the stable laser sou...

Page 24: ...1650nm In addition to the ordinary optical power meter it also supports the measurement of downstream 1490nm and 1577nm wavelength in 10G PON network 8 RJ45 cable test module FHO1500 is equipped with...

Page 25: ...he system information interface and the following basic settings can be made for the machine Automatic shutdown function OFF 5 minutes 10 minutes 30 minutes Brightness selection Dark light 25 brightne...

Page 26: ...26 System reset restore factory settings Software system information Upgrade Download the upgrade firmware to the OTDR SD card Click F3 button to upgrade Please connect the power when upgrading...

Page 27: ...o the instructions may result in dangerous laser injuries Disable laser launching before cleaning When the instrument is in operation please always avoid looking directly into optic output Although la...

Page 28: ...w one Measuring graphic only has front end reflection 1 Connector loose polluted damaged or unmatched 2 Locating pin has broken 1 Clean and reconnect 2 Change a new adapter Find Ghost 1 Often happened...

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