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OFT-850 INSTRUCTION MANUAL

 

24 

6.

 

Go to the menu in OFT-850

 

and push [MORE], [MEM], select [UPLOAD MEMORY], 

[OK]. 

 
The stored data will be transferred to the PC in this format: 

 

 

 
The data from this window can be easily copied to any other application. 

 

cable folder 

fiber 
position 

wavelength 

stored values 

Summary of Contents for OFT-850

Page 1: ...ks mentioned herein may be the trademarks of their respective owners OPTOKON a s Cerveny Kriz 250 586 01 Jihlava Czech Republic tel 420 564 040 111 fax 420 564 040 134 WWW OPTOKON COM INFO OPTOKON CZ 21 03 2019 OFT 850 Loss Test Set INSTRUCTION MANUAL Revision 1 0 ...

Page 2: ...2 ...

Page 3: ...demarks of the respective owners The publisher and the author make no claim to these trademarks While every precaution has been taken in the preparation of this document the publisher and the author assume no responsibility for errors or omissions or for damages resulting from the use of information contained in this document or from the use of programs and source code that may accompany it In no ...

Page 4: ...7 1 Battery maintenance 9 7 2 Instrument maintenance 9 7 3 Optical connector type 10 8 Instrument and button function description 10 8 1 General description 10 8 1 1 Menu 1 14 8 1 2 Menu 2 15 8 1 3 Menu 3 16 8 1 4 Menu 4 17 8 2 Light source 19 9 Measuring loss 20 9 1 Basic theory 20 10 Setting up data transfer 22 11 Power loss and decibels 25 12 Notes 26 13 Calibration service center 27 ...

Page 5: ... value or insertion loss The tester supports memory download and test report generating The Lithium rechargeable battery ensures long term working with minimal operation costs 2 Features Hybrid cables fiber optic testing and copper pairs checking Ruggedized aluminium case MM or SM applications Simultaneous testing of 2 fibers Manual operation alows individual fiber or wire check Auto operation mod...

Page 6: ...OFT 850 INSTRUCTION MANUAL 6 4 Accessories 4 1 Standard Power charging adaptor USB connection cable Carrying case 4 2 Optional Reference patchcord ...

Page 7: ...62 5 125 µm fiber typ value 1310 1490 1550 1625 nm 16 dBm typ value Stability 1 hour delta 2 tested after 20 min warm up temperature 23 1 850 nm 1300 nm 0 03 dB 1310 1490 1550 1625 nm 0 05 dB Power Meter Photodetector 1 mm InGaAs Working wavelengths MM 850 1300 nm SM 1310 1490 1550 1625 nm can be customized Dynamic range Standard 60 dBm to 10 dBm 53 dBm to 17 dBm 1300 1310 1490 1550 1625 nm 850 nm...

Page 8: ... ends unless you are certain that no optical power is being emitted Only use magnifying devices with a built in infra red filter to ensure safety During operation testing or maintenance of a fiber optic system never look into an active fiber optic cable Infrared radiation may be present and this can result in permanent eye damage Avoid direct exposure to the beam Do not activate the laser when the...

Page 9: ... going to use the OFT 850 for long period charge the batteries once every six months The batteries are a consumable Repeated charging and discharging decreases batteries lifetime To extend batteries lifetime it is recommended that batteries be completely drained before re charging battery refresh 7 2 Instrument maintenance During storage and transport keep the instrument in its carry case to prote...

Page 10: ... before making any connections Use appropriate optical cleaning supplies to keep connectors and adaptors free from contamination The following cleaning materials are recommended and should form part of your cleaning kit Lint free laboratory wipes Isopropyl alcohol in pressurized dispenser Lint free pipe cleaners Clean dry oil free compressed air 8 Instrument and button function description 8 1 Gen...

Page 11: ...OFT 850 INSTRUCTION MANUAL 11 SMPTE source back view SMPTE tester front view ...

Page 12: ...OFT 850 INSTRUCTION MANUAL 12 SMPTE tester front view SMPTE top view ...

Page 13: ...OFT 850 INSTRUCTION MANUAL 13 ...

Page 14: ... switching on the type of device serial number and firmware version will be displayed OFT 850 SMPTE TESTER S W 1 1 S N OFT850xxxx OFT 850 SMPTE SOURCE S W 1 1 S N OFT850xxxx 8 1 1 Menu 1 MENU starts menu goes to menu 3 LOSS activates the relative power measurement mode dB recalls the last set reference for selected wavelength goes to menu 2 ...

Page 15: ... 15 8 1 2 Menu 2 current limit HOME return unit into absolute power measurement mode dBm goes to menu 1 REFF sets and stores the new reference for the selected wavelength requires confirmation OK MENU starts menu goes to menu 3 ...

Page 16: ...m value is 0 5 dB maximum 25 dB step 0 5 dB for measuring without limit set OFF when the limit is set and unit is in relative power measurement mode the screen shows pass the loss is lower than the limit fail the loss is higher than the limit overpower indicates gain clean the connectors and make a reference again HOME return unit into absolute power measurement mode dBm goes to menu 1 ...

Page 17: ...N OK Use these buttons to select an appropriate submenu SAVE RESULT MEM selects the memory cell 0 1024 SAVE saves the result into the selected memory cell and exits the menu NOTE Memory cell number is automatically INCREMENTED BY 1 after save command ...

Page 18: ...MANUAL 18 LOAD RESULT MEM browses through memory cells UPLOAD MEMORY sends the whole content of the internal memory to a PC via USB ERASE MEMORY erases the whole internal memory HOME exit menu return to Power Meter screen ...

Page 19: ...OFT 850 INSTRUCTION MANUAL 19 8 2 Light source MANUAL manual channels settings AUTO automatic channels settings ...

Page 20: ... loss may be considered the loss of the connector mated to the reference connector Reversing the cable tests the connector on the other end of the cable Patchcords may also be tested both ends at once using the cable plant test method shown above Power measurement is the basis of optical testing and determines the power budget of the fiber optic link by comparing the power of the transmitter and t...

Page 21: ...faces should be cleaned prior to testing The master cord used to set the reference should be the same type as the patchcords cables to be tested MM 50 125 62 5 125 or SM It is very important that the connections are not disturbed after the reference value is established ...

Page 22: ...d and turn the OFT 850 on The PC will prompt you to install the drivers for new hardware Use the drivers provided by OPTOKON These drivers will create a virtual serial com port 2 Start the Hyper Terminal Start Programs Accessories Communication Hyper Terminal 3 Enter the name of a connection then click on OK OFT 850 ...

Page 23: ...OFT 850 INSTRUCTION MANUAL 23 4 Choose the virtual serial port the OFT 850 is connected to then click on OK 5 Set Bits per second to 19200 then click on OK OFT 850 ...

Page 24: ...menu in OFT 850 and push MORE MEM select UPLOAD MEMORY OK The stored data will be transferred to the PC in this format The data from this window can be easily copied to any other application cable folder fiber position wavelength stored values ...

Page 25: ... 0 001 0 3 6 7 20 0 01 0 4 8 8 10 0 10 0 5 10 9 9 0 13 0 6 12 9 8 0 16 0 7 14 9 7 0 20 0 8 16 8 6 0 25 0 9 18 7 5 0 32 1 20 6 4 0 40 2 36 9 3 0 50 3 49 9 2 0 63 4 60 2 1 0 79 5 68 4 0 1 00 6 74 9 1 1 26 7 80 0 3 2 00 8 84 2 5 3 16 9 87 7 7 5 01 10 90 0 10 10 00 12 93 7 12 15 84 15 96 8 15 31 62 20 99 0 17 50 12 30 99 9 20 100 00 ...

Page 26: ...OFT 850 INSTRUCTION MANUAL 26 12 Notes ...

Page 27: ...13 Calibration service center OPTOKON a s Červený Kříž 250 586 01 Jihlava Czech Republic tel 420 564 040 111 fax 420 564 040 134 optokon optokon com www optokon com ...

Page 28: ...OFT 850 INSTRUCTION MANUAL 28 ...

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