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OPTOKON OFT-850 Instruction Manual

Loss test set
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OFT-850
Loss Test Set
INSTRUCTION MANUAL
Revision 1.0
is registered trademark of OPTOKON, a.s. Other names and trademarks 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

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Summary of Contents for OPTOKON OFT-850

  • Page 1 Loss Test Set INSTRUCTION MANUAL Revision 1.0 is registered trademark of OPTOKON, a.s. Other names and trademarks 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...
  • Page 3 OFT-850 INSTRUCTION MANUAL is the registered trademark of OPTOKON, a.s. Other names and trademarks mentioned herein may be the trademarks of their respective owners All rights reserved. No parts of this work may be reproduced in any form or by any means - graphic, electronic, or mechanical, including photocopying, recording, taping or information storage and retrieval systems - without the written permission of the publisher.

  • Page 4: Table Of Contents

    OFT-850 INSTRUCTION MANUAL Contents Introduction ....................5 Features ....................... 5 Application ....................5 Accessories ....................6 Standard ........................6 Optional ........................6 Specifications ....................7 Safety information ..................8 Maintenance ....................9 Battery maintenance ....................9 Instrument maintenance ....................9 Optical connector type ....................

  • Page 5: Introduction

    OFT-850 INSTRUCTION MANUAL 1 Introduction The OFT-850 set consists of SMPTE SOURCE and SMPTE TESTER unit. The hybrid cable tester is designed for testing of loss in optical fibers and checking of continuity of copper pairs in hybrid cables. It combines optical light source on one side, optical power meter on other side and copper wires checker.

  • Page 6: Accessories

    OFT-850 INSTRUCTION MANUAL 4 Accessories 4.1 Standard • Power charging adaptor • USB connection cable • Carrying case 4.2 Optional • Reference patchcord...

  • Page 7: Specifications

    OFT-850 INSTRUCTION MANUAL 5 Specifications General specifications Note: Dimensions 145 x 145 x 56 mm without connectors Weight 400 g with battery Temperature operating -10 to +50 °C storage -40 to +70 °C Humidity (non condensing) 0 to 95% IP rating...

  • Page 8: Safety Information

    WARNING! The OFT-850 Power meter emits no optical power itself and does not create any hazards to the user. To ensure a high level of operator safety during installation, commissioning and...

  • Page 9: Maintenance

    • Charge the batteries fully before storing the tester for a long period. The batteries will lose its capacity during storage. • If you are not going to use the OFT-850 for long period, charge the batteries once every six months.

  • Page 10: Optical Connector Type

    OFT-850 INSTRUCTION MANUAL 7.3 Optical connector type Cleanliness will affect the performance of an optical fiber system. • All connectors and fiber end faces need to be clean prior to testing. • Clean all connectors, adapters, and attenuators before making any connections.
  • Page 11 OFT-850 INSTRUCTION MANUAL SMPTE source back view SMPTE tester front view...
  • Page 12 OFT-850 INSTRUCTION MANUAL SMPTE tester front view SMPTE top view...
  • Page 13 OFT-850 INSTRUCTION MANUAL...

  • Page 14: Menu #1

    OFT-850 INSTRUCTION MANUAL [ON/OFF] Press to turn the unit on. Long press to turn the unit on with backlight. Press to turn the unit off. After switching on, the type of device, serial number and firmware version will be displayed.

  • Page 15: Menu #2

    OFT-850 INSTRUCTION MANUAL 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: Menu #3

    OFT-850 INSTRUCTION MANUAL 8.1.3 Menu #3 [MEM] -start work with the internal memory -goes to menu #4 [LIMIT] -sets limit (dB) for measured fibers – -by using keys set limit, and confirm “OK” minimum value is 0.5 dB, maximum 25 dB, step 0.5 dB.

  • Page 17: Menu #4

    OFT-850 INSTRUCTION MANUAL 8.1.4 Menu #4 [UP], [DOWN], [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 OFT-850 INSTRUCTION MANUAL 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: Light Source

    OFT-850 INSTRUCTION MANUAL 8.2 Light source MANUAL -manual channels settings AUTO -automatic channels settings...

  • Page 20: Measuring Loss

    The test is based on measurement the power difference at the input and output of the link. One or two units OFT-850 are used for this test, where Light source port is acting as transmitter and Optical power meter port as receiver.
  • Page 21 OFT-850 INSTRUCTION MANUAL Important • All connectors and fiber end 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).

  • Page 22: Setting Up Data Transfer

    OFT-850 INSTRUCTION MANUAL 10 Setting up data transfer 1. Connect the OFT-850 to a PC using the USB cable provided 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.
  • Page 23 OFT-850 INSTRUCTION MANUAL 4. Choose the virtual serial port the OFT-850 is connected to, then click on OK OFT-850 5. Set “Bits per second” to 19200, then click on OK...
  • Page 24 OFT-850 INSTRUCTION MANUAL 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: stored values fiber wavelength position cable folder The data from this window can be easily copied to any other application.

  • Page 25: Power Loss And Decibels

    OFT-850 INSTRUCTION MANUAL 11 Power loss and decibels Loss (dB) % Loss Power (mW) 0.00001 0.0001 0.001 0.01 0.10 10.9 0.13 12.9 0.16 14.9 0.20 16.8 0.25 18.7 0.32 20.6 0.40 36.9 0.50 49.9 0.63 60.2 0.79 68.4 1.00 74.9 1.26...

  • Page 26: Notes

    OFT-850 INSTRUCTION MANUAL 12 Notes ................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 27: Calibration, Service Center

    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...

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