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Summary of Contents for OWL Fiber OWL IIC+
- Page 1 MANUFACTURER OF QUALITY OPTICAL FIBER TEST EQUIPMENT Fiber OWL II+ / Fiber OWL IIC+ Optical Power Meter Operations Manual Firmware Version 2.0 February 5, 2002 OWL Part# FO-2+, FO-2C+...
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Page 2: Table Of Contents
Unit 2 - Simple Meter Overview Operation Power ON Power Units Supported by the Fiber OWL Wavelengths Supported by the Fiber OWL “Zeroing” the Fiber OWL in Simple Meter Mode Monitor Mode Meter Configuration Menu Power OFF Unit 3 - Certification Meter Overview... -
Page 3: Preface
Checking Your Fiber OWL Firmware Version This manual is written for the Fiber OWL firmware version 2.00 and later. It is not valid for previously released Fiber OWL versions. Follow the instructions below to verify your firmware version. -
Page 4: Unit 1 Introduction
Fiber OWL on the other end. This is also a simple way to measure the attenuation of the fiber. Patch Cord Testing - Fiber links that are producing incorrect results may have bad patch cords. The Fiber OWL can be used to test the attenuation of a patch cord to see if it is usable, or should be thrown out. -
Page 5: General Features
Keyboard Entry Method Several screens in the Fiber OWL menu system require the user to enter some input, e.g. a fiber length measurement or a descriptive name for a fiber run. This feature allows the Fiber OWL to become more user-friendly. -
Page 6: Overview
Overview Simple Meter is a mode within the Fiber OWL that allows the user to quickly and easily display the attenuation of a fiber link. This mode is used when only the most basic functions are required: fiber loss measurement, optical power measurement, and fiber link monitoring. -
Page 7: Zeroing" The Fiber Owl In Simple Meter Mode
Power Units The Fiber OWL is capable of displaying power readings in three different units. The user may toggle through these units by pressing dBm (ABS) - This is an absolute (ABS) power measurement. It shows how much optical power is being received by the photodetector in decibels referenced to a milliwatt (dBm). -
Page 8: Monitor Mode
This option allows the user to configure the Fiber OWL with a light source wavelength that is not supported by the Fiber OWL. The custom wavelength must be between 700nm and 1700nm. NOTE: setting the custom wavelength temporarily overwrites 1480nm wavelength. -
Page 9: Overview
PASS/FAIL readings. The Fiber OWL is capable of certifying up to 900 data points with user-configurable fiber labels, and can certify eight separate fiber links against one of ten pre-defined standards or two user-defined standards. -
Page 10: Configure A User-Defined Standards
UNIT 3 CERTIFICATION METER Fiber Certification, cont. continue to step 5. Otherwise, highlight one of the user-defined standards and press to edit the chosen user-defined standard. CONFIGURE USER-DEFINED STANDARD --Selected wavelengths for user-defined standards are denoted by asterisks. Up to two wavelengths may be selected. NOTE: the same wavelength cannot be chosen twice. - Page 11 UNIT 3 CERTIFICATION METER Fiber Certification, cont. From this screen, the user is given to opportunity to change link characteristics in the case of input error. 11a) To change the fiber type or fiber length press . The user will be asked to repeat steps 6 and 7, and will be prompted to connect a light source as in step 10.
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Page 12: Store Data Points
24 fibers in each to be tested. You could name the first one PP-A, the second one PP-B, and the third one PP-C. There is no need to enter the fiber number (e.g. Fiber01, Fiber02, etc.) The Fiber OWL automatically appends a two-digit auto-incremented number to the end of the fiber label you enter. -
Page 13: Fiber Link Menu
UNIT 3 CERTIFICATION METER Store Data Points, cont. Press DONE to continue. FIBER LINK #2 NAME = FBR:00 TYPE = 62.5um MM The screen at right shows the pertinent information about the data point you are storing. dBm = -22.05 850nm _____________________ FIBER LINK #2 - the fiber link chosen during Link Wizard. -
Page 14: Stored Readings Menu
<3>ERASE READINGS <4>DOWNLOAD DATA The Fiber OWL can also manipulate this stored data without the use of OWL Reporter. Stored BYTES FREE = 1792 readings can be dumped out to the on-board serial port to a PC terminal program, or printed to a serial printer. -
Page 15: Manual Download
Connect the meter to your PC via the supplied download cable. Run OWL Reporter on your PC. NOTE: You must have OWL Reporter 2.0 or greater to download from this version of the Fiber OWL. Click the download button on the OWL Reporter software screen. -
Page 16: Meter Properties Menu
<6>TEST SERIAL PORT CUSTOM WAVELENGTH configure the Fiber OWL with a light source wavelength that is not supported by the Fiber OWL. The custom wavelength must be between 700nm and 1700nm. NOTE: setting the custom wavelength overwrites 1480nm wavelength. DEFAULT WAVELENGTH resets the default wavelength to 1480nm if a custom wavelength has been configured. -
Page 17: Unit 4 Appendices
Appendix A - Decibel Review Your Fiber OWL meter has a decibel(dB) range that spans 75dB. The whole purpose of your meter is to measure light energy in decibels. But what exactly is a decibel? It is not uncommon for a technician to be using an optical power meter and not understand what a decibel really is. -
Page 18: Appendix B - Dynamic Range Review
Now that you have a clearer understanding of the decibel, we can begin to study the dynamic range feature of the Fiber OWL. The dynamic range of the Fiber OWL is +5 to -70 dBm (or +25 to -70 dBm, but what exactly does this mean? Dynamic range is defined as the difference between the minimum and maximum power levels that a photodetector can reliably sense, and still maintain acceptable accuracy. - Page 19 UNIT 4 APPENDICES Appendix C - Glossary, cont. Bandwidth. The transmission capacity of a system. Buffering. 1. A protective material extruded directly on the fiber coating to protect the fiber from the environment (tight buffering). 2. Extruding a tube around the coated fiber to allow isolation of the fiber from stresses on the cable (loose buffered) Buffer Tubes.
- Page 20 UNIT 4 APPENDICES Appendix C - Glossary, cont. Equipment Room. A centralized space for telecommunications equipment that serves the occupants of the building. Equipment housed herein is considered distinct from a telecommunications closet because of its nature or complexity of the equipment.
- Page 21 UNIT 4 APPENDICES Appendix C - Glossary, cont. Multi-mode Fiber. A type of optical fiber that supports more than one propagating mode. Numeric Aperture (NA). The number that expresses the light-gathering ability of a fiber. Optical Time Domain Reflectometry (OTDR). A method of evaluating optical fibers based on detecting backscattered (reflected) light.
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Page 22: Appendix D - Fiber Owl Specifications
Over time, the meter may lose its accuracy. This is natural for equipment of this type due to the electronic components used. Re-calibration may be necessary to restore the meter to its original accuracy. Re-calibration is not covered under warranty, but is offered as a service. Call OWL at (262) 473-0643 for more details on our re-calibrations services. -
Page 23: Appendix F - Cleaning And Care Instructions
The Fiber OWL is a sensitive piece of scientific equipment. Great care should be taken when handling and cleaning it. HANDLING TIPS 1) Do NOT drop any piece of scientific equipment, e.g. the Fiber OWL. Damage may occur to the case or electronic components on the circuit board may become dislodged, and inaccuracy may occur. -
Page 24: Appendix G - Supplies
1550 OWL 1550nm Universal Single Mode Laser Light Source LO-1550U2.5 ADAPTERS U1.25 1.25mm Universal Adapter Appendix H - Supported Cabling Standards This version of Fiber OWL firmware supports the following fiber optic network cabling standards, and also supports 2 user- definable standards. EIA/TIA-568 CAN-T529 ISO/IEC 11801 1000Base-SX... -
Page 25: Appendix I - Link Budget Calculation Worksheet
UNIT 4 APPENDICES Appendix I - Link Budget Calculation Worksheet Operating Wavelength Fiber Type Passive Cable System Attenuation Fiber Loss at Operating Wavelength (Distance x Fiber Loss) Total Cable Distance Individual Fiber Loss (at operating wavelength) dB/km Total Fiber Loss Connector Loss (Connector Loss x Connector Pairs) Individual Connector Loss Number of Connector Pairs...
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