Harris OTM-20 Installation And Operation Handbook
OTM-20
Optical Test Meter
Installation and Operation Handbook
ONE-YEAR LIMITED WARRANTY
Videotek, Inc. warrants that this product is free from defects in materials and workmanship for a period of one year from the date
of purchase. During this warranty period, Videotek will, at its option, repair or replace defective products at no charge for the
parts or labor. Batteries are not covered in the warranty.
For warranty service or repair, this product must be returned to a service facility designated by Videotek in the original packing or
its equivalent. The purchaser shall insure the product and prepay shipping charges to Videotek, and Videotek shall insure the
product and pay shipping charges to return the product to the purchaser.
The foregoing warranty shall not apply to defects or damage resulting from improper or inadequate maintenance by the
purchaser, connecting the product to incompatible equipment, misuses, operation outside any environmental specification for the
product, improper site preparation or maintenance, or attempts by personnel other than authorized Videotek representatives to
repair or service the product.
No other warranty is expressed or implied. Videotek specifically disclaims the implied warranties of merchantability and fitness for
a particular purpose. The remedies provided by the foregoing warranty are the purchaser's sole and exclusive remedies.
Videotek shall not be liable for any direct, indirect, special, incidental or consequential damages, whether based on contract, tort,
or otherwise.
Printed February 2007
Item #261345 Rev. A
Copyright © 2006 - 2007 by Videotek, Inc.
All rights reserved.
Contents of this publication may not be reproduced in any form without permission of Videotek, Inc.
This instrument, in whole or in part, may be protected by one or more US or foreign patents or patent applications.
Specifications subject to change without notice.
___________________________________________________________________________________________________________
Videotek and the Videotek logo are registered trademarks of Videotek, Inc.
VIDEOTEK SOFTWARE LICENSE AND WARRANTY
The software which accompanies this license (the "Software") is the property of Videotek or its licensors and is
protected by copyright law. While Videotek continues to own the Software, you will have certain rights to use the
Software after your acceptance of this license. Except as may be modified by a license addendum which accompanies
this license, your rights and obligations with respect to the use of this Software are as follows:
• You may not:
i. Sublicense, rent, or lease any portion of the Software; or
ii. Reverse engineer, decompile, disassemble, modify, translate, make any attempt to discover the source code
• Limited Warranty:
Videotek warrants that the media on which the Software is distributed will be free from defects for a period of sixty (60)
days from the date of delivery of the Software to you. Your sole remedy in the event of a breach of this warranty will be
that Videotek will replace any defective media returned to Videotek within the warranty period. Videotek does not
warrant that the Software will meet your requirements or that operation of the Software will be uninterrupted or that the
Software will be error-free.
THE ABOVE WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES, WHETHER EXPRESS OR
IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND NONINFRINGEMENT. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS. YOU MAY HAVE
OTHER RIGHTS, WHICH VARY FROM STATE TO STATE.
• Disclaimer of Damages:
REGARDLESS OF WHETHER ANY REMEDY SET FORTH HEREIN FAILS OF ITS ESSENTIAL PURPOSE, IN NO
EVENT WILL VIDEOTEK BE LIABLE TO YOU FOR ANY SPECIAL, CONSEQUENTIAL, INDIRECT OR SIMILAR
DAMAGES, INCLUDING ANY LOST PROFITS OR LOST DATA ARISING OUT OF THE USE OR INABILITY TO USE
THE SOFTWARE EVEN IF VIDEOTEK HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
SOME STATES DO NOT ALLOW THE LIMITATION OR EXCLUSION OF LIABILITY FOR INCIDENTAL OR
CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATIONS OR EXCLUSION MAY NOT APPLY TO YOU.
IN NO CASE SHALL VIDEOTEK LIABILITY EXCEED THE PURCHASE PRICE FOR THE SOFTWARE. This
disclaimer and limitations set forth above will apply regardless of whether you accept the Software.
• U.S. Government Restricted Rights:
RESTRICTED RIGHTS LEGEND. Use, duplication, or disclosure by the Government is subject to restrictions as set
forth in subparagraph © (1) (ii) of the Rights in Technical Data and Computer Software clause at DFARS 252 227-7013
or subparagraphs © (1) and (2) of the Commercial Computer Software-Restricted Rights clause at 48 CFR 52.227-19,
as applicable, Videotek, Inc., 243 Shoemaker Road, Pottstown, PA 19464.
• General:
This agreement will be governed by the laws of the Commonwealth of Pennsylvania. This Agreement may only be
modified by a license addendum which accompanies this license or by a written document which has been signed by
both you and Videotek. Should you have any questions concerning this Agreement, or if you desire to contact Videotek
for any reason, please write:
Videotek, Inc.
243 Shoemaker Road
Pottstown, PA 19464-6433
of the Software, or create derivative works from the Software
OTM-20 Installation and Operation Handbook
OPERATOR'S SAFETY SUMMARY
CAUTION — these instructions are for use by qualified personnel only. To reduce
the risk of electric shock, do not perform this installation or any servicing unless you
are qualified to do so. Refer all servicing to qualified service personnel.
To ensure safety:
• The unit should not be exposed to dripping or splashing, and no objects filled with liquids, such as
vases, shall be placed on the unit.
• When the unit is to be permanently cabled, connect the protective ground conductor before making
any other connections.
• Operate built-in units only when they are properly fitted into the system.
• For permanently cabled units without built-in fuses, automatic switches, or similar protective facilities,
the AC supply line must be fitted with fuses rated to the units.
• Before switching on the unit, ensure that the operating voltage set at the unit matches the line
voltage, if appropriate. If a different operating voltage is to be set, use a fuse with the appropriate
rating. Refer to the Installation Instructions.
• Units of Protection Class I with an AC supply cable and plug that can be disconnected must be
operated only from a power socket with protective ground contact:
− Do not use an extension cable—it can render the protective ground connection ineffective.
− Do not intentionally interrupt the protective ground conductor.
− Do not break the protective ground conductor inside or outside the unit or loosen the protective
ground connection; such actions can cause the unit to become electrically hazardous.
• Before opening the unit, isolate it from the AC supply. Then ensure that:
− Adjustments, part replacements, maintenance, and repairs are carried out by qualified personnel
only.
− Safety regulations and rules are observed to prevent accidents.
− Only original parts are used to replace parts relevant to safety (for example, the power on/off
switches, power transformers, and fuses).
• Replaceable fuses can be hazardous when live. Before replacing a fuse, disconnect the AC power
source.
• Use caution when cleaning the equipment; isopropyl alcohol or similar solvents can damage or
remove the labels.
• Observe any additional safety instructions specified in this manual.
These symbols may appear on Videotek equipment:
Explanation of Symbols
OTM-20 Installation and Operation Handbook
European Restriction on Hazardous Substance (RoHS), and Waste from
Electrical and Electronic Equipment (WEEE) Compliance
About This Document
This document provides information concerning Leitch Technology International, Inc. compliance with EU
Directive 2002/95/EC and EU Directive 2002/96/EC.
Restriction on Hazardous Substances (RoHS) Directive
Directive 2002/95/EC—commonly known as the European Union (EU) Restriction on Hazardous
Substances (RoHS)—sets limits on the use of certain substances found in electrical and electronic
equipment. The intent of this legislation is to reduce the amount of hazardous chemicals that may leach
out of landfill sites or otherwise contaminate the environment during end-of-life recycling. The Directive
takes effect on July 1, 2006, and it refers to the following hazardous substances:
• Lead (Pb)
• Mercury (Hg)
• Cadmium (Cd)
• Hexavalent Chromium (Cr-V1)
• Polybrominated Biphenyls (PBB)
• Polybrominated Diphenyl Ethers (PBDE)
In accordance with this EU Directive, all Leitch Technology products sold in the European Union will be
fully RoHS-compliant and “lead-free.” (See the Leitch Web site, www.leitch.com, for more information on
dates and deadlines for compliance.) Spare parts supplied for the repair and upgrade of equipment sold
before July 1, 2006 are exempt from the legislation. Leitch equipment that complies with the EU directive
will be marked with a RoHS-compliant symbol, as shown in Figure 1.
Figure 1. RoHS Compliance Symbol
WASTE FROM ELECTRICAL AND ELECTRONIC EQUIPMENT (WEEE)
DIRECTIVE
The European Union (EU) Directive 2002/96/EC on Waste from Electrical and Electronic Equipment
(WEEE) deals with the collection, treatment, recovery, and recycling of electrical and electronic waste
products. The objective of the WEEE Directive is to assign the responsibility for the disposal of associated
hazardous waste to either the producers or users of these products. Effective August 13, 2005, producers
or users will be required to recycle electrical and electronic equipment at end of its useful life, and must
not dispose of the equipment in landfills or by using other unapproved methods. (Some EU member
states may have different deadlines.)
In accordance with this EU Directive, Leitch Technology International, Inc. and other companies selling
electric or electronic devices in the EU will affix labels indicating that such products must be properly
recycled.
(See the Leitch Web site, www.leitch.com, for more information on dates and deadlines for compliance.)
Contact your local Leitch sales representative for information on returning these products for recycling.
Leitch equipment that complies with the EU directive will be marked with a WEEE-compliant symbol, as
shown in Figure 2.
OTM-20 Installation and Operation Handbook
Figure 2. WEEE Compliance Symbol
OTM-20 Installation and Operation Handbook
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OTM-20 Installation and Operation Handbook
Contents
Section 1 ♦ Introduction
Safety Information ................................................................................................................. 1-2
Safety Terms....................................................................................................................1-2
Service and Support.............................................................................................................. 1-3
Section 2 ♦ Installation
Inspecting the Shipment ....................................................................................................... 2-1
Connecting ............................................................................................................................ 2-1
Maintenance of Batteries ...................................................................................................... 2-2
Section 3 ♦ Operation
Panel ..................................................................................................................................... 3-1
GUI................................................................................................................................... 3-2
LCD Contrast ............................................................................................................... 3-2
Power Meter and Laser Source Interface.................................................................... 3-2
GUI Display.................................................................................................................. 3-3
Wavelength.................................................................................................................. 3-4
Menu Configuration and Measurement Operation................................................................ 3-4
Power Meter.....................................................................................................................3-5
W/dBm ......................................................................................................................... 3-5
Reference .................................................................................................................... 3-6
Precision ...................................................................................................................... 3-7
Average ....................................................................................................................... 3-8
Buzzer..........................................................................................................................3-9
Auto Trace ................................................................................................................. 3-10
Zero ........................................................................................................................... 3-12
Scale.......................................................................................................................... 3-13
Laser Source.................................................................................................................. 3-13
Laser On/Off .............................................................................................................. 3-14
Auto Test........................................................................................................................ 3-15
Recall ............................................................................................................................. 3-17
Clear............................................................................................................................... 3-18
Auto Off .......................................................................................................................... 3-19
Language ....................................................................................................................... 3-19
Set Default .....................................................................................................................3-19
Section 4 ♦ Data Collection Software
Introduction ........................................................................................................................... 4-1
OTM-20 Installation and Operation Handbook
i
Contents
Software Installation.............................................................................................................. 4-1
Computer System Requirements..................................................................................... 4-1
Install the OTM-20 Upload Application Software............................................................. 4-1
Connecting ............................................................................................................................ 4-1
Software Operation ............................................................................................................... 4-1
GUI................................................................................................................................... 4-1
Menu and Tool Bar ...................................................................................................... 4-2
Upload Records ............................................................................................................... 4-3
Save Records .................................................................................................................. 4-4
Browse Stored Data......................................................................................................... 4-4
Printing Stored Data......................................................................................................... 4-5
Auto Trace Drawing ......................................................................................................... 4-6
Exit the Software.............................................................................................................. 4-7
Section 5 ♦ Troubleshooting
Maintenance and Replacing of Batteries .............................................................................. 5-1
Cleaning the Interfaces .........................................................................................................5-1
Calibration Requirements ..................................................................................................... 5-2
Appendix A ♦ Specifications
Power Meter Specifications ..................................................................................................A-1
Laser Source Module Specifications ....................................................................................A-1
Mechanical ............................................................................................................................ A-2
Environmental .......................................................................................................................A-2
Index
Figures
Figure 1-1. The OTM-20........................................................................................................... 1-2
Figure 2-1. OTM-20 Series Panel............................................................................................. 2-1
Figure 3-1. The Front OTM-20 Panel ....................................................................................... 3-1
Figure 3-2. Boot-up GUI of Optical Test Meter......................................................................... 3-2
Figure 3-3. Power Meter Interface............................................................................................ 3-2
Figure 3-4. Laser Source Interface........................................................................................... 3-3
Figure 3-5. Main Menu ............................................................................................................. 3-4
Figure 3-6. Power Meter Configuration Menu .......................................................................... 3-5
Figure 3-7. Unit of Measure Configuration ............................................................................... 3-6
Figure 3-8. Reference Configuration ........................................................................................ 3-6
Figure 3-9. Relative Measurement Menu ................................................................................. 3-7
Figure 3-10. Precision Configuration Menu.............................................................................. 3-8
Figure 3-11. Average Configuration Menu ............................................................................... 3-8
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OTM-20 Installation and Operation Handbook
Contents
Figure 3-12. Buzzer Configuration............................................................................................ 3-9
Figure 3-13. Buzzer Max Configuration.................................................................................... 3-9
Figure 3-14. Auto Trace Configuration ................................................................................... 3-10
Figure 3-15. Auto Trace in Progress ...................................................................................... 3-10
Figure 3-16. Tracing Finished................................................................................................. 3-11
Figure 3-17. Auto Trace Curve ............................................................................................... 3-11
Figure 3-18. Zero Operation ................................................................................................... 3-12
Figure 3-19. Auto Zero Success............................................................................................. 3-12
Figure 3-20. Calibration Failure .............................................................................................. 3-13
Figure 3-21. Scale Configuration............................................................................................ 3-13
Figure 3-22. Laser Source Configuration ............................................................................... 3-14
Figure 3-23. Laser CW/MD Configuration .............................................................................. 3-14
Figure 3-24. Laser W/dBm...................................................................................................... 3-15
Figure 3-25. Auto Test Menu.................................................................................................. 3-15
Figure 3-26. Manual Configuration of Loss ............................................................................3-16
Figure 3-27. Auto Test in Process .......................................................................................... 3-16
Figure 3-28. Report of Auto Test Result................................................................................. 3-17
Figure 3-29. Recall Menu ....................................................................................................... 3-17
Figure 3-30. Recall Records................................................................................................... 3-18
Figure 3-31. Clear Menu.........................................................................................................3-18
Figure 3-32. Screen for Delete Record Confirmation ............................................................. 3-19
Figure 3-33. Set Default Confirmation GUI............................................................................. 3-20
Figure 4-1. OTM-20 Data Collection Software GUI.................................................................. 4-2
Figure 4-2. File Menu................................................................................................................ 4-2
Figure 4-3. Record Menu for Software ..................................................................................... 4-3
Figure 4-4. Draw Menu............................................................................................................. 4-3
Figure 4-5. Upload Records ..................................................................................................... 4-3
Figure 4-6. Sample Save Records GUI .................................................................................... 4-4
Figure 4-7. Open Saved File .................................................................................................... 4-5
Figure 4-8. Browse Saved Records.......................................................................................... 4-5
Figure 4-9. Printing Stored Data............................................................................................... 4-6
Figure 4-10. Power Auto Trace Interface.................................................................................. 4-6
Tables
Table 3-1. Description of the Front OTM-20 Panel .................................................................. 3-1
Table 3-2. Description of the GUI ............................................................................................. 3-3
OTM-20 Installation and Operation Handbook
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Contents
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iv
OTM-20 Installation and Operation Handbook
Section 1 ♦ Introduction
NOTE: Please read the manual carefully before using any of the Harris fiber-optic instruments. Always
observe the warnings and cautions appearing throughout this manual. Bodily injury or damage to the
instrument can be caused when not following directions.
The Harris® OTM-20 Optical Test Meter is a new generation optical inspection tool.
This hand-held, intelligent, easy-to-use instrument is designed for fiber network
installation, verification, and routine inspection and maintenance. The OTM-20 has a
large memory capacity, and can transfer the testing data to a PC by associated software
for analyzing, graphic drawing, reporting, and printing previously stored data. Its
microprocessor and linear magnifying technology provides long-term stability. The
OTM-20 combines the function of the Laser Source (& Visible Laser) and the Power
Meter. It is ideal for both single-mode and multi-mode fiber checkouts.
This manual contains the information necessary for the proper operation and
maintenance of the Harris Optical Test Meters. It also provides troubleshooting and
service information.
The OTM-20 features are:
• Support quick test, intelligent operation
• Graphic interface on a large easy to read LCD display
• Bilingual operation (English and simplified Chinese)
• Multi-wavelength auto self-testing
• Relative/absolute power measurement
• Measures in dB, dBm, and mW
• Large memory capacity (4000 measurements)
• RS-232 data upload port, and PC software for previously stored data analyzing,
graphic drawing, and reporting
• Both continuous wave (CW) and modulated frequency modes
• Optical connector with dual-wavelength output
• Supports auto test of optic fiber loss
• Plotted power value graph
• Optical power alarm
• Automatically store data
• Damp, dust, and shock proof design
• Powered by a NiMH battery or Power adapter with auto recharging
• Interchangeable fiber-optic connectors (FC/PC, or optional SC, ST)
• Battery level indicator and auto recharging display
• Auto off function conserving battery life
OTM-20 Installation and Operation Handbook
1-1
Introduction
The OTM-20 is illustrated in Figure 1-1.
Figure 1-1. The OTM-20
Safety Information
Please observe the following general safety precautions at each stage when using these
instruments. Violation of the safety standards of the instruments will occur if such
safety precautions are not adopted or the user fails to obey the special warning in other
parts of this manual. Harris will not take any responsibility for the results caused by
not following these requirements.
Safety Terms
WARNING identifies any procedure or practice that if not followed could result in
serious injury.
CAUTION identifies any procedure or practice that if not followed could result in
damage to the instrument or serious injury.
NOTE identifies information that may be beneficial during the use and maintenance of
the instrument.
1-2
OTM-20 Installation and Operation Handbook
The Optical Test Meter is a laser instrument. Users should avoid looking directly into
the optical output. And the use of a microscope or magnifier should also be avoided,
for the use of such devices can focus a highly intense beam onto the retina that may
result in permanent eye damage.
Battery: The battery for this instrument is a rechargeable NiMH battery. If unused for
a long time, the battery should be recharged before being used. If the instrument is left
idle for more than two months, it should be recharged to maintain adequate power
volume.
Battery Power: Do not recharge batteries for more than 8 hours. Do not take batteries
out without the assistance of authorized personnel help. Do not expose batteries to fire
or intense heat. Do not open or mutilate batteries. Avoid touching the electrolyte on the
batteries, which is corrosive and may cause injuries to eyes or skin, or damage to
clothes.
Fiber Optic Laser Source
Laser Radiation: To avoid serious eye injury, never look directly into the
optic outputs of the fiber optic network equipment, test equipment, patch cords, or test
jumpers.
• Always avoid looking directly into the optic output port. The emitted laser is a
non-visible laser.
• Always replace protective dust caps on the detector port when the instrument is not
being used.
Protective Sleeve: Keep the soft plastic sleeve on the OTM-20 to avoid possible
damage.
Service and Support
Upon receiving the instrument, please check for any obvious signs of physical damage
that may have occurred during shipment. Report any damage to the shipping agent or
the representative of Videotek immediately. Retain the original packing materials if
reshipment becomes necessary.
For service and support, telephone the Customer Service Department at 610-327-2292.
If the problem cannot be resolved over the telephone and the instrument must be
shipped to Videotek for service or repair:
• Obtain a Return Authorization (RA) number from the Videotek Customer Service
Department.
• Attach a tag to the unit with:
− Your company name, address, and telephone number
− The name of the contact person at your company
− The RA number
OTM-20 Installation and Operation Handbook
1-3
Introduction
− The unit serial number
− An explanation of the problem
• To prevent shipping damage, pack the unit the same way Videotek had packed it.
If possible, use the original packing materials in the original shipping container.
• Ship the unit to:
Videotek, Inc.
243 Shoemaker Road
Pottstown, PA 19464-6433
Attn: Service Dept.
1-4
OTM-20 Installation and Operation Handbook
Section 2 ♦ Installation
This section provides information about inspecting and configuring the OTM-20.
Inspecting the Shipment
The OTM-20 is carefully assembled and undergoes a rigorous mechanical, electrical,
and optical inspection prior to shipment.
Inspect the box and the contents. Report any damage to the shipper and telephone the
Videotek Customer Service Department for service and support (see Section 1,
“Service and Support”).
NOTE: Refer to the enclosed packing sheet for the latest list of items that are supplied with the unit.
The box contains the following:
• One OTM-20 with protective sleeve
• One OTM-20 Installation and Operation Handbook
• AC adapter/charger
• Soft carrying case with belt strap
• RS232 cable/adapter
• Shoulder strap that attaches to the protective sleeve
• CD-Rom software
Save the box and packing material for any future shipping requirements.
Connecting
The panel connectors are illustrated in Figure 2-1.
Figure 2-1. OTM-20 Series Panel
Power Adapter Jack
Power adapter jack requirements: 13.8V DC @ 1.2A
OTM-20 Installation and Operation Handbook
2-1
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