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User's
Manual
Thank you for purchasing the AQ7277 Remote OTDR.
This product is an OTDR module, designed to be integrated into a remote fiber test system.
This user's manual explains the handling precautions, specifications, and connection procedures of the AQ7277
Remote OTDR for users that are involved in remote fiber test.
For correct operation, please read this manual thoroughly before use.
The AQ7277 comes with the following manuals. Please keep them in a safe place.
Manual Title
AQ7277 Remote OTDR User's Manual
AQ7277 Remote OTDR User's Manual
* The "-EN" in the manual number is the language code.
Contact information of Yokogawa offices worldwide is provided on the following sheet.
Document No.
PIM 113-01Z2
The following manual is a related manual that is downloaded with the Remote Controller for the AQ7277
Remote OTDR available at the YOKOGAWA website.
Manual Title
Remote Controller for the AQ7277
Remote OTDR Configuring Network
Settings and Updating the Firmware
AQ7277 OTDR Communication Interface
User's Manual
You can download the Remote Controller for the AQ7277 Remote OTDR and the manual from the following
webpage.
https://y-link.yokogawa.com/YL007/
Trademarks
• Microsoft, Windows, and Windows Vista are either registered trademarks or trademarks of Microsoft
Corporation in the United States and/or other countries.
• Adobe and Acrobat are either registered trademarks or trademarks of Adobe Systems Incorporated in the
United States and/or other countries.
• In this manual, the ® and TM symbols do not accompany their respective registered trademark or trademark
names.
• Other company and product names are registered trademarks or trademarks of their respective holders.
Revisions
• 1st Edition:
April 2015
• 2nd Edition:
November 2015
• 3rd Edition:
October 2017
Model AQ7277 Remote OTDR
Manual No.
IM AQ7277-03EN
IM AQ7277-92Z1
Description
List of worldwide contacts
Manual No.
IM AQ7277-61EN
IM AQ7277-17EN
3rd Edition : October 2017 (YMI)
All Rights Reserved, Copyright © 2011 Yokogawa Test & Measurement Corporation
Printed in Japan
Description
This manual.
A manual for China.
Description
This manual explains how to use the remote
controller for configuring the AQ7277.
Explains the features related to using communication
commands to control the AQ7277..
IM AQ7277-03EN 1/9
3rd Edition

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Summary of Contents for YOKOGAWA AQ7277

  • Page 1 Contact information of Yokogawa offices worldwide is provided on the following sheet. Document No. Description PIM 113-01Z2 List of worldwide contacts The following manual is a related manual that is downloaded with the Remote Controller for the AQ7277 Remote OTDR available at the YOKOGAWA website. Manual Title Manual No. Description...
  • Page 2: Checking The Package Contents

    Do not use the instrument if there is a problem with its physical appearance. Use the Correct Power Supply Make sure that the power supply voltage matches the AQ7277’s rated supply voltage and that it does not exceed the maximum voltage range specified for the power cord.
  • Page 3 If the device connected to the system under measurement does not have a filter for blocking 1625 nm and 1650 nm laser beams or depending on the lightfastness power rating or the attenuation characteristics of the blocking filter, the light pulses that the AQ7277 emits may damage the device. Be sure to install an appropriate blocking filter and check that the device’s ratings are adequate before making measurements.
  • Page 4: Authorized Representative In The Eea

    100 mm may cause eye injury. Laser Specifications Model Wavelength Output Pulse Width AQ7277-B01, -B02 1650 nm ≤ 32mW ≤ 20 us (duty: ≤ 3.0%) Authorized Representative in the EEA Yokogawa Europe B. V. is Authorized Representative of Yokogawa Test & Measurement Corporation in the EEA for this Product. To contact Yokogawa Europe B. V., see the separate list of worldwide contacts, PIM 113-01Z2. Conventions Used in This Manual The notes and cautions in this manual are categorized using the following symbols.
  • Page 5: Specifications

    At least 30 minutes Dimensions and Dimensions 277 mm (W) × 73 mm (H) × 190 mm (D), excluding protrusions weight (W × H × D) Weight Approx. 2 kg EMC standards EN61326-1 Class A EN55011 Class A, Group1 EMC Regulatory Arrangement in Australia and New Zealand EN55011 Class A, Group1 Environmental Standard EN50581 monitoring and control Instruments IM AQ7277-03EN...
  • Page 6: External Dimensions

    ±0.3 mm when below 10 mm). Component Names and Functions M3 screws (six locations) USB port (type B) Optical connector Ventilation holes Power supply ports Use the appropriate port for your power supply. LED connector Ethernet port IM AQ7277-03EN...
  • Page 7: Installation

    If you block the ventilation holes on the front and rear panels of the AQ7277, the AQ7277 will become hot and may break down. Fix the AQ7277 in place using the six M3 screws (screw tightening torque: 0.6 to 0.7 N•m). Adjust each screw so that the portion of the screw that is inserted into the AQ7277 case is 3 mm to 6 mm in length. M3 screws...
  • Page 8: Connecting To The Power Supply

    If you are using the Remote Controller for the AQ7277 Remote OTDR (available at the YOKOGAWA website) and the AQ7277 starts normally, the top menu will appear in the control window of the Remote Controller that is displayed in the PC monitor window.
  • Page 9 For instructions on how to install the Remote Controller and how to connect the AQ7277 to a PC, see the User’s Manual IMAQ7277-61EN (Remote Controller for the AQ7277 Remote OTDR: Configuring Network Settings and Updating the Firmware). Note You can download the Remote Controller for the AQ7277 Remote OTDR from the YOKOGAWA website.

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