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ATX QFOT1310 Series User Manual

Q series broadcast transmiter
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Q-SERIES
QFOT1310 Series
Broadcast Transmitter User Manual
Although every effort has been taken to ensure the accuracy of this document it may be necessary, without notice, to make amendments or correct omissions.
Specifications subject to change without notice.
®

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Summary of Contents for ATX QFOT1310 Series

  • Page 1 Q-SERIES ® QFOT1310 Series Broadcast Transmitter User Manual Although every effort has been taken to ensure the accuracy of this document it may be necessary, without notice, to make amendments or correct omissions. Specifications subject to change without notice.
  • Page 2 Q-Series is a registered trademark of ATX in the United States and/or other countries. Products or features contained herein may be covered by one or more U.S. or foreign ® patents. Other non-ATX product and company names in this manual are the property of their respective companies.

  • Page 3: Table Of Contents

    7.2. Supplies & Tools ..........................7-1 7.3. Installation ............................7-1 CLEANING & MAINTENANCE ......................... 8-1 AFTER-SALE CUSTOMER SERVICE ...................... 9-1 10. TROUBLESHOOTING ..........................10-1 11. SERVICE & SUPPORT ..........................11-1 11.1. Contact ATX Networks ........................11-1 11.2. Warranty Information ........................11-1...
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  • Page 5: Preface

    PREFACE Preface This manual is designed for QFOT1310 series 1310nm broadcast transmitter along with a detailed description of product features, specifications, installation, adjustments and troubleshooting. To install this transmitter successfully and use it safely, users must read the manual carefully before installation, and perform their installation and adjustments according to this manual.
  • Page 6 CHAPTER 1: PREFACE This page left intentionally blank. Q-Series ® – QFOT1310 Series Broadcast Transmitter User Manual...

  • Page 7: Overview

    OVERVIEW Overview QFOT1310 is a 1310nm DFB laser transmitter delivering TV signals, digital TV signals, telephone voice signals and data signals over long distance fiber cable for CATV networks. The product utilizes a high performance cooled DFB laser as the light source, RF power digital automatic process technique, along with RF pre-distortion circuit.
  • Page 8 CHAPTER 2: OVERVIEW This page left intentionally blank. Q-Series ® – QFOT1310 Series Broadcast Transmitter User Manual...

  • Page 9: Features

    RF power digital automatic processing technology. • Excellent pre-distortion technology leading to the improved CTB, CSO and C/N. • Built-in microprocessor controlling laser and RF performance. • Front panel VFD screen displaying the transmitter status. Q-Series ® – QFOT1310 Series Broadcast Transmitter User Manual...
  • Page 10 CHAPTER 3: FEATURES This page left intentionally blank. Q-Series ® – QFOT1310 Series Broadcast Transmitter User Manual...

  • Page 11: Functional Diagram

    TEST POINT DIGITAL PRE-DISTORTION OPTICAL RF INPUT ATTENUATOR BOARD DFB LASER OUTPUT ATC AUTOMATIC APC AUTOMATIC AGC/MGC RF TEST CONTROL CONTROL CIRCUIT CIRCUIT NETWORK POWER MICROPROCESSOR VFD DISPLAY POWER SUPPLY MANAGEMENT INPUT Q-Series ® – QFOT1310 Series Broadcast Transmitter User Manual...
  • Page 12 CHAPTER 4: FUNCTIONAL DIAGRAM This page left intentionally blank. Q-Series ® – QFOT1310 Series Broadcast Transmitter User Manual...

  • Page 13: Specifications

    Link Test Condition Test Condition: Test link consists of the QFOT1310 transmitter, 10 Km standard fiber, attenuator and standard optical receiver. Input RF channels are 59 PAL-D channels (equivalent to 77 NTSC channels). The optical receiver input power is -1 dBm.

  • Page 14: Optical Link C/N Table

    51.5 50.5 49.5 48.6 47.8 QFOT1310-16 52.0 51.0 50.1 49.1 48.1 QFOT1310-18 52.5 51.6 50.6 49.7 48.7 47.9 QFOT1310-20 51.9 51.0 50.0 49.0 48.0 QFOT1310-22 52.2 51.4 50.4 49.4 48.6 47.8 Q-Series ® – QFOT1310 Series Broadcast Transmitter User Manual...

  • Page 15: Function Guide

    “MOD LEVEL=XX dBmV” and transmitter will shift back to AGC mode. For instance, if user’s ideal Modulating level is 42 dBmV, VFD would display “MOD LEVEL= 42 dBmV” after operations shown above. Please consult an ATX engineer for help with this feature.

  • Page 16: Parameter Display

    After the transmitter has been powered ON and initialized, pressing the UP or DOWN button on the front panel will scroll the VFD to display in turn the following: “Welcome to ATX”: trademark “QFOT1310-xx-SC”: module name, SC indicated output fiber connector “POWER=XX.X mW”: output power, unit mW. 4) “TEMP=XX.X ˚C”: internal temperature value of the laser “BIAS= XX mA”: bias current of the laser...

  • Page 17: Installation & Adjustment

    After unpacking, check the equipment and accessories according to packing list. If there is any question, please contact ATX. 7.1.3. If you think equipment has been damaged, please don’t turn on the power and avoid worse damage. Please contact ATX. 7.2. Supplies & Tools...
  • Page 18 CHAPTER 7: INSTALLATION & ADJUSTMENT This page left intentionally blank. Q-Series ® – QFOT1310 Series Broadcast Transmitter User Manual...

  • Page 19: Cleaning & Maintenance

    Avoid aiming the optical output or fiber connector at the human body or eyes. Assemble the fiber adaptor gently and carefully to prevent damage to the ceramic ferrule inside the adapter. Q-Series ® – QFOT1310 Series Broadcast Transmitter User Manual...
  • Page 20 CHAPTER 8: CLEANING & MAINTENANCE This page left intentionally blank. Q-Series ® – QFOT1310 Series Broadcast Transmitter User Manual...

  • Page 21: After-Sale Customer Service

    If the equipment fails, please contact ATX immediately. Don’t try to repair the problem without help from an ATX technician. NOTE: There are adhesive tape seals on both sides of the case. Any unauthorized removal of this tape seal by the user will void the 1 year warranty.
  • Page 22 CHAPTER 9: AFTER-SALE CUSTOMER SERVICE This page left intentionally blank. Q-Series ® – QFOT1310 Series Broadcast Transmitter User Manual...

  • Page 23: Troubleshooting

    Power the unit OFF for 5 seconds, and then back ON. The modulation and display settings have now been restored to the factory defaults. These settings will work for 99% of the applications, and it is rarely needed to deviate from these. Please consult the factory if unsure. Q-Series ® – QFOT1310 Series Broadcast Transmitter User Manual 10-1...
  • Page 24 CHAPTER 10: TROUBLESHOOTING This page left intentionally blank. Q-Series ® – QFOT1310 Series Broadcast Transmitter User Manual 10-2...

  • Page 25: Service & Support

    Please contact ATX Technical Support for assistance with any ATX products. Please contact ATX Customer Service to obtain a valid RMA number for any ATX products that require service and are in or out-of-warranty before returning a failed module to the factory.
  • Page 26 1-501 Clements Road West, Ajax, ON L1S 7H4 Canada Tel +1 (905) 428-6068 Toll Free +1 (800) 565-7488 Fax +1 (905) 427-1964 Toll Free Fax +1 (866) 427-1964 www.atxnetworks.com support@atxnetworks.com Printed in Canada Rev. 11/10 (ANW0787)

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