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Blonder tongue AQT Series Instruction Manual

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INSTRUCTION MANUAL
AQT Series
ATSC to QAM Transcoder
Model
AQT
AQT-PCM
QTRC
Accessories
Model
AQT-SPS
QT-RFC
QT-RFS
QTHF
AQT-RCS
Assemblies
QRA-3C-X 1 X 2 X 3 X 4 X 5 X 6
Whereby X 2 in the second digit slot, represents the quantity of QTM-HD Modules
Whereby X 1 , in the first digit slot, represents the quantity of QTM-II Modules
Whereby C represents an optional combiner & splitter assembly, A for combiner only, B for splitter only
Whereby 3 represents AQT-PCM, 1 for QT-PCM, 2 for AQD-PCM
Stock No.
6275
6276
6233
Stock No.
6254
6234-1
6234-2
6235
2736
6251-3C-000008
Whereby X 6 in the sixth digit slot, represents the quantity of AQT Modules
Whereby X 5 in the fifth digit slot, represents the quantity of QTM-HD-NPU Modules
Whereby X 4 in the fourth digit slot, represents the quantity of AQD Modules
Whereby X 3 in the third digit slot, represents the quantity of QTM-HD Plus Modules
© 2007 Blonder Tongue Laboratories, Inc. All Rights Reserved. Specifications subject to change without notice.
Portions of the software code are copyright © 2005 The FreeType Project (www.freetype.org). All rights reserved.
All other trademarks are property of their respective owners.
(800) 523-6049 • (732) 679-4000 • FAX: (732) 679-4353
Description
ATSC to QAM Transcoder
ATSC to QAM Transcoder - Power and Control Module
QAM Transcoder Rack Chassis
Description
AQT Standby Power Supply Unit
8 Way RF Combiner
8 Way RF Splitter
QT Headend Fan
AQT Remote Configuration Server
QAM Rack Assembly with AQT-PCM,
Combiner/Splitter & 8 AQT Modules
M A D E I N U S A
One Jake Brown Road
Old Bridge, NJ 08857-1000 USA
www.blondertongue.com
651219100C

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Summary of Contents for Blonder tongue AQT Series

  • Page 1 M A D E I N U S A 651219100C © 2007 Blonder Tongue Laboratories, Inc. All Rights Reserved. Specifications subject to change without notice. Portions of the software code are copyright © 2005 The FreeType Project (www.freetype.org). All rights reserved.
  • Page 2 This product incorporates copyright protection technology that is protected by U.S. patents and other intellectual property rights. Reverse engineering or disassembly is prohibited. Returning Product for Repair (or Credit) A Return Material Authorization (RMA) Number is required on all products returned to Blonder  Tongue, regardless if the product is being returned for repair or credit.  Before returning product, please contact the Blonder Tongue Service Department at 1-800-523-6049, Ext. 4256 or visit our website: www.blondertongue.com for further information.

  • Page 3: Note To Catv System Installer

    Should any damage be discovered after unpacking the unit, immediately file a claim with the carrier. A full report of the damage shall be made and a copy forwarded to Blonder Tongue Laboratories Inc. The company will then advise what disposition is to be made of the equipment.

  • Page 4: Safety Instructions

    Unplug the unit from the AC power outlet before cleaning. Use only a damp cloth for cleaning the exterior of ➧ the unit. Do not use accessories or attachments not recommended by Blonder Tongue, as they may cause hazards, and ➧ will void the warranty.
  • Page 5 When replacement parts are required, ensure that the service technician uses replacement parts specified ➧ by Blonder Tongue. Unauthorized substitutions may damage the unit or cause electrical shock or fire, and will void the warranty. Upon completion of any service or repair to the unit, ask the service technician to perform safety checks ➧...
  • Page 6 Introduction The Blonder Tongue ATSC to QAM Transcoder is a modular unit that allows the reception of a modulated 8VSB or QAM signal input and transcodes it to a QAM modulated output signal. The unit is designed to tune to an off-air 8VSB or QAM digital signal and convert it to a digital QAM signal to interface with digital TV displays with QAM tuners.
  • Page 7 AQT Series    Instruction Manual The Unit Front Panel - AQT ENTER ATSC/QAM ATSC/QAM ATSC/QAM ATSC/QAM ATSC/QAM ATSC/QAM ATSC/QAM TRANSCODER TRANSCODER TRANSCODER TRANSCODER TRANSCODER TRANSCODER TRANSCODER LINK MODULE MODULE MODULE MODULE MODULE MODULE MODULE AQT-RCS STATUS STATUS STATUS STATUS STATUS STATUS STATUS ATSC/QAM DEMODULATOR CONFIGURATION SERVER POWER &...

  • Page 8: Specifications

    AQT Series  Instruction Manual Specifications Off Air 8VSB/QAM Input Controls Demod Mode: Backlit Liquid Crystal Display (LCD) 5 Navigation/Enter Push Buttons ATSC: 8VSB or 16VSB AQT Unit Status Indicator: ITU A: 16, 32, 64, 128, 256 QAM 1 Green LED Per Module ITU B: 64, 256 QAM Connectors ...
  • Page 9 AQT-Series    Instruction Manual Installing the AQT Installing the Unit in a Rack Mounting The chassis is 5.25 inches tall, 19 inches wide, and 12 inches deep. You can mount the chassis in a standard EIA, 24 inch deep, enclosed rack. Secure the chassis front panel to the rack by inserting four machine screws, with cup washers, through the four mounting holes in the front panel.

  • Page 10: Mechanical Assembly

    AQT Series  Instruction Manual Mechanical Assembly The Modules The AQT consists of 3 core modules. AQT-PCM - AQT Power & Control Module AQT - ATSC/QAM Transcoder Module QTRC - QT Rack Chassis QT Rack Chassis Front Front ENTER ATSC/QAM TRANSCODER MODULE STATUS AQT-PCM POWER & CONTROL MODULE Rear MODEL: AQT-PCM STOCK NO.: 6276...
  • Page 11 AQT-Series    Instruction Manual Installing the Modules in the Chassis The following are the recommended instructions for installation of the modules in a chassis: 1. Mount the AQT-PCM module in the chassis by gently sliding it into position on the far right most position of the chassis (facing the front).
  • Page 12 11. Reconnect "Standby Power" after boot-up, if applicable. AQT - Operating Interface Instructions Introduction The Blonder Tongue AQT series uses an easy to read Back-lit LCD and push button switches to control and monitor the AQT Modules. The following information describes the LCD methodology and approach.
  • Page 13 AQT Series    Instruction Manual Boot-Up Display Sequence When the unit is first plugged in for use, the PCM displays the appropriate module condition on the LCD readout as depicted below. AQT-PCM PWR AQT-PCM ADDRESS #1 AQT MODULE #2 AQT MODULE PRIMARY 00099881 IS PRESENT NOT PRESENT #3 AQT MODULE...
  • Page 14 AQT Series  Instruction Manual Left/Right Sequence Details The Left / Right sequence is where the core variables of the AQT are programmed. It is accessed when a user depresses the t (L) or u (R) arrow navigation keys. There are 4 main adjustable variables for each module. #1 OUT QAM MODE: #1 OUTPUT LEVEL: #1 INPUT FREQ:...
  • Page 15 AQT Series    Instruction Manual Interactive & Up/Down Sequence The advanced interactive menu is easily accessible by depressing the (UP) or (DN) arrow keys on the front of the control module. Each of the adjustable settings are issued to the particular module that is actively displayed. Some variables are global for the unit and not module specific.

  • Page 16: Front Panel

    The CW QAM signal is used to provide the true equivalent signal level for the QAM carrier to be measured on a spectrum analyzer. The AQT Series is capable of supplying the output QAM signal in CW mode. This simplifies the level measurement process dramatically because the level does not need to be adjusted for the limitations in analyzer bandwidth settings.

  • Page 17: Rear Panel

    Mounting It is recommended to mount one (1) Standby Power unit between two (2) AQT Series rack chassis units. The fans draw airflow up for circulation. Optimum performance is achieved when a full rack space is used between the chassis and the SPS.
  • Page 18 Answer: Yes, firmware version 5.1 and 5.2 or 5.3 does not lock to some QAM channels and the AQT firmware must be updated to 5.5 version. Solution: Blonder Tongue has released a firmware version to correct this issue. The firmware version is 5.5. Refer to question 6 for how to upgrade the AQT.
  • Page 19 AQT Series    Instruction Manual Frequently Asked Questions (continued) Question: I have both AQT version 5.5 and AQT-PCM 3.3, but still have issue locking to QAM at all time. Answer: Please note that the QAM mode selection for locking to QAM must be set to "PASS THRU" mode. Do not set the QAM mode to "NORMAL".
  • Page 20 AQT Series  Instruction Manual Appendix A Broadcast  CATV Channel Frequency Chart  Chart 54 MHz to 864 MHz Center Center Center Frequency Frequency Frequency VHF Broadcast Channels Chan. Chan. Channel Center Frequency Chan. UHF Broadcast Channels Channel Center Frequency...
  • Page 21 AQT Series    Instruction Manual Appendix B Straight Cross Pinning Pinning Note: Straight pinning means that each contact is straight pinned to Black Yellow Yellow Yellow it's respective contact. Cross pinning Green Green Green Green Yellow Black means that contacts are pinned to Black Black Cross Pinned RJ-11 Cable Diagram...
  • Page 22 AQT Series  Instruction Manual Notes:...
  • Page 24 One Jake Brown Road Old Bridge, NJ 08857-1000 USA (800) 523-6049 • (732) 679-4000 • FAX: (732) 679-4353 www.blondertongue.com...

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