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Cobalt Digital Inc.
9341
Analog Audio to AES Converter
Owner’s Manual
9341-OM
Version: 1.0
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9341 •••• AES Audio Delay Owner’s Manual • Cobalt Part Number: 9341-OM • Document Version: 1.0 • Printed in the United States. • Last Author: SJK • Printing Date: 6/6/2008 4:36 PM The information contained in this Owner’s Manual is subject to change without notice or obligation. Copyright © 2008 Cobalt Digital Inc.. All rights reserved. Contents of this publication may not be reproduced in any form without the written permission of Cobalt Digital Inc.. Reproduction or reverse engine
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Important Regulatory and Safety Notices Before using this product and any associated equipment, refer to the “Important Safety Instructions” listed below so as to avoid personnel injury and to prevent product damage. Products may require specific equipment, and /or installation procedures be carried out to satisfy certain regulatory compliance requirements. Notices have been included in this publication to call attention to these specific requirements. Symbol Meanings This symbol on the
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Environmental Information The equipment that you purchased required the extraction and use of natural resources for its production. It may contain hazardous substances that could impact health and the environment. To avoid the potential release of those substances into the environment and to diminish the need for the extraction of natural resources, Cobalt Digital encourages you to use the appropriate take-back systems. These systems will reuse or recycle most of the materials from your end
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Contents Introduction 6 In This Chapter...........................................................................................................................6 A Word of Thanks......................................................................................................................6 Overview....................................................................................................................................6 Supported Audio Formats ............................
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Introduction In This Chapter This chapter includes the following sections: • A Word of Thanks • Overview • Functional Block Diagram • Features • Documentation Terms A Word of Thanks Congratulations on choosing the openGear 9341 Analog Audio to AES Converter. The 9341 is part of a full line of modular conversion gear for broadcast TV environments. The Cobalt Digital openGear line includes video decoders and encoders, audio embeders and de-embeders, distribution amplifiers, format c
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Supported Audio Formats Discrete AES Audio Output The 9341 can emit 8 channels (4 pairs) of discrete AES audio on 75 ohm BNC connections. The output clock rate of each pair is precisely locked, and derived from the input AES, or the frame reference. Inputs and Outputs The input and outputs of the 9341 are the following: Inputs: 8 Analog Audio differential Outputs: 4 dedicated AES pair output connections. (AES channels 1-8) Signal Timing The input AES audio rate must be
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Functional Block Diagram This section describes the basic operation of your 9341 product. Audio Control: 8 Analog Analog to Digital Routing 4 pairs Audio AES Encode Conversion Gain 8 channels Channels Polarity 9341 Block Diagram Figure 1. Simplified Block Diagram of 9341 Functions Differential analog audio signals are received on the input phoenix connectors. AES audio is sample rate converted to match the selected clock source. AES routing, gain, and polarity are then applied. Documen
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Installation and Setup In This Chapter This chapter includes the following sections: • Static Discharge • Unpacking • Rear Module Installation (Optional) • Board Installation • Card Control and Status Static Discharge Whenever handling the card and other related equipment, please observe all static discharge precautions as described in the following note: Static discharge can cause serious damage to sensitive semiconductor devices. Avoid handling circuit boards in high static e
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Rear Module Installation (Optional) If you are installing the card in a 8310-C-BNC or 8310-BNC frame (one with a 100 BNC rear module installed across the entire back plane), skip this section. If you are installing the card into a slot with no rear module, you should have ordered and received one of the following modules; RM-9341-B or RM-9341-C. You will need to install it in your 8310 frame before you can connect cables. TM Use the following steps to install a rear module in an 8310 openG
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Rear Modules Available for 9341 Figure 3. BNC Designations for the Card Rear Modules available for the 9341. RM-9341-B RM-9341-C NC NC AN IN AN IN NC DARS 1 2 AES AES AN IN AN IN AN IN AN IN 3 4 1 2 OUT 1 OUT 2 AN IN AN IN AN IN AN IN AES AES text text 5 6 3 4 OUT 3 OUT 4 AN IN AN IN AES AES AES AES 5 6 OUT 2 OUT 3 OUT 5 OUT 6 AN IN AN IN AES AES 7 8 NC NC OUT 4 OUT 5 9341 User Manual •• (V 1.0) Page 11 of 22 ••
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Board Installation TM Use the following steps to install the card in the openGear 8310 frame: TM 1. Refer to the Owner’s Manual of the openGear 8310 frame to ensure that the frame is properly installed according to instructions. Heat and power distribution requirements within a frame may dictate specific slot placement of cards. Cards with many heat-producing components should be arranged to avoid areas of excess heat build-up, particularly in frames using convection cooling.
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Card Control and Status Card Status The card indicates the status of the input signal with the four blue LEDs labled with the different supported formats (1080, 720, 625, 525), these LEDs correspond to AES Inputs 1-4. The four orange LEDs labeled User 1-4 correspond to AES Inputs 5-8 respectively. When the card has locked to an AES signal, a corresponding LED will be illuminated. When the card has not locked to an AES signal, the card will search for a signal and the lights will cycle rap
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Tone Frequency This sets the frequency of the test tone for each of the four tone generators. Each of the four tone generators TG1 – TG4 can be set to a different frequency, and are available as audio sources for the embedded or AES audio outputs. The tones can range from 50Hz to 16kHz. Display Submenu Menu Structure Parameter Type Disp H/V Display Orientation BRGT Display Brightness Display Orientation This parameter lets you change the orientation of the display. “Vert” makes the
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Information Submenu Menu Structure Parameter Type Info +POW Positive Watts Consumed -POW Negative Watts Consumed SWR# Software Release Number SWB# Software Build Number Positive Watts Consumed A read only indication of power consumed by the card from the frames +12V rail. Negative Watts Consumed A read only indication of power consumed by the card from the frames +-7.5V rail. Software Release Number A read only indication of the software release number. A higher number is newer rel
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Remote Control In This Chapter This section provides a detailed explanation on using remote control functions with your card. DashBoard Control System Software TM The DashBoard Control System enables you to monitor and control openGear frames and controller cards from a computer. The DashBoard software and manual can be downloaded from the Cobalt Digital Inc. website (www.cobaltdigital.com). Using the Menus and Menu Descriptions You must first install the DashBoard Control System softwa
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Menu Item Format Description Status indicator for DARS DARS Locked / Unlocked audio input Detected standard of Reference Standard ############ selected reference. This shows whether the Settings Saved / Unsaved current settings have been saved to a preset. Menu Item Format Description Analog Ch 1-8 Selects the source for the Source AES outputs. Each AES Tone Generator 1-4 source can be chosen (per channel) Silence separately. Gain applied to AES AES Audio Gain audio
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Technical Specifications 8 Balanced Analog Audio Number of Inputs Phoenix 3-pin Connector Analog Audio 48KHz (free run or locked to the reference) Sampling Rate Input +24dBu => 0dBFS Signal Level SMPTE 276M Standard Number of Outputs 4 unbalanced Output Impedance 75 Ω AES Audio Output > 30dB 100kHz to 6MHz Return Loss Up to 24-bit Resolution Sample Rate 48KHz Specifications are subject to change without notice. Page 18 of 22 9341 Owner’s Manual •• (V 1.0) •
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Service Information In This Chapter This chapter includes the following sections: • Troubleshooting Checklist • Warranty and Repair Policy Troubleshooting Checklist Routine maintenance to this openGear product is not required. In the event of problems with your card, the following basic troubleshooting checklist may help identify the source of the problem. If the module still does not appear to be working properly after checking all possible causes, please contact your openGear produc
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Warranty and Repair Policy The openGear card is warranted to be free of any defect with respect to performance, quality, reliability, and workmanship for a period of FIVE (5) years from the date of shipment from our factory. In the event that your Cobalt Digital Inc. card proves to be defective in any way during this warranty period, Cobalt Digital Inc. reserves the right to repair or replace this piece of equipment with a unit of equal or superior performance characteristics. Should you
