Cobalt Networks 9341 User Manual

Cobalt Digital Inc.

9341

Analog Audio to AES Converter

9341-OM Version: 1.0

Owner’s Manual

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.

Contents of this publication may not be reproduced in any form without the written permission of Cobalt Digital Inc.. Reproduction or reverse engineering of copyrighted software is prohibited.

Notice

The material in this manual is furnished for informational use only. It is subject to change without notice and should not be construed as a commitment by Cobalt Digital Inc.. Cobalt Digital Inc. assumes no responsibility or liability for errors or inaccuracies that may appear in this manual.

Trademarks

• is a registered trademark of Ross Video Limited.

•

• All other product names and any registered and unregistered trademarks mentioned in this

manual are used for identification purposes only and remain the exclusive property of their respective owners.

is a registered trademark of Cobalt Digital Inc.

Page 2 of 22 9341 Owner’s Manual •••• (V 1.0)

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

Warning

Caution

Notice

ESD

Susceptibility

This symbol on the equipment refers you to important operating and maintenance (servicing) instructions within the Product Manual Documentation. Failure to heed this information may present a major risk of damage or injury to persons or equipment.

The symbol with the word “Warning” within the equipment manual indicates a potentially hazardous situation, which if not avoided, could result in death or serious injury.

The symbol with the word “Caution” within the equipment manual indicates a potentially hazardous situation, which if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices.

The symbol with the word “Notice” within the equipment manual indicates a situation, which if not avoided, may result in major or minor equipment damage or a situation which could place the equipment in a non-compliant operating state.

This symbol is used to alert the user that an electrical or electronic device or assembly is susceptible to damage from an ESD event.

Important Safety Instructions

Caution

Warning

9341 User Manual •••• (V 1.0) Page 3 of 22

This product is intended to be a component product of the openGear frame. Refer to the openGear frame Owner’s Manual for important safety instructions regarding the proper installation and safe operation of the frame as well as it’s component products.

Certain parts of this equipment namely the power supply area still present a safety hazard, with the power switch in the OFF position. To avoid electrical shock, disconnect all A/C power cords from the chassis' rear appliance connectors before servicing this area.

Service barriers within this product are intended to protect the operator and service personnel from hazardous voltages. For continued safety, replace all barriers after any servicing.

This product contains safety critical parts, which if incorrectly replaced may present a risk of fire or electrical shock. Components contained within the product’s power supplies and power supply area, are not intended to be customer serviced and should be returned to the factory for repair.

To reduce the risk of fire, replacement fuses must be the same type and rating. Only use attachments/accessories specified by the manufacturer.

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-of-life equipment in an environmentally friendly and health conscious manner. The crossed-out wheeled bin symbol invites you to use these systems.

If you need more information on the collection, reuse, and recycling systems, please contact your local or regional waste administration. You can also contact Cobalt Digital for more information on the environmental performances of our products.

Page 4 of 22 9341 Owner’s Manual •••• (V 1.0)

Contents

Introduction 6

In This Chapter...........................................................................................................................6

A Word of Thanks......................................................................................................................6

Overview....................................................................................................................................6

Supported Audio Formats ..........................................................................................................7

Discrete AES Audio Output.........................................................................................7

Inputs and Outputs .....................................................................................................................7

Signal Timing.............................................................................................................................7

Functional Block Diagram .........................................................................................................8

Documentation Terms................................................................................................................8

Installation and Setup 9

In This Chapter...........................................................................................................................9

Static Discharge .........................................................................................................................9

Unpacking ..................................................................................................................................9

Rear Module Installation (Optional) ........................................................................................10

Rear Modules Available for 9341 ............................................................................................11

Board Installation.....................................................................................................................12

Card Control and Status ...........................................................................................................13

Card Status.................................................................................................................13

Menu Navigation .......................................................................................................13

Factory Default Settings.............................................................................................15

Remote Control 16

In This Chapter.........................................................................................................................16

DashBoard Control System Software.......................................................................................16

Technical Specifications 18

Service Information 19

In This Chapter.........................................................................................................................19

Troubleshooting Checklist .......................................................................................................19

Warranty and Repair Policy.....................................................................................................20

Ordering Information 21

9341 and Related Products.......................................................................................................21

Contact Cobalt Digital Inc........................................................................................................22

Visit us at the Cobalt Digital Inc. website. ...............................................................................22

9341 User Manual •••• (V 1.0) Page 5 of 22

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 converters, and much more. Cobalt openGear modular conversion gear will meet your signal conversion needs now and well into the future.

Should you have questions pertaining to the installation or operation of your 9341, please contact us at the numbers listed on the back cover of this manual. We are happy to help with any questions regarding this or any other openGear card.

Overview

The 9341 is a high quality A to D converter capable of converting up to 8 channels of analog audio into four pairs of AES audio. Analog audio is differential input and sampled at 48 kHz with 0 dbFS digital equivalent to a +24 dBu analog.

Beyond analog to digital conversion, the 9341 can also provide AES audio routing. Any of the 8 analog audio inputs can be mapped to any of the 8 AES audio outputs. The gain and phase can also be adjusted on any of the audio channels.

All card configuration is done with a simple front panel menu. There is a four character text display to view and control parameters, and a toggle switch and two buttons to navigate the menu.

Page 6 of 22 9341 Owner’s Manual •••• (V 1.0)

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 48 kHz (± 1%) nominally. There are sample rate converters on each input that allow the use of asynchronous sources, but the rate must be 48kHz. The output clock rate will be 48 kHz as defined by the AES input, or the frame video reference, depending on user selection.

In the case where DARS input is selected as the reference, the timing will be taken from BNC 10. Consequently, to slave the output timing to a DARS audio reference, simply connect it to BNC #10 and all other inputs will be re-sampled to match that channel.

To match the output audio clock to a video reference, select the frame reference (“Reference 1” or “Reference 2”). The card will automatically detect any black burst or tri level format (NTSC, PAL, 1080i, 720p) and generate a 48 kHz output clock accordingly.

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