Ross Video Limited
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1. Sierra Video Systems DAC 162 AES EBU Digital to Analog Audio Converter 75 Ohm Owner s Manual amp sierravideo O pe nN Gear r m Sierra Video Part Number DAC 162 Version 1 1 11 23 2010 DAC 162 e AES EBU Digital to Analog Audio Converter 75 Ohm User Manual e Sierra Video Part Number DAC 162 e Document Version 1 1 e Printed in the United States The information contained in this User Manual is subject to change without notice or obligation Copyright 2010 Sierra Video Systems All rights reserved Contents of this publication may not be reproduced in any form without the written permission of Sierra Video Systems 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 Sierra Video Systems Sierra Video Systems assumes no responsibility or liability for errors or inaccuracies that may appear in this manual Trademarks openkear e nr is a registered trademark of Ross Video Limited sierravideo is a registered trademark of Sierra Video Systems e 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 Important Regulatory and Safety Notices Before using this product and any2. Your DAC 162 Digital to Analog Audio Converter is a part of the openGear family of products Sierra Video offers a full line of openGear terminal equipment including distribution conversion monitoring muxing demuxing and processing of AES EBU and HD SD SDI as well as analog audio and video products 16 Contact Us Contact Sierra Video Systems General Business Office and Technical Support PHONE Fax General Information E MAIL Sales Information POSTAL _ Sierra Video Systems SERVICE 530 478 1000 530 478 1105 Info sierravideo com Sales sierravideo com P O Box 2462 Grass Valley CA 95945 USA Visit us at the Sierra Video Systems website htto www sierravideo com e Online catalog e Related products and full product lines e Trade show information e Dealer information e Sierra Video Systems news 17
3. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case users will be required to correct the interference at their own expense Changes or modifications to this equipment not expressly approved by Sierra Video Systems could void the user s authority to operate this equipment Notice CANADA This Class A digital apparatus complies with Canadian ICES 003 Cet appareil numerique de classe A est conforme a la norme NMB 003 du Canada EUROPE This equipment is in compliance with the essential requirements and other relevant provisions of CE Directive 93 68 EEC INTERNATIONAL This equipment has been tested to CISPR 22 1997 along with amendments A1 2000 and A2 2002 and found to comply with the limits for a Class A Digital device This is a Class A product In domestic environments this product may cause radio interference in which case the user may have to take adequate measures Notice Maintenance User Serviceable Parts Routine maintenance to this openGear product is not required This product contains no user serviceable parts If th
4. an ESD event p gt m 0e o Susceptibility Important Safety Instructions This product is intended to be a component product of the openGear 8000 series frame Refer to the openGear 8000 series frame User Manual for important safety instructions regarding the proper installation and safe aution operation of the frame as well as its 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 arning connectors before servicing this area gt O gt 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 3 amp EMC Notices US FCC Part 15 This equipment has been tested and found to comply with the limits for a class A Digital device pursuant to part 15 of the FCC Rules
5. 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 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 ee Warning 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 Caution 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 z Z o O p This symbol is used to alert the user that an electrical or electronic device or assembly is susceptible to damage from
6. N OFF 12dBFS 4dBu 3 OFF ON 18dBFS 4dBu 4 OFF OFF 20dBFS 4dBu SW3 Tone Generator ON Generates 20dBFS line up tone This feature requires an input signal for reference The tone is 1Khz when input sample rate is 48K 2KHz at 96K and 4KHz at 192 K OFF Normal operation SW7 Default power up default parameter settings ON Get card parameters from non volatile memory ignore dip switch settings Configurable with Dashboard Control system OFF Get card parameters from the Dip switch SW8 Dashboard Enable ON Only card status is available on Dashboard users are prevented from changing parameters OFF Normal operation users have full access to the cards parameters 13 Specifications Technical Specifications DIGITAL INPUT Resolution Input Level Input Impedance transformer balanced Sampling Frequency Range DIGITAL OUTPUT Resolution Output Level Output Impedance Sampling Frequency Range Jitter ANALOG fs 48 kHz 0 dBFS 24 dBu Maximum Output Level Frequency Response Noise un weighted THD N Stereo Separation Output Impedance GENERAL Power Requirements Dimensions Weight 24 Bit 0 2 7 Vp p 750 110 Q HiZ 30 kHz to 192 kHz 24 Bit 1 V p p nominal 750 unbalanced 30 kHz to 192 kHz Less than 5 ns 24 dBu 0 2 dB 20 Hz to 20 kHz 84 dBu 20 Hz to 20 kHz lt 0 01 100 dB 20 Hz to 20 kHz 600 Balanced 12 V 4
7. Watts MAX 3 025 high x 12 800 deep approx 0 115 kg 0 252 Ibs Sierra Video Systems reserves the right to change performance specifications without prior notice 14 Warranty and Service Information Warranty and Repair Policy The openGear DAC 162 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 openGear DAC 162 proves to be defective in any way during this warranty period Sierra Video Systems reserves the right to repair or replace this piece of equipment with a unit of equal or superior performance characteristics Should you find that this openGear DAC 162 has failed after your warranty period has expired we will repair your defective product should suitable replacement components be available You the owner will bear any labor and or part costs incurred in the repair or refurbishment of said equipment beyond the FIVE 5 year warranty period In no event shall Sierra Video Systems be liable for direct indirect special incidental or consequential damages including loss of profits incurred by the use of this product Implied warranties are expressly limited to the duration of this warranty This openGear DAC 162 User Manual provides all pertinent information for the safe installation and operation of your openGear Product Sierra Video policy dictates that all repairs to th
8. ated Note that switching the EQ in and out can cause audible artefacts e Pressing the EQ Switch SW1 will activate the yellow EQ LED to indicate this feature is activated e While the EQ Switch SW1 is activated pressing it again will disable the EQ and the yellow EQ LED will go off LEDs The front edge of the card features LEDs that display the status of the input signals As selections are made in the menus refer the subsequent chapter for complete menu descriptions the LEDs display the status of the input signals Descriptions are provided in the following table Tbe ihe When on there is a valid AES EBU signal at the input Second When on a valid AES EBU signal is not present No Lock from the top Third from When on this indicates that the cable EQ has been inserted by EQ Yellow the top pressing SW1 or that feature has been enabled through Dashboard Com Green Fourth from When on this indicates that the DAC 162 is communicating to Activity the top Dashboard through the CAN bus Etro Fifth from When on this indicates that there is an error in the communications the top to Dashboard through the CAN bus Table 1 Status LED Descriptions 12 DIP switch settings SW 1 1 SW 1 2 SW3 SW4 SW5 SW6 SW7 SW8 ON OFF Figure 4 DIP Switch Table 1 Analog Output Level SW 1 1 SW 1 2 1 ON ON Mute 2 O
9. e s back plane Screw Hole Module Seating Slot Figure 2 Rear Module Installation 4 Align the top hole of the DAC 162 B with the screw hole on the top edge of the 8310 back plane 5 Using a Phillips driver and the supplied screw fasten the rear module to the 8310 back plane Do not over tighten All modules are installed using the same method above The following section contains a drawing of the DAC 162 B module Rear Module Options This is a drawing of the DAC 162 B rear module to be used in the 10 slot 8310 C frame only kog 9 3 S w lt z E ORO z p 2 0 N w lt N H 2 oO w lt AN LEFT2 AN RIGHT2 HAs Es eH eE AN LEFT1 AN RIGHT1 Figure 2 Rear Module 10 User Controls This chapter contains a description of the DAC 162 user controls e EQ Switch e LEDs e DIP Switch Settings User Controls Lock LED lt EQ Switch No Lock LED EQ LED 4 COM Activity LED 4 Error LED 4 pezoaal Figure 3 Card edge User Controls 11 EQ Switch SW1 The EQ Switch SW1 is used to insert the cable equalizer into the incoming AES EBU signal The DAC 162 can recover digital audio signals conforming to AES EBU specifications and transmitted over 75ohm coaxial cable up to 600 metres 2000 ft long without equalization For cable lengths in excess of 600 metres we recommend that the input equalization be activ
10. e module does not appear to be working properly please contact Technical Support using the numbers listed under the Contact Us section on the last page of this manual All openGear products are covered by a generous 5 year warranty and will be repaired without charge for materials or labor within this period See the Warranty and Repair Policy section in this manual for details 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 Sierra Video Systems 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 Introduction This chapter contains the following sections e Overview e Functional Block Diagram e Features e Documentation Terms Overview The DAC 162 is an AES EBU digital to analog audio converter designed for broadcast use It provides digital to analog audio conversion al
11. e openGear DAC 162 are to be conducted only by an authorized Sierra Video factory representative Therefore any unauthorized attempt to repair this product by anyone other than an authorized Sierra Video factory representative will automatically void the warranty Please contact Sierra Video Technical Support for more information In Case of Problems Should any problem arise with your openGear DAC 162 please contact the Sierra Video Technical Support Department Contact information is supplied at the end of this publication A Return Material Authorization number RMA will be issued to you as well as specific shipping instructions should you wish our factory to repair your openGear DAC 162 If required a temporary replacement module will be made available at a nominal charge Any shipping costs incurred will be the responsibility of you the customer All products shipped to you from Sierra Video Systems will be shipped collect The Sierra Video Technical Support Department will continue to provide advice on any product manufactured by Sierra Video beyond the warranty period without charge for the life of the equipment 15 Ordering Information Standard Equipment DAC 162 AES EBU Digital to Analog Audio Converter 75 Ohm Optional Equipment e DAC 1620M AES EBU Digital to Analog Audio Converter 75 Ohm Owner s Manual additional Owner s Manual DAC 162 B Single Card Rear Module 6 BNC 4 Phoenix Connector Rear Module
12. following sections e Static Discharge e Unpacking e Rear Module Options e Board Installation Static Discharge Whenever handling the DAC 162 and other related equipment please observe all static discharge precautions as described in the following note Static discharge can cause serious damage to sensitive oy semiconductor devices Avoid handling circuit boards in high static environments such as carpeted areas and ESD when wearing synthetic fiber clothing Always exercise Susceptibility proper grounding precautions when working on circuit boards and related equipment Unpacking Unpack each DAC 162 you received from the shipping container and check the contents against the packing list to ensure that all items are included If any items are missing or damaged contact your sales representative or Sierra Video Systems directly Rear Module Installation If you are installing the card into a slot with no rear module you should have ordered and received one of the DAC 162 B module You will need to install it in your 8310 frame before you can connect cables Use the following steps to install a rear module in an 8310 openGear frame 1 Refer to the openGear 8310 frame Owner s Manual to ensure that the frame is properly installed according to instructions 2 On the rear of the 8310 locate the card frame slot 3 As shown in Figure 2 seat the bottom of the rear module in the seating slot at the base of the fram
13. ong with AES EBU signal distribution The DAC 162 supports audio sampling frequencies from 30kHz to 192 kHz It converts the incoming AES EBU digital audio signal to a stereo analog audio signal using 24 bit conversion technology Cable equalization and reclocking techniques enable the DAC 162 to recover the incoming digital audio signal reliably The DAC 162 is designed for use in the openGear 8310 C series frames Functional Block Diagram AES OUT 1 gt AES OUT 2 AES OUT 3 lt S AESOUT4 Analog Right OUT 1 Analog Right OUT 2 Figure 1 Simplified Block Diagram of the DAC 162 Functions Features The following features make the DAC 162 the best solution for digital to analog audio conversion e Converts AES EBU digital to analog audio while providing AES EBU signal distribution e Cable equalization and data reclocking on the incoming AES EBU signal e 24 bit technology provides the highest quality signal conversion e Supports audio sampling frequencies from 30kHz to 192 kHz e 5 year warranty e Fits openGear 8310 C series frames Documentation Terms The following terms are used throughout this guide e Frame refers to the 8310 C frame that houses the DAC 162 card e Operator and User refer to the person who uses the DAC 162 e Board and Card refer to the DAC 162 card itself including all components and switches Installation and Setup This chapter contains the
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