AVT MAGIC DAB Hardware/Software Description
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AVT MAGIC DAB Hardware/Software Description

Eti audio decoder
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MAGIC
ETI Audio Decoder
Hardware/Software Description

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Summary of Contents for AVT MAGIC DAB

  • Page 1 MAGIC ETI Audio Decoder Hardware/Software Description...
  • Page 3 M A G I C E T I A u d i o D e c o d e r H a r d w a r e / S o f t w a r e D e s c r i p t i o n...
  • Page 5 D-90411 Nürnberg Telephone +49-911-5271-0 Telefax +49-911-5271-100 Printed in Germany, August 2004 © AVT Audio Video Technologies GmbH 2004 All rights are reserved. Reproduction in whole or in parts is prohibited without the written consent of the copyright owner. The information contained in this publication is accurate to the best of our knowledge.

  • Page 7: Table Of Contents

    C o n t e n t SAFETY 9 Introduction 9 General safety requirements 9 Appearance of the safety instructions 10 1.3.1 Classification of safety instructions 10 1.3.2 Symbols 10 INTRODUCTION 12 MECHANICAL DESIGN 13 SYSTEM DESCRIPTION 15 The circuit „Interface Unit“ 16 The ISO/MPEG Decoder 18 CONFIGURATION OF THE SYSTEM 19 Configuration of the 2 Mbit/s (E1) Interface 19...
  • Page 8 7.6.2 Submenu Software Download 35 Menu Help 37 7.7.1 About ETI Decoder 37 Displaying of the 2-Mbit/s Status 38 Displaying of the ETI Status 40 7.10 Display of the System Alarm Counter 41 7.11 Displaying of the Service Organization 42 7.12 Status of the Subchannels 43 OPTION: SNMP AGENT 45...

  • Page 9: Safety

    S a f e t y S A F E T Y Introduction This system has been developed in line with the present state-of-the-art and fulfils the current national and international safety requirements. It is provided with a high degree of operational safety resulting from many years of develop- ment experience and continuous stringent quality checks in our company.

  • Page 10: Appearance Of The Safety Instructions

    S a f e t y Appearance of the safety instructions All safety instructions include a signal word that classifies the danger and a text block that contains descriptions of the type and cause of the danger, the consequences of ignoring the safety instruction and the measures that can be taken to minimise the danger.
  • Page 11 S a f e t y The safety instructions classified “Danger”, “Warning” and “Caution” always include a warning symbol, “Notice” and “Important” safety instructions some- times include a warning symbol. PA G E 11...

  • Page 12: Introduction

    I n t r o d u c t i o n I N T R O D U C T I O N The MAGIC ETI Audio Decoder allows the monitoring of DAB signals with ETI (NA,G.704) and ETI (NI,G.703) format. The system monitors all audio and data channels in the ETI data stream and can decode one audio channel.

  • Page 13: Mechanical Design

    M e c h a n i c a l D e s i g n M E C H A N I C A L D E S I G N The functions of the MAGIC ETI Decoder are integrated on a single PCB. The system is accommodated in a 19"...
  • Page 14 PAG E 1 4...

  • Page 15: System Description

    S y s t e m D e s c r i p t i o n S Y S T E M D E S C R I P T I O N The functional elements of the systems are shown in FIG. 2. FIG.

  • Page 16: The Circuit „Interface Unit

    S y s t e m D e s c r i p t i o n The circuit „Interface Unit“ The Interface Unit provides the data multiplexing, the generation and the processing of the ETI protocol, as well as the monitoring of the ISO/MPEG coded audio signals and the control of the network interface.
  • Page 17 S y s t e m D e s c r i p t i o n The Digital IO circuit generates the control signals for the operator circuit. Also the interface adaption is implemented in this circuit, as is also the case in Line, Data and Extension Bus circuits.

  • Page 18: The Iso/Mpeg Decoder

    S y s t e m D e s c r i p t i o n The ISO/MPEG Decoder The Audio Decoder can decode all ISO/MPEG Layer II and ISO/MPEG Layer III coded data streams, which comply with the ISO/IEC 11172-3 standard. The following modes are possible –...

  • Page 19: Configuration Of The System

    C O N F I G U R A T I O N O F T H E S Y S T E M Configuration of the 2 Mbit/s (E1) Interface Nearly all parameters of the MAGIC ETI Decoder system can be configured by the Windows PC software.

  • Page 20: Configuration Of The Headroom Of The Analogue Output

    Configuration of the headroom of the analogue output The jumpers for the configuration of the headroom are located as shown in FIG. 7. Before changing the settings please make sure, that the power supply cable is disconnected. The figure below shows the setting of the jumpers. The following settings can be selected: –...

  • Page 21: Configuration Of The Aes/Ebu Module

    Configuration of the AES/EBU Module If an AES/EBU module is fitted, the digital output of the ISO/MPEG Decoder can be used. There is no need of a hardware setting. The interface can be configured by PC software. It is possible to equip the AES/EBU module byself later. FIG.
  • Page 22 PAG E 2 2...

  • Page 23: Putting The Magic Eti Decoder Into Operation

    P u t t i n g i n t o o p e r a t i o n P U T T I N G T H E M A G I C E T I D E C O D E R I N T O O P E R A T I O N Mounting With dimensions (W ×...

  • Page 24: Signalling Leds

    P u t t i n g i n t o o p e r a t i o n Signalling LEDs There are six LEDs for signalling on the MAGIC ETI Decoder system. POWER green Lights up when the operating voltage (+5V only) is present. SYNC green Lights up when ISO/MPEG Decoder is synchronised.

  • Page 25: Connection Of The Eti Decoder In The Dab Network

    (STI-D/C) POWER SYNC CONNECT ALARM LEFT RIGHT DISC STI Audio Decoder DAB Source Encoder MAGIC-E DAB Source Encoder MAGIC-E MAGIC DAB Source Enc Possible Channel Configuration: TS 1 TS 2 TS 3 ..TS16 ..TS 30 TS 31 TS 0 G.704...

  • Page 26: Connection Of The Systems

    P u t t i n g i n t o o p e r a t i o n Connection of the Systems The following figure shows how the system should be connected. If possible, the balanced interface should be used, bcause longer distances with less dis- turbances can be achieved (see CHAPTER 5.1, Configuration of the 2 Mbit/s (E1) Interface).

  • Page 27: Windows Pc Software Eti Decoder

    W i n d o w s S o f t w a r e E T I D e c o d e r W I N D O W S P C S O F T W A R E E T I D E C O D E R The configuration of the system is possible with the delivered Windows PC Software.
  • Page 28 W i n d o w s S o f t w a r e E T I D e c o d e r Please follow the the instructions of the installation software. After installation you will find the ETI Decoder Icon to start the software. Connect your PC (RS232) via a Nullmodem cable (Pin 2 and Pin 3 is crossed, not delivered with the system) with the ETI Audio Decoder system.

  • Page 29: Elements Of The Graphical User Interface

    W i n d o w s S o f t w a r e E T I D e c o d e r Elements of the graphical user interface In the following figure all elements of the graphical user interface are de- scribed.

  • Page 30: Submenu Com Port

    W i n d o w s S o f t w a r e E T I D e c o d e r 7.5.1 Submenu Com Port If the message PC not connected appears, please check the selected COM port under the submenu Configuration ->...
  • Page 31 W i n d o w s S o f t w a r e E T I D e c o d e r The both 2-Mbit formats Double-Frame and CRC4-Multi-Frame depends from your 2-Mbit/s network. Remark Please ask for details your network provider. If you have connected the MAGIC System to the Rohde &...
  • Page 32 W i n d o w s S o f t w a r e E T I D e c o d e r 7.5.2.3 Configuration of the front buttons FIG. 16 CONFIGURATION OF THE FRONT BUTTONS Via the page Buttons you can lock the Front-Panel-Buttons. In this case you can’t change the decoded program using the front buttons.

  • Page 33: Submenu Administration Password

    W i n d o w s S o f t w a r e E T I D e c o d e r 7.5.2.5 Configuration of the Protocol Settings FIG. 18 CONFIGURATION OF THE PROTOCOL SETTINGS The ETI Decoder allows internal storage of up to 7000 alarms. The following settings are available: –...
  • Page 34 W i n d o w s S o f t w a r e E T I D e c o d e r PAG E 3 4...

  • Page 35: Menu Administration

    D e c o d e r Menu Administration 7.6.1 Submenu System Panel The submenu System Panel is only for Service purposes. Please use this panel only, if a service technician of AVT requested from you. FIG. 20 SYSTEM PANEL 7.6.2 Submenu Software Download Via the menu Administration ->...
  • Page 36 W i n d o w s S o f t w a r e E T I D e c o d e r FIG. 21 SOFTWARE DOWNLOAD PAG E 3 6...

  • Page 37: Menu Help

    W i n d o w s S o f t w a r e E T I D e c o d e r Menu Help 7.7.1 About ETI Decoder The menu Help -> About ETI Decoder shows the information window of the software.

  • Page 38: Displaying Of The 2-Mbit/S Status

    W i n d o w s S o f t w a r e E T I D e c o d e r Displaying of the 2-Mbit/s Status If the system is configured in the right way and the 2-Mbit is connected all LEDs of the 2-Mbit/s status lights green.
  • Page 39 W i n d o w s S o f t w a r e E T I D e c o d e r CLOCK This LED signals an error, if there is no clock signal available on the clock in- put of the system.

  • Page 40: Displaying Of The Eti Status

    W i n d o w s S o f t w a r e E T I D e c o d e r Displaying of the ETI Status Is the system synchronised to the ETI frame you can analyse the content of the ETI Status.

  • Page 41: Display Of The System Alarm Counter

    W i n d o w s S o f t w a r e E T I D e c o d e r 7.10 Display of the System Alarm Counter Using the page System Alarm Counter all alarms of the interface unit (IFE) will be shown.

  • Page 42: Displaying Of The Service Organization

    W i n d o w s S o f t w a r e E T I D e c o d e r 7.11 Displaying of the Service Organization The page Service Organization gives information about the structure of each service in the ETI data stream.

  • Page 43: Status Of The Subchannels

    W i n d o w s S o f t w a r e E T I D e c o d e r 7.12 Status of the Subchannels The list Subchannels shows all subchannels in the ETI data stream. FIG.
  • Page 44 W i n d o w s S o f t w a r e E T I D e c o d e r PAG E 4 4...

  • Page 45: Option: Snmp Agent

    A g e n t O P T I O N : S N M P A G E N T The SNMP Agent option (oder no. 800700) allows the MAGIC DAB ETI De- coder to be connected to a Network Management System.

  • Page 46: Putting The Snmp Agent Into Operation

    O p t i o n : S N M P A g e n t Putting the SNMP Agent into operation Please cable all components as shown in FIG. 28. In addition to the ETI De- coder Software you need to install the SNMP AGENT Software from your in- stallation CD.

  • Page 47: Configuration Of The Snmp Agent

    RS232/LAN converter is also possible: Via the menu Upgrade → Applica- tion you can load an application firmware (file name: Snmp4Eti.ap in the directory <installation path>\AVT SNMP Agent). The menu Up- grade → Kernel allows an update of the system software.
  • Page 48 RS232 Interface Parameter Please select under Port 1 and Port 2 the baud rate with which you operate the MAGIC DAB ETI Decoder. By default, 19200 Baud is selected. IP Parameter Under IP Parameter you can set the IP Address, the Netmask, the IP ad- dress of the Gateway and the Remote Ctrl.
  • Page 49 O p t i o n : S N M P A g e n t – The SNMP Agent allows the addressing of two different Network Manage- ment Systems. Please enter the corresponding IP Addresses under NMS IP Address 1 and NMS IP Address 2. –...
  • Page 50 – If an alarm is to be written in the MIB File, please activate the MIB (Ma- nagement Information Base) option. 1 Certain alarms are only listed for the reason of compatibility with other products, however, they are not important for the MAGIC DAB ETI Decoder. These alarms are marked with „#<nr>“. PAG E 5 0...
  • Page 51 O p t i o n : S N M P A g e n t – If additionally a Trap is to be generated when the alarm status chan- ges, please enable the option Generate Trap on change. Remark Changes need to be confirmed with the Modify button.

  • Page 52: Integration Into The Network Management System

    A g e n t Integration into the Network Management System To integrate the MAGIC DAB ETI Decoder into your Network Management System you need to import the MIB file AVT-ETI-DECODER.mib, which can be found in the installation directory of the SNMP Agent (<installa- tion directory>\AVT SNMP Agent), into your Mangement System.

  • Page 53: Remote Control Via Lan

    O p t i o n : S N M P A g e n t Remote Control via LAN With the SNMP Agent option you also have the possibility to control and mo- nitor the system via the network by using the ETI Decoder Software. Remark Please note that local control is always given priority over control via network.
  • Page 54 O p t i o n : S N M P A g e n t After pressing the OK button, the connection is being established. Remark If you cannot establish a connection via the network, maybe the port in the SNMP Agent needs to be configured via local control.

  • Page 55: Interfaces

    I n t e r f a c e s I N T E R F A C E S The following figure shows the rear view of the MAGIC ETI Decoder. FIG. 39 REAR VIEW OF THE SYSTEM E1/T1 SYM TS16/X.21 POWER 115/230V DATA IN DATA OUTCLOCK INCLOCK OUT...

  • Page 56: A1.1 E1(2-Mbit/S) Interface

    I n t e r f a c e s A1.1 E1(2-Mbit/s) Interface This interface supports up to 32 64-kbit/s channels using ITU recommenda- tion G.703/G.704. A1.1.1 Unbalanced E1 Interface TAB. 3 PIN ASSIGNMENT: UNBALANCED E1 INTERFACE Socket: Data in / Data out (BNC) Signal Electrical characteristics Data - F1 in / F1 out...

  • Page 57: A1.2 Ts16/X.21 Interface (Option)

    I n t e r f a c e s A1.2 TS16/X.21 Interface (Option) This interface can’t be used in the ETI variant. TAB. 6 PIN ASSIGNMENT: TS16 INTERFACE Socket: TS16 (SUB-D, 15-pole) Signal Electrical characteristics SHIELD Level: V.11 Range: max.

  • Page 58: Rs232C Interface

    I n t e r f a c e s A1.3 RS232C Interface The RS232C interface is for the configuration and monitoring of the MAGIC ETI Decoder system from a PC. TAB. 7 PIN ASSIGNMENT: RS232 INTERFACE Connector: RS232C (SUB-D, 9-pole) Signal Electrical characteristics not used...

  • Page 59: A1.5 Lsd Interface

    I n t e r f a c e s A1.5 LSD Interface The LSD interface is for the transmission of low speed data. This interface in this variant is not in use. TAB. 9 PIN ASSIGNMENT: LSD INTERFACE Socket: LSD (SUB-D, 9-pole) Signal Electrical characteristics Carrier Detect...

  • Page 60: Additional Data Interface

    I n t e r f a c e s A1.7 Additional Data Interface The Additional Data interface allows the output of the PAD (Program Associ- ated Data). Remark Functional Restriction Presently an output of PAD (Program Associated Data) is not implemented. TAB.

  • Page 61: A1.8 Aes/Ebu Interface

    I n t e r f a c e s A1.8 AES/EBU Interface The AES/EBU interface allows the transmission of digital audio data. TAB. 12 PIN ASSIGNMENT: AES/EBU INTERFACE Connector: AES/EBU (XLR) Signal Electrical characteristics Shield Level: V.11, balanced, earth free TXD a Transmit Data a Range:...

  • Page 62: A1.11

    I n t e r f a c e s A1.11 Extension Bus Interface The Extension Bus allows a cascading of two or more MAGIC systems. This function is in this variant not available. TAB. 16 PIN ASSIGNMENT: EXTENSION BUS INTERFACE Connector: Extension Bus (SUB-D, 25-pole) Signal Electrical characteristics...

  • Page 63: A2 Technical Data

    T e c h n i c a l D a t a T E C H N I C A L D A T A A2.1 Decoder Coding standard ISO/MPEG Layer II DAB EN 300401 2 × mono or 1 × stereo Number of channels Sampling Frequency 48-kHz...

  • Page 64: A2.2 Interface Unit With Multiplexer

    T e c h n i c a l D a t a A2.2 Interface unit with multiplexer Signalling/Synchronization ETI EN 300799, Ensemble Transport Interface - ETI (NA, G.704) 5592 - ETI (NA, G.704) 5376 - ETI (NI, G.703) DAB modes: I, II, III, IV Line interfaces 2.048-Mbit/s G.703/G.704...

  • Page 65: A3 General

    G e n e r a l G E N E R A L A3.1 Order Numbers MAGIC ETI Audio Decoder 800090 Accessoires AES/EBU Module 500007 PC cable 490003 A3.2 Delivery Range – MAGIC ETI Audio Decoder – Windows PC Software –...
  • Page 66 G e n e r a l PAG E 6 6...
  • Page 67 Application 47 Encoder 31 Audio 31 Ensemble Multiplexer 31 Audio Stream 50 Enterprise ID 52 Audio-Stream 32 Eprom 35 AVT-ETI-DECODER.mib 52 Error Level 40 Errors 43 ETI Decoder 45 ETI Mode 40 Beep 32 Exit 29 Block Diagram 45 Extension Bus 41...
  • Page 68 File 29 Frame Length 40 Framing 40 MAGIC 31 Freq. 43 Mains Front-Panel-Buttons 32 frequency 23 Fuse 24 voltage 23 Management Information Base MIB 50 Mode 43 G.703 64 Modify 51 G.704 64 module 21 Gateway 46 MONO 18 Generate Authentication Failure MPEG Decoder 50 Traps 49 Multiplexer 50...
  • Page 69 USER-I/O 58 Rate 43 Recovered Clock 30 red 38 Refresh 42 Remote Ctrl. Port 54 Rohde & Schwarz 31 RS232 45 SAD 43 Safety of operation 9 Sampling Frequency 43 SCID 43 Search 46 Search by IP 46 Serial 46 Service Component 42 Service Organization 42 SIGNAL 38...
  • Page 70 PA G E...

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