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AVT MAGIC DAB, Hardware/Software Description

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A Publication of:

AVT Audio Video Technologies GmbH

Nordostpark 12

D-90411 Nürnberg

Tel49-911-5271-0

T49-911-5271-100

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. 

However, we disclaim any liability resulting from 

the use of this information and reserve the right 

to make changes without notice.

Summary of Contents for MAGIC DAB

Page 1: ...MAGIC ETI Audio Decoder Hardware Software Description...

Page 2: ......

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 4: ......

Page 5: ...o 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...

Page 6: ......

Page 7: ...UTTING THE MAGIC ETI DECODER INTO OPERATION 23 6 1 Mounting 23 6 2 Connection to the mains voltage 23 6 3 Signalling LEDs 24 6 4 Operating Keys on the front panel 24 6 5 Replacing the fuse 24 6 6 Conn...

Page 8: ...4 Remote Control via LAN 53 A1 INTERFACES 55 A1 1 E1 2 Mbit s Interface 56 A1 1 1 Unbalanced E1 Interface 56 A1 1 2 Balanced E1 Interface 56 A1 2 TS16 X 21 Interface Option 57 A1 3 RS232C Interface 58...

Page 9: ...echnically unavoidable residual risk to a minimum it is imperative to observe the following rules Transport storage and operation of the unit system must be under the permissible conditions only Insta...

Page 10: ...rked in this way do not describe a danger but rather contain remind ers tips and general information to ensure optimum operation of the system 1 3 2 Symbols The following warning symbols are used Sign...

Page 11: ...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...

Page 12: ...ignals 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 The system can be configured using a simple Win...

Page 13: ...unctions of the MAGIC ETI Decoder are integrated on a single PCB The system is accommodated in a 19 housing 1 U It can also be mounted in an ETSI rack FIG 1 FRONT VIEW MAGIC ETI DECODER POWER CONNECT...

Page 14: ...PAGE 14...

Page 15: ...he system is equipped with the optional AES EBU module The intgrated Sample Rate Converter SRC synchronises the audio signal to a connected external clock Alternatively the clock can also be supplied...

Page 16: ...ulti Frame format The Double Frame format corresponds exactly with FIG 3 In the CRC4 Multi Frame format a so called check bit is transmitted as the first bit of the frame alignment word The ETI NA G 7...

Page 17: ...n this circuit as is also the case in Line Data and Extension Bus circuits The user data will be transmitted via pro grammable logic to the data processing DSPs FIG 4 BLOCK DIAGRAM OF THE INTERFACE UN...

Page 18: ...ion The MAGIC Encoding Systems support seamless switching of audio modes and audio data rates However the switching of half sampling frequencies 24 kHz in DAB by the encoder can only be realised with...

Page 19: ...networks All settings are for the 2 Mbit input 2 Mbit output clock input and clock output To open the system please remove the four front screws and the screw on the left side Then you can remove the...

Page 20: ...cable is disconnected The figure below shows the setting of the jumpers The following settings can be selected 6 dB Headroom and 10 dB Headroom The factory setting is 6 dB headroom since the MAGIC En...

Page 21: ...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 l...

Page 22: ...PAGE 22...

Page 23: ...he MAGIC system can be operated with a voltage mains between 90 and 253 V without the need for switching The mains frequency can vary between 45 Hz and 65 Hz The power consumption is a maximum of appr...

Page 24: ...signal level is greater than 24 dBr below the configured nominal output level of the decoder 6 4 Operating Keys on the front panel The three keys on the front panel allows one to select the audio pro...

Page 25: ...ITH THE ETI AUDIO DECODER Remark If you use the looped 2 Mbit output a break in the ETI Audio Decoder will re sult in an interruption in the ETI transmission path The loop in the ETI Audio Decoder wil...

Page 26: ...EXTENSION BUS USER I O HSD LSD RS232C TS16 X 21 E1 T1 SYM ADD DATA LEFT OUTPUT RIGHT DATA IN DATA OUTCLOCK INCLOCK OUT E1 E1 Configuration Loudspeaker Alarm Signalling via Relais Ensemble Multiplexer...

Page 27: ...800 x 600 pixel at least one free serial interface RS 232 Microsoft IBM PS 2 or 100 software compatible mouse 7 2 Installation of the Windows PC Software Insert the CD included in delivery in your dis...

Page 28: ...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 de...

Page 29: ...ER 7 4 Menu File 7 4 1 Submenu Exit Via the submenu File Exit the program will be closed 7 5 Menu Configuration Basic configuration of the system After booting the system and connection with a PC you...

Page 30: ...figuration of the Line interface FIG 14 CONFIGURATION OF THE LINE INTERFACE The page Line Interface allows the configuration of the 2 Mbit s interface As reference clock you should normally select Rec...

Page 31: ...ock the output of the digital audio signal will be synchronised to the internal clock Using the analog output interface you can adapt the Output Level from 20 dBu to 12 dBu seven different levels are...

Page 32: ...can t change the decoded program using the front buttons Activating the Beep you will hear on each pressing of a button a short beep 7 5 2 4 Configuration of the default decoded Audio Subchannel FIG...

Page 33: ...arms in the protocol list With Set Time of ETI Decoder you can set the Decoder time to the PC time If the time is available in the ETI stream the sytem will decode the time infor mation automatically...

Page 34: ...PAGE 34 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...

Page 35: ...new firmware to the system The actual software you will find in the internet http www avt nbg de If you have download a new software from the internet you must first install the new software on your...

Page 36: ...PAGE 36 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 FIG 21 SOFTWARE DOWNLOAD...

Page 37: ...r e E T I D e c o d e r 7 7 Menu Help 7 7 1 About ETI Decoder The menu Help About ETI Decoder shows the information window of the software Here you can check the actual software versions of the diffe...

Page 38: ...This LED signals an error if there is no HDB3 coded signal on the 2 Mbit line SYNChronisation This LED signals an error if there is no framing G 704 on the 2 Mbit signal Alarm Indication Signal This...

Page 39: ...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 This alarm can only occured if you have configured the clock source to...

Page 40: ...Fast Information Channel is included into the ETI Data stream you will get a message under FIC included The next text fields informs you about the DAB Mode the Frame Length the ETI Mode and the actua...

Page 41: ...the ISO MPEG Decoder is realized via the proprietary Extension Bus of the system If there are errors in the communication between the units the error counter No communication with Audio Decoder will...

Page 42: ...eam Is a component selected the detailed informa tion of the Service Component will be shown in the right window A double click to an audio component allows the listening of the corresponding audio pr...

Page 43: ...y Units CU The last columns informs you about the data rate Rate the coding mode Mode the sampling frequency Freq the status of the Copyright and Origi nal Bits which are part of the ISO MPEG header T...

Page 44: ...PAGE 44 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...

Page 45: ...local system control and monitoring a PC with ETI Decoder Software can be connected to the second RS232 interface Port 2 of the SNMP Agent The LAN interface of the SNMP Agent is connected with the ne...

Page 46: ...ect the desired SNMP Agent and then click on the Configuration menu In the configuration dialog you can adjust the following settings2 Ethernet all relevant network settings Serial the parameters of t...

Page 47: ...e desired baud rate default setting 19200 Baud In the status line of the ETI Decoder Software the message PC Connected is displayed The SNMP settings can now be configured under Configuration Sy stem...

Page 48: ...ameter you can set the IP Address the Netmask the IP ad dress of the Gateway and the Remote Ctrl Port Except for the port these settings are identical with the settings in the SNMP AGENT Admin Softwar...

Page 49: ...with the name in your Management System By default the name trap is used If a trap is to be generated when wrong community names are used please enable the option Generate Authentication Failure Trap...

Page 50: ...munication between the system and the SNMP Agent is faulty e g power supply error in the system Under No the index of the alarm is displayed for each type In the Name column you will find a more detai...

Page 51: ...certain changes in the SNMP Agent it needs to be restarted In this way all connections are disconnected Please establish the connection again by remote control via TCP IP by pressing the Connect butto...

Page 52: ...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 FIG 36 MIB FILE ABS...

Page 53: ...ort Please press the Switch to TCP IP Control Interface button to activate the control interface via TCP IP FIG 37 COM PORT CONFIGURATION FOR TCP IP ACCESS In the following dialog you enter the Port D...

Page 54: ...the network maybe the port in the SNMP Agent needs to be configured via local control Please press under Configuration Com Port the Switch to RS232 Control Interface button Select the COM Port of the...

Page 55: ...rear view of the MAGIC ETI Decoder FIG 39 REAR VIEW OF THE SYSTEM All interfaces are described in detail in the following POWER 115 230V 0 I EXTENSION BUS USER I O HSD LSD RS232C TS16 X 21 E1 T1 SYM A...

Page 56: ...NT UNBALANCED CLOCK INTERFACE Socket Clock in Clock out BNC Pin Signal Electrical characteristics 1 Data T3 in T3 out Amplitude 0 5 1 9 V0p Input 1 5 V0p Output Impedance 75 unbalanced Range 100 m 2 G...

Page 57: ...D Level V 11 Range max 100 m 2 TXa Transmit a to network 3 Ca Control a to network 4 RXa Receive a from network 5 la Indication from network 6 CLKa Clock from network 7 B_CLKa Byte clock from network...

Page 58: ...Signal Electrical characteristics 1 not used Type DTE Level V 24 Data rate 300 to 38400 Baud Range max 15 m Protocol 1 start bit 7 or 8 data bitsa 1 parity bitb 1 stop bit a Pre setting 8 Bits b The...

Page 59: ...ata 3 TxD Transmit Data 4 DTR Data Terminal Ready 5 GND Ground 6 DSR Data Set Ready 7 RTS Request To Send 8 CTS Clear to Send 9 RI Ring Indication TAB 10 PIN ASSIGNMENT HSD INTERFACE Socket HSD SUB D...

Page 60: ...nctional Restriction Presently an output of PAD Program Associated Data is not implemented TAB 11 PIN ASSIGNMENT ADDITIONAL DATA INTERFACE Connector Additional Data SUB D 9 pole Pin Signal Electrical...

Page 61: ...tput The socket CMD Input has no function TAB 12 PIN ASSIGNMENT AES EBU INTERFACE Connector AES EBU XLR Pin Signal Electrical characteristics 1 Shield Level V 11 balanced earth free Range max 100 m 2...

Page 62: ...tartbit 8 Data bits 1 Parity bit 1 Stop bit Data Rate 19200 Bd 2 TXa Transmit Data a 3 Ca Control a 4 RXa Receive Data a 5 CLK48a Clock 256x48 kHz a 6 CLKa Clock Receive a 7 8 GND Ground 9 TXb Transmi...

Page 63: ...a Interface RS232 for PAD1 Error recognition CRC16 in ISO MPEG data stream Analogue Outputs Electronically balanced Audio Interface XLR Impedance 600 Level selectable 20 to 12 dBu Headroom 6 dB 10 dB...

Page 64: ...400 Baud V 24 asynchronous HSD1 64 128 kbit s V 11 level balanced User interfaces PC control max 38400 Baud V 24 asynchronous TTL signalling 5 In outputs TTL level programmable Alarm interface 3 poten...

Page 65: ...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 Power cable Adhesive feets ETS...

Page 66: ...PAGE 66 G e n e r a l...

Page 67: ...oadcast Search 46 Buttons 32 C Capacity Units 43 CLOCK 39 CMD Input 61 CMD Output 61 Coding mode 43 COM Port 30 53 Com Port 30 Configuration 29 30 46 CONNECT LED 24 Copyright 43 CRC Errors 35 CRC4 Mul...

Page 68: ...ock 32 Low 31 LSD 64 M MAGIC 31 Mains frequency 23 voltage 23 Management Information Base 50 MIB 50 52 Mode 43 Modify 51 module 21 MONO 18 MPEG Decoder 50 Multiplexer 50 N N Alarm 38 Name 50 Net Mask...

Page 69: ...38 Signalling LEDs 24 Size 43 SNMP 45 53 SNMP Agent 45 50 SNMP AGENT Admin 46 47 48 Snmp4Eti ap 47 Software Download 35 Start 35 Static IP 46 Status 38 40 41 43 STEREO 18 Subchannels 43 Switch to TCP...

Page 70: ...PAGE 70...

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