Euphonix DM714 User's Manual
Contents
1. Euphonix MADI Converters Manual AM713 Analog to MADI MA703 MADI to Analog DM714 Digital to MADI MD704 MADI to Digital Document Revision 2 1 Release Date May 2005 Part Number 840 08416 02 Euphonix Inc ri 220 Portage Ave ne EDS ad Palo Alto California 94306 A Phone 650 855 0400 z Fax 650 855 0410 F Web http www euphonix com NS e mail info euphonix com In the interest of continued product development Euphonix Inc reserves the right to make improvements in this manual and the products it describes at any time without notice or obligation System 5 S5 Max Air PatchNet eMix EuCon R 1 Audio Deck Studio Hub are trademarks of Euphonix Inc 2002 Euphonix Inc All rights reserved worldwide No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language in any form by any means without written permission from Euphonix Inc Euphonix MADI Converters Operation Manual List of Figures Chapter 1 Chapter 2 Chapter 3 Table of Contents RE OE cn Ce EE EE ee vi IntrodietUorm nee 7 LL ok EE EE 7 1 2 DMTIAMDTIA ME EE EE i n 7 LS Piwer On Se UNCC ri 8 L SAN and Pre CA ONS een 8 1 4 1 220 230 240 VAC Operation 8 AM713 and MA703 Converters 11 AAN EE AE EE EE NE 11 22 A e EE EE 11 2 3 AM713 MA703 Front Panel eine nen 12 24 AM713 Rear PA2. clock The auto sensed Sample Rate Source can be overridden using the button on the front panel of the AM713 below the Sample Rate Source LEDs If neither AES nor Word Clock signals are present the AM713 uses its internal clock driven by crystals The default internal Sample Rate of the AM713 is 48 kHz This default internal rate can be overridden with the Sample Rate button on the front panel of the AM713 directly below the Sample Rate LEDs to 44 1 48 or 96 kHz MA703 The MA703 detects Sample Rate and Sample Rate Source like the AM713 with the following differences e Since the MA703 is always a slave to an external Sample Rate Source there is no internal Sample Rate Source setting e The MA703 can use MADI in addition to AES or Word Clock as a Sample Rate Source and detects the presence of these signals in the following order AES Word MADI When a signal is detected it immediately becomes the sample rate clock of the MA703 The auto sensed Sample Rate Source can be overridden with the Sample Rate Source button on the front panel of the MA703 below the Sample Rate Source LEDs 16 Euphonix MADI Converters Operation Manual AM713 and MA703 Converters 2 7 Specifications Lock range fine mode 300 ppm 12 varispeed of 44 1 and 48 kHz Above 50 kHz varispeed can adjust the nominal sample rate by 12 to 5 Audio Inputs 24 analog 4 aux channels 2 analog 2 digital Main Inputs 1 24 Electro
3. MADI Converters Operation Manual AM713 and MA703 Converters MADI Out BNC Outputs the digital audio signal e 1 24 Analog inputs e 25 26 Aux analog inputs e 27 28 Aux digital inputs NOTE 28 channels are always transmitted dual channels are not used 13 Euphonix MADI Converters Operation Manual AM713 and MA703 Converters 2 5 MA703 Rear Panel IGI Figure 2 3 MA703 Rear Panel Input Voltage Selector This red switch sets the unit to either 110 115 VAC or 220 230 240 VAC environments A fuse must also be changed for 220 230 240 VAC oper ation see page 6 Units are shipped set and fused for 110 115 VAC Power Connector IEC and Fuse Tray The IEC power connector accepts standard IEC power cords The fuse tray contains both the active and spare fuses See page 6 to learn how to change the fuse for 220 230 240 VAC operation Analog Outputs male XLR 24 balanced analog outputs on XLR connectors Output level is set from the front panel Auxiliary Analog Outputs male XLR Two balanced analog outputs on XLR con nectors Output level can is set from the front panel AES EBU Digital Outputs male XLR Stereo AES EBU digital outputs on one XLR connector Functions in parallel with the auxiliary S PDIF output and the two inputs should not be used simultaneously S PDIF Digital Outputs RCA Stereo S PDIF digital output o
4. bit Sample rate conversion automatically applied to non synchronous 44 1 or 48 kHz inputs with reduction to 20 bits 88 2 or 96 kHz not yet supported Group delay varies with sync frequency and inputs Aux Digital Inputs D1 2 ed en beled 110 Main Inputs 1 24 Aux Analog Inputs A1 2 Electronically balanced XLR 20 kQ input impedance Level for O dBFS Adjustable between 12 and 26 dBu in 2 dB steps Signal to Noise Ratio 105 dB unweighted THD 0 0005 Frequency Response 0 5 dB 20 Hz 20 kHz 48 kHz 1 kHz 4 dBu 2 5 dB 20 Hz 40 kHz 96 kHz CMRR gt 50 dB 20 Hz 20 kHz Crosstalk gt 110 dB 1 kHz gt 100 dB 20 Hz 20 kHz Group Delay 41 7 F 869 ms 48 kHz BNC 75 Q 28 channels at all sample rates Inputs mapped to channels 1 24 A1 2 to 25 26 D1 2 to 27 28 24 bit signal path MADI Output Automatic detection and conversion of asynchronous sample rates on digital Sample Rate Conversion inputs SRC automatically switched off for synchronous channels SRC Range 32 56 kHz 29 Euphonix MADI Converters Operation Manual DM714 and MD704 Converters Lock range fine mode 300 ppm custom mode 12 varispeed of 44 1 and 48 kHz BNC 75 Q 28 channels at all sample rates Outputs mapped to channels 1 24 A1 2 to 25 26 D1 2 to 27 28 24 bit signal path Audio Outputs 24 analog 4 aux channels 2 analog 2 digital Ma
5. 40 kHz 96 kHz CMRR gt 50 dB 20 Hz 20 kHz 110 dB 1 kHz gt Crosstalk gt 100 dB 20 Hz 20 kHz Group Delay 28 2 F 588 us 48 kHz Aux Digital Outputs D1 2 o e isolated 110 Digital Format professional or consumer internally switched Euphonix MADI Converters Operation Manual AM713 and MA703 Converters AM713 MA703 Technical Specifications Power Requirements 110 115 VAC or 220 230 240 VAC 50 or 60 Hz Power Consumption 50 W Temperature of Operation 5_35 C Dimensions Height 3 5 in Width 19 in Depth 18 25 in Weight 17 Ib 19 Euphonix MADI Converters Operation Manual AM713 and MA703 Converters 20 Euphonix MADI Converters Operation Manual Chapter 3 DM714 and MD704 Converters 3 1 3 2 Features AES EBU and Word Clock external sync inputs on both units provide synchronization to digital systems Sample Rate Source and Sample Rate are automatically sensed by both units Supported sample rates include 44 1 48 88 2 and 96 kHz In addition pull up and pull down rates for the standard sample rates as well as custom sample rates are available Four segment front panel LEDs monitor the input output signal strength LED meter segments indicate 42 18 6 green and 0 005 dBFS red The analog inputs and outputs can be calibrated from the front panel of each unit Applications The DM714 and MD704 can be used as 24 ch
6. 704 Converters 34
7. A703 Converters 2 1 2 2 Features Professional grade audio conversion is accomplished utilizing 128 times over sam pled noise shaped delta sigma techniques The analog to digital conversion em ploys a multi bit modular architecture while the digital to analog conversion employs a single bit modulator architecture Low jitter reference clocks are provid ed utilizing digital PLL techniques with VCXO and VCO oscillators The analog inputs and outputs can be calibrated from the front panel of each unit Four segment LEDs on the front panel monitor signal level LED meter segments indicate 42 18 6 green and 0 005 dBES red AES EBU and Word Clock external sync inputs on both units provide synchroniza tion to digital systems Sample Rate Source and Sample Rate are automatically sensed by both units Supported sample rates include 44 1 48 88 2 and 96 kHz In addition pull up and pull down rates for the standard sample rates as well as custom sample rates are available Applications In addition to their standard use in a Euphonix digital system the AM713 and MA703 can be used as stand alone converters when 24 48 or more channels of analog to MADI and or MADI to analog conversion is necessary 1 e interfacing an analog tape deck to a digital mixer When used with the Euphonix SH612 Studio Hub this is a powerful conversion and MADI routing system that can be used to interface between an analog console and an otherwise all
8. RC ee mn 14 23 MATOS Rear Panel nn un 16 2 0 a elek 18 2061 BMI em 18 202 MAN ee 18 2 OE OE EE EE EE 19 DM714 and MD704 Converter S ee ee ee ee Gee 23 AN EE EE EE EE EE RE en 23 N EE IR OE ER OD EE DE nb EO 23 3 3 DM 714 MD704 Front Panel manu 24 AAA damien 26 gt MAA Rear Panel ne ane 28 o ee cm ne nuit 30 361 DUI iii 30 M Un ir a one 30 A nae 31 3 8 DM714 Pinout for Female DB25 Connector 34 3 9 MD704 Pinout for Female DB25 Connector 35 Euphonix MADI Converters Operation Manual 2 1 22 28 3 1 33 a3 3 4 3 5 List of Figures AM 1 Front Panel sss eo cute 12 AMI IS Rear Pate aiii 14 MATOS Bear Panel aia 16 IR EA do de oo ie 24 DMA Res Panel RE IE EE EE N EE EE EE 26 MID 704 Bear Parel sam ia ae ER ERA IG ee 28 DIVE 14 Female DB25 CONECTE iss sedes in eurent 34 MD704 Female DB25 Connector ennuis 35 vi Euphonix MADI Converters Operation Manual Chapter 1 Introduction 1 1 1 2 AM713 MA703 The AM713 and MA703 converters provide MADI conversion to interface to from analog equipment such as consoles tape decks microphone preamplifiers and other analog devices Both converters are two rack spaces high and are housed in a stainless steel chassis with machined heavy aluminum front panels The AM713 converts incoming analog signals to 24 bit MADI digital signals that capture the input s complete dynamic range In addition to
9. annel digital interfaces in a Euphonix digital system or other situations requiring digital to MADI conversion These devices allow recording or transferring to from digital devices that are not compatible with MADI but have an AES EBU interface NOTE MADI cables can be extended to 50 m 164 ft allowing remote location of the converters 21 Euphonix MADI Converters Operation Manual DM714 and MD704 Converters 3 3 DM 714 MD704 Front Panel This section discusses both front panels and notes their few differences Figure 3 1 DM714 Front Panel Signal Strength LEDs Each of the 28 channels has a four segment LED that repre sents the following signal levels 42 dB 18 dB 6 dB green 05 dB red Trim Pot A trim pot adjusts the analog output level of channels Al and A2 between 12 and 26 dBu in 2 dB steps SR Conv The sample rate of all digital inputs is automatically detected and if asyn chronous converted to the system Sample Rate This process is independently applied to each stereo pair such that a combination of synchronous and asynchronous signals can be connected to the DM714 Sample rate conversion is switched off when synchro nous signals are detected The range of sample rate conversion is 32 56 kHz 88 2 or 96 kHz signals cannot be sample rate converted and are passed through if synchronous If non synchronous 88 2 or 96 kHz signals are detected the upper signal strength LED flashes red t
10. anually selects the Sample Rate Source The DM714 also allows manual selection of the Sample Rate Power Switch On Off switch NOTE There are no user serviceable parts in the converters 23 Euphonix MADI Converters Operation Manual DM714 and MD704 Converters 3 4 DM714 Rear Panel Figure 3 2 DM714 Rear Panel Input Voltage Selector This red switch allows the unit to operate in either 110 115 VAC or 220 230 240 VAC environments A fuse must also be changed for 220 230 240 VAC operation see page 6 Units are shipped set and fused for 110 115 VAC Power Connector IEC and Fuse Tray The IEC power connector accepts standard IEC power cords The fuse tray contains both the active fuse and a spare fuse for 220 230 240 VAC operation See page 6 for instructions on how to change the fuse for 220 230 240 VAC operation AES EBU Digital Inputs female XLR 12 AES EBU stereo inputs Parallel AES EBU Digital Inputs female DB25 Three 8 channel digital connectors function in parallel with XLR digital inputs and should not be used simultaneously with the XLR inputs See Figure 3 4 on page 32 for pinout diagram Auxiliary Analog Inputs female XLR Two balanced analog inputs on XLR connec tors Input sensitivity is set from the front panel Auxiliary AES EBU Digital Input female XLR Stereo AES EBU digital input on one XLR connector Functions in para
11. c In Word In BNC Master clock input for the converter when using Word Clock as Sample Rate Source Word Out BNC Outputs a Word Clock signal synchronized to the Sample Rate Source In the presence of an external Word clock input this connector provides a re generated version of the input signal Without an external sample rate source this connector outputs an internally generated clock signal 26 Euphonix MADI Converters Operation Manual DM714 and MD704 Converters MADI In BNC Digital audio signal input e 1 24 main digital outputs e 25 26 aux analog outputs e 27 28 aux digital outputs Bit Depth Reduction Sets the resolution to 16 20 or 24 bits for the main AES EBU channels 27 Euphonix MADI Converters Operation Manual DM714 and MD704 Converters 3 6 3 6 1 3 6 2 Synchronization DM714 The DM714 s Sample Rate is set externally by one of two source signals or internally by crystals and associated circuitry The Sample Rate Source is determined automati cally by the presence of signals when the DM714 is powered on The order in which external signals are tested for presence is AES Word Internal The detected signal immediately becomes the source for the DM714 s sample rate clock The auto sensed Sample Rate Source can be overridden using the button on the front panel of the DM714 below the Sample Rate Source LEDs If neither AES nor Word Clock signals are present the DM714 u
12. digital facility 1 e TV broadcast facility NOTE MADI cables can be extended to 50 m 164 ft allowing remote location of the converters Euphonix MADI Converters Operation Manual AM713 and MA703 Converters 2 3 AM713 MA703 Front Panel This section discusses both front panels and notes their few differences 0 PA seg Ext Bru ne ERF si B S EED ED EED GD ie o 328 A A 0 vs Figure 2 1 AM713 Front Panel Signal Strength LEDs Each of the 28 channels has a four segment LED that repre sents the following signal levels 42 dB 18 dB 6 dB green 0 05 dB red Trim Pots Access Three trim pots adjust the maximum analog input level of channels 1 8 9 16 and 17 24 in 2 dB steps between 12 and 26 dBu SR Conv This indicates sample rate conversion activity on the auxiliary digital inputs Sample Rate LEDs These LEDs indicate the sample rate to which the converter is cur rently locked Sample rates are auto sensed but can be manually selected on the AM713 Supported sample rates are 96 kHz 88 2 kHz 48 kHz 44 1 kHz and Custom rates from external sources Sample Rate Source LEDs These LEDs indicate the format of the Sample Rate Source to which the converter is currently locked Sample Rate Source can be auto sensed or manually selected If an external source is not detected the AM713 reverts to Internal sync the MA703 mutes its outputs If a manually selected
13. ear Panel Input Voltage Selector This red switch sets the unit to either 110 115 VAC or 220 230 240 VAC environments A fuse must also be changed for 220 230 240 VAC oper ation see page 6 Units are shipped set and fused for 110 115 VAC Power Connector IEC and Fuse Tray The IEC power connector accepts standard IEC power cords The fuse tray contains both the active and spare fuses See page 6 to learn how to change the fuse for 220 230 240 VAC operation AES EBU Digital Outputs female XLR 12 AES EBU stereo outputs Parallel AES EBU Digital Outputs female DB25 Three 8 channel digital connectors function in parallel with XLR digital outputs and the two outputs should not be used simultaneously See Figure 3 5 on page 33 for pinout diagram Auxiliary Analog Outputs male XLR Two balanced analog outputs on XLR con nectors Output level can is set from the front panel AES EBU Digital Outputs male XLR Stereo AES EBU digital outputs on one XLR connector Functions in parallel with the auxiliary S PDIF output and the two outputs should not be used simultaneously S PDIF Digital Outputs RCA Stereo S PDIF digital output on one RCA connector Functions in parallel with the auxiliary AES EBU output and the two outputs should not be used simultaneously AES Sync In female XLR Master clock input for the converter when using AES as the Sample Rate Source AES Sync Thru male XLR Outputs the same signal connected to AES Syn
14. igure 3 4 DM714 Female DB25 Connector Table 3 1 DM714 DB25 Pinout Pin Number Signal 1 6 no connect Digital in 7 8 or 15 16 23 24 GND Digital in 5 6 or 13 14 21 22 Digital in 3 4 or 11 12 19 20 GND Digital in 1 2 or 9 10 17 18 no connect Digital in 7 8 or 15 16 23 24 Digital in 5 6 or 13 14 21 22 GND Digital in 3 4 or 11 12 19 20 Digital in 1 2 or 9 10 17 18 GND NOTE The same pinout applies to the female DB25 connectors for channels 9 16 and 17 24 32 Euphonix MADI Converters Operation Manual DM714 and MD704 Converters 3 9 MD704 Pinout for Female DB25 Connector 25 14 Figure 3 5 MD704 Female DB25 Connector Table 3 2 MD704 DB25 Pinout Pih Signal Number 1 Digital out 7 8 or 15 16 23 24 2 GND 3 Digital out 5 6 or 13 14 21 22 4 Digital out 3 4 or 11 12 19 20 5 GND 6 Digital out 1 2 or 9 10 17 18 7 13 no connect 14 Digital out 7 8 or 15 16 23 24 15 Digital out 5 6 or 13 14 21 22 16 GND 17 Digital out 3 4 or 11 12 19 20 18 Digital out 1 2 or 9 10 17 18 19 GND 20 25 no connect NOTE The same pinout applies to the female DB25 connectors for channels 9 16 and 17 24 33 Euphonix MADI Converters Operation Manual DM714 and MD
15. in Outputs 1 24 AES on XLR transformer isolated 110 Q 24 bit User can truncate to 16 or 20 bit per stereo pair MADI Input Truncation Type Dithered or 1 order noise shaped internally switched Dither Type TPDF active only for 16 or 20 bit word length Digital Format Pro or Consumer internally switched Group Delay 3 F 63 ms 48 kHz AES XLR transformer isolated 110 Q Aux Digital Outputs D1 2 S PDIF RCA 75 Q Digital Format professional or consumer internally switched Aux Analog Outputs A1 2 Electronically balanced XLR 20 kQ input impedance Level for O dBFS Adjustable between 12 and 26 dBu in 2 dB steps Signal to Noise Ratio 101 dB unweighted THD 0 0003 Frequency Response 0 5 dB 20 Hz 20 kHz 48 kHz 1 kHz 4 dBu 2 5 dB 20 Hz 40 kHz 96 kHz Crosstalk gt 110 dB 1 kHz gt 100dB 20 Hz 20 kHz Group Delay 28 2 F 588 us 48 kHz 30 Euphonix MADI Converters Operation Manual DM714 and MD704 Converters AM713 MA703 Technical Specifications Power Requirements 110 115 VAC or 220 230 240 VAC 50 or 60 Hz Power Consumption 25W Temperature of Operation 5 35 C Dimensions Height 3 5 in Width 19 in Depth 18 25 in Weight 17 Ib 31 Euphonix MADI Converters Operation Manual DM714 and MD704 Converters 3 8 DM714 Pinout for Female DB25 Connector 25 14 F
16. llel with the auxiliary S PDIF input and the two inputs should not be used simultaneously Auxiliary S PDIF Digital Input RCA Stereo S PDIF digital input on one RCA con nector Functions in parallel with the auxiliary AES EBU input and the two inputs should not be used simultaneously AES Sync In female XLR Master clock input for the converter when using AES as Sample Rate Source AES Sync Thru male XLR Outputs the same signal connected to AES Sync In Word In BNC Master clock input for the converter when using Word Clock as Sample Rate Source 24 Euphonix MADI Converters Operation Manual DM714 and MD704 Converters Word Out BNC Outputs a Word clock signal synchronized to the Sample Rate Source In the presence of an external Word clock input this connector provides a re generated version of that input signal Without an external sample rate source this con nector outputs the internally generated clock signal MADI Out BNC Outputs the digital audio signal e 1 24 Main digital inputs e 25 26 Aux analog inputs e 27 28 Aux digital inputs NOTE 28 channels are always transmitted dual channels are not used 29 Euphonix MADI Converters Operation Manual DM714 and MD704 Converters 3 5 MD704 Rear Panel MD704 WORD LENGTH ns psi o YB el E E E E id DE IDEE Figure 3 3 MD704 R
17. n one RCA connector Functions in parallel with the auxiliary AES EBU output and the two inputs should not be used simultaneously AES Sync In female XLR Master clock input for the converter when using AES as the Sample Rate Source AES Sync Thru male XLR Outputs the same signal connected to AES Sync In Word In BNC Master clock input for the converter when using Word Clock as Sample Rate Source Word Out BNC Outputs a Word Clock signal synchronized to the Sample Rate Source In the presence of an external Word clock input this connector provides a regenerated version of the input signal Without an external sample rate source this connector outputs an internally generated clock signal 14 Euphonix MADI Converters Operation Manual AM713 and MA703 Converters MADI In BNC Digital audio signal input e 1 24 analog outputs e 25 26 aux analog outputs e 27 28 aux digital outputs 15 Euphonix MADI Converters Operation Manual AM713 and MA703 Converters 2 6 2 6 1 2 6 2 Synchronization AM713 The AM713 s Sample Rate is set externally by one of two source signals or internally by crystals and associated circuitry The Sample Rate Source is determined automati cally by the presence of signals when the AM713 is powered on The order in which external signals are tested for presence is AES Word Internal The detected signal immediately becomes the source for the AM713 s sample rate
18. nically balanced XLR 20 kQ input impedance custom mode Level for 0 dBFS Adjustable between 12 and 26 dBu in 2 dB steps Signal to Noise Ratio 105 dB unweighted THD 0 0005 Frequency Response 0 25 dB 20 Hz 20 kHz 48 kHz 1 kHz 4 dBu 2 5 dB 20 Hz 40 kHz 96 kHz CMRR gt 50 dB 20 Hz 20 kHz 110 dB 1 kHz gt Crosstalk gt 100dB 20 Hz 20 kHz Group Delay 41 7 F 869 us 48 kHz AES XLR transformer isolated 110 Q S PDIF RCA 75 Q Aux Digital Inputs D1 2 Aux Analog Inputs A1 2 same as main inputs BNC 75 0 28 channels at all sample rates MADI Output Inputs mapped to channels 1 24 A1 2 to 25 26 D1 2 to 27 28 24 bit signal path 17 Lock range fine mode 300 ppm 12 varispeed of 44 1 and 48 kHz c stom mode Above 50 kHz varispeed can adjust the nominal sample rate by 12 to 5 BNC 75 Q 44 1 48 kHz 56 channels 88 2 96 kHz 28 channels Outputs mapped to channels 1 24 A1 2 to 25 26 D1 2 to 27 28 24 bit signal path Audio Outputs 24 analog 4 aux channels 2 analog 2 digital MADI Input Main Outputs 1 24 Electronically balanced XLR 200 Q output impedance Level for 0 dBFS Adjustable between 12 and 26 dBu in 2 dB steps Signal to Noise Ratio 101 dB unweighted THD 0 0003 Frequency Response 0 25 dB 20 Hz 20 kHz 48 kHz 1 kHz 4 dBu 2 5 dB 20 Hz
19. o warn the user that the sample rate for those channels is not in sync with the system settings Sample rate conversion reduces the bit depth in a 24 bit signal to 20 bits Sample Rate LEDs These LEDs indicate the Sample Rate to which the converter is currently locked Sample Rates are auto sensed but can be manually selected on the DM714 Supported Sample Rates are 96 kHz 88 2 kHz 48 kHz 44 1 kHz and Custom Rates from external sources Sample Rate Source LEDs These LEDs indicate the format of the Sample Rate Source to which the converter is currently locked Sample Rate Source can be auto sensed or manually selected If an external source is not detected the DM714 reverts to Internal sync the MD704 mutes its outputs If a manually selected source is not present the Sample Rate Source indicator blinks 22 Euphonix MADI Converters Operation Manual DM714 and MD704 Converters e AES Sample Rate locked to AES Input e Word Sample Rate locked to Word Clock Input e Internal DM714 only Sample Rate locked to its own internal crystal e MADI MD704 only Sample Rate locked to MADI e Auto Sample Rate Source has been auto sensed These LEDs appear in the same order in which signals are tested for presence This detection procedure occurs when the converters are powered on The Sample Rate DM714 only and Sample Rate Source can also be selected manually Manual Selection Buttons The button below each Sample Rate LED row m
20. on reduces a 24 bit signal to 20 bits The MD704 converts incoming MADI signals to 24 digital output channels 12 AES EBU pairs In addition to the 24 analog outputs there are also two auxiliary analog out puts XLR and two auxiliary digital outputs S PDIF or AES EBU The main 24 out puts can be bit depth converted from 24 to 20 or 16 bits Euphonix MADI Converters Operation Manual Introduction 1 3 1 4 1 4 1 Power On Sequence We recommend powering up the converters only after verifying the presence of a val id sync signal After powering up the converters the meter LEDs flash briefly and the Sample Rate and Sample Rate Source LEDs blink as the converter senses the incoming Sample Rate source and Sample Rate We recommend monitoring the power up se quence to verify the converters have correctly auto sensed the desired Sample Rate Source and Sample Rate Safety and Precautions The AM713 MA703 MD704 and DM714 comply with CE s EN 60950 Electrical Safety Standards 220 230 240 VAC Operation NOTE Before connecting power to the converters change the fuse and voltage se lector to the appropriate 220 230 240 VAC settings The converters preserve their signal quality using linear power supplies that must be manually switched between 115 and 230 VAC The units are shipped set for 115 VAC Move the red two position switch near the power entry module of the converters to the 230 VAC position down f
21. or 220 230 240 VAC operation Each unit uses a 0 630 A fuse for 115 VAC operation To operate at 220 230 or 240 VAC install the spare 0 315 A fuse provided in the power entry module fuse holder To access both the active and the spare fuse 1 Turn the unit s power off 2 Remove the IEC power cable from the power entry module 3 Use a small screwdriver to open the fuse tray below the electrical inlet The active fuse is to the rear of the tray The spare fuse is in the tray slot closest to the front Pull the fuses through the plastic constriction point that holds them from falling out NOTE Never disconnect the safety ground to the converters Euphonix MADI Converters Operation Manual Introduction Power Cord Requirements The converters are supplied with North American IEC power cords If this cord is changed to allow a different plug configuration it is the responsibility of the user to se lect an approved power cord with proper construction material current capacity flexi bility and strength characteristics Cooling We strongly recommend providing adequate ventilation to the converters particularly when installed in a rack The AM713 and MA703 converters in particular should have space left above and below every two units so heat can properly dissipate Euphonix MADI Converters Operation Manual Introduction Euphonix MADI Converters Operation Manual Chapter 2 AM713 and M
22. ower connector accepts standard IEC power cords The fuse tray contains both the active fuse and a spare fuse for 220 230 240 VAC operation See page 6 for instructions on how to change the fuse for 220 230 240 VAC operation Analog Inputs female XLR 24 balanced analog inputs on XLR connectors Input sensitivity is set from the front panel Auxiliary Analog Inputs female XLR Two balanced analog inputs on XLR connectors Input sensitivity is set from the front panel AES EBU Digital Input female XLR Stereo AES EBU digital input on one XLR connector Functions in parallel with the auxiliary S PDIF input and the two inputs should not be used simultaneously S PDIF Digital Input RCA Stereo S PDIF digital input on one RCA connector Functions in parallel with the auxiliary AES EBU input and the two inputs should not be used simultaneously AES Sync In female XLR Master clock input for the converter when using AES as Sample Rate Source AES Sync Thru male XLR Outputs the same signal connected to AES Sync In Word In BNC Master clock input for the converter when using Word Clock as Sample Rate Source Word Out BNC Outputs a Word clock signal synchronized to the Sample Rate Source In the presence of an external Word clock input this connector provides a regenerated version of that input signal Without an external sample rate source this connector outputs the internally generated clock signal 12 Euphonix
23. ses its internal clock derived from on board voltage controlled crystal The default internal Sample Rate of the DM714 is 48 kHz This default internal rate can be overridden with the Sample Rate button on the front panel of the DM714 directly below the Sample Rate LEDs to 44 1 48 or 96 kHz MD704 The MD704 detects Sample Rate and Sample Rate Source like the DM714 with the following two differences e Since the MD704 is always a slave to an external Sample Rate Source there is no internal Sample Rate setting e The MD704 can use MADI in addition to AES or Word Clock as a Sample Rate Source and detects the presence of these signals in the following order AES Word MADI When a signal is detected it immediately becomes the sample rate clock of the MD704 The auto sensed Sample Rate Source can be overridden with the Sample Rate Source button on the front panel of the MD704 below the Sample Rate Source LEDs NOTE The converters occasionally do not lock to a 96 kHz AES Sync signal This condition can normally be remedied by cycling the converter s power discon necting and reconnecting the AES Sync signal or using Word Clock 28 Euphonix MADI Converters Operation Manual DM714 and MD704 Converters 3 7 Specifications Lock range fine mode 300 ppm custom mode 12 varispeed of 44 1 and 48 kHz Audio Inputs 24 analog 4 aux channels 2 analog 2 digital XLR transformer isolated 110 Q 24
24. source is not present the Sample Rate Source indicator blinks AES Sample Rate locked to AES Input e Word Sample Rate locked to Word Clock Input e Internal AM713 only Sample Rate locked to its own internal crystal e MADI MA703 only Sample Rate locked to MADI e Auto Sample Rate Source has been auto sensed These LEDs appear in the same order in which signals are tested for their presence This detection procedure occurs when the converters are powered on The Sample Rate AM713 only and Sample Rate Source can also be selected manually 10 Euphonix MADI Converters Operation Manual AM713 and MA703 Converters Manual Selection Buttons The button below each Sample Rate LED row manually selects the sample rate The AM713 also allows manual selection of the Sample Rate Source Power Switch On Off switch NOTE There are no user serviceable parts in the converters 11 Euphonix MADI Converters Operation Manual AM713 and MA703 Converters 2 4 AM713 Rear Panel DIGITAL ANALOG INPUTS Figure 2 2 AM713 Rear Panel Input Voltage Selector This red switch allows the unit to operate in either 110 115 VAC or 220 230 240 VAC environments A fuse must also be changed for 220 230 240 VAC operation see page 6 Units are shipped set and fused for 110 115 VAC Power Connector IEC and Fuse Tray The IEC p
25. the 24 XLR connectors for the analog inputs there are two auxiliary analog inputs XLR and two auxiliary digital inputs S PDIF or AES EBU only one digital connector can be used at a time The MA703 converts incoming MADI signals to 24 analog channels In addition to the 24 analog outputs there are also two auxiliary analog outputs XLR and two auxiliary digital outputs S PDIF or AES EBU Only one digital connector can be used at a time DM714 MD704 The DM714 and MD704 converters provide MADI conversion to interface to from digital AES EBU equipment such as digital multi track recorders digital audio work stations audio routers and facility patching systems Both converters are two rack spaces high and are housed in a stainless steel chassis with machined heavy aluminum front panels The DM714 converts incoming AES EBU digital audio to MADI In addition to the 24 input channels 12 AES EBU pairs there are two auxiliary analog inputs XLR and two auxiliary digital inputs S PDIF or AES EBU only one auxiliary digital connector can be used at a time Each main AES EBU input is automatically evaluated for sample rate conversion The incoming sample rate is compared with the internal rate If they are the same no conversion occurs If the rates differ sample rate conversion is activated and persists until a new input is applied or the internal sample rate changes The sample rate conversion range is 32 56 kHz Sample rate conversi
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