Euphonix MADI MI715 User manual

Euphonix MADI Converters Manual
MI715Analog/AEStoMADI,MO705MADItoAnalog/AES
DocumentRevision:1.1
ReleaseDate:Jan,2009
PartNumber:840‐10631‐01
EuphonixInc.
220PortageAve.
PaloAlto,California94306
Phone:650‐855‐0400
Fax:650‐855‐0410
e‐mail:[email protected]
Web: http://www.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
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TableofContents
Chapter1: Introduction..................................................................................................... 4
1.1 MI715/MO705......................................................................................... 4
1.2 PowerOnSequence ................................................................................. 5
1.3 SafetyandPrecautions............................................................................ 5
1.3.1 220,230,240VACOperation..................................................... 5
Chapter2: MI715andMO705Converters .................................................................. 7
2.1 Features.................................................................................................... 7
2.2 Applications............................................................................................. 7
2.3 MI715/MO705FrontPanel ...................................................................... 8
2.4 MI715RearPanel ..................................................................................... 9
2.5 MO705RearPanel ................................................................................. 11
2.6 Synchroniztion........................................................................................12
2.6.1MI715...................................................................................... 12
2.6.2 MO705 ..................................................................................... 12
2.7 Specifications ......................................................................................... 13

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Chapter1:Introduction
1.1 MI715/MO705
TheMI715andMO705convertersprovideMADIconversiontointerfaceto/from
analogandAESequipmentsuchasconsoles,tapedecks,microphonepreamplifiers
andotherdevices.Bothconvertersaretworackspaceshighandarehousedinastain‐
lesssteelchassiswithmachined,heavyaluminumfrontpanels.
TheMI715convertsincominganalogsignalsto24‐bitMADIdigitalsignalsthatcapture
theinput’scompletedynamicrange.EachmainAES/EBUinputisautomaticallyevaluat‐
ed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con‐
version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.Inadditiontothe8XLRcon‐
nectorsforanaloginputsand8XLRconnectors/2D‐SubconnectorsforAESinputs.The
MO705convertsincomingMADIsignalsto8analogchannelsand8AESstereopairs.
The 16 digital outputs (8 pair) can be bit-depth converted from 24 to 20 or 16 bits.

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1.2 PowerOnSequence
Werecommendpoweringuptheconvertersonlyafterverifyingthepresenceofa
validsyncsignal.Afterpoweringuptheconverters,theSampleRateandSampleRate
SourceLEDsblinkastheconvertersensestheincomingSampleRatesourceandSam‐
pleRate.Werecommendmonitoringthepower‐upsequencetoverifytheconverters
havecorrectlyauto‐sensedthedesiredSampleRateSourceandSampleRate.
1.3 SafetyandPrecautions
TheMI715andMO705complywithCE’sEN60950ElectricalSafetyStandards.
1.3.1 220,230,240VACOperation
NOTE: Beforeconnectingpowertotheconverters,changethefuseandvoltageselector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)for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clos‐
est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.

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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
selectanapprovedpowercordwithproperconstructionmaterial,currentcapacity,
flexibility,andstrengthcharacteristics.
Cooling
Westronglyrecommendprovidingadequateventilationtotheconverters,particular‐
lywheninstalledinarack.TheMI715andMO705convertersinparticularshouldhave
spaceleftaboveandbeloweverytwounitssoheatcanproperlydissipate

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ChapterϮ:MI715/MO705Converters Features
Professionalgradeaudioconversionisaccomplishedutilizing128timesover‐sampled
noise‐shapeddelta‐sigmatechniques.Theanalogtodigitalconversionemploysa
multi‐bitmodulararchitecturewhilethedigitaltoanalogconversionemploysasingle‐
bitmodulatorarchitecture.Low‐jitterreferenceclocksareprovidedutilizingdigital
PLLtechniqueswithVCXOandVCOoscillators.
Theanaloginputsandoutputscanbecalibratedfromthefrontpanelofeachunit.
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.
Ϯ.Ϯ Applications
InadditiontotheirstandarduseinaEuphonixdigitalsystem,theMI715andMO705
canbeusedasstand‐aloneconverters.WhenusedwiththeEuphonixSH612Studio
Hub,thisisapowerfulconversionandMADIroutingsystemthatcanbeusedtointer‐
facebetweenananalogconsoleandanotherwiseall‐digitalfacility(i.e.,TVbroadcast
facility).
NOTE: MADIcablescanbeextendedto50m(164ft),allowingremotelocationofthecon‐
verters.

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Ϯ.ϯMI715/MO705FrontPanel
Thissectiondiscussesbothfrontpanelsandnotestheirfewdifferences.
TrimPotsAccess:Onetrimpotadjussthemaximumanaloginput/outputlevelof
channels1–8in2‐dBstepsbetween+12and+26dBu.
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MI715revertstoInternal
sync;theMO705mutesitsoutputs.Ifamanuallyselectedsourceisnotpresent,the
SampleRateSourceindicatorblinks.
•AES:SampleRatelockedtoAESInput.
•Word:SampleRatelockedtoWordClockInput.
•Internal(MI715only):SampleRatelockedtoitsowninternalcrystal.
•MADI(MO705only):SampleRatelockedtoMADI.
•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(MI715only)andSampleRateSourcecanalsobeselectedmanually.ManualSe‐
lectionButtons:ThebuttonbeloweachSampleRateLEDrowmanuallyselectsthe
samplerate.TheMI715alsoallowsmanualselectionoftheSampleRateSource.
PowerSwitch:On/Offswitch.
NOTE: Therearenouser‐serviceablepartsintheconverters.

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Ϯϰ MI715RearPanel
MA715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5).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.
AnalogInputs(femaleXLR):8balanced,analoginputsonXLRconnectors.Inputsen‐
sitivityissetfromthefrontpanel.
AES/EBUDigitalInput(femaleXLR):8StereoAES/EBUdigitalinputonXLRconnectors
ParallelAES/EBUDigitalInputs(femaleDB25):Two8‐channeldigitalconnectors
functioninparallelwithXLRdigitalinputs,andshouldnotbeusedsimultaneously
AESSyncIn(femaleXLR):MasterclockinputfortheconverterwhenusingAESasSam‐
ple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Sam‐
ple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.

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MADIOut(BNC):Outputsthedigitalaudiosignal.
•1–8: Analoginputs
•9–24: AESinputs


Euphonix MADI Converters Operation Manual MI715/MO705 Converters Features
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Ϯϱ MA705ReaƌPanel
Figure 1-1 MA705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):8balancedanalogoutputsonXLRconnectors.Outputlev‐
elissetfromthefrontpanel.
AES/EBUDigitalOutputs(maleXLR):8StereoAES/EBUdigitaloutputsononeXLR
connector.
ParallelAES/EBUDigitalOutputs(femaleDB25):Two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.
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Sam‐
ple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.
MADIIn(BNC):Digitalaudiosignalinput.
•1–8: analogoutputs
•9–24: AESoutputs

Euphonix MADI Converters Operation Manual MI715/MO705 Converters Features
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ϮϲSynchronization
Ϯϲ.1 MI715
TheMI715’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automatically
bythepresenceofsignalswhentheMI715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MI715’ssamplerate
clock.Theauto‐sensedSampleRateSourcecanbeoverriddenusingthebuttononthe
frontpaneloftheMI715,belowtheSampleRateSourceLEDs.IfneitherAESnorWord
Clocksignalsarepresent,theMI715usesitsinternalclockderivedfromon‐boardvolt‐
age‐controlledcrystal.
ThedefaultinternalSampleRateoftheMI715is48kHz.Thisdefaultinternalratecan
beoverriddenwiththeSampleRatebuttononthefrontpaneloftheMI715(directly
belowtheSampleRateLEDs)to44.1,48or96kHz.
Ϯϲ.2 MO705
TheMO705detectsSampleRateandSampleRateSourceliketheMI715withthe
followingtwodifferences:
• SincetheMO705isalwaysaslavetoanexternalSampleRateSource,thereis
nointernalSampleRatesetting.
•TheMO705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
MO705.Theauto‐sensedSampleRateSourcecanbeoverriddenwiththeSampleRate
SourcebuttononthefrontpaneloftheMO705,belowtheSampleRateSourceLEDs.

Euphonix MADI Converters Operation Manual MI715/MO705 Converters Features
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2.7 Specifications
MI715 Performance Specifications
Sync Sources AES, word clock, internal
Sync Outputs AES thru and word clock out
Sync Detection Auto or switched
Internal Sample Rate 44.1, 48, 88.2, 96 kHz ±50 ppm
Lock range
fine mode 300 ppm
custom mode 12% varispeed of 44.1 and 48 kHz
Above 50 kHz, varispeed can adjust the nominal sample rate by -12 to +5%
Audio Inputs 8 analog, 16 AES (8 AES Pairs)
Analog Inputs (1–8) Electronically balanced XLR; 20 kinput impedance
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
(1 kHz @ +4 dBu) 0.25 dB 20 Hz – 20 kHz @ 48 kHz -2.5 dB 20 Hz – 40 kHz @ 96 kHz
CMRR >50 dB 20 Hz – 20 kHz
Crosstalk -110 dB @ 1 kHz
-100dB 20 Hz – 20 kHz
Group Delay 41.7/Fs(869 s @ 48 kHz)
AES Inputs (9-24) XLR, transformer isolated, 110 , 24-bit Group delay varies with sync frequency
and inputs
MADI Output BNC 75 
24 channels at all sample rates
Inputs mapped to channels 1–24, 24-bit signal path

Euphonix MADI Converters Operation Manual MI715/MO705 Converters Features
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MO705 Performance Specifications
Sync Sources AES, word clock, MADI
Sync Outputs AES thru and word clock out
Sync Detection Auto or switched
Internal Sample Rate 44.1, 48, 88.2, 96 kHz ±50 ppm
Lock range
fine mode 300 ppm
custom mode 12% varispeed of 44.1 and 48 kHz
Above 50 kHz, varispeed can adjust the nominal sample rate by -12 to +5%
MADI Input
BNC 75 
44.1/48 kHz: 56 channels
88.2/96 kHz: 28 channels. Outputs mapped to channels 1–24, 24-bit signal
path
Audio Outputs 8 analog,16 AES
Analog Outputs (1–8) Electronically balanced XLR; 200 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
(1 kHz @ +4 dBu) 0.25 dB 20 Hz – 20 kHz @ 48 kHz -2.5 dB 20 Hz – 40 kHz @ 96 kHz
CMRR >50 dB 20 Hz – 20 kHz
Crosstalk -110 dB @ 1 kHz
-100 dB 20 Hz – 20 kHz
Group Delay 28.2/Fs(588 s @ 48 kHz)
AES Outputs (9–24) AES on XLR, transformer isolated, 110 , 24 bit
User can truncate to 16- or 20-bit per stereo pair
Truncation Type Dithered or 1st 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/Fs(63 μs @ 48 kHz)
AES (XLR), transformer isolated, 110 
.
Digital Format professional or consumer (internally switched)

Euphonix MADI Converters Operation Manual MI715/MO705 Converters Features
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IM715/MO705 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 lb

In the interest of continued product development, Euphonix reserves the right to make
improvements in this manual and the product it describes at any time, without notice or
obligation.
System 5, S5, PatchNet, eMix, EuCon, R1, Studio Hub, Audio Deck, Max Air, Reel Feel,
Clear Displays, Track Panner, SnapShot Recal, DSC (Digital Studio Controller), Hyper-
Surround, Total Automation and Mix View are trademarks of Euphonix, Inc.
©2009Euphonix, 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 of Euphonix, Inc.
Manual written by Jay Spears and Eddie Jones
Note: 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. 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 the user will be required to correct
the interference at his own expense.
Caution: Any changes or modifications made by the user that are not expressly approved
by Euphonix could void the user’s right to operate the equipment.

IMPORTANT SAFETY INSTRUCTIONS
The lighting flash with arrowhead symbol within an equilateral triangle, is intended to alert
the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure
that may be of sufficient magnitude to constitute a risk of electrical shock to persons.
The exclamation point within an equilateral triangle, is intended to alert the user to the
presence of important operating and maintenance (servicing) instructions in the literature
accompanying the product.
1) Read these instructions.
2) Keep these instructions.
3) Heed all warnings.
4) Follow all instructions.
5) Do not use this apparatus near water.
6) Clean only with a dry cloth.
7) Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8) Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus
(including amplifiers) that produce heat.
9) Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has
two blades with one wider than the other. A grounding type plug has two blades and a third
grounding prong. The wider blade or the third prong are provided for your safety. If the provided
plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10) Protect the power cord from being walked on or pinched particularly at plugs, convenience
receptacles, and the point where they exit from the apparatus.
11) Only use attachments/accessories specified by the manufacturer.
12) Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold
with the apparatus. When a cart is used, use caution when moving the cart/apparatus combi-
nation to avoid injury from tip-over.

13) Unplug this apparatus during lightning storms or when unused for long periods of time.
14) Refer all servicing to qualified service personnel. Servicing is required when the apparatus has
been damaged in any way, such as power-supply cord or plug is damaged, liquid has been
spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or
moisture, does not operate normally, or has been dropped.
15) WARNING – TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.
16) Do not expose this equipment to dripping or splashing and ensure that no objects filled with
liquids, such as vases, are placed on the equipment.
17) To completely disconnect this equipment from the AC Mains, disconnect the power supply
cord plug from the AC receptacle.
18) The mains plug of the power supply cord shall remain readily operable.
19) This unit is provided with a power supply cord set suitable for 120V AC input only (for U.S.A.
and Canada). For other than U.S.A. and Canada, a qualified person must provide for use with
this unit, an appropriate, approved power supply cord set which is in compliance with the end
use country requirements and has a minimum cross-sectional area of 1.0mm2.
20) For units with more than one power cord:
Caution: This unit has more than one power supply cord. Disconnect two power supply
cords before servicing to avoid electrical shock.
Attention: Cet appareil comporte plus d’un cordon d’alimentation. Afin de prévenir les
chocs électriques, débrancher les deux cordons d’alimentation avant de faire le
dépannage.
21) Operator Accessible Fuse:
Caution: For continued protection against risk of fire, replace only with same type and
rating of fuse.
Attention: Pour ne pas compromettre la protection contre les risques d’incendie, remplacer
par un fusible de même type et de même caractéristiques nominales.