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CM-MD64_24-05-2023_Iss-1.docx     

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Appendix C 

Technical Specifications  

 

General Spe cific ati ons  

 

PSU 

2 x internal PSU s 

100-2 40V AC 50-6 0 Hz  

Output  requireme nts: +1 7 V,  -1 7 V, +12  V  

MADI 

MADI (AES10 compliant ) netwo rk bri dge with  up t o 64 bi -

directional c hann els at 4 8 kHz and  32 bi -directi o nal 

channels a t 96 kHz  

Operat es up t o 500 m ove r optic al fibre li nk and  2 00m 

coaxial copp er link  

Optical tra nsmission o n SC Duplex co nnecto rs  

Cooper t rans mission on  75 o hm co axial BNC con nectors  

MegaCOMMS  

2 x Cadac  MegaCO MMS  on:  

 

4 x BNC connecto rs  

Audio S pecificati on

 

Sample Rate  

96 kHz 

Processing Delay  

Sub 0.4 milliseco nd late ncy th rough  compl ete sig nal chain  

Intern al Processing  

40-bit flo ating  point  

ADC/DAC 

24-bit  

Frequ ency Resp onse  

20 Hz to 4 4 kHz + 0 .5 /  -1.5 dB  

THD+N 

better  than  0.005% @unity  gain, 1 0 dB inpu t at 1   kHz  

Channel Sep aratio n  

better  than  90 dB  

Residual Outp ut Noise  

< -90  dBu (20  Hz 

– 20 kHz) 

MIC EIN 

< -12 7 dB with 20 0 Ohm sourc e impe dance  

Maximum  Outpu t  

21 dBu  

Summary of Contents for CM-MD64

Page 1: ...CM MD64_24 05 2023_Iss 1 docx Page 1 31 Cadac MADI Network Bridge CM MD64 Hardware Overview...

Page 2: ...CM MD64_24 05 2023_Iss 1 docx Page 2 31 Left Intentionally Blank...

Page 3: ...Data Protocol 14 CM MD64 MADI Bridge Hardware Overview Front Panel 15 Front Panel 15 Connecting the Hardware 17 MegaCOMMS 17 System Connection Options 18 Setting up the CM MD64 for a MADI Network 22 F...

Page 4: ...nnel Servicing is required when the apparatus has been damaged in any way such as the power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparat...

Page 5: ...llow all warnings in this manual and those printed on the console The Network Bridge must be connected following the guidance in this manual Never connect power amplifier outputs directly to the unit...

Page 6: ...4_24 05 2023_Iss 1 docx Page 6 31 Declaration of Conformity The following pages show the individual declarations of conformity for both the CE and UKCA marks for the Cadac CM MD64 MADI audio network b...

Page 7: ...formance to the EMC Directive must be confirmed after installation by the final equipment installer For guidance with respect to test conditions please visit our website at https cadac sound com or co...

Page 8: ...er installation by the final equipment installer For guidance with respect to test conditions please visit our website at https cadac sound com or contact your local CADAC representative Signed for on...

Page 9: ...y leading low latency infrastructure It expands the audio performance and features developed over a 50 year period of innovation within large scale theatre and touring analogue desks and puts them wit...

Page 10: ...our operational areas 1 MegaCOMMS Ports MegaCOMMS audio interconnections available on two pairs of redundant BNC connections 2 MADI Channels Two MADI channels A and B each with BNC co axial and duplex...

Page 11: ...internal PSUs have an input range of 100 240 V AC 50 60Hz the output requirements are 17 V 17 V 12 V with a front mounted power switch The unit is designed to run off one PSU however when connected t...

Page 12: ...ailable CM MD64 1U MADI Network Bridge 64 inputs and outputs at 96 kHz 88 2 kHz 48 kHz or 44 1 kHz operation CM DT64 1U Dante Network Bridge 64 inputs and outputs at 96 kHz 88 2 kHz 48 kHz or 44 1 kHz...

Page 13: ...ports to provide the 64 input and output channel count at 96 kHz Each MADI stream has the option of BNC co axial for connection up to 100m or duplex optical LC ports for connections of up to 2km CM MD...

Page 14: ...iles via single mode fibre on optical In addition to audio and control data MegaCOMMS provides for accurate phase aligned clock distribution by embedding timing markers in the data stream This allows...

Page 15: ...agrams The optical connection can carry the audio stream up to a distance of 2km Each type of connector has a LED indicating successful receipt of data SG 3 Config The dip switch is used to set both t...

Page 16: ...d Clock set by a third party unit within MADI network that is connected to the MADI Ports 2 If both LEDS are OFF the CM MD64 is acting as the Word Clock for the network 9 Word Clock IN Word Clock OUT...

Page 17: ...nsoles have two pairs of BNC sockets plus two optical ports for MegaCOMMS The two paths A and B carry identical and synchronous data and can be used in various ways depending on whether system redunda...

Page 18: ...oaxial cable runs do not exceed 100m and fibre optic cables do not exceed 2km When using redundancy the optical and coaxial runs from the console to the unit s must not exceed 2km or 100m respectively...

Page 19: ...e of similar length Cadac CM J series SR series stage rack Coaxial Cable Run 100m Fibre Optic Cable Run 2 km CM MD64 System below using one CM MD64 using coaxial cables only NOTE With the system setup...

Page 20: ...e Optic Cable Run 100m NOTE With the system setup above MegaCOMMS PORT A on the CM MD64 and stage rack MUST be connected to the console The coaxial cables linking the console to the racks must be of s...

Page 21: ...ack Coaxial Cable Run 100m Coaxial Cable Run Linking CM MD64 and CM SR 100m CM MD64 NOTE With the system setup above MegaCOMMS PORT A on the first stage rack MUST be connected to the console Cadac CM...

Page 22: ...Switch Mode ON OFF DIP 1 MADI Channel Stream 1 COAX RX OPTICAL RX DIP 2 MADI Channel Stream 2 COAX RX OPTICAL RX DIP 3 Clock Speed 96 kHz 48 kHz DIP 4 SYNC EXTERNAL INTERNAL DIP 5 SYNC Source WORD CLO...

Page 23: ...rty MADI unit which is running at either 48 kHz or 96 kHz into a MegaCOMMS network System 1 Cadac Console and Stage Rack running 64 bi directional channel 48 kHz MADI stream to a Third Party MADI unit...

Page 24: ...ADI streams to a Third Party MADI unit via the CM MD64 The system is also running a second pair of MegaCOMMS to the CM MD64 as a back up Cadac SR Stage Rack Third Party MADI unit A B A B MegaCOMMS Por...

Page 25: ...ning two 32 bi directional channel 96 kHz MADI streams to a Third Party MADI unit via the CM MD64 Third Party MADI unit MegaCOMMS Ports Cadac CM MD64 Cadac console MegaCOMMS Ports Channels 1 64 at 48...

Page 26: ...t6 To update the FPGA follow the instructions below Set the network card on the PC to IP address 169 254 1 2 and the subnet mask to 255 255 0 0 Power cycle the unit Power off wait 5 seconds power on C...

Page 27: ...Iss 1 docx Page 27 31 When the FPGA Has Been Programmed Power cycle the CM MD64 Power off wait 5 seconds power on Wait 8 10 seconds and LEDs should illuminate on the front of the unit The CM MD64 is n...

Page 28: ...link Optical transmission on SC Duplex connectors Cooper transmission on 75 ohm coaxial BNC connectors MegaCOMMS 2 x Cadac MegaCOMMS on 4 x BNC connectors Audio Specification Sample Rate 96 kHz Proce...

Page 29: ...CM MD64_24 05 2023_Iss 1 docx Page 29 31 Dimensions and Weights Weight 4 5kg 9 92lb approx 3 3 4 4 5 5 6 6 7 7 8 8 Designed by Checked by ProtecT1650 44 00 482 60 252 50 43 60 441 00 14 96...

Page 30: ...CM MD64_24 05 2023_Iss 1 docx Page 30 31 Notes...

Page 31: ...s publication may be reproduced in any form or by any means whether mechanical or electronic without the written permission of Cadac Due to Cadac s policy of continual improvement Cadac reserves the r...

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