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User's Manual

2. Typical application

2.1. Digital snake (32 channels)

The diagram below shows a typical application of the ADAT Multicore Extender: One Cat5 cable is
used for both the transmission of 24 channels from the stage to the mix console, and 8 channels in the

opposite direction. All 32 channels are also fed into a monitor console and into a multitrack recorder.
Other examples setups can be found in chapter

10. Example applications.

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Summary of Contents for ADX-32A

Page 1: ...Application Systems www appsys ch ADAT Multicore Extender ADX 32A ADX 64A PRO User s Manual ...

Page 2: ...k ADX 64A PRO only 9 8 Settings 10 8 1 Cat5 Termination 10 8 2 Transmission direction ADAT 1 4 10 8 3 Transmission direction ADAT 5 8 ADX 64A PRO only 11 8 4 Channel 5 mode selection ADAT or Wordclock 11 8 5 Wordclock termination 11 9 Wordclock synchronization 13 9 1 General concept 13 9 2 Wordclock synchronization over ADAT 13 9 3 Wordclock synchronization over coaxial cable 13 10 Example applica...

Page 3: ...verview 1 1 Front panel The connectors Cat5 Connection 2 are only available in the 64 channel version ADX 64A PRO 1 2 Rear panel The connectors ADAT 5 8 WC are only available in the 64 channel version ADX 64A PRO ...

Page 4: ...e ADAT Multicore Extender One Cat5 cable is used for both the transmission of 24 channels from the stage to the mix console and 8 channels in the opposite direction All 32 channels are also fed into a monitor console and into a multitrack recorder Other examples setups can be found in chapter 10 Example applications 4 ...

Page 5: ...rovides ADAT pass through on the same device This allows the connection of additional monitoring equipment or can be used as wordclock source Compatible with all data formats using TOSLINK optical connectors ADAT Optical ADAT Lightpipe 24bit 48kHz ADAT S MUX Double Speed DS 24bit 96kHz ADAT S MUX4 Quad Speed QS 24bit 192kHz SPDIF AC 3 DTS etc Ruggedized 19 aluminium rack case Quality product Made ...

Page 6: ...g Cat5 allows much longer distances than POFs Especially Cat5 cables are as Ethernet cables commonly used and very economic many buildings have Cat5 cables laid out already Also bending is not a problem and for harsh environments like stage use there is a selection of specially designed cable assemblies and cable reels available often using ruggedized Neutrik EtherCon connectors Cat5 cable consist...

Page 7: ...chnologies in order to attenuate the jitter Well designed equipment is no more sensitive to sampling jitter regarding audio quality On the other hand when jitter occurs on an interface used for the transmission of the data e g when used with an ADAT interface it s called interface jitter This kind is much less critical since it only has an audible effect if its value is so large that it prevents t...

Page 8: ...ination NOTE Redundant connections the connection of two units with two cables over A and B at the same time are not supported This would lead to signal loops causing undefined current flow 6 2 Cat5 Connection 2 ADX 64A PRO only Cat5 cable carrying ADAT connections 5 8 and the wordclock signal Jacks A and B are electrically paralleled Depending on the number of jacks used the push button Terminati...

Page 9: ...upplied with power 7 2 ADAT 1 4 ADAT Lightpipe inputs and outputs 1 4 The direction TX or RX must be set using the DIP switches see 8 2 Transmission direction ADAT 1 4 7 3 ADAT 5 8 Wordclock ADX 64A PRO only ADAT Lightpipe Inputs Outputs 5 8 and wordclock Input Output The direction TX or RX must be set using the DIP switches see 8 2 Transmission direction ADAT 1 4 Channel 5 can either be used as A...

Page 10: ...tem appears to function properly But reliability and immunity to noise is sig nificantly decreased because signals reflections can occur with missing termination or the transmitters get overloaded with too many terminations Please ensure therefore that the termination settings are correct under any circum stances If you re using the system in the same setup all time you may use scotch tape to fix ...

Page 11: ...eration it is important to set the wordclock termination using DIP switch 5 accordingly Do not confuse with Cat5 termination switchable on the front side An ADAT Multicore Extender connected to the end of the wordclock coaxial cable must have set the termination to ON DIP switch 5 ON If it is connected in the middle of a coaxial cable using a T type connector the wordclock termination must be set ...

Page 12: ...nd terminated is possible if the transmitter device is located at the other end of the cable and has the advantage of lowering the driver s load However if you have the ADAT Multicore Extender connected in the middle of the cable both ends must be terminated 12 ...

Page 13: ... ADAT streams with the master clock timing embedded and all slaves can extract the embedded wordclock from the stream Please refer to your equipment s manual to ensure the appropriate wordclock source setting of the device If ADAT synchronization is used no additional wordclock cabling is required Use the local loopback feature see 8 2 Transmission direction ADAT 1 4 to break out additional ADAT s...

Page 14: ...User s Manual 10 Example applications 10 1 Digital 16 16 multicore 14 ...

Page 15: ...ADX 32A ADX 64A PRO 10 2 Digital 24 8 multicore Wordclock Sync over ADAT 15 ...

Page 16: ...User s Manual 10 3 Digital 40 16 multicore Wordclock Sync over dedicated coaxial cable 16 ...

Page 17: ...put Output acts as loopback 2 ADAT 2 direction Output Input Output acts as loopback 3 ADAT 3 direction Output Input Output acts as loopback 4 ADAT 4 direction Output Input Output acts as loopback 5 No function 6 No function Rear panel ADAT 5 8 WC 1 ADAT 5 Wordclock direction Output Input Output acts as loopback in ADAT mode 2 ADAT 6 direction Output Input Output acts as loopback 3 ADAT 7 direction...

Page 18: ... 8 channels ADAT Lightpipe 192kHz 24bit S MUX4 QS when using 4 optical connections per 8 channels S PDIF up to 96kHz 24bit AC3 Dolby Digital 5 1 DTS other formats which can be transmitted over TOSLINK up to 13 2 Mbit s NRZ encoding All 4 transmission lines work completely independent of each other This means different data formats sample rates resolutions etc can be transmitted at the same time Wi...

Page 19: ...nnections 5 8 Cat5 protection Short circuit protected Electrostatic discharge ESD protection 15 kV according to IEC 61000 4 2 Power supply 8 24V DC 5W Polarity inner positive Plug type ID 2 5mm OD Ø 5 5mm Length 9mm Supplied DC adapters are isolated from earth Cat5 cable shield is connected to GND Temperature range Operation 32 F 140 F 0 C 60 C Storage 14 F 140 F 10 C 60 C Dimensions 19 rack 1HE 6...

Page 20: ...ful damage normal wear out especially of the connectors or connection with incompatible devices like Ethernet equipment or third party power supplies 13 2 Contact Application Systems Dipl Ing FH Rolf Eichenseher Bullingerstr 63 BK241 CH 8004 Zürich Switzerland www appsys ch info appsys ch Tel 41 22 550 05 42 13 3 About this document ADAT is a registered Trademark of Alesis Corp TOSLINK is a regist...

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