User`s Manual Caddy
Contents
1. input allows the unit to work with a sample rate of 16kHz 22 05kHz 32kHz 44 1kHz or 48kHz AES 11 EXTERNAL SYNC The AES 11 sync input signal connection is 1 GND 2 SYNC IN 3 SYNC IN The AES 11 sync output connection allows conversion to be synchronized with another CADDY or another piece of equipment 1 GND 2 SYNC OUT 3 SYNC OUT If several CADDY units are being used in the same system even though they all work with a default of 48kHz one will have to be used as a master and the rest with external sync to avoid jitter or lag in the conversion edges in the different units CADDY 6 Multichannel AD amp DA Converter 4 2 A D Conversion In the A D conversion stage analog stereo audio signals are converted to AES EBU 24 bit digital signals with the sample rate established by the external or internal sync signal The maximum input signal range to the converters is 22dBu The input impedance is greater than 6Kohms and balancing is electronic The signals enter at two DB25 female connectors STEREO CHANNELS 7 12 STEREO CHANNELS 1 6 Boooooooo00004 IN Bo 000000 0 0 0 0 6 05227 O O 67 O FEMALE 25 14 25 14 ANALOG The analog input connections are ANALOG IN STEREO CHANNELS 1 6 ANALOG IN STEREO CHANNELS 7 12 IN1L PIN1 IN7L PIN1 IN1L PIN14 IN7L PIN14 IN1R PIN2 IN7R PIN2 IN1R PIN 15 IN7R PIN 15 IN2L PIN3 IN8L PIN3 IN2L PIN 16 IN8L PIN 16 IN2R PIN4 IN8R PINA IN2R PIN 172. residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense CADDY Multichannel AD amp DA Converter 13
3. BU signals are converted to 12 analog stereo signals by means of D A conversion It is important to know the sample rate used in these external signals and the internal work rate default 48kHz External AES EBU signals can arrive at the CADDY input with any sample rate as CADDY has a sample rate converter circuit at each AES EBU digital input called SRC sample rate converter In the optimum operating range these SRCs can synchronize with rates that are three times higher or three times lower Thus when working at 48kHz the optimum range of sample rates for these signals would be between 48 3 16kHz and 48 3 144kHz AES EBU signals with rates lower than 16kHz or higher than 144kHz will be converted although some sporadic errors or faults may occur The AES EBU digital inputs enter through two DB25 female connectors FEMALE STEREO CHANNELS 7 12 13 1 9000000000000 000000000000 25 14 DIGITAL AES EBU The digital input connections are DIGITAL IN STEREO CHANNELS 1 6 IN AES 1 IN AES 1 IN AES 2 IN AES 2 IN AES 3 IN AES 3 IN AES 4 IN AES 4 IN AES 5 IN AES 5 IN AES 6 IN AES 6 SHIELD PIN 1 PIN 2 PIN 3 PIN 4 PIN 5 PIN 6 PIN 7 PIN 8 PIN 9 PIN 10 PIN 11 PIN 12 SHELL IN AES 7 IN AES 7 IN AES 8 IN AES 8 IN AES 9 IN AES 9 IN AES 10 IN AES 10 IN AES 11 IN AES 11 IN AES 12 IN AES 12 SHIELD CADDY Multichannel AD amp DA Converter STE
4. IN8 R PIN 17 IN3L PIN5 IN9L PIN5 IN3L PIN 18 IN9L PIN 18 IN3R PIN6 IN9R PING IN3R PIN 19 IN9R PIN 19 IN4L PIN7 IN 10 L PIN7 INAL PIN20 IN 10 L PIN 20 IN4R PINS IN 10 R PIN 8 INAR PIN21 IN 10 R PIN 21 IN5L PIN9 IN 11 L PIN9 IN5L PIN22 IN 11 L PIN 22 IN5R PIN10 IN 11 R PIN 10 IN5R PIN 23 IN 11 R PIN 23 INGL PIN11 IN 12L PIN 11 INGL PIN24 IN 12 L PIN 24 IN6R PIN 12 IN 12 R PIN 12 IN6R PIN25 IN 12 R PIN 25 GND SHIELD GND SHIELD CADDY 7 Multichannel AD amp DA Converter The AES EBU digital outputs corresponding to these inputs are obtained in two DB25 male connectors 1 1 1 MALE wen en STEREO CHANNELS 7 12 STEREO CHANNELS 1 6 The digital output connections are DIGITAL OUT STEREO CHANNELS 1 6 DIGITAL OUT STEREO CHANNELS 7 12 OUT AES 1 PIN 1 OUT AES 7 PIN 1 OUT AES 1 PIN 2 OUT AES 7 PIN 2 OUT AES 2 PIN 3 OUT AES 8 PIN 3 OUT AES 2 PIN 4 OUT AES 8 PIN 4 OUT AES 3 PIN 5 OUT AES 9 PIN 5 OUT AES 3 PIN 6 OUT AES 9 PIN 6 OUT AES 4 PIN 7 OUT AES 10 PIN 7 OUT AES 4 PIN 8 OUT AES 10 PIN 8 OUT AES 5 PIN 9 OUT AES 11 PIN 9 OUT AES 5 PIN 10 OUT AES 11 PIN 10 OUT AES 6 PIN 11 OUT AES 12 PIN 11 OUT AES 6 PIN 12 OUT AES 12 PIN 12 SHIELD SHELL The format of these signals is AES EBU 24 bit with 48KHz sample rate or the one dictated by the external sync signal CADDY 8 Multichannel AD amp DA Converter 4 3 D A Conversion The 12 AES E
5. REO CHANNELS 1 6 13 A S0o00000000000 000000000000 25 14 DIGITAL IN STEREO CHANNELS 7 12 PIN 1 PIN 2 PIN 3 PIN 4 PIN 5 PIN 6 PIN 7 PIN 8 PIN 9 PIN 10 PIN 11 PIN 12 SHELL Once the signals have been converted into analog signals they are obtained at two DB 25 male connectors 1 13 1 0 0 0 00 0 0 e 2 0 0 0 00 0 e 0000 2 0 0 0 o 0 e ee 0 e 0 0 0 0 0 0 00 14 25 1 STEREO CHANNELS 7 12 STEREO CHANNELS 1 6 The analog output connections are ANALOG OUT STEREO CHANNELS 1 6 ANALOG OUT STEREO CHANNELS 7 12 OUT1L PIN 1 OUT7L PIN 1 OUT1L PIN 14 OUT7L PIN 14 OUT1R PIN 2 OUT7R PIN 2 OUT 1 R PIN 15 OUT 7 R PIN 15 OUT 2L PIN 3 OUT8L PIN 3 OUT2L PIN 16 OUT8L PIN 16 OUT2R PIN 4 OUT8R PIN 4 OUT2R PIN 17 OUT 8 R PIN 17 OUT3L PIN 5 OUT9L PIN 5 OUT 3L PIN 18 OUT9L PIN 18 OUT3R PIN 6 OUT9R PIN 6 OUT3R PIN 19 OUT9R PIN 19 OUT4L PIN 7 OUT 10 L PIN 7 OUT 4L PIN 20 OUT 10 L PIN 20 OUT 4R PIN 8 OUT 10 R PIN 8 OUTAR PIN 21 OUT 10R PIN 21 OUT5L PIN 9 OUT 11L PIN 9 OUT5L PIN 22 OUT 11L PIN 22 OUT5R PIN 10 OUT 11 R PIN 10 OUT5R PIN 23 OUT 11R PIN 23 OUT6L PIN 11 OUT 12L PIN 11 OUT6L PIN 24 OUT 12L PIN 24 OUT6R PIN 12 OUT 12R PIN 12 OUT 6 R PIN 25 OUT 12 R PIN 25 GND SHIELD GND SHIELD CADDY 10 Multichannel AD amp DA Converter 5 TECHNICAL CHARACTERISTICS 24 physical analog audio inputs with electronic balancing 24 physical analog audio out
6. a RR r I No caddy AD amp DA CONVERTER Multichannel AD amp DA Converter USER S MANUAL ED 09 01 V 1 1 14 05 2014 CONTENTS EQUIPMENT DESCRIPTION 1 1 BASIC DESIGN CONCEPTS 1 2 FUNCTIONAL SPECIFICATIONS EQUIPMENT POWER SUPPLY DESCRIPTION OF BACK PANEL AND CONNECTION OPERATION 4 1 SYNCHRONISM 4 2 A D CONVERSION 4 3 D A CONVERSION TECHNIGAL CHARACTERISTICS A E Q GUARANTEE ADITTIONAL INFORMATION CADDY Multichannel AD amp DA Converter AEQ 1 EQUIPMENT DESCRIPTION 1 1 Basic design concepts The CADDY AD DA converter includes in a single rack unit 12 converters that transform 2 analog audio channels to one AES EBU AES 3 digital stereo audio channel and 12 converters that transform one AES EBU AES 3 digital stereo audio channel to two analog audio channels FUNCTIONAL DIAGRAM nn 12 Converters ANALOG AUDIO Converter A D AES 3 fs 2 AES 11 fs AES 11 fs SRC AES 3 fsn mm fs Converter ANALOG D A Berner 12 Converters 1 2 Functional specifications It has excellent audio quality 24 bits per sample dynamic range greater than 100dB audio distortion level THD N less than 80dB and analog audio level up to 22dBu It has a sample rate converter SRC at all digital inputs allowing AES EBU signals with sample rates between 32 and 96kHz It has a high integration level 12 each A D and D A converters in only one rack unit CADDY 3 Multichannel AD amp DA Con
7. ee will not be applicable in the following situations improper use or Contrary use of the product as per the User or Instruction Manual violent manipulation exhibition to humidity or extreme thermal or environmental conditions or sudden changes of such conditions electrical discharges or lightning oxidation modifications or not authorized connections repairs or non authorized disassembly of the product spill of liquids or chemical products 6 Under no circumstances whether based upon this Limited Guarantee or otherwise shall AEQ S A be liable for incidental special or consequential damages derived from the use or from the impossibility of using the product AEQ shall not be liable for loss of information in the disks or data support that have been altered or found to be inexact neither for any accidental damage caused by the user or other persons manipulating the product CADDY 12 Multichannel AD amp DA Converter 7 ADITTIONAL INFORMATION NOTE This equipment complies 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
8. ight of the client 2 The period of guarantee is defined to be twelve natural months starting from the date of purchase of the product by the first client To be able to apply to the established in this guarantee it is compulsory condition to inform the authorized distributor or to its effect an AEQ Sales office or the Technical Service of AEQ within thirty days of the appearance of the defect and within the period of guarantee as well as to facilitate a copy of the purchase invoice and serial number of the product It will be equally necessary the previous and expressed conformity from the AEQ Technical Service for the shipment to AEQ of products for their repair or substitution in application of the present guarantee In consequence return of equipment that does not comply with these conditions will not be accepted 3 AEQ will at its own cost repair the faulty product once returned including the necessary labour to carry out such repair whenever the failure is caused by defects of the materials design or workmanship The repair will be carried out in any of the AEQ authorized Technical Service Centre This guarantee does not include the freight charges of the product to or from such Authorized Technical Service Centre 4 No Extension of the Guarantee Period for repaired product shall be applied Nor shall a Substituted Products in application of this Guarantee be subject to Guarantee Period Extension 5 The present guarant
9. puts with electronic balancing 12 AES EBU AES 3 physical digital audio outputs 12 AES EBU AES 3 physical digital audio inputs with SRC 1 AES EBU AES11 sync input and follower output Default sample rate fs 48kHz Standard allowable sample rate fs at sync input 16kHz 22 05kHz 32kHz 44 1kHz and 48kHz Internal resolution 24 bits per sample Response frequency 20 20 000 1dB Total harmonic distortion noise 1KHz lt 80dB Maximum analog audio level 22dBu Analog input impedance gt 6Kohms Analog output impedance lt 660hms Analog input connectors DB25 female Digital output connectors DB25 male Digital input connectors DB25 female Analog output connectors DB25 male Sync input connector XLR female Follower sync output connector XLR male Power supply 85 264VAC 50 60Hz 45W Format 1 19 rack unit 482 6 x 44 5mm CADDY 11 Multichannel AD amp DA Converter 6 A E Q GUARANTEE AEQ warrants that this product has been designed and manufactured under a certified Quality Assurance System AEQ therefore warrants that the necessary test protocols to assure the proper operation and the specified technical characteristics of the product have been followed and accomplished This includes that the general protocols for design and production and the particular ones for this product are conveniently documented 1 The present guarantee does not exclude or limit in any way any legally recognized r
10. verter 2 EQUIPMENT POWER SUPPLY The equipment receives power through the connector designed for that purpose using the cable supplied The equipment may be operated with alternating voltage of between 90V and 250V at 50 or 60Hz Maximum consumption is approximately 45W Activate the power switch ON position If all instructions have been correctly followed the Power ON LED will light up indicating that the equipment is receiving power CADDY 4 Multichannel AD amp DA Converter 3 DESCRIPTION OF BACK PANEL AND CONNECTION F N 90 TO250 VAC 50 60 Hz O O 1 Power Supply Connector and Fuseholder 2 External Synch Input 3 External Synch Output 4 Digital Inputs for D A Converters 5 Analog Outputs for D A Converters 6 Analog Inputs for A D Converters 7 Digital Outputs for A D Converters CADDY Multichannel AD amp DA Converter 4 OPERATION The CADDY basically converts 12 analog stereo signals to 12 AES EBU digital stereo signals and 12 AES EBU digital stereo signals to 12 analog stereo signals Internally it always works with a resolution of 24 bits both in A D and D A conversion 4 1 Synchronism To perform all conversions a sample rate must be established When the unit works independently this rate is 48kHz This means that the AES EBU digital outputs will have a 24 bit 48kHz format However the application may require this rate to be changed The AES 11 external sync
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