Philips Power Supply ADAT 4 User Manual

SoundPals™  
ADAT-4 User Guide  
ADAT-to-AES converter  
 
Printing History  
SoundPalsADAT-4 ADAT-to-AES converter  
Rev. N/C  
March 2007  
Printed in U.S.A.  
Part Number 08-2054-00  
The information contained in this guide is subject to change without notice or obligation.  
Copyrights and Trademarks  
© 2005 GRAHAM-PATTEN SYSTEMS, INC.  
Contents of this publication may not be reproduced in any form without the written permission of Graham-Patten.  
Reproduction or reverse engineering of copyrighted software is prohibited.  
FCC Compliance  
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 your own expense.  
Warranty Statement  
Graham-Patten warrants that the equipment it manufactures is free from defects in workmanship and materials and  
meets applicable published specifications. Equipment that has been operated within published ratings and has not  
been subjected to abuse or modification, and which fails because of such defects, will be replaced or repaired at the  
Company’s discretion if it is returned, freight prepaid, to Graham-Patten within seven years of receipt.  
This warranty supersedes all other Warranties, express or implied. Graham-Patten is not liable for any  
consequential damages.  
Company Address  
GRAHAM-PATTEN SYSTEMS, INC.  
119 East McKnight Way, Unit A  
Grass Valley, California 95949  
Telephone: (888) 622-4747, (530) 477-2984  
Fax: (530) 477-2986  
World Wide Web: www.gpsys.com  
Graham-Patten is a division of  
 
 
Table of Contents  
Table of Contents  
Introduction  
ii  
1
What are SoundPals?..............................................................................................................1  
Documentation Conventions....................................................................................................1  
Signals and Values..................................................................................................................1  
Warnings..................................................................................................................................1  
Unpacking and Inspection .......................................................................................................2  
Power Supply Note..................................................................................................................2  
ADAT-4  
3
About the ADAT-4....................................................................................................................3  
ADAT-4 Installation..................................................................................................................4  
Connecting Power.............................................................................................................4  
Connecting the ADAT Input ..............................................................................................4  
Connecting the ADAT Outputs..........................................................................................4  
ADAT-4 Operation ...................................................................................................................5  
ADAT-4 Interconnection ..........................................................................................................5  
ADAT-to-AES Conversion.................................................................................................5  
ADAT Bridge to AES Routing System...............................................................................6  
ADAT-4 Internal Jumpers ........................................................................................................7  
ADAT-4 Troubleshooting .........................................................................................................9  
ADAT-4 Specifications.............................................................................................................9  
Audio Specifications..........................................................................................................9  
Environmental Specifications and Dimensions...............................................................10  
Channel Routing..............................................................................................................10  
Inside the Module ........................................................................................... 11  
In This Section.......................................................................................................................11  
Before You Begin...................................................................................................................11  
Opening the Module ..............................................................................................................11  
Closing the Module................................................................................................................11  
External Power................................................................................................ 12  
About Power Supplies ...........................................................................................................12  
CE Compliance......................................................................................................................12  
Portable Power Sources........................................................................................................12  
Power Supply Specifications .................................................................................................12  
Power Supply Sources ..........................................................................................................12  
ii • Table of Contents  
ADAT-4 User Guide  
 
 
Introduction  
What are SoundPals?  
Each Graham-Patten SoundPals module is essentially a digital audio building block that can be  
used independently, or interconnected to perform more advanced mixing and audio processing  
functions.  
SoundPals can be used in both standalone and system configurations:  
In a “standalone” configuration, each SoundPals module is designed to perform a specific  
audio processing function such as ADAT-to-Analog conversion. In this way, each module  
functions as a perfect low-cost adjunct to larger mixing consoles (such as the Graham-  
Patten D/ESAM series) — for single-purpose processing tasks.  
In a “system” configuration, SoundPals can be linked to form more comprehensive digital  
audio tools. For field recording, studio applications, and workstation applications,  
SoundPals can be used to seamlessly perform functions that would otherwise require  
extensive peripheral gear. Best of all, SoundPals “systems” can be re-configured quickly  
and easily — to suit your changing audio production requirements.  
All SoundPals modules are extremely compact, rugged, and identical in size for ease of  
installation, interconnection, and use. In addition, SoundPals support AES3id. This allows  
longer, more robust AES signal distribution using standard coaxial cable. Error free distances of  
1000 feet can be attained using inexpensive coaxial cables.  
Documentation Conventions  
The following documentation conventions are used in this guide:  
Buttons, knobs, connectors, and switches are indicated in bold-faced capital letters. For  
example:  
Adjust the left GAIN TRIM to …  
Primary sections are listed in bold text, with a line above:  
Primary Section  
Secondary sections are listed in bold text, with no line:  
Secondary Section  
Signals and Values  
Note the following important information regarding audio signal level:  
AES3 = Balanced output with 2 channels of digital audio (left and right)  
AES3id = Unbalanced output with 2 channels of digital audio (left and right)  
Warnings  
Please observe the following important warnings:  
Heed all warnings on the unit and in the instructions.  
Do not use this product in or near water.  
Route power cords and other cables so that they are not likely to be damaged.  
Disconnect power before cleaning. Do not use liquid or aerosol cleaners; use only a  
damp cloth.  
Page 1  
ADAT-4 User Guide  
 
Unpacking and Inspection  
When you receive your SoundPals modules, inspect the cartons for signs of damage. Contact  
your dealer and the shipper immediately if you suspect any damage has occurred during  
shipping. Check the contents of each box to be sure that all parts are included. If any items are  
missing, contact your dealer immediately.  
Power Supply Note  
SoundPals are delivered with a power connector only. A separate power supply must be  
obtained. Graham-Patten offers several power solutions for both domestic and international  
customers. Refer to “External Power” for detailed power specifications for users who wish to  
configure their own power source, rather than purchase one from Graham-Patten.  
Page 2  
ADAT-4 User Guide  
 
ADAT-4  
About the ADAT-4  
The SoundPals ADAT-4 is an ADAT-to-AES converter that separates a single 8-channel ADAT  
data stream on optical fiber into four AES output audio pairs, on either balanced or coaxial cable.  
AES outputs are synchronous with the ADAT input.  
The unit offers the following features:  
Synchronizing connector for a silent AES3id or word clock output. This output can be  
used to synchronize other SoundPals to the ADAT data stream.  
Front panel switch for selecting reference output  
Optional rack mounting tray (1 RU)  
Compact size, rugged construction  
Two product models are available: The “A” model has AES3 outputs (XLR), and the “B” model  
has AES3id outputs (BNC).  
The figure below illustrates the ADAT-4’s front panel:  
1
AES  
I/P ERR  
ADAT IN  
SYNC OUT  
WCLK  
PWR  
2
3
4
5
1) ADAT IN — the optical input is a standard ADAT signal using plastic fiber with a  
maximum range of 1 meter. The input must have a sampling frequency between 30 and  
50KHz.  
2) SYNC OUT — the synchronization output can be set to either AES3id or word clock,  
depending on the position of the adjacent Sync Switch. The AES3id output uses the  
same channel status bit settings as the main AES outputs.  
3) AES/WCLK — the two-position Sync Switch allows you to select either AES3id or word  
clock as the sync output.  
4) I/P ERR — this LED lights when no signal is applied to the input, or when the signal is not  
valid. A non-valid signal exhibits errors such as format violations, bit errors, low level, or  
incorrect frequency. When lit, the output is muted.  
5) PWR — the large green Power LED lights when system power is applied.  
Page 3  
ADAT-4 User Guide  
 
The figure below illustrates the ADAT-4’s rear panel:  
1
2
3
4
5
6
+6V  
200mA  
AES OUT 1  
AES OUT 2  
AES OUT 3  
AES OUT 4  
1) ADAT-4 Model— the “A” model has AES3 outputs (XLR), and the “B” model has AES3id  
outputs (BNC).  
2) Power Connector — accepts the power jack from the 6VDC power supply. Refer to  
“External Power” for more information regarding external power.  
3) AES OUT 1 — output #1 is standard AES audio, either AES3 (XLR) for the A model or  
AES3id (BNC) for the B model. The output is locked to the ADAT input.  
4) AES OUT 2 — identical in function to output #1.  
5) AES OUT 3 — identical in function to output #1.  
6) AES OUT 4 — identical in function to output #1.  
An internal jumper allows the outputs to have 20 or 24 active bits. In 20-bit mode, each output’s  
auxiliary data bits will be set to zeros. Output channel status bits will reflect the 20/24-bit mode  
setting. Refer to the “ADAT-4 Internal Jumpers” for instructions on all jumper settings.  
ADAT-4 Installation  
This section provides instructions for connecting power, digital inputs. and digital outputs.  
Connecting Power  
Plug a 6VDC power supply (rated at 200 mA or greater) into the appropriate voltage outlet for  
your specific country, and connect the end of the cord into the ADAT-4 jack marked +6V. Secure  
the locking ring finger tight. The green PWR LED lights when power is applied.  
Connecting the ADAT Input  
The ADAT optical input includes eight audio signals with synchronization words, auxiliary data  
bits (currently all zeros) and clock extraction bits to conform to the ADAT format. Using an  
approved 1-meter (or less) ADAT cable, connect the desired ADAT source to the ADAT-4’s input  
connector.  
Connecting AES Outputs  
Connect the digital audio output from one of the four AES OUT connectors, and route it to the  
input of the desired destination device. Repeat the procedure for all digital outputs as required.  
Refer to the “ADAT-4 Specifications” section for a table of ADAT-4 channel routing.  
Page 4  
ADAT-4 User Guide  
 
ADAT-4 Operation  
This section includes instructions for operating the ADAT-4. See the “ADAT-4 Specifications”  
section for a channel routing table.  
Operating procedures for the ADAT-4 are simple:  
Connect the ADAT input from the desired ADAT source.  
Connect AES outputs to the desired destinations.  
If you want to use the ADAT-4 as the reference for another device, connect the SYNC  
OUT connector to the reference input of the destination device, and use the Sync Switch  
to select either AES or word clock reference.  
ADAT-4 Interconnection  
This section provides two ADAT-4 interconnection diagrams.  
ADAT-to-AES Conversion  
In this application, the ADAT optical cable is connected from an audio workstation to the  
ADAT-4. The AES outputs from the ADAT-4 are connected to the inputs of a D/ESAM  
mixer, a DAT recorder, and also to a DAC-24 for purposes of driving analog outputs and  
headphones.  
P W R  
A E S In  
AE S In  
R
L
T rim  
Trim  
R ight O ut  
Left O ut  
Volum e  
H eadphones  
SoundP als D AC -24  
W orkstation  
S tereo  
H eadphones  
PW R  
A E S O ut  
1
A nalog O ut (L)  
A nalog O ut (R )  
A ES O ut  
A E S O ut  
2
AD AT In  
3
A E S O ut  
W ord C lock O ut  
/
A E S O ut 4  
D AT R ecorder / P layer  
SoundP als A D A T-4  
D igital  
Inputs  
D /E SA M  
M ixer  
Page 5  
ADAT-4 User Guide  
 
ADAT Bridge to AES Routing System  
In this application, the ADAT-3 and ADAT-4 combine to provide a bridge in and  
out of an AES routing switcher.  
~
~
The ADAT-4 accepts an optical input from a source ADAT device (such as a  
workstation or ADAT recorder), and provides four AES outputs that feed the  
routing switcher.  
The ADAT-3 accepts four AES inputs from the routing switcher, and provides an  
optical ADAT output for routing to ADAT destinations.  
From ADAT  
Source  
Devices  
PWR  
AES Out 1  
AES Out 2  
ADAT In  
AES Out 3  
AES Out /  
Word Clock Out  
AES Out 4  
SoundPals ADAT-4  
Facility AES Routing Switcher  
PWR  
AES In 1  
Control  
AES In 2  
To ADAT  
Destination  
ADAT Out  
AES In 3  
Devices  
AES In /  
Word Clock In  
AES In 4  
SoundPals ADAT-3  
Page 6  
ADAT-4 User Guide  
 
ADAT-4 Internal Jumpers  
This section provides information about the ADAT-4’s internal jumpers and switches.  
NOTE For detailed instructions on opening and closing the ADAT-4, see “Inside the  
Module.”  
The figure below shows the ADAT-4’s internal jumper locations:  
ADAT-4  
04-0236-  
J2  
J5  
SW2  
Word Clock  
Polarity Jumper  
Status  
Dip Switch  
20/24 Bit  
Jumper  
J2 is the 20/24 Bit jumper.  
To set all 4 channels to 24 bits, install the jumper. This is the default  
configuration.  
1
2
To set all 4 channels to 20 bits, remove the jumper. In 20-bit mode, any  
auxiliary data on the AES inputs will be discarded.  
1
2
J5 is the Word Clock Input Polarity jumper.  
To leave work clock input reference normal, strap the jumper between pins  
1 and 2. The rising edge is used as reference.  
1
2
3
To invert the work clock input reference, strap the jumper between pins 2  
and 3. The falling edge is used as reference.  
1
2
3
Page 7  
ADAT-4 User Guide  
 
SW2 is the Status Dip Switch which is used to set the channel status on all AES outputs,  
including the SYNC output (provided that the Sync Switch is set to AES). The switch is an eight-  
position DIP, of which five switches are active.  
1
2
3
4
5
6
7
8
1 (closed) top position  
0 (open) bottom position  
OPEN  
For all switches:  
~
~
~
0 is open  
1 is closed  
The default setting is all 0’s  
Switches 1 and 2 determine the Emphasis.  
Function  
SW1  
SW2  
Not Indicated  
0
1
0
1
0
0
1
1
None  
50/15uS  
J.17  
Switches 3 and 4 determine the Sample Frequency.  
Function  
SW3  
SW4  
Not Indicated  
0
0
1
1
0
1
0
1
48 kHz  
44.1 KHz  
32 KHz  
Switch 5 determines the Stereo Mode.  
Function  
SW5  
Not Indicated  
Stereo  
0
1
Page 8  
ADAT-4 User Guide  
 
ADAT-4 Troubleshooting  
The table below lists ADAT-4 problems and solutions.  
Problem  
Procedure  
No output.  
Check Power by Green LED.  
Outputs are all  
silent.  
Check Input ERROR LED.  
Verify that the source is not silent.  
Input ERROR.  
Unplug the fiber cable and check for visible red light (this is not harmful).  
If no light, unplug the cable from the source and check for visible red light  
from the transmitter.  
Check for possible break in the fiber.  
NOTE Please contact the GPS factory if the problem still exists after completing the  
above procedures.  
ADAT-4 Specifications  
This section provides audio, remote, and environmental specifications, plus a table of ADAT-4  
channel routing.  
Audio Specifications  
Parameter  
Specification  
Dynamic Range  
24-bit processing  
20-bit processing  
138dB  
120dB  
ADAT Input  
Peak wavelength  
Input sensitivity  
660nm  
Adequate sensitivity to receive a signal transmitted at -17dBm over 1 meter of  
plastic fiber (Sharp GP1C321) without errors.  
Sample frequency  
30–50KHz  
A Model — AES3 Outputs (110Termination)  
Amplitude  
2–7V p-p  
Rise time  
5–30ns  
Output impedance  
Common mode  
110±20% (0.1–6MHz)  
<-30dB (0–6MHz)  
B Model — AES3id Outputs (75Termination)  
Amplitude  
1 ±0.2V p-p  
37 ±7ns  
Rise time  
Output impedance  
Return loss  
DC on output  
75Ω  
>15dB (0.1–6MHz)  
<50mV  
Page 9  
ADAT-4 User Guide  
 
Audio Specifications (continued)  
AES3ID Synchronization Output  
Amplitude  
1 ±0.2V p-p  
37 ±7ns  
75  
Rise time  
Output impedance  
Return loss  
DC on output  
>15dB (0.1–6MHz)  
<50mV  
Word Clock Synchronization Output  
Amplitude  
VLO <0.5V at IOUT = -5mA  
VHI >4.5V at IOUT = 5mA  
Waveform  
Phasing  
Square-wave at Fs  
+ edge coincident with audio sampling instant. Use jumper J5 to invert.  
Options  
RT-2, 1RU rack tray for mounting up to 3 units  
Power supplies:  
PSU-1, 90-260V 50/60Hz in-line power supply with detachable IEC power cord  
NOTE All specifications listed above subject to change without notice.  
Environmental Specifications and Dimensions  
Parameter  
Specification  
Dimensions  
(less connectors)  
5.2W x 1.62H x 6.625D  
13.2 x 4.1 x 16.8 cm  
Power  
<200mA @ 6Vdc  
Operating Temp  
10 – 50°C  
Operating  
Humidity  
10 – 90%RH non-condensing  
Channel Routing  
The table below lists ADAT-to-digital channel routing in the ADAT-4:  
ADAT Input Track AES Output  
1
2
3
4
1, 2  
3, 4  
5, 6  
7, 8  
Page 10  
ADAT-4 User Guide  
 
Inside the Module  
In This Section  
This section provides instructions for opening and closing the SoundPals SDDM-8 module to gain  
access to the internal circuit board.  
NOTE The internal circuit board should only be removed from the module if you want to  
change the jumpers.  
Before You Begin  
Check the following items before opening the module and attempting to remove the internal  
circuit board:  
If required, remove the SoundPals module from the rack tray.  
Disconnect the power supply from the front of the product.  
Disconnect all input, output and control cables.  
Perform the remaining steps only in a static free environment. Make sure that you and  
the product are both grounded.  
The following tools are required:  
#2 Phillips screwdriver  
9/16 box wrench (or end wrench)  
Opening The Module  
Use the following steps to open a SoundPals module:  
1. On the rear panel, remove the four Phillips screws from the four corners of the  
SoundPals module.  
2. On the front panel, remove all Philips XLR mounting screws from the SoundPals module.  
3. On the front panel, remove the BNC nut and associated lock washer.  
4. Pulling the rear panel, carefully draw the internal circuit board and rear panel assembly  
from the housing.  
CAUTION Keep the case horizontal so that the BNC bushing stays with the connector.  
5. Set the housing and all mounting hardware in a safe place.  
Closing The Module  
Use the following steps to close a SoundPals module:  
1. Ensure that the product label is on the bottom.  
2. Carefully slide the internal circuit board and rear panel assembly through the housing.  
Keep the case horizontal so that the BNC bushing stays with the connector.  
3. Replace the BNC nut and associated lock washer on the front panel of the module.  
4. Replace all Phillips XLR mounting screws on the front panel of the module.  
5. Replace and tighten the four Phillips screws on the rear corners of the module.  
CAUTION Do not over tighten the screws.  
Page 11  
ADAT-4 User Guide  
 
External Power  
About Power Supplies  
An external power supply conforming to the specifications listed in the following “Power Supply  
Specifications” section must be used to guarantee that published SoundPals performance  
figures are met. Any power supply meeting these specifications will supply adequate power for a  
single SoundPals module. Although the specification is written for power supplies running from  
AC line inputs, DC (battery) sources may be used if they meet all of the listed requirements.  
CE Compliance  
For CE compliance, the power supply that you use must comply with the following requirements:  
Low Voltage Directive 73/23/EEC  
EMC Directive 89/336/EEC  
EMC Directive 93/68/EEC  
The connector locking ring must be tight.  
Portable Power Sources  
For portable SoundPals power sources, sealed lead-acid, nickel cadmium or alkaline primary  
batteries may be used. However, the maximum voltage must not exceed 8.6 volts, and a  
minimum of 5.6 volts is required for normal operation. Maximum current drain will be 215mA.  
Power Supply Specifications  
The following specifications must be met over all anticipated operating conditions including AC  
power line range, temperature range, etc.  
Parameter  
Specification  
Output voltage  
5.6V minimum (measured at trough of ripple) at 215 mA constant current.  
8.6V maximum (measured at peak of ripple) at 140 mA constant current.  
2V p-p at 700mA constant current.  
Ripple voltage  
Connector  
400mV p-p at 700mA constant current with external 2200µF capacitor.  
Switchcraft 761K with center positive, sleeve negative.  
Power Supply Sources  
In addition to the GPS-supplied universal power supply, the following power supplies meet the  
SoundPals requirements:  
Company  
Model  
Note  
Stancor  
Stancor  
Elpac  
STA-4860  
120V AC, 60 Hz  
STAF-0797F 220V AC, 50 Hz with European wall plug (CE compliant).  
MI2007  
95-250V AC, 47-63 Hz with IEC inlet (line cord required). Will power up to six  
units (CE compliant).  
Page 12  
ADAT-4 User Guide  
 

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