Albalá Ingenieros DAD3002C01 User manual
DAD3002C01
DUAL 1 LOOP-THOROUGH INPUT TO 6 OUTPUTS AES/EBU DIGITAL AUDIO
DISTRIBUTOR
Version 1.0
Albalá Ingenieros, S.A.
Medea, 4 - 28037 Madrid - Spain
23 September 2016 - © Albalá Ingenieros S.A. - All rights reserved
DAD3002C01
DAD3002C01
DUAL 1 LOOP-THOROUGH INPUT TO 6 OUTPUTS AES/EBU DIGITAL AUDIO
DISTRIBUTOR
Version 1.0
1. DESCRIPTION ...................................................................................................................... 5
1.1. The DAD3002C01 ........................................................................................................................... 5
1.2. Features ............................................................................................................................................. 6
1.3. Block diagram .................................................................................................................................. 7
2. SPECIFICATIONS ................................................................................................................. 9
3. INSTALLATION .................................................................................................................. 11
3.1. Initial inspection .......................................................................................................................... 11
3.2. Safety instructions ...................................................................................................................... 11
3.3. Environmental considerations ................................................................................................ 12
3.4. Power considerations ................................................................................................................. 12
3.5. Module configuration ................................................................................................................ 12
3.5.1. Configuration of the loop-through input ................................................................... 12
3.6. Installing the module in the mounting frame ................................................................... 12
3.7. Interconnection ............................................................................................................................ 14
3.7.1. Digital audio connections ................................................................................................ 15
4. OPERATION ...................................................................................................................... 17
4.1. Front panel description .............................................................................................................. 17
4.2. Functional description ............................................................................................................... 18
4.3. Module remote control and supervision ............................................................................. 18
5. GLOSSARY ........................................................................................................................ 19
6. REGULATIONS .................................................................................................................. 21
7. VERSIONS ......................................................................................................................... 23
DAD3002C01
Albalá Ingenieros | Manual DAD3002C01
1. DESCRIPTION
1.1. The DAD3002C01
The DAD3002C01 is a balanced digital signal distributor with six outputs per section; the
module consists of two identical sections. The input provides loop-though and is
transformer isolated. All the outputs are also transformer isolated. The front panel
provides an LED that indicates the presence of signal for each section.
The distributor is based on a linear amplifier and does not perform any manipulation of
the signal received. Although this module has been designed for distribution of balanced
AES/EBU signals, given the lack of internal processing the DAD3002C01 can distribute
other digital signals transmitted over balanced lines as long as these signals remain
within the bandwidth specifications.
The DAD3002C01 is a TL3000 terminal line module and can be housed in a three rack
unit (3 RU) UR3000 mounting frame or a 1 RU UR3100 mounting frame.
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Albalá Ingenieros | Manual DAD3002C01
1.2. Features
• Dual AES/EBU digital audio distributor.
• Provides two sections with one loop-through input and six outputs each.
• Designed for distribution of any balanced signal within the specified bandwidth.
•Loop-through input allows multiple distributors to be connected in series when a large
number of outputs are needed.
•All inputs and outputs feature transformer isolation to achieve efficient common-mode
rejection.
• Inputs can be internally terminated with 110Ω when loop-through is not needed.
• Purely linear distributor amplifier. Output signal is a replica of the input signal.
• Front panel indicator for input presence.
•One UR3000 mounting frame can house up to 12 DAD3002C01 modules. If power
supply redundancy is required and FA3000 or FA3001 modules are used then only 10
modules can be housed in the mounting frame. If PSU3300 or PSU3301 modules are
used for this purpose then up to 12 modules can be installed.
• One UR3100 mounting frame can house up to three DAD3002C01 modules.
• Low power.
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Albalá Ingenieros | Manual DAD3002C01
1.3. Block diagram
7
Albalá Ingenieros | Manual DAD3002C01
DAD3002C01
8
Albalá Ingenieros | Manual DAD3002C01
2. SPECIFICATIONS
AES/EBU digital audio signal input
Connector Plug-in terminal,
3.81mm pitch
Impedance Loop-Through or 110Ω loaded
Type Transformer balanced
Encoding and electrical characteristics According to
EBU Tech. 3250-E/AES3
standard
Sampling rate 30 .. 96 kHz
Number of inputs 1 per section, 2 sections
AES/EBU digital audio signal output
Connector Plug-in terminal,
3.81mm pitch
Impedance 110Ω ± 20 %
Type Transformer balanced
Encoding and electrical characteristics According to
EBU Tech. 3250-E/AES3
standard
Number of outputs 6 per section
General
Maximum power supply current + 800 / - 800 mA
Operating temperature range 0 .. 50 °C
Approximate weight 325 g
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Albalá Ingenieros | Manual DAD3002C01
DAD3002C01
10
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