Albalá Ingenieros ADF2008C01 Instruction Manual

Analog audio input front-end for the audiochain bus of the tl2000 terminal line

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ADF2008C01
ANALOG AUDIO INPUT FRONT-END FOR THE AUDIOCHAIN BUS OF THE
TL2000 TERMINAL LINE
Version 1.0
Albalá Ingenieros, S.A.
08 February 2016 - © Albalá Ingenieros S.A. - All rights reserved
Medea, 4 - 28037 Madrid - Spain

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Summary of Contents for Albalá Ingenieros ADF2008C01

  • Page 1 ADF2008C01 ANALOG AUDIO INPUT FRONT-END FOR THE AUDIOCHAIN BUS OF THE TL2000 TERMINAL LINE Version 1.0 Albalá Ingenieros, S.A. 08 February 2016 - © Albalá Ingenieros S.A. - All rights reserved Medea, 4 - 28037 Madrid - Spain...
  • Page 2 ADF2008C01...
  • Page 3: Table Of Contents

    4.3. The analog audio inputs ......................17 4.4. Level gain and measurement ....................17 4.5. Module remote control and supervision ................18 4.5.1. Details of the ADF2008C01 registers ................19 5. GLOSSARY ........................23 6. REGULATIONS ........................25 7. VERSIONS ......................... 27...
  • Page 4 ADF2008C01...
  • Page 5: Description

    SNMP management and the ability to record events in a file including date and time information for further analysis. The ADF2008C01 is a TL2000 terminal line module and can be housed in a two rack unit (2 RU) UR2000 mounting frame.
  • Page 6: Features

    Albalá Ingenieros | Manual ADF2008C01 1.2. Features • Analog audio input interface for the audio daisy chain bus (AUDIOCHAIN) of a TL2000 line terminal. • The AUDIOCHAIN is an interface provided by the backplane of a UR2000 mounting frame that can be used to transmit up to 16 audio channels in each direction between two or more modules installed in adjacent slots.
  • Page 7: Block Diagram

    Albalá Ingenieros | Manual ADF2008C01 1.3. Block diagram...
  • Page 8 Albalá Ingenieros | Manual ADF2008C01 ADF2008C01...
  • Page 9: Specifications

    Albalá Ingenieros | Manual ADF2008C01 2. SPECIFICATIONS Analog audio signal input Connector Sub-D 25 pin female Impedance >24 kΩ Type Active balanced Number of inputs Maximum common mode range ± 12 V Maximum input level 22 dBu Analog to digital converter...
  • Page 10 Albalá Ingenieros | Manual ADF2008C01 ADF2008C01...
  • Page 11: Installation

    • The ADF2008C01 module and the mounting frame should always be installed, maintained, operated and removed by personnel with sufficient technical qualifications. The equipment should never be placed in damp areas, near splashing liquid, or in explosive or corrosive atmospheres.
  • Page 12: Environmental Considerations

    1 - Remove the blank panel covering the front of the empty slot chosen for installing the ADF2008C01 in the mounting frame. 2 - Insert the ADF2008C01 module into the front of the mounting frame. The edges of the card slide into two plastic guides inside the mounting frame.
  • Page 13: Interconnection

    Albalá Ingenieros | Manual ADF2008C01 3.5. Interconnection The arrangement of the front panel connectors of the ADF2008C01 module is shown in the following figure. Front panel of the ADF2008C01 The ADF2008C01 includes eight analog audio inputs (IN1-IN8) using the connector labeled ANALOG AUDIO IN.
  • Page 14: Analog Audio Connections

    Albalá Ingenieros | Manual ADF2008C01 The front panel has not been designed to support mechanical stress. All cabling in the rack where the mounting frame is located should be properly supported so that the front panel does not provide mechanical support.
  • Page 15: Operation

    Albalá Ingenieros | Manual ADF2008C01 4. OPERATION This section describes the significance of the front panel indicators of the ADF2008C01 module and their remote control and monitoring ability. 4.1. Front panel description The appearance of the front panel and the elements it contains are shown in the following illustration.
  • Page 16: Functional Description

    4.2. Functional description The ADF2008C01 is a TL2000 line terminal that converts eight channels of analog audio to digital format and delivers them to modules located in adjacent slots. The backplane of the UR2000 mounting frame provides lines that interconnect between adjacent modules.
  • Page 17: The Analog Audio Inputs

    4.4. Level gain and measurement The ADF2008C01 provides gain adjustment for each audio channel that enters the module. The adjustment margin ranges from +24 dB to -39 dB as well as mute. The ADF2008C01 also displays information about the level of each audio channel after application of the gain adjustment.
  • Page 18: Module Remote Control And Supervision

    Albalá Ingenieros | Manual ADF2008C01 4.5. Module remote control and supervision The ADF2008C01 requires remote control for configuration. In order to perform remote configuration and supervision of the module an optional TL2000 family remote communications controller must be installed in the mounting frame.
  • Page 19: Details Of The Adf2008C01 Registers

    - Adjustment and supervision of the audio channel levels. - User preset management. 4.5.1. Details of the ADF2008C01 registers The ADF2008C01 module provides control and status registers that can be read and written by means of specific commands described in the communication control module user manuals.
  • Page 20 Albalá Ingenieros | Manual ADF2008C01 R2L_OUT_3_SRC 0x02 0x0800 0x1F Insertion source used in R2L OUT channel 3 0=Analog 1, 1=Analog 2, 2=Analog 3, 3=Analog 4, 4=Analog 5, 5=Analog 6, 6=Analog 7, 7=Analog 8, 16=R2L IN R2L_OUT_4_SRC 0x03 0x0800 0x1F Insertion source used in R2L OUT channel 4...
  • Page 21 Albalá Ingenieros | Manual ADF2008C01 L2R_OUT_10_SRC 0x09 0x0810 0x1F Insertion source used in L2R OUT channel 10 0=Analog 1, 1=Analog 2, 2=Analog 3, 3=Analog 4, 4=Analog 5, 5=Analog 6, 6=Analog 7, 7=Analog 8, 16=L2R IN L2R_OUT_11_SRC 0x0A 0x0810 0x1F Insertion source used in L2R OUT channel 11...
  • Page 22 Albalá Ingenieros | Manual ADF2008C01 L2R_IN_7_PRES 0x03 0x40 There is a valid audio signal in channel 7 of L2R IN 1=OK, 0=Fail L2R_IN_8_PRES 0x03 0x80 There is a valid audio signal in channel 8 of L2R IN 1=OK, 0=Fail L2R_IN_9_PRES...
  • Page 23: Glossary

    Albalá Ingenieros | Manual ADF2008C01 5. GLOSSARY AES/EBU This acronym covers the combined AES and EBU standard for transmission of digital audio. The standard defines a serial interface known as AES3 as per AES, EBU 3250-E as per EBU or ITU-R BS.647-2 as per ITU. The interface originally transmitted two channels (one pair) with PCM coding with a bit depth of 20 or 24 bit and a sampling frequency between 32 kHz and 192 kHz.
  • Page 24 Albalá Ingenieros | Manual ADF2008C01 ADF2008C01...
  • Page 25: Regulations

    Albalá Ingenieros | Manual ADF2008C01 6. REGULATIONS EBU Tech. 3250-E (1992) Specificacion of the digital audio interface. See also: AES3, ITU-R BS.647-2...
  • Page 26 Albalá Ingenieros | Manual ADF2008C01 ADF2008C01...
  • Page 27: Versions

    Albalá Ingenieros | Manual ADF2008C01 7. VERSIONS Ver. Date Description 15-09-2015 Preliminary Version 08-02-2016 First version...
  • Page 28 Albalá Ingenieros, S.A. Medea, 4 - 28037 Madrid Spain +34 913274453 www.albalaing.com info@albalaing.com...

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