L-Acoustics LC16D User manual
LC16D
owner's manual (EN)
Document reference: LC16D owner's manual (EN) version 1.0
Distribution date: November 30, 2023
© 2023 L-Acoustics. All rights reserved.
No part of this publication may be reproduced or transmitted in any form or by any means without the
express written consent of the publisher.
Contents
Safety................................................................................................................................................................ 5
Important safety instructions....................................................................................................................... 5
Introduction........................................................................................................................................................ 7
LC16D Network audio converter................................................................................................................ 7
How to use this manual............................................................................................................................ 7
Revision history.........................................................................................................................................8
System components.............................................................................................................................................8
Technical description........................................................................................................................................... 9
Main features........................................................................................................................................... 9
Front and rear panels......................................................................................................................9
Power supply................................................................................................................................ 10
Signal processing....................................................................................................................................10
Signal inputs and outputs...............................................................................................................10
Mapping...................................................................................................................................... 11
Monitoring and control............................................................................................................................12
User interface............................................................................................................................... 12
Remote control.............................................................................................................................. 12
Installation........................................................................................................................................................13
Mounting................................................................................................................................................13
Ventilation.............................................................................................................................................. 13
General Purpose I/O (GPIO)................................................................................................................... 14
Power over Ethernet................................................................................................................................ 15
Connecting to AC mains......................................................................................................................... 15
Electrical specications.................................................................................................................. 15
Power cord...................................................................................................................................16
Plugging LC16D............................................................................................................................16
Power consumption........................................................................................................................16
Audio and network cabling..................................................................................................................... 16
Connectors................................................................................................................................... 16
AES/EBU audio............................................................................................................................ 17
MADI audio................................................................................................................................. 18
Word clock...................................................................................................................................18
Milan-AVB.................................................................................................................................... 19
Cabling examples......................................................................................................................... 20
3
Operation........................................................................................................................................................ 21
Powering on/off..................................................................................................................................... 21
Interpreting the front panel LEDs...............................................................................................................21
LC16D embedded Web interface............................................................................................................. 26
Top bar........................................................................................................................................ 26
Audio overview.............................................................................................................................27
AVB input mapping.......................................................................................................................32
AVB output mapping..................................................................................................................... 33
GPIO........................................................................................................................................... 34
Settings........................................................................................................................................ 36
Additional actions......................................................................................................................... 39
Specications................................................................................................................................................... 40
LC16D................................................................................................................................................... 40
4
Safety
Safety
Important safety instructions
Inspect the product before operation.
If any sign of defect or damage is detected, immediately withdraw the product from use for maintenance.
Perform preventive maintenance at least once a year.
Refer to the preventive maintenance section for a list of actions and their periodicity.
Insufcient upkeep of the product can void the warranty.
Verify the electrical conformity and compatibility of the mains supply.
Only connect the product to an AC power outlet rated 100-240 V, 50-60 Hz.
The product draws 8 W (typical).
WARNING: The product is of Class 1 construction and shall be connected to a mains socket outlet with a
Protective Earth connection.
When the product is used in a three-phase circuit, verify the electrical conformity and
compatibility of the three-phase circuit.
Verify that the three phases work, and balance the loads between the three phases.
Verify that the neutral and earth work.
Never try to emulate a 230 V circuit connecting an apparatus to two live wires of a 120 V three-phase circuit.
Never try to emulate a 200 V circuit connecting an apparatus to two live wires of a 100 V three-phase circuit.
Electrical generator
You must power on the generator before powering on the product.
Verify that the product is turned off before powering on the generator.
Never incorporate equipment or accessories not approved by L-Acoustics.
Read all the related PRODUCT INFORMATION documents shipped with the products before
exploiting the system.
Intended use
This system is intended for use by trained personnel for professional applications.
As part of a continuous evolution of techniques and standards, L-Acoustics reserves the right
to change the specications of its products and the content of its documents without prior
notice.
Check www.l-acoustics.com on a regular basis to download the latest document and software updates.
Do not use the product outside its operating temperature range.
The product operates at a room temperature between -5 °C / 23 °F and 50 °C / 122 °F.
Do not expose the product to direct sun.
Do not expose the product to extreme conditions.
Do not expose the product to moisture (rain, mist, sea spray, steam, humidity, condensation…) or excessive heat
(direct sun, radiator…) for a long period of time.
For more information, refer to the Products weather protection document, available on the website.
Use the product in a conformed electro-magnetic environment.
The product can be used in the following environment: residential (class B).
Avoid radio interference.
This product has been tested and complies with the regulations of the EMC directive (Electro Magnetic
Compatibility). These regulations are designed to provide reasonable protection against harmful interference from
electrical equipment, but it cannot be guaranteed that interference will never occur.
Product disconnection
To completely disconnect this product from the mains, disconnect the power supply cord plug from the mains
socket outlet.
LC16D owner's manual (EN) version 1.0 5
Safety
Power supply cord and socket accessibility
The main plug of the power supply cord shall remain easily accessible.
The mains socket outlet shall be easily accessible.
Read the maintenance section of this document before servicing the product.
Contact L-Acoustics for advanced maintenance.
Any unauthorized maintenance operation will void the product warranty.
Shipping
Use the original packaging for shipping the product, unless it is mounted in a rack with the front xed to the rack,
as described in this manual.
Symbols on the product
Explanation of graphical symbols
The lightning ash with arrowhead symbol within an equilateral triangle is intended to alert the user
to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of
sufcient magnitude to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of
important operating and maintenance instructions in the literature accompanying the product.
Do not open unless authorized. This symbol indicates the presence of electrical shock hazards. It also
indicates that no maintenance performed by the end user requires access to internal components.
This marking indicates that this product should not be disposed of with other household waste
throughout the EU. To prevent possible harm to the environment or human health from uncontrolled
waste disposal, recycle it responsibly to promote the sustainable reuse of material resources. To return
your used device, please use the return and collection systems or contact the retailer where the product
was purchased. They can take this product for environmentally safe recycling.
6 LC16D owner's manual (EN) version 1.0
Introduction
Introduction
LC16D Network audio converter
LC16D is a multichannel converter that bridges MADI and AES/EBU legacy digital formats bidirectionally with a Milan-
AVB network. Supporting up to 128 Milan-AVB inputs and outputs simultaneously, LC16D offers dynamic mapping of
channels, and comprehensive synchronization options, with remote control via a simple to use embedded web interface.
Flexible power options and seamless Milan-AVB network audio connections deliver robust redundancy features as
standard, all housed in a compact and rugged 1RU chassis.
Up to 16 AES/EBU inputs and outputs can be connected using standard DB25 connectors. Asynchronous sample rate
converters (ASRC) are implemented on each AES/EBU input. A pair of BNC connectors provide access to MADI. At a
sampling rate of 96 kHz, 32 input and 32 output channels are supported, and up to 64 at 48 kHz. Used together, up
to 80 input sources and 80 output destinations can be connected and dynamically mapped to and from a redundant
Milan-AVB network. The comprehensive clocking options facilitate the selection of a reference from any of six different
sources, which is then presented to all outputs, enabling clock distribution across a system. Up to three levels of power
redundancy are available using a combination of the internal PSU and the dual, PoE-supporting, Ethernet ports.
How to use this manual
The LC16D owner's manual is intended for all actors involved in the system design, implementation, preventive and
corrective maintenance of the LC16D product. It must be used as follows:
1. Read the technical description for an overview of all product elements, their features, and their compatibilities.
•Technical description (p.9)
2. Before installing the product, perform mandatory inspections and functional checks.
3. To deploy the product, follow the step-by-step installation instructions and refer to the cabling schemes.
•Installation (p.13)
•Audio and network cabling (p.16)
4. To congure the settings and parameters of the product, follow the step-by-step operation instructions.
•Operation (p.21)
As part of a continuous evolution of techniques and standards, L-Acoustics reserves the right to
change the specications of its products and the content of its documents without prior notice.
Check www.l-acoustics.com on a regular basis to download the latest document and software updates.
Contact information
For information on advanced corrective maintenance:
• contact your Certied Provider or your L-Acoustics representative
• for Certied Providers, contact the L-Acoustics customer service: customer.ser[email protected] (EMEA/APAC),
laus.ser[email protected] (Americas).
LC16D owner's manual (EN) version 1.0 7
System components
Symbols
The following symbols are used in this document:
This symbol indicates a potential risk of harm to an individual or damage to the product.
It can also notify the user about instructions that must be strictly followed to ensure safe installation or operation of
the product.
This symbol indicates a potential risk of electrical injury.
It can also notify the user about instructions that must be strictly followed to ensure safe installation or operation of
the product.
This symbol noties the user about instructions that must be strictly followed to ensure proper installation or
operation of the product.
This symbol noties the user about complementary information or optional instructions.
Revision history
version number publication date modication
1.0 Nov. 2023 Initial version.
This version of the Owner's Manual describes the LC16D rmware version 2.13.1.
As part of a continuous evolution of techniques and standards, L-Acoustics reserves the right
to change the specications of its products and the content of its documents without prior
notice.
Check www.l-acoustics.com on a regular basis to download the latest document and software updates.
System components
Network audio converters
LC16D Network audio converter
Software applications
LC16D embedded
Web interface
LC16D embedded Web interface
L-Acoustics Device
Scanner
L-Acoustics Device Scanner
USB Terminal USB Terminal
Hive AVDECC controller
8 LC16D owner's manual (EN) version 1.0
Technical description
Technical description
Main features
Front and rear panels
1 2 34
1. LEDs for the general status of the unit:
• single color LED for mains presence
• single color LED for PoE (Power over Ethernet) presence
• dual color LED for status of the remote control
• dual color LED for the general status of the unit
2. LEDs for clock references:
• single color LED for internal clock
• single color LED for word clock
• single color LED for network (Milan-AVB clock)
• single color LED for MADI clock
• single color LED for AES/EBU 1 clock
3. LEDs for status/signal/clip of the AES/EBU signals:
• 8 dual color LEDs for the AES/EBU inputs (one per pair)
• 8 dual color LEDs for the AES/EBU outputs (one per pair)
4. LEDs for status/signal/clip of the MADI signals:
• dual color LED for the MADI inputs
• dual color LED for the MADI outputs
1 2 3 4 5 6 7 8
1. IEC C13 V-Lock compatible socket
2. DB25 female connector (AES59 8-way pinout annex C) for 16 AES/EBU outputs
3. DB25 female connector (AES59 8-way pinout annex C) for 16 AES/EBU inputs
4. BNC connector for MADI inputs and BNC connector for MADI outputs (75 Ω terminated)
5. BNC connector for Word clock input and BNC connector for Word clock output (75 Ω terminated)
6. 10-point terminal block General Purpose I/O (GPIO)
7. Micro USB service port
8. 2 × 1 Gb/s Ethernet etherCON I/Os for Milan-AVB I/O, network I/O, and PoE (Power over Ethernet) inputs
LC16D owner's manual (EN) version 1.0 9
Technical description
Power supply
LC16D power supply offers three redundant possibilities.
LC16D is equipped with a universal Switched Mode Power Supply (SMPS) suitable for mains from 100 V AC - 240 V AC
(± 10%), 50 Hz - 60 Hz.
LC16D is a Class 3 Powered Device (PD) featuring seamless power redundancy between the mains input and PoE (Power
over Ethernet). In case of failure of the mains power supply, a third-party Power Sourcing Equipment (PSE) can power
LC16D through either of the 1 Gb/s Ethernet ports (PoE1 and PoE2). LC16D is compatible with any IEEE 802.3at-2009
PSE.
Refer to section Installation (p.13) for detailed operating instructions.
Signal processing
Signal inputs and outputs
Milan-AVB
LC16D can operate in normal network mode or in redundant network mode. In both modes, 16 Milan-AVB input streams
of up to 8 channels each can be connected to LC16D.
Input channels can be freely assigned to the 16 Milan-AVB output streams through a exible matrix in the LC16D
embedded Web interface.
Each Ethernet port uses a high speed data transfer protocol up to 1 Gb/s and supports the AAF PCM32 stream format
with stream frequencies at 48 kHz when the device is operating at 48 kHz or 96 kHz when the device is operating at 96
kHz.
AES/EBU (AES3)
LC16D can be fed with up to 16 AES/EBU (AES3) digital audio signals (transported in pairs) using the AES/EBU
INPUTS 1-16 DB25 female connector. There is no latency compensation and no bypass/link. The input signals can be
transmitted to the Milan-AVB output streams.
Each input signal has integrated ASRC (Asynchronous Sample Rate Converter) supporting a wide range of input formats
(44.1 kHz to 192 kHz). The ASRC converts the signals to the rate selected for LC16D (48 kHz or 96 kHz). The ASRC can
be disabled individually for each AES/EBU input.
LC16D can send up to 16 AES/EBU (AES3) digital audio signals (transported in pairs) coming from the Milan-AVB input
streams using the AES/EBU OUTPUTS 1-16 DB25 female connector. There is no latency compensation.
MADI (AES10-2003)
LC16D can be fed with up to 64 AES10 digital audio signals (at 48 kHz) or 32 AES10 digital audio signals (at 96 kHz)
using the MADI IN BNC connector. The input signals can be transmitted to the Milan-AVB output streams.
LC16D can send up to 64 AES10 digital audio signals (at 48 kHz) or 32 AES10 digital audio signals (at 96 kHz)
coming from the Milan-AVB input streams using the MADI OUT BNC connector.
10 LC16D owner's manual (EN) version 1.0
Table of contents
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