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Devolo MicroLink dLAN Audio Manual

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MicroLink
®
dLAN
®
Audio
© 2005 devolo AG, Aachen (Germany)
While the information in this manual has been compiled with great care, it may not be deemed
an assurance of product characteristics. devolo AG shall be liable only to the degree specified in
the terms of sale and delivery.
The reproduction and distribution of the documentation and software supplied with this product
and the use of its contents is subject to written authorization from devolo AG. We reserve the
right to make any alterations that arise as the result of technical development.
You can find all declarations and certifications of compliance for the products, as long as they
were available at the time of publication, in the appendix of this documentation.
Trademarks
Windows
®
and Microsoft
®
are registered trademarks of Microsoft, Corp.
HomePlug
®
is a registered trademark of HomePlug Power Alliance.
MicroLink
®
and dLAN
®
are registered trademarks of devolo AG.
devolo and the devolo logo are registered trademarks of devolo AG. All other names mentioned
may be trademarks or registered trademarks of their respective owners.
Subject to change without notice. No liability for technical errors or omissions.
devolo AG
Sonnenweg 11
52070 Aachen
Germany
www.devolo.com
Aachen, April 2005
41555/0405
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devolo MicroLink dLAN Audio
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EN
Preface
Thank you for placing your trust in this devolo product.
The new member of the devolo dLAN product family represents a new bridge
between computers and audio equipment. A piece of genuine innovation with
the trusted advantages of dLAN technology: wireless, flexible and genuinely
plug and play. At each electrical outlet, the MicroLink dLAN Audio can con
-
nect via household electrical wires to various remote stations: to the stereo
system in the living room and the multimedia computer in the basement, to
Internet radio or an MP3 file server—you can spread sound from every source
to, for example, active speakers in every room of your home. As with all
HomePlug adapters, connections are simple: the plug for the power outlet is
on one side; input and output jacks for connection to audio devices are on the
other side. With the MicroLink dLAN Audio adapters developed by devolo,
you can even transmit over four channels.
Build your own audio network. Easily, over existing household electrical
wiring. No drilling! No additional cables!
Connect the outputs of your hi-fi system to the audio jacks on the
MicroLink dLAN Audio, and enjoy complete audio mobility at any electri
-
cal socket in the entire house.
Connect your PC and active speakers in different rooms—from outlet to
outlet, over the power supply grid.
Stereo MP3 playback at 192 kbps with integrated encoder and decoder.
Turn your PC into a jukebox with plug-ins for Winamp and Windows
Media Player.
Up to four different channels as audio streams via dLAN Ethernet.
Audio transmission even without a PC—from the hi-fi system to every
room.
Range of up to 200 meters for audio transmission over power supply grid.
3 years warranty.
About this manual
Exacting manufacturing standards and stringent quality control are the basis
for high product standards and consistent quality to ensure your fullest satis
-
faction with this MicroLink dLAN Audio.
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devolo MicroLink dLAN Audio
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EN
This documentation was compiled by several members of our staff from a
variety of departments in order to ensure you the best possible support when
using your product.
For further information, please visit 'www.devolo.com'
Our online services (www.devolo.com) are available to you around the clock
should you have any queries or require any further support.
Package contents
Please ensure that the delivery is complete before beginning with the instal-
lation of your
MicroLink dLAN Audio adapter:
MicroLink dLAN Audio
Stereo cinch cable (1.5 m)
CD ROM with manual and software
devolo AG reserves the right to change the package contents without prior
notice.
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Contents
1 Quick start...............................................................................................7
1.1 Transferring music from the stereo system to active speakers.... 7
1.2 Transferring music from the PC to the stereo system...................9
2 Introduction ..........................................................................................11
2.1 What exactly is dLAN?................................................................11
2.2 What does the MicroLink dLAN Audio have to offer?................11
2.3 System requirements...................................................................14
2.4 Connection, display and operating elements..............................15
2.4.1 Function keys................................................................ 15
2.4.2 LEDs.............................................................................. 16
2.4.3 Connection jacks ..........................................................18
3 Connection and Startup......................................................................20
3.1 Connection...................................................................................20
3.1.1 Connecting the MicroLink dLAN Audio to the power
supply grid...................................................................20
3.1.2 Connecting the analog audio input..............................20
3.1.3 Connecting the analog audio output............................21
3.1.4 Connecting the digital audio input............................... 21
3.1.5 Connecting the digital audio output ............................22
3.1.6 Connecting a microphone ............................................22
3.1.7 Connect the active speakers........................................22
3.2 Initial operation ...........................................................................23
4 devolo MicroLink dLAN software .................................................... 25
4.1 Overview of the devolo software................................................25
4.1.1 MicroLink dLAN Configuration Wizard ........................25
4.1.2 MicroLink Informer.......................................................25
4.1.3 HTML configuration interface......................................25
4.2 Installation of the devolo MicroLink dLAN software..................26
4.3 Configuring the dLAN network with the MicroLink dLAN
Configuration Wizard...................................................................27
4.4 Overview of the dLAN network with the MicroLink Informer..... 28
4.5 The HTML configuration interface for the MicroLink dLAN
Audio adapter ............................................................................. 30
4.5.1 Starting the HTML configuration interface.................. 30
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EN
4.5.2 Selecting the channel with the configuration
interface .......................................................................32
4.5.3 Selecting the operating mode with the configuration
interface .......................................................................33
4.5.4 Configuring channels for Internet radio.......................33
4.5.5 Adjusting the playback delay.......................................35
4.5.6 Configuring the TCP/IP settings...................................36
4.5.7 Updating the firmware.................................................36
5 Windows Media Player and Winamp..............................................38
5.1 Sending audio data from the PC onto the audio network........... 38
5.2 Receiving audio data on the PC from the audio network............41
6 Application examples.........................................................................43
6.1 Computer and external speakers.................................................44
6.2 Computer and stereo system.......................................................45
6.2.1 PC as server.................................................................. 46
6.2.2 Stereo system as server............................................... 46
6.3 Microphone and computer ..........................................................47
6.4 Stereo system and external speakers .........................................48
6.5 Stereo system and Internet .........................................................49
6.6 Microphone and stereo system...................................................51
6.7 Microphone and external speakers.............................................51
6.8 Mixed applications ......................................................................53
7 Appendix ...............................................................................................54
7.1 Technical data .............................................................................54
7.2 Device care and maintenance .....................................................55
7.3 CE conformity...............................................................................55
7.4 Declaration of conformity............................................................56
7.5 Warranty conditions ....................................................................57
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Quick start
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1 Quick start
The MicroLink dLAN Audio adapter is a very flexible tool which allows you to
create an audio bridge between the worlds of the PC and the hi-fi system, as
well as other devices. Since you probably cannot wait any longer to distribute
your music throughout your entire home over the power supply grid, we have
provided this "quick start" to show you two of the most common applications.
In the following chapters, you will find more detailed instructions for possible
applications of the MicroLink dLAN Audio adapter, for installation of the soft
-
ware, and for connection and startup.
Please note that the very brief descriptions in this section are intended for
experienced hi-fi and PC users. The descriptions pertain to a standard config-
uration of the devices which can be assumed in most cases, but may vary in
individual cases. Also, the description pertains to MicroLink dLAN Audio
adapters in the state in which they were when they left the factory.
1.1 Transferring music from the stereo system to
active speakers
To transfer music from your stereo system to active speakers, you need two
MicroLink dLAN Audio adapters.
Plug one of the MicroLink dLAN Audio adapters into an available electri-
cal outlet at the location of your stereo system, and plug the other one in
at the location of your active speakers.
MicroLink dLAN Audio
Stereo system
MicroLink dLAN Audio
Active speakers
Quick start
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EN
Using a cinch (RCA) cable, connect the input jacks of the first MicroLink
dLAN Audio adapter to an output of your stereo system ('R' and 'L' for
analog connections , 'Digital Out' for digital connections ).
On the MicroLink dLAN Audio adapter that is connected to your stereo
system, press the right function key once to set the 'Record from line
input' operating mode (the red LED below it is then lit continuously). Press
the function key twice to enable 'Record from digital input' (the red LED
below it then flashes rapidly).
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Quick start
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Connect the speaker output of the second MicroLink dLAN Audio adapter
to the connection cable of the active speakers.
The MicroLink dLAN Audio adapter connected to the active speakers
remains set to playback mode (the LED below it is off).
That's it! After a network analysis lasting about one minute, the top chan-
nel LED (left) stops flashing and remains lit continuously. At this point,
you can play back music from your stereo system over the connected
active speakers.
1.2 Transferring music from the PC to the stereo sys-
tem
To transfer music from your PC to the stereo system, you need a MicroLink
dLAN Audio adapter, and either a MicroLink dLAN Ethernet or a MicroLink
dLAN USB. The PC is set to assign IP addresses, and you have installed Ver
-
Quick start
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EN
sion 9 or higher of Windows Media Player, or Version 2 or higher of Winamp
(if necessary, you can install Windows Media Player from the devolo CD).
Plug the MicroLink dLAN Audio adapter into an available electrical outlet
at the location of your stereo system, and plug the MicroLink dLAN
Ethernet or the MicroLink dLAN USB into an available electrical outlet at
the location of your PC.
Using a cinch (RCA) cable, connect the output jacks of the MicroLink
dLAN Audio adapter to an input of your stereo system ('R' and 'L' for ana
-
log connections , 'Digital Out' for digital connections ).
Connect the Ethernet or USB port of the dLAN adapter to the correspond-
ing available port on the PC.
Install all of the devolo software from the CD onto your PC, including the
plug-ins for your player software (Windows Media Player or Winamp).
That's it! Now, you can receive music from Windows Media Player or
Winamp via the connected input on your stereo system.
MicroLink dLAN Ethernet or
MicroLink dLAN USB
PC
Stereo system
MicroLink dLAN
Audio
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Introduction
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2 Introduction
In this chapter, we will provide an overview of the dLAN technology and intro-
duce the MicroLink dLAN Audio briefly.
2.1 What exactly is dLAN?
There is now a new alternative to the well-known wired LAN and Wireless
LAN network technologies: dLAN (direct LAN, i.e. directly networked). dLAN
is networking using the electric wiring already installed in the building.
Cost factor and transmission quality
dLAN is an economical and easy-to-use networking technology. You don't
need to lay cables and you can connect to the network at every power point.
The dLAN standard modulates and demodulates additional frequencies on
the power lines. Modulation and demodulation is a well-known and proven
method of data transmission, which has been in use in other applications for
a number of years. Now it is used to set up Internet and network accesses.
Data security and radiation
The power meter in the building can act as a physical barrier against
unwanted access from outside. For security reasons, DES
pro
encryption is
also used, which guarantees secure data transfer within the network.
dLAN devices from devolo meet the stringent EU industrial standards and
comply with the current standards for electromagnetic radiation. Its radiation
level is actually well below that of Wireless LAN technologies.
2.2 What does the MicroLink dLAN Audio have to
offer?
Powerful and flexible
MicroLink dLAN Audio combines dLAN technology with MP3 technology,
thus creating an audio bridge between the worlds of the PC and the stereo
system. MicroLink dLAN Audio offers many advantages for convenient trans
-
mission of music and speech on every floor and every room of your home.
With this product, you can enjoy music quickly and flexibly at any electrical
outlet you want. You don't even have to use a PC to transmit the audio data
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2.4 Connection, display and operating elements
2.4.1 Function keys
The MicroLink dLAN Audio adapter has two function keys:
Selecting the channel with the function keys
Using the left function key , set channels 1 to 4 for sending or receiving
audio data over the power supply network. The LEDs underneath each chan
-
nel indicate which channel you have selected (see “LEDs” on page 16).
Press function key to switch to the next channel. After the fourth channel,
the selection returns to the first.
Selecting the operating mode with the function keys
With the right function key , set the operating mode of the MicroLink dLAN
Audio adapter. The setting you have selected is indicated by the red LED
directly under the function key (
see “LEDs” on page 16).
Press the function key to switch to the next operating mode, from 'Play-
back' to 'Record from line input', to 'Record from digital input', and finally to
'Record from microphone input'. After the last operating mode, the selection
returns to 'Playback'.
As an alternative to operating the MicroLink dLAN Audio adapter using the
function keys, you can also set the channel and the operating mode using the
HTML configuration interface (
page 30).
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EN
Resetting the device to the factory default settings
Simultaneously pressing the two function keys and resets the unit to
the factory default settings. When this is done, all the settings you have
made, such as the channel and operating mode selection, TCP/IP settings or
the assignment of Internet radio stations to specific channels, are reset to the
default values.
Press function keys andsimultaneously. First, all LEDs on the left side
are extinguished; they are then illuminated again in sequence from Channels
1 though 4. Hold down function keys anduntil the four channel LEDs
are extinguished again. After the LEDs are extinguished, the MicroLink dLAN
Audio adapter is reset to the factory default settings.
2.4.2 LEDs
The MicroLink dLAN Audio has eight status LEDs:
The four green LEDs on the left side of the housing display which channel
is currently being used. The LEDs for 'Channel 1' though 'Channel 4' (from
top to bottom) indicate the current status of the channel using a blink
code:
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EN
2.4.3 Connection jacks
You can connect your audio devices using the following jacks:
Analog output
Analog input
Digital output
Digital input
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On the right side of the MicroLink dLAN Audio you will find the following
additional connection options:
Microphone input
Active speaker output
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When the plug-ins are installed, any other existing Winamp DSP plug-ins
in are disabled, and the plug-ins of the MicroLink dLAN Audio Streaming
Server are activated automatically. If you want to use the old DSP plug-
ins again later, you have to re-enable them in the options of the player
software.
The next dialog window shows the default target directory (preset by
devolo), to which the devolo software will be installed. You can accept
the suggested directory or select a new one. Confirm your selection by
clicking Next.
Confirm once again by clicking Next, then end the installation by clicking
Finish.
After the installation has been completed successfully, start the devolo
software by clicking Start Programs devolo MicroLink dLAN
Configuration Wizard or MicroLink Informer.
In Windows Media Player, the plug-ins can be found in the Extras
Options menu on the tab marked 'Plug-Ins' under the entry 'Audio DSP'.
For Winamp, they can be found in the Options Settings menu in the
'Plug-Ins' group under the entry 'DSP/Effect'.
4.3 Configuring the dLAN network with the
MicroLink dLAN Configuration Wizard
Please have at hand the security IDs of the dLAN adapter, which you have
written down earlier. The MicroLink dLAN Configuration Wizard requires this
for configuring the network. You can find the security ID on the bottom of the
unit.
Start the MicroLink dLAN Configuration Wizard by clicking Start Pro-
grams devolo MicroLink dLAN Configuration Wizard.
Confirm with Next. The MicroLink dLAN Configuration Wizard starts the
network analysis and searches your network for the dLAN adapters.
The dLAN adapter that is directly connected to your computer is detected
automatically. All other dLAN adapters must be registered manually. To
do so, enter in sequence the security IDs of the dLAN adapters which,
together, you want to make form a network.
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EN
Make sure that all of the MicroLink dLAN Audio adapters that you want to
add to your network are also connected to the power supply grid.
Then, click Add and confirm with Next after you have entered all the
dLAN adapters you want to add.
In the next dialog window, enter the network password you have chosen
twice and confirm with Next.
The password set up initially by devolo is HomePlug.
Your network password is now assigned to the dLAN adapters you have
selected for the network.
Finish the process of protecting your network by clicking Finish. Your
dLAN network is now protected from unauthorized access from outside.
You can change and/or update the configuration of the dLAN network at any
time. To do so, repeat the configuration process described above.
4.4 Overview of the dLAN network with the
MicroLink Informer
With MicroLink Informer, you always have an overview of the dLAN adapters
on your dLAN network. MicroLink Informer displays a dLAN adapter con
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nected directly to the computer, as well as all dLAN adapters which are avail-
able on the network and which belong to the same dLAN network.
In addition to other information, MicroLink Informer displays the MAC
address of each dLAN adapter and the current connection data rate. For
MicroLink dLAN Audio adapters, the IP address, operating mode and channel
setting are also displayed.
You can use the Device Rename command to change the name of the
highlighted device.
Right-clicking on one of the dLAN adapters opens a context menu in which
the following commands are available, depending on the type and operating
mode of the device:
For all dLAN adapters:
'Rename' opens a dialog in which you can assign a new name to the
device.
'start dLAN configuration wizard' opens a dialog in which you can add
new dLAN adapters to the dLAN network and assign the network
password.
For all MicroLink dLAN Audio adapters, the following commands are also
available:
'Control device' opens the HTML configuration interface for the
selected MicroLink dLAN Audio adapter.
For a MicroLink dLAN Audio adapter in recording mode, the following
commands are also available:
'Playback with Windows Media Player' and 'Playback with Winamp'
both open the corresponding player software and play back the audio
stream sent by this MicroLink dLAN USB adapter.
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4.5 The HTML configuration interface for the
MicroLink dLAN Audio adapter
The HTML configuration interface for the MicroLink dLAN Audio adapter
serves the following purposes:
Operating the MicroLink dLAN Audio adapter, with all actions which you
can also perform using the function keys
Configuring individual channels for playback of certain Internet radio sta-
tions or other MP3 streaming audio providers
Adjusting the playback delay
Configuring the TCP/IP settings
Updating the firmware
4.5.1 Starting the HTML configuration interface
There are two ways to reach your MicroLink dLAN Audio adapter for config-
uration via the HTML interface:
Start the MicroLink Informer by selecting Start Programs devolo
MicroLink Informer. Right-click the entry for the MicroLink dLAN
Audio adapter which you want to operate or configure, and select 'Con
-
trol device' from the context menu.
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If you know the IP address of the corresponding MicroLink dLAN Audio
adapter, you can also start your browser and enter the IP address into the
address bar.
After starting the configuration interface, next to the picture of the MicroLink
dLAN Audio adapter, you see the page for operating the function keys.
The HTML configuration interface is available in German and English. For a
German-language browser version, the interface starts in German; for all
other browser languages, it starts in English. You can change the language of
the interface by clicking the language symbols on the upper left.
On the left side of the window is the main menu with the entries 'Operation',
'Configuration' and 'Firmware'. Click these entries to go to their correspond
-
ing areas.
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4.5.2 Selecting the channel with the configuration interface
As an alternative to using the function keys (page 15), you can use the HTML
configuration interface to set the channel you want to use.
To do so, on the 'Operation' page, click on the left function key in the image
of the MicroLink dLAN Audio adapter. Each click switches to the next chan
-
nel; after the fourth channel, you are returned to the first.
The display of the left LED bar on the screen also changes. Just as on the
MicroLink dLAN Audio, the LED indicates which channel you have selected.
For switching over more quickly or performing configuration via browsers in
which the picture of the MicroLink dLAN Audio adapter does not appear, you
can also click on the corresponding entry on the left of the operating page.
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4.5.3 Selecting the operating mode with the configuration
interface
You can also set the operating mode of the MicroLink dLAN Audio using the
HTML configuration interface instead of the function keys (
page 15).
To do so, on the 'Operation' page, click on the right function key in the image
of the MicroLink dLAN Audio adapter. Each click switches to the next operat
-
ing mode, from 'Playback' to 'Record from line input' to 'Record from digital
input' and finally to 'Record from microphone input'. After the last operating
mode, the selection returns to 'Playback'.
The display of the red LED in the right LED bar also changes. Just as on the
MicroLink dLAN Audio unit itself, the LED indicates which operating mode
you have selected.
For switching over more quickly or performing configuration via browsers in
which the picture of the MicroLink dLAN Audio adapter does not appear, you
can also click on the corresponding entry on the left of the operating page.
4.5.4 Configuring channels for Internet radio
With the MicroLink dLAN Audio adapter, you can transfer music from Internet
radio stations or other MP3 streaming audio providers directly to your audio
network—without the need for a detour through a PC. For this application,
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the channels of the MicroLink dLAN Audio adapter are set using the HTML
configuration interface to receive Internet radio stations.
To do so, on the 'Configuration' page, click the entry for the channel for which
you want to configure Internet radio. In the dialog which follows, you can
enter a descriptive name as well as the IP address of the streaming server,
the port to be used and the file name. For ease of identification, the name you
have selected is then included in the list of channels on the 'Operation' page.
The file name consists of everything in the streaming path which comes after
the top level domain name. For example, if you are receiving the audio stream
from the address “http://www.mystreamingserver.com/music/stream.mp3”,
the file name is just “/music/stream.mp3”.
For playback of MP3 streams, you can also use web servers on the local net-
work.
If you want the MicroLink dLAN Audio adapter to use this audio stream for
playback on the current channel, enable the 'Playback of an MP 3 streaming
server' option.
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4.5.5 Adjusting the playback delay
The audio files are cached in the MicroLink dLAN Audio adapter during
streaming to ensure good playback quality also in case of disruptions. This
caching process necessitates a playback delay that you can adjust to suit your
line quality.
On the 'Configuration' page, click the 'Playback delay' entry. Select the
desired setting and confirm with Save.
Choosing a higher playback delay will cause the MicroLink dLAN Audio
adapter to cache more data. As a result, playback interruptions due to data
communications bottlenecks will be less frequent.
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4.5.6 Configuring the TCP/IP settings
If you are using static IP addresses on your network, you can also use the
HTML configuration interface to assign a certain IP address to the MicroLink
dLAN Audio adapters.
On the 'Configuration' page, click the 'Configure TCP/IP settings' entry. In the
dialog which follows, you can set the IP address, the subnet mask and the
standard gateway. To do so, enable the 'Use the following TCP/IP settings'
option to switch off automatic assignment of IP addresses.
Please note the IP address you have assigned to the MicroLink dLAN Audio
adapter. If you ever change the IP addresses on your network, you can use
this address to access the MicroLink dLAN Audio adapter without having to
restore the factory default settings. For one PC on the network, set a static IP
address from the address range of the MicroLink dLAN Audio adapter, and
then change the TCP/IP settings of the unit according to your new network
configuration.
4.5.7 Updating the firmware
We continue to provide support with software and firmware updates for your
device after you have purchased the MicroLink dLAN Audio adapter. After
downloading new firmware from the Internet, you can use the HTML config
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uration interface to load it into the device. The settings of the device are not
changed by updating the firmware.
To update the firmware, go to the 'Firmware' page. The current firmware ver-
sion is displayed in the upper area of the window. Click the Browse... button
to select the new firmware. Next, click the Upload firmware button to
transfer the selected file to the MicroLink dLAN Audio adapter.
After uploading the firmware, you have to wait another minute before con-
tinuing to make adjustments to the device.
After restarting, the unit can no longer be reached under the same IP address.
In this case, open the HTML configuration interface again via the MicroLink
Informer.
Windows Media Player and Winamp
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you can select the channel on which you want the player software to
transmit the music to the audio network.
Confirm the dialog windows which open by clicking OK and return to the
main view of Windows Media Player. Now, the music you play in the
Media Player software is available everywhere on the audio network on
the channel you have set.
Winamp as MP3 server on the audio network
In Winamp, open the menu Options Preferences.
From the 'Plug-Ins' category, select the entry 'DSP/Effect'. If the plug-in
has been installed correctly, you will find the entry for the 'MicroLink
dLAN Audio Streaming Server' in the list of plug-ins in the right section
of the dialog window.
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Application examples
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Regardless of whether the PC is in your home office or is located in the base-
ment as a media server, you can supply music from a single source to multiple
rooms.
Connect the PC to the power supply grid via a MicroLink dLAN Ethernet
or MicroLink dLAN USB. Connect the speakers via the Line-Out jack on
the MicroLink dLAN Audio.
On the PC, start your MP3 playlist in Windows Media Player or Winamp.
In the plug-in you are using, set the channel to be used for transfer.
On the MicroLink dLAN Audio adapter, use the switches to set the chan-
nel to be received, and select playback mode.
Or, alternatively, you can use the Line-Out jack of your PC's sound card and a
MicroLink dLAN Audio adapter to connect your PC to the power supply grid.
In this case, you do not need any plug-ins for the player software, and can set
the channel directly at the sending MicroLink dLAN Audio adapter. With this
setup, you can also use player software, which does not have its own plug-
ins!
6.2 Computer and stereo system
The audio stream which a computer feeds into the power supply grid via a
dLAN adapter can also be received by a stereo system. The stereo system can
For this application you need:
Server PC with audio files (e.g. MP3) and software for playback (Win-
dows Media Player or Winamp)
Client Active speakers
dLAN adapter MicroLink dLAN Audio (1x per speaker set)
MicroLink dLAN Ethernet or MicroLink dLAN USB (1x)
Application examples
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devolo MicroLink dLAN Audio
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46
EN
either play back this stream directly via the connected speakers, or record it
for later use e.g. using a tape deck.
6.2.1 PC as server
Using a cinch (RCA) cable, connect an input of your stereo system to the
corresponding output of the MicroLink dLAN Audio. Connect the PC using
a MicroLink dLAN Ethernet or MicroLink dLAN USB.
On the PC, start your MP3 playlist in Windows Media Player or Winamp.
In the plug-in you are using, set the channel to be used for transfer.
On the MicroLink dLAN Audio adapter, use the switches to set the chan-
nel to be received, and select playback mode.
6.2.2 Stereo system as server
To receive music from the stereo system on the PC, connect an output of
your stereo system to the corresponding input of the MicroLink dLAN
MicroLink dLAN Audio
MicroLink dLAN Ethernet or
MicroLink dLAN USB
Stereo system
PC
For this application you need:
Server/Client PC with audio files (e.g. MP3) and software to playback (Win-
dows Media Player or Winamp)
Client/Server Stereo system
dLAN devices MicroLink dLAN Audio (1x)
MicroLink dLAN Ethernet or MicroLink dLAN USB (1x)
|
Application examples
47
|
devolo MicroLink dLAN Audio
|
EN
Audio using a cinch (RCA) cable. The PC is connected using a MicroLink
dLAN Ethernet or a MicroLink dLAN USB.
On the MicroLink dLAN Audio adapter, use the switches to set the send-
ing channel and the corresponding recording mode.
On the PC, start playback with the MicroLink Informer.
6.3 Microphone and computer
As shown in the example “Computer and stereo system” on page 45, the PC
can also be used as a recording or playback device. Instead of the stereo sys-
tem, you can use a microphone as the source of the audio data.
Connect the PC to the power supply grid using a MicroLink dLAN Ethernet
or MicroLink dLAN USB; connect the microphone via the "Mic" input of
the MicroLink dLAN Audio.
On the MicroLink dLAN Audio adapter of the microphone, use the
switches to set the sending channel, and select recording mode.
On the PC, start playback using the MicroLink Informer.
As soon as you speak into the microphone while it is switched on, the audio
data are transferred to the PC via the power supply grid and played back.
MicroLink dLAN Audio
MicroLink dLAN Ethernet or
MicroLink dLAN USB
Microphone
PC
For this application you need:
Server Microphone
Client PC with speakers for playback or software for recording and
editing the audio data
dLAN devices MicroLink dLAN Audio (1x)
MicroLink dLAN Ethernet or MicroLink dLAN USB (1x)
Application examples
|
|
devolo MicroLink dLAN Audio
|
48
EN
Please note that, because of the buffering required for the streaming process,
the speech reaches the PC on a time-delayed basis.
6.4 Stereo system and external speakers
Using the MicroLink dLAN Audio, not only can you send music to every room
of the house, you can also use the stereo system as the source for the active
speakers.
To play back music from the stereo system on the active speakers, use a
cinch (RCA) cable to connect an output of your stereo system to the cor
-
responding input of the MicroLink dLAN Audio. Connect the active speak-
ers via the Line-Out jack of the second MicroLink dLAN Audio.
On the MicroLink dLAN Audio adapter of the stereo system, use the
switches to set the sending channel, and select recording mode.
On the MicroLink dLAN Audio adapter of the speakers, set the same
channel, and select playback mode.
MicroLink dLAN Audio
Stereo system
MicroLink dLAN Audio
Active speakers
For this application you need:
Server Stereo system
Client Active speakers
dLAN devices MicroLink dLAN Audio (1x for the stereo system and 1x for each
active speaker set)
|
Application examples
49
|
devolo MicroLink dLAN Audio
|
EN
As soon as you initiate stereo system functions such as starting CD playback
or switching on the radio, the audio data are sent through the power supply
grid to the active speakers for playback.
Please note that, because of the buffering required for the streaming process,
the music reaches the active speakers on a time-delayed basis. Therefore,
this installation is not suitable for activating speakers which are located in
the same room as those connected directly to the stereo system.
6.5 Stereo system and Internet
A dLAN Audio can not only transfer music from a PC to the stereo system, it
can also transfer music data directly from the Internet to the stereo system.
This does not require a PC; the audio files are transferred directly from the
Internet to the MicroLink dLAN Audio adapter.
Using a cinch (RCA) cable, connect an input of your stereo system to the
corresponding output of the MicroLink dLAN Audio; connect the modem
router to a MicroLink dLAN Ethernet.
MicroLink dLAN Audio
MicroLink dLAN Ethernet
Modem router
Stereo system
ADSL connection
For this application you need:
Server Internet radio station and Internet access device with Ethernet
connection
Client Stereo system
dLAN devices MicroLink dLAN Audio (1x)
MicroLink dLAN Ethernet (1x)
|
Application examples
53
|
devolo MicroLink dLAN Audio
|
EN
6.8 Mixed applications
The applications shown in the previous sections can be combined as desired
into installations which suit your individual needs. The following illustration
shows an example in which almost every imaginable type of audio source and
recording/playback device, from a PC, Internet connection, stereo system,
microphone, active speakers to a TV set, are connected to each other via the
power supply grid.
In this setup, the PC is connected via a MicroLink dLAN Ethernet or a
MicroLink dLAN USB, the modem router is connected via a MicroLink dLAN
Ethernet, and all other devices are connected to the power supply grid via a
MicroLink dLAN Audio.
MicroLink dLAN Audio
MicroLink dLAN Ethernet or
MicroLink dLAN USB
Microphone
PC
Active speakers
Stereo system
MicroLink dLAN Audio
MicroLink dLAN Audio
PC
Television
MicroLink dLAN Audio
MicroLink dLAN Ethernet or
MicroLink dLAN USB
MicroLink dLAN Ethernet
Appendix
|
|
devolo MicroLink dLAN Audio
|
54
EN
7 Appendix
7.1 Technical data
MicroLink dLAN Audio
Standards Compatible with HomePlug standard
MP3 decoder/encoder
Compatible with Internet radio
Protocols CSMA/CD over the power supply grid
MP3 data rate 192 kbps stereo audio signal transfer
Transfer
method
Asynchronous, over power supply grid
Network buffer Average of 3 seconds
Modulation OFDM - 84 Carrier (Orthogonal Frequency Division Multiplexing)
over the power supply grid
Range 200m over the power supply grid
Security DES
pro
over the power supply grid
LEDs Power
4 x channel
Encoder/Decoder
dLAN Link
dLAN Act
dLAN connection EURO power plug
Audio interface Line-In: 2 x cinch (RCA)
Line-Out: 2 x cinch (RCA)
1 x Out (phone plug)
1 x Mic
SPDIF In: 1 x cinch (RCA)
SPDIF Out: 1 x cinch (RCA)
Function keys Key 1: channel selection from 4 channels
Key 2: encoder/decoder
Key 1 + Key 2: factory default
Power consumption 6 W (max.)
Power supply Integrated power supply via electrical outlet:
Rated voltage: 230 V AC
Rated current: 0.045 A
Nominal frequency: 50/60 Hz
Temperature Storage: -25 °C – 70 °C
Operation: 0 °C – 40 °C
Humidity 10 - 90%, non-condensing
|
Appendix
57
|
devolo MicroLink dLAN Audio
|
EN
7.5 Warranty conditions
The devolo AG warranty is given to purchasers of devolo products in addition to the warranty
conditions provided by law and in accordance with the following conditions:
1 Warranty coverage
a) The warranty covers the equipment delivered and all its parts. Parts will, at devolo's sole
discretion, be replaced or repaired free of charge if, despite proven proper handling and ad
-
herence to the operating instructions, these parts became defective due to fabrication and/
or material defects. Alternatively, devolo reserves the right to replace the defective product
with a comparable product with the same specifications and features. Operating manuals
and possibly supplied software are excluded from the warranty.
b) Material and service charges shall be covered by devolo, but not shipping and handling
costs involved in transport from the buyer to the service station and/or to devolo.
c) Replaced parts become property of devolo.
d) devolo is authorized to carry out technical changes (e.g. firmware updates) beyond repair
and replacement of defective parts in order to bring the equipment up to the current tech
-
nical state. This does not result in any additional charge for the customer. A legal claim to
this service does not exist.
2 Warranty period
The warranty period for this devolo product is three years. This period begins at the day of deliv-
ery from the devolo dealer. Warranty services carried out by devolo do not result in an extension
of the warranty period nor do they initiate a new warranty period. The warranty period for in
-
stalled replacement parts ends with the warranty period of the device as a whole.
3 Warranty procedure
a) If defects appear during the warranty period, the warranty claims must be made immedi-
ately, at the latest within a period of 7 days.
b) In the case of any externally visible damage arising from transport (e.g. damage to the hous-
ing), the person carrying out the transportation and the sender should be informed immedi-
ately. On discovery of damage which is not externally visible, the transport company and
the sender are to be immediately informed in writing, at the latest within 3 days of delivery.
c) Transport to and from the location where the warranty claim is accepted and/or the repaired
device is exchanged, is at the purchaser's own risk and cost.
d) Warranty claims are only valid if a copy of the original purchase receipt is returned with the
device. devolo reserves the right to require the submission of the original purchase receipt.
4 Suspension of the warranty
All warranty claims will be deemed invalid
a) if the label with the serial number has been removed from the device,
b) if the device is damaged or destroyed as a result of acts of nature or by environmental in-
fluences (moisture, electric shock, dust, etc.),
c) if the device was stored or operated under conditions not in compliance with the technical
specifications,
d) if the damage occurred due to incorrect handling, especially to non-observance of the sys-
tem description and the operating instructions,
e) if the device was opened, repaired or modified by persons not contracted by devolo,
… 57


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