Man ada102 eng

SOLIDYNE SRL
3 de Febrero 3254 (C.P. 1429)
Buenos Aires - Argentina
Tel.: +54 11 4702 0090
Fax: +54 11 4702 2375
www.SolidynePRO.com
info@solidynepro.com
ADA102 CODER - DECODER
TCP/IP studio-to-transmitter link
User's manual
Last revision: May 2011
Firmware 2.05

Table of contents
Overview - ADA102 CODER / DECODER . .5
1.1 About this manual..................................................5
1.2 What's in the box?..................................................5
1.3 Features..................................................................5
Section 1 - Hardware and connections .....7
1.1 General connection diagram ..................7
1.2 Rear panel.................................................7
1.2.1 Power supply.......................................................7
1.2.2 Audio inputs and outputs...................................7
Balanced input/output connections:......................................7
Unbalanced connections: .....................................................7
1.2.3 LAN port...............................................................8
1.2.4 USB port...............................................................8
1.2.5 Serial port.............................................................8
1.2.6 Remote control....................................................8
1.2.7 MPX output (optional ADA102mpx)...................8
1.2.8 Reset.....................................................................8
1.3 Frontal panel.............................................9
1.3.1 Level indicators...................................................9
1.3.1.1 VU mode Tx/Rx.........................................................9
1.3.2 SATUS LED's...............................................................9
1.3.2 Headphones output.............................................9
1.3.3 Input Gain.............................................................9
1.3.4 Output Gain..........................................................9
1.4 STL connection diagram........................11
1.4.1 Connection diagram for streaming transport..11
1.4.2 Levels adjustment.............................................11
1.4.2.1 Audio processor locates at the studios with
analogical connections........................................................11
1.4.2.2 Full digital connections............................................12
1.4.2.3 Audio processor locates at transmission plant.......12
1.4.3 Using an RF digital link....................................12
Section 2 - Software settings....................13
2.1 ADA102 into the Studios – Brief guide..13
2.1.1 Entering to ADA102...........................................13
Step 1..............................................................................13
Step 2..............................................................................13
Step 3..............................................................................13
Step 4..............................................................................13
2.1.2 Set the working mode.......................................13
2.1.3 Audio options....................................................13
Step 6..............................................................................13
2.1.4 Status screen (home)........................................14
2.2 ADA102 at the Transmitter Plant
Brief guide ....................................................14
2.2.1 Instalation..........................................................14
Step 1..............................................................................14
Step 2..............................................................................14
Step 3..............................................................................14
Step 4..............................................................................14
Step 5..............................................................................14
Step 6..............................................................................14
2.2.2 ADA102 working as decoder............................14
Step 7..............................................................................15
Step 8..............................................................................15
2.2.3 Status screen.....................................................15
2.3 Advanced settings..................................17
2.3.1 Setting temporary IP address using ARP
command ...................................................................17
2.3.2 Remote control..................................................18
2.3.3 Serial port...........................................................18
2.3.4 About audio settings.........................................19
Encoding & Frequency....................................................19
2.3.5 Calculating the bit rate......................................19
2.3.6 Emergency pendrive.........................................20
2.4 Other connection modes........................21
2.4.1 Half-duplex link with unknown IP at the
transmitter plant.........................................................21
2.4.2 Full-duplex link with unknown IP at the
Studios........................................................................21
2.4.3 Link with repeaters...........................................22
Section 3 - Technical specifications........23
Digital Streaming Input / Output ..............................23
Other features.............................................................24
MPX output (modelo ADA102mpx)...........................24
SOLIDYNE ADA102 CODER/DECODER Page 3

Overview ADA102 CODER / DECODER
1.1 About this manual
Solidyne® All rights reserved. No part of this document
can be copied or reproduced. All information is subject to
change without notice. All mentioned trademarks belong
to their respective owners and are used for reference only.
The exclamation icon within a triangle that appears in
this manual is intended to alert the user to the presence
of important instructions on the operation and
maintenance (servicing) of the equipment.
 The pencil icon that appears in this manual is to alert the
user to the presence of notes, suggestions and examples
about the operation.
1.2 What's in the box?
Inside the box you will find the following:
· 1 ADA102 Encoder / Decoder (rack module).-
· 1 AC power cord.-
· 1 crossed LAN cable
· Printed user manual (this manual).-
· Warranty certificate.-
Please check the items when receive it to verify that all
components are okay.
1.3 Features
The encoder/decoder Solidyne ADA102 is a stand
alone streaming generator, designed to work as Studio
to Transmitter Link (STL). Encoder works with stereo
audio signals turning it into an MP3 or PCM audio
streaming, under different modes (see specifications).
The coded output is an RJ45 connector compatible with
Ethernet TCP/IP networks. ADA102 has analogical audio
inputs (balanced) and digital AES-3 or S/PDIF.
At the other end, an ADA102 set as DECODER convert
the incoming stream (from Internet or microwave link
802.11.x) into analogue audio signal or a digital stereo
AES-3 (S/PDIF compatible), sent to transmitter.
Model ADA102mpx decoder incorporates a third type of
output: Baseband MPX for direct connection to a
broadcasting FM transmitter.
The unit has four relay remotely managed. At the
encoder, four inputs manages four switches on the
decoder, and vice versa.
The USB port lets you connect a pendrive when the
ADA102 works as a decoder. If the incoming streaming
drops by congestion or network failure, the ADA102
Decoder will start to play audio files from USB device
until the connection restored.
The serial port support "gateway". From studios, using
a computer connected to the ADA102 encoder, you can
command a remote device directly connected to the
ADA102 decoder at the transmitter plant, as if the device
was connected directly to the computer on Studio.
Main features
• Can be set as Encoder or Decoder by settings,
using the WEB Control Panel.
• Generates MP3 streams at adjustable bit rates
(VBR) from analogue or digital (AES-3)
sources. Compressed audio is not supported
for full-duplex transmissions.
• Generates G.711 (aLaw/uLaw) streams at 8 or
48 KHz sample rate from an analogue source.
• Generates PCM (16 bit) streams from 8 up to
48KHz sample rate from an analogue source.
• Supports Full-duplex for PCM and G.711.
• 10/100 Mbit Ethernet connection supports
automatic network configuration (BOOTP,
DHCP, AutoIP and IPzator) as well as manual
static IP configuration.
• Features SonicIP® announcing the IP address
on power up over the audio outputs.
• Control and configuration using a standard web
browser.
• Remote monitoring using SNMP.
• Remote controllable using HTTP, TCP and
UDP.
• 4 inputs to manage 4 switches at the remote
device.
• Serial port gateway.
• In half-duplex the unit automatically recognizes
the audio format of incoming streaming.
• Balanced analogue inputs / outputs.
• Base band MPX output for FM (optional).
• USB Pen Drive for emergency audio. If the
streaming is lost due to network failure, the
decoder plays from USB device until streaming
restores.

Section 1 Hardware and connections
1.1 General connection diagram
1.2 Rear panel
FM base band
(MPX)
Remote
control
1.2.1 Power supply
RS-232
USB 110/220 AC selector
Ethernet
Streaming
RESET
Always CHECK the correct position of the
VOLTAGE SELECTOR (200/240V o 100/130V,
according to the country)
AC wires do not have to be mixed with audio wires,
especially with analogical ones. Remember that all audio
installation must have a trustworthy grounding. We
recommend accomplishing with the standards - Article
810 of the National Electricity Code (NEC); ANSI/NFPA Nº
70-1984 in USA; IRAM 2379 and 2281-3 in Argentina.
This standard provides information and guidelines for a
consistent grounding.
1.2.2 Audio inputs and outputs
Analog inputs and outputs are electronically balanced.
The inputs are “bridging” type, with impedance greater
than 10 KOhms. The connectors used, as is standard,
are female XLR-3 for the inputs and male for the outputs.
AES-3 input AES-3 output
Balanced
analogue
inputs
Balanced
analogue outputs
Take specially care with the phase.
· Use one pair shielded audio cables of good
quality, preferably with double shielding. The
maximum length recommended is 30 mts,
although in special cases it's possible to achieve
100 mts. accepting a little loss at high
frequencies.
· The connection of this cables are made as is
standard. See the following table:
Balanced input/output connections:
1 = GND
2 = balanced positive phase (+)
3 = balanced negative phase (-)
Unbalanced connections:
Inputs: Signal = 2; GND = join 1 y 3
Outputs: Signal to pin 2; leave pin-3 unconnected. GND = pin 1

AES-3 input and output cables connect as following:
XLR Signal
1 GND
2 AES3 (1)
3 AES3 (2)
AES3 standard connection
S/PDIF device can connect to AES-3 input/output of
ADA102 using an S/PDIF to AES-3 adapter.
No software setting is needed to enable AES-3. Decoded
audio are always sent to Analog and AES-3 outputs.
1.2.3 LAN port
Standard Ethernet RJ45 10/100 to connect the unit to a
switch/router to send or receive audio streaming.
1.2.4 USB port
Lets plug in a flash memory storage (Pen Drive) when
the unit works as a decoder, so that in case of loss of
streaming, the decoder switches to the Pen Drive to
continue with the audio playback. USB 1.1 compatible
devices are supported, with the following limitations:
• Only mass storage devices are supported.
• HUB's are not supported (some flash drives have an internal HUB)
• 4GB is the maximum capacity. If the flash disk is larger, create a 4
GB partition. Only the first partition is supported.
• First partition mus be FAT16 format.
If your computer does not recognize the pen drive, the
following procedure can help you find the reason:
• Open an Internet browser, enter the ADA102 IP address followed
by /status (i.e.: 102.168.0.110/status).
• Scroll down until "USB device info"
• Check if "Filesystem type” is "FAT16". If it's "FAT32", reformat the
USB memory as FAT16.
The USB must contain a playlist file named
"playlist.m3u" which determines the order in which
MP3 files are played. This playlist can be created with
the Winamp audio player (www.winamp.com) or any
software that generate .m3u playlist files.
When the USB is puged, ADA102 will reboot to detect the
device, so audio output will be muted by few seconds.
1.2.5 Serial port
The serial port is used to command, from the studios, a
device located in the transmitter plant as if it were
directly connected to serial port of the computer at the
Studio. For this ADA102 generates a gateway for
transporting serial data transparently through the
network (see "2.3 - Advanced Settings). The connection
requires a standard RS232 cables.
1.2.6 Remote control
Each unit has four inputs and four outputs for remote
control. Each input can controls a switch off the remote
unit.
Inputs are type “dry inputs”. To enable an input (input
“on”) send it to a GND pin of DB-15.
The output switches 1 and 2 are "open collector" type
(used for example to command external control circuit).
Switches 3 and 4 are mechanical relays that can
manage up to 1 A @ 24 VDC.
DB-15 pin out:
PIN Signal PIN Signal
1 Input 1 5 Switch 1 (open collector)
2 Input 2 6 Switch 2 (open collector)
3 Input 3 7 y 4 Switch 3 Relay, normal open
4 Input 4 8 y 5 Switch 4 Relay, normal open
9 a 13 GND
1.2.7 MPX output (optional ADA102mpx)
The model ADA102mpx includes a stereo coder that
generates the FM baseband signal. This output is
connected to an FM transmitter. The MPX cable is a
RG-59 (coaxial 75 ohms), like the used for CATV. The
output connector is BNC. The maximum length
recommended for this cable is 25 m. Take care with the
grounding; although this rarely is cause of problems
because all Solidyne processors have MPX differential
outputs, that is to say, with the ground isolated from the
cabinet, to avoid ground loops. If some residual
humming appears when the system is on the air; power
off ADA102. If the humming disappears, check the
input connections at the decoder. If, however, the
humming continues (and only disappears unplugging
the MPX cable), this indicates some important problem
with the grounding.
When enters to the transmitter through the MPX input,
make sure that the internal pre-emphasis network IS
DISCONNECTED (that is to say, flat response from 20
Hz to 100 KHz). Contrary, when use an external stereo
coder, make sure that the generator INCLUDES the
pre-emphasis curve. This is due that ADA102 audio
output DOES NOT INCLUDE pre-emphasis (only the
MPX output has pre-emphasis).
1.2.8 Reset
Pressing this button restarts the unit. Press and hold for
10 seconds to reload the factory defaults.
If you start your computer holding down the button for 5
seconds, ADA102 starts in “firmware update” mode.

1.3 Frontal panel
Level indicators
Shows the input level (coder mode) or the output
level (decoder mode).
Headphones
VU MODE STATE Output gain (analogue)
1.3.1 Level indicators
ADA102 has two needle-type VU meters that shows the
real peak value of audio signal.
1.3.1.1 VU mode Tx/Rx
This button changes the signal that the VU shows.
Tx shows the level of the analogue input. Adjusting the
input level you are adjusting the transmission level. This
is the usual work mode in the Studios.
Rx shows the output level of analogue output and
streaming. This is the usual work mode in the
Transmitter Plant.
Level indicators do not work with AES-3 signals.
1.3.2 SATUS LED's
During the initial boot up sequence the 2 status indicator
LEDs can indicate the following anomalies:
No Application loaded (only bootloader) or started with
hold reset button during power up: The green LED is on
and the red LED blinks.
Application starts (boot-up sequence):
First the red goes on and the green LED blinks once.
Then during the startup the green and red LEDs blink.
During DHCP the red LED blinks with a continuous
cycle . The green LED blinks five times and then pause
four times.
If an error is detected the red led remains on and the
device resets itself after the green LED has indicated the
error as follows:
ERROR Green LED blinks
Corrupt application or IP address conflict five times
The Network hardware could not be initialized or
a Corrupt MAC address three times
Input gain
In normal conditions:
Green LED Red LED State
OFF BLINKING
Application is detecting USB devices or
announcing the assigned IP address using
SonicIP technology.
ON OFF The application is operational.
ON ON Reset Button is being pressed, the unit will
reboot after releasing the button.
1.3.3 Headphones output
Gives the output signal with headphones level, to
monitoring. The level changes with the output level
control.
1.3.4 Input Gain
Manages the input gain of the analog inputs. Adjust this
level to reach 0 VU with signal peaks. To see the input level
the VU meter must be in Tx mode.
1.3.5 Output Gain
Manages the analog output level. At 0 VU the output level is
+4 dBm. To see the output level the VU meter must be
settled as Rx from rear panel.

1.4 STL connection diagram
1.4.1 Connection diagrams for streaming
transport
The figures above shows two examples of streaming
link in FM stations.
In diagram (a) the audio processor is located at the
studies, and carries the processed audio to a
ADA102mpx connected directly to transmitter. In this way
the processor works with the audio signal directly from
the console, and ADA102 carries the processed audio.
This is the recommended configuration for FM.
The diagram (b) shows a chain of 100% digital audio,
using inputs and outputs AES-3. In this case, the
processor appears in transmission plant, which is
processing the audio decoding of MPEG streaming. The
output of MPX audio processor is connected directly to
the transmitter.
In AM stations, the audio processor must be close to
the transmitter to maintain a DC coupling that allows
the asymmetric modulation.
Figure (a) – STL with audio processor at the Studios
Fig.(b) – STL using an digital audio chain. For AM stations, the audio processor must be next to the transmitter
1.4.2 Levels adjustment
1.4.2.1 Audio processor locates at the studios
with analogical connections
When the audio processor is at the Studio, connected by
analog input – case (a) mentioned above – the input
level of ADA102 CODER is a critical issue.
• Choose a high density musical program.
• Play on-air the music and check the audio
processor to verify that the AGC compression
be 10 dB or higher.
• Adjust carefully the ADA102 input gain to
obtain a 0 VU deviation with the peaks.
Needle must never overpass the 0 VU
indication.
At the other end, ADA102mpx receives the streaming.
The incoming streaming is decoded and sent to MPX
stage. To adjust the 100 % of modulation proceed:
• ADA102mpx has two presets at the rear panel:
MPX level and 19 kHz Pilot Tone level.
• Playing the same high-density song used to
adjust the CODER, adjust the MPX level
preset to obtain 100% of modulation at the
transmitter. Read this value at the exciter
VUmeter
• If you have a modulation meter available
(Solidyne VA16, Belar, Innovonics, etc.) we
recommends to use the measurements of this
instrument instead of the exciter value.

• If you have a modulation meter available,
adjust the pilot tone depth to 8% / 10% using
the correspondent preset of ADA102mpx. If
you don't have a modulation meter, do not
change this preset.
Do not push the screwdriver. The preset can be broken.
The level knob at the ADA102mpx front panel do not
changes the MPX level. Only take effect on the level of
balanced outputs, so it must be adjusted only to obtain a
visualization at the VU-meters, which will indicate that
input streaming is present.
The internal input gain (software) do not be changed.
It must be -1 dB (default value).
1.4.2.2 Full digital connections
Whenever the audio processor is located, in a full digital
audio chain – case (b) mentioned above – the controls
on frontal pannel do not take effect over the signal. The
adjustment is made from web control pannel. The level
of the digital audio is not changed by the encoding–
decoding process.
• You must set the output level of the decoder
output (wich excites the stereo coder input)
according to the output level (dBfs) of the audio
processor. Default output level is -1 dB (for use
with analog signals).
This level is adjusted from web control pannel, in
the section Basic Settings → Configration →
Audio (Output Audio Level).
Next, a table with reference Output Audio Level
values, A continuación una tabla con valores de
referencia.
Procesador output (dBfs ) Decoder Output
- 3 dBfs - 6 dB *
- 6 dBfs - 3 dB
- 9 dBfs 0 dBfs
* Value for Solidyne digital processors
 The knob level at the front panel only takes effect over analog
inputs, and VU meters do not operate with digital signal.
• To adjust the modulation depth, proceed like
the previous case (MPX preset).
1.4.2.3 Audio processor locates at
transmission plant
When ADA102 links the Studios to Transmission Plant,
where ADA102 DECODER connects to the audio
processor; the audio level managed by ADA102 link is
not critical, since the processor at the end of chain
controls the level sent to the transmitter.
• In ADA102 CODER, adjust the input gain to
reach 0 VU with signal peaks. If you are
connecting the AES-3 input, the level
adjustment is no needed (neither possible).
• In ADA102 DECODER, adjust the output level
knob to reach 0 VU with signal peaks. If you
are connecting the AES-3 output, the level
adjustment is no needed (neither possible).
• Now follow the Audio Processor user's
manual in order to adjust the modulation.
1.4.3 Using an RF digital link
The use of a ADA102 CODER in studios connected to
broadband Internet, allows to cover any distance from
studios to transmitter plant. This solution can be used to
STL links and for radio networks, so one coder from
studios can send a signal to several slaves throughout
the country.
Another solution to transport the audio streaming
maintaining the great sound quality at low cost: a
microwave link for 5.8 GHz (or 2,4 GHz in some
countries) using the standard 802.11.x. This band is
free in all countries and does not require any special
authorization. It is able to cover 45 Km and should not
have major obstacles between the two sides.
For details, please contact us (info@solidynepro.com).

Section 2 Software settings
2.1 ADA102 into the Studios – Brief guide
ADA102 can be settled to work as a coder, as
decoder, or both at once for full-duplex connections.
In this example we assume a unidirectional link (half-duplex)
between Studios and Transmitter Plant. In the
Studios the ADA102 works as ENCODER, generating
and sending an audio streaming to the transmitter. At
the transmitter plant ADA102 receives the streaming
and decode it to audio.
2.1.1 Entering to ADA102
ADA102 is configured using a web browser. By
default, ADA102 uses "Dynamic IP" so that when
connected to a LAN, gets an IP address via DHCP
(the router assigns an IP). The procedure is as
follows:
Step 1
Plug the unit to the LAN using a standard RJ45 cable.
Step 2
Plug a headphone to the frontal panel connector.
Please have your pen and paper to write the IP
address that will be announced.
 The level of the headphones is managed by the output gain
knob. If you don't hear the IP, check this knob.
Step 3
Power on ADA102 (main switch locates at the rear
panel). The ADA102 CODER will search for a DHCP
server to get an IP address. Once obtained the IP,
your ADA102 is now ready to start working. Green Led
on front panel will blink.
If no DHCP server is found then ADA102 will search the network
for a free IP address (this could take up to 5 minutes). If all is right,
DATA LED at the front panel will blink. If the front LED's (“data”
and “error”) stay dark check the power cabling. If it still fails, please
contact to Solidyne.
Step 4
Open an Internet browser (i.e. Firefox, Internet
Explorer) and enter the announced IP address. The
web control panel will appears on screen.
2.1.2 Set the working mode
The STATUS screen indicates the current settings. Go
to the options that appears at the top of the window.
Click on “Location” and choose 'Studio Encoder'.
Step 5
Since this unit will send streaming from the studios, is set
as an encoder to generate the streaming. For make this,
go to option “Configuration” and select “Basic settings” in
the left drop-down menu.
• Define “Stream method” as “Push (RTP)”
• In the field URL enter the IP or DNS, and the
destination port for the streaming. ADA102
CODER will stream directly to this IP address.
• Press “Apply” to confirm these values.
This destination IP address is the external address of
the network where the decoder is located (the static IP
assigned by your ISP). When packets reaching the
router/firewall at the other end, they should be redirected
to the local IP address of ADA102 DECODER (eg.
192.168.0.30).
As the CODER transmit to a specific IP address and port,
all packets arriving at these Port in these address must be
forwarded to the DECODER, wich converts to audio.
Identify which packages must be address using the “port
forwarding”.
2.1.3 Audio options
Step 6
Input source: Define the input (analogue or AES-3).
Default is “Analogue”.
Format: Define the streaming format. Default values are
(must be changed only if the Internet bandwidth is limited):

• Format: MPEG stereo
• Sample rate: 44.1 KHz (MP3)
• Quality: 7 highest
This settings generates a streaming of 192 kbps.
2.1.4 Status screen (home)
Site type: Shows the working mode. In this case the
device is located at the Studios working as CODER,
sending coded audio to transmitter plant (“Studio
encoder)”.
Stream mode: Shows the current event settings to
start the transmition to remote device.
Keep-alive: Shows the current keep-alive settings.
Connection status: If the connection was successful
this field appears in green showing the destination IP
(Established to xxx.xxx.xx.xx). In case of connection
failure, the field appears in red.
Incoming Stream: State of incoming streaming. In
this case is inactive because the device is working
only as coder.
Outgoing Sream: State of outgoing streaming. This
field appears active only when the device works as
coder.
Audio input: show the input assigned by settings
(analogue or digital).
Audio Format: Format used to codifies the streaming.
Input/Output audio level: Real level of the audio
signal, expressed in dBfs.
Relay 1..4: Behavior of switches on local device.
Remote inputs: State of the control inputs at the
remote device (Transmitter plant). When an input is
“on”, the correspondent gray box changes to green.
Local inputs: State of the inputs of local device.
Local Relays: State of local switches (which are
commanded by the remote device).
2.2 ADA102 at the Transmitter Plant – Brief guide
2.2.1 Instalation
Step 1
Plug the power cord to AC outlet. Check the voltage
switch at the rear panel.
Step 2
To configure the unit, you must access the web control
panel. By default, ADA102 uses "Dynamic IP" so that
when connected to a LAN, gets an IP address via DHCP
(the router assigns an IP). The procedure is as follows:
Step 3
Plug the unit to the LAN using a standard RJ45 cable.
Step 4
Plug a headphone. Please have your pen and paper to
write the IP address that will be announced.
 The level of the headphones is managed by the output gain
knob. If you don't hear the IP, check this knob.
Step 5
Power on ADA102 (main switch at the rear panel). The
ADA102 CODER will search for a DHCP server to get an
IP address. Once obtained the IP, your ADA102 is now
ready to start working. Green Led on front panel will
blink.
If no DHCP server is found then ADA102 will search the network for a free
IP address (this could take up to 5 minutes). If all is right, DATA LED at the
front panel will blink. If the front LED's (“data” and “error”) stay dark check
the power cabling. If it still fails, please contact to Solidyne.
Step 6
Open an Internet browser (i.e. Firefox, Internet Explorer)
and enter the announced IP address. The web control
panel will appears on screen.
2.2.2 ADA102 working as decoder
At the transmitter plant, the unit works as pasive receiver,
receiving the streaming from ADA102 CODER, so it must
be set as “Transmiter decoder” from the option “Location”.

Step 7
When the device is set as “Decoder”, it loads the default
values for receive streaming, and usually you don't need
to change this values (with the exception of port numbers
and IP addresses). Next, the most important settings are
descripted.
Click on “Configuration → Streaming”
Step 8
In the field “Port” enter the same port number used in
ADA102 CODER. Hit “Apply” to confirm.
Step 9
At the decoder, you must to pay attention to the buffer
size, which is the memory that holds the incoming
streaming audio to avoid drops. These interruptions occur
when the bandwidth is insufficient for the transmitted audio
quality and can be solved by increasing the buffer size.
But note that larger buffer size will cause greater delay
time. The appropriate value depends on the bandwidth of
the network and type of audio streaming.
Buffer size is expresed in miliseconds. For uncmpressed
PCM streaming times of 40/80 mS works find. For coded
formats larger times are nedded due to the times involved
in the decoding process (see “2.3.5 - About audio
options”).
No other value must be defined. ADA102 automatically
recognize the incoming streaming. The audio quality is
defined in the CODER.
 Emergency Pen Drive: Remember that you can connect an
USB device (Pen Drive) in the USB port. In case that the
streaming lost by network failure; ADA102 will play audio from
USB device until the connection restores.
2.2.3 Status screen
Site type: Shows the working mode of the unit. In this case
the device woks as DECODER, located at the Transmitter
Plant. It works as pasive receiver decoding the incoming
streaming from Studios (“Transmitter decoder” ).
Stream mode: Displays the current configured event to
start streaming to the remote destination(s).
Keep-alive: Displays the current configured keep-alive
strategy.
Connection status: Displays the actual connection state.
Incoming stream status: It shows the actual incoming
stream status (ON/OFF).
Outgoing Sream: It shows the actual outgoing stream
status (ON/OFF).
Audio input: selected input source (analogue or digital).
Audio Format: In a half-duplex link the audio format is
defined by the CODER. DECODER automatically detect
the incoming streaming format, showed in this field.
Input/Output audio level: Real level of audio signals,
expressed in dBfs.
Relay 1..4: Shows the configured event for local relay
switch.
Remote inputs: State of the control inputs at the remote
device (Studio). When an input is “on”, the correspondent
gray box changes to green.
Local inputs: State of the inputs of local device.
Local Relays: State of local switches (which are
commanded by the remote device).

2.3 Advanced settings
2.3.1 Setting temporary IP address
using ARP command
This procedure is used to temporarily set the IP address
for first time browser access to the ADA102, in the case
where you have no LAN and wants to access from a
Notebook.
After this procedure the temporary IP will be active only as
long as the ADA102 stays powered. After a restart the
procedure has to be repeated unless you have configure it
with a static IP address.
Step 1
Use either a “crossover” network cable between the
ADA102 and the PC or use two network cables to connect
the ADA102 and the PC to a network switch and power
the ADA102.
Make sure that you have a valid IP address configured on
your PC (e.g. 192.168.0.2).
Step 2
Open a command window. Windows: click on “Start”, click
on “Run..”, in the “Open” field type cmd , click on “OK”.
OSX / Linux: Open a terminal window
Step 3
Please proceed to step 4 if you used a “crossover”
network cable in the preparation step above.
To ensure that we use a free IP address (not already used
by another device in the network) we have to use the Ping
command. In this example we assume the PC to have the
IP address “192.168.0.2” and want to check if
“192.168.0.6” is free.
To do so type ping 192.168.0.6 and hit the “Enter” key.
If you get a reply (IP already used) then try to ping another
IP until you find one that is not used. If the request times
out (no reply) then the “pinged” IP is free and we can
continue with the next step.
Step 4
Look for the Solidyne ADA102 MAC address printed on a
label placed on the rear panel (12 hex digits, separated by
a hyphen every 2 digits). Type into the windows command
window:
arp -s 192.168.0.6 00-08-E1-00-B1-77
and hit the “Enter” key (replace the digits according to your
devices MAC address). On a OSX or Linux system type
into the terminal:
arp -s 192.168.0.6 00:08:E1:00:B1:77
Step 5
Now we have to make the ADA102 listen to the IP
address “192.168.0.6” using the Telnet command.
To do so type into the command window:
telnet 192.168.0.6 1 and hit the “Enter” key
(the number “one” must be there for this command to
work correctly !!!). The ADA102 will refuse the connection
on port 1 immediately but will be available for web
access on the IP address used as long as the device
stays powered.
Step 6
To check if the ADA102 is responding you can use the
ping command again. To do so type:
ping 192.168.0.6 and hit the “Enter” key.
If you do get a reply the IP address 192.168.0.6 can be
used to access the ADA102 using a web browser. If you
do get “request timed out” then please repeat step 6
carefully (you most likely mistyped the telnet command) or
repeat the entire procedure.
2.3.2 Static IP
You can define a static IP. The advantage is that a known
IP allows you to access to the web panel, in case that you
requires change settings; without the necessity of listen
the audio to know the IP (voice IP announced on start up).
By default the IP address is set to 0.0.0.0 (Dynamic IP
disabled). To change it, go to “Configuration → Network”.
Use SonicIP: If set to "yes", the device will announce its
IP address over the audio output. Default: "yes".
IP Address: Enter the IP address of the device, e.g.:
"0.0.0.0" for automatic discovery (DHCP/Bootp, IPzator,
AutoIP) "192.168.0.12" for an internal LAN. Default:
"0.0.0.0"
Netmask: Enter the 4 values of the desired Static IP e.g.:
"0.0.0.0" for a default Netmask depending on the used IP
Address. "255.255.255.0" for a C class network
Default: "255.255.255.0".
Gateway IP Address: Enter the IP address of the
Gateway e.g.: "0.0.0.0" for no Gateway
"192.168.0.1" for a Gateway in a LAN.
 The Gateway has to be set only when connecting to other
devices over the WAN (through a router). Default: "0.0.0.0"

Primary DNS: Enter the primary DNS IP address so
the device con connect to URLs (e.g. www.radio.com).
Example: "195.186.0.1" Default: "0.0.0.0".
Alternative DNS: Enter the alternative DNS IP
address in case the primary DNS is not reachable.
Example: "195.186.4.111" Default: "0.0.0.0"
Syslog Address: Destination address for syslog
messages sent by the BCL program via the SYSLOG
command. Set this to your syslog logging machine, if
your syslog messages are recorded centrally.
If set to 0.0.0.0, syslog messages are broadcast.
Default: "0.0.0.0"
DHCP Host Name: Name of the device sent in DHCP
request. If left empty, a name based on the device's
MAC address is generated automatically. Enter up to 15
Characters.
Web server port: Defines the port where the
webserver of the Solidyne device can be reached. If set
to "0" the default HTTP port (80) is used.
2.3.3 Remote control
ADA102 has four electronic switches managed by the
remote Solidyne device. Four inputs at the CODER
manages four switches in the DECODER, and vice
versa. In addition, switches can be controlled by other
events.
In the control WEB panel, go to option “Configuration”
of main menu. Section “I/O and Control” allows to
define the behavior of electronic switches. Available
options are:
"ON while remote Input X ON": Relay will be ON while
the button with proper Input number is pressed on
remote device.
"ON while connection ON": Relay will be ON while
connection is defined by keep-alive.
"ON while connection OFF": Relay will be ON while
disconnection is defined by keep-alive (Alarm: partner
missing!).
"ON while IN audio ON": Relay will be ON while audio
input is above "Input Trigger Level" (with "Inactivity
Timeout" delay).
"ON while IN audio OFF": Relay will be ON while audio
input is below "Input Trigger Level" (with "Inactivity
Timeout" delay)
"PULSE ON with IN audio change": Relay will be pulse
ON if audio input changes its state via "Input Trigger
Level" (with "Inactivity Timeout" delay).
"ON while incoming stream ON" Relay will be ON
while incoming audio buffer is full.
"ON while incoming stream OFF": Relay will be ON
while incoming audio buffer is empty.
"always OFF": Relay will be OFF always. Default
setting is "always OFF".
By default, relay Nº1 is ON while the connection is
alive. Relays 2, 3 and 4 remain OFF.
SNMP Destinations IP(s)
For alarm sending, set the desired list (colon
separated) of SNMP trap receivers.
SMTP Server IP/DNS
For alarm sending, set the IP address or DNS name of
the SMTP server.
Local e-mail (FROM:)
FROM mail address, for SMTP alarm service.
Destination e-mail(s) (TO:)
TO mail address, for SMTP alarm service. Multiple e-mail
addresses have to be separated by colon.
2.3.4 Serial port
The ADA102 serial port allows control from a PC in
the Studios a remote device located in the transmiter
plant as if it were connected directly to the serial port
of the computer at the Studios.
• A the Studios, the computer connects to ADA102's
serial port, using null-modem cable (crossed
RS232).
• At the Transmitter Plant, a device (i.e. a broadcast
RDS coder) connects to the ADA102-s serial port,
using a standard RS232 cable.
You must set the port to RS232 “tunneling”. In the
WEB control panel, hint the option “Configuration”. In
section “Serial” the field “UDP/TCP Port for COM1”
allows to enter a port number to serial communication.
You must use the same port in both CODER and
DECODER devices.

The option “Serial 2” is not implemented. Leave
“UDP/TCP Control Port for COM2” as zero.
2.3.5 About audio settings
Encoding & Frequency
The unit supports the following audio formats:
• MPEG1 / MPEG2 (solo half-duplex)
• uLaw/aLaw
• PCM MSB/LSB first
The passive receiver of a half-duplex system
automatically recognizes the audio format but only for
audio formats with fixed content.
 AES3 / S-PDIF input uses MPEG1 and the sample rate
detects automatically (32, 44.1 o 48 KHz).
Remember: The playback buffer size is a very
important question. This value expresses the buffer size
in miliseconds. Smaller values minimize the delay, but
increase the chance of audio drops. The optimal value
depends on audio format and sample rate.
MP3 baja tasa de bits 400 mS
MP3 alta tasa de bits 200 mS
PCM 44.1/48 KHz 40 mS
2.3.6 Calculating the bit rate
The final bit rate is the sum of the audio bit rate and
encapsulation of audio packets make the network
protocol used. For RTP the calculation is:
The Ethernet total overhead per packet is 300 bit.
The IP total overhead per packet is 160 bit.
The UDP total overhead per packet is 64 bit.
The RTP total overhead per packet is 128 bit (considering the enclousure MP3
MPA into the usable RTP overhead, that have a extra header of 32 bit).
Total overhead of bits per packet =
Ethernet Overhead + IP Overhead + UDP Overhead + RTP Overhead = 652 bit
The audio bit rate expressed in bits/s, but the overhead
is expressed in bits/packet. So we have to translate the
overhead (bit/packet) in overhead rate (bits/sec). For
this we need to know the number of packets per
second, depending on the audio format. It can be
measured with a software network protocol analyzer
such as the "Wireshark".
Overhead/s = Overhead/Packet x Packet/s
Total Bit Rate (Kbit/s) = Audio Data Rate (Kbit/s) + Overhead/sec (Kbit/s)
(1Kbit = 1000 bits)
Audio Format
Audio
Data Rate
(Kbit/s)
Packet/sec
(Wireshark)
Overhead
(bit)
Total Bit
Rate
(Kbit/s)
MPEG1 48KHz quality 0, stereo 88 41.7 652 115.2
MPEG1 48KHz quality 4, mono 96 41.7 652 123.2
MPEG1 44.1KHz quality 0, mono 65 38.3 652 90
MPEG1 44.1KHz quality 4, mono 90 38.3 652 114.97
MPEG1 44.1KHz quality 7, mono 140 38.3 652 164.97
Audio Format (STL)
Audio
Data
Rate
(Kbit/s)
Packet/sec
(Wireshark)
Overhead
(bit)1
Total
Bit Rate
(Mbit/s)2
ALaw 8 Khz, mono 64 50 620 0.09
PCM MSB 16 bit 8 KHz mono 128 50 620 0.16
PCM MSB 16 bit 11.025 KHz mono 176.4 50 620 0.2
PCM MSB 16 bit 8 KHz stereo 256 50 620 0.29
PCM MSB 16 bit 11.025 KHz stereo 352.8 50 620 0.38

2.3.7 Emergency pendrive
ADA102 only recognizes files with extension “.mp3”.
USB drive must contain the audio files placed directly in
the root folder, and a playlist file named playlist.m3u,
which determines the order in which files are played.
The playlist can be created manually using a simple
text editor (eg Windows Notepad) and then changing
the file extension from .txt to .m3u. Here's an example:
# sample playlist begin
audio1.mp3
audio2.mp3
audio3.mp3
audio4.mp3
# sample playlist end
As files are in the root folder, it is not necessary to
indicate the path. Lines preceded by pound (#) are
comments.
The playlist can also be created using the audio player
Winamp (www.winamp.com) or any other audio player
to generate playlists in .m3u. Usually create an .m3u
only requires to save the list of songs loaded on the
player, as a playlist file type .m3u.
 Supported USB memory drives are detailed in “1.2.4 – USB port”

2.4 Other connection modes
2.4.1 Half-duplex link with unknown IP at
the transmitter plant
In this case requires a half-duplex link between Studios
and Transmitter Plant. Studios have static IP but the
Transmitter IP is unknown. The decoder (Transmitter
Plant) will start the connection to the studios.
ADA102 at the Studios:
In the coder, go to “Configuration → Basic settings” and
set the streaming method as “Pull (BRTP)”, the URL as
“0.0.0.0” and enter the listening Port for BRTP. Hit “Apply”
to confirm the values.
ADA102 at the Transmitter Plant
At the Transmitter Plant, go to “Configuration → Basic
settings” and set “Stream Method” as “Pull(BRTP)”. In
field URL enter th eIP address or URL of the CODER in
Studios. “Destination Port” must be the same assigned in
the CODER. Hit “Apply” to confirm the values.
2.4.2 Full-duplex link with unknown IP at
the Studios
This case is a full-duplex Studio to Transmitter link, but
only the Transmitter Plant IP is known. The coder at the
Studios starts the communication to that IP address.
ADA102 at the Studios:
In option “Location” set the device as “Studio
Encoder/Decoder”. Go to “Configuration → Basic
settings” and enter the IP address or URL for send and
receive.
Set the outgoing stream method as “Push(RTP)”. In URL
enter the IP of decoder (the external IP address that
router redirects to ADA102 decoder at the Transmitter
Plant). The Port number is the the “Local Port” value
assigned to the decoder in the Transmitter Plant.
Set the incoming stream as “Pull(BRTP)” since the IP
address of coder is unknown. In the field URL enter the
IP of the transmiter plant (decoder) and the same port
number assigned to de decoder.
In a full-duplex link, both units must work with the same
audio format. MPEG are NOT SUPPORTED for full-duplex
mode.

ADA102 at the Transmitter Plant:
At the Transmitter Plant ADA102 receives the streaming
from Studios.
Set “Outgoing stream” as “Pull(BRTP)” since is the
coder from studios who starts the connection. IP address
is zero and the Port number mus be the used in the
section “Incoming stream” in Studios.
Set “Incoming stream” as “Push(RTP)” with IP address
zero, since the coder starts the connection to the
decoder.
2.4.3 Link with repeaters
In this mode the coder send streaming to several devices
simultaneously. This configuration is common when you
have a static IP to the “multicast” group and requires a
half-duplex link. In both Studio ans in Plant, ADA102 is set
as “Multicast” (Configuration → Basic settings → Stream
Method).
Multicast is a protocol designed for maximum
efficiency of the networks when required simultaneous
transmission from one point to multiple
destinations. Both the transmitter and receiver use the
same IP address, which should be in a special range
of IP addresses for a multicast. This range includes
addresses from 224.0.0.0 to 239.255.255.255.
To implement this scheme, see your network
administrator, because you need to configure the
multicast routers.
ADA102 at the Studios
In this case ADA102 coder transmit to a multicast IP
address. Coder works in mode “Multicast”
(Configuration → Stream Method).
ADA102 at the Transmitter Plant
The decoder aslo works as “Multicast”. In the field URL you
must define the same multicast IP used in the coder.

Section 3 Technical specifications
Coder / Decoder Mode ADA102 is able to work as Coder or Decoder by software configuration.
Full-duplex supported for non compressed audio streaming.
Analog Input / Output Stereo balanced In / Outs -10 to + 15 dBu input level, regulated by front panel level control
Max output level + 20 dBm over 600 ohms (at FSD level) 0 VU at meter: + 4 dBu out
Digital IN / Out AES 3 professional balanced digital stereo IN / Out Z=110 Ohms.
Full compatible S/PDIF
Frequency Response Analog: 30 - 15.000 Hz +/- 0,5 dB @ 192 kbps
Digital AES-3: 20 - 15.000 Hz +/- 0,1 dB @ 192 kbps
Distortion Less than 0,01 % THD distortion, Analog or Digital @ 192 kbps
Typical AES-3: 0,005 % @ 192 kbps Total Encoder+Decoder
Noise
Dynamic Range > 70 dBA @ 192 kbps as encoder
Dynamic Range > 80 dBA @ 192 kbps as decoder
Dynamic range AES 3: > 90 dBA @ 192, Total Encoder + Decoder
Headroom Safety level from 0 VU meter to Full Digital Scale: 15 dB
VUmeter Level Measures true peak level with a peak-hold system
Channel Separation Better than 70 dB @ 1 kHz, Analog
Better than 90 dB @ 1 kHz, Digital AES 3
Power supply 220-240V / 110 - 127 V 50 / 60 Hz, 15 VA
Digital Streaming Input / Output
Streaming connection Standard RJ45 Ethernet connection TCP/IP
Standards supported
• MP3 Layer 1 (32, 44.1 and 48 kHz)
• MP3 Layer 2 (16, 22.05 and 24 kHz)
• G.711 (μLaw / A-Law 8 and 24 kHz sampling rate)
• 16bit PCM uncompressed (from 8 KHz to 48 KHz)
MONO Streaming: MPEG1/2 Layer 3, VBR (Fs:48KHz): 72 76 80 88 96 112 144 160kbps
STEREO Streaming: MPEG1/2 Layer 3, VBR (Fs:48KHz): 88 96 104 120 144 160 176 192kbps
Protocols
IP standard based protocols; TCP/IP, UDP, HTTP, ICMP, SNMP
Supports BootP, DHCP and Auto IP.
Supports RTP for low latency audio streaming.
Latency (time delay) ADA102 has a latency of only 20 mS (uncompressed audio) on LAN
Variable Bit Rate (VBR)
Encoding
The encoder uses Variable Bitrate Encoding (VBR) to realize optimal compression of the audio
data. The setting of a fixed bitrate is replaced with setting a quality level that preserves audio
quality in critical sections and enhances compression otherwise.

Other features
Port RS232 Bidirectional serial port RS232 used for Audio Processor control from studios, RDS signal control
or Transmitter remote control. Supports all speeds up to 96 Kbits/s
4 channels
remote control lines
Used for switch on-off transmitter, change to Day-Nigth power, change antenna array, etc.
Four On-Off lines, 2 relay outputs (120 V - 1 A) and 2 open collector outputs (up to 24 V / 0,25
A ). In/Outs using D-15 female connector
USB Emergency audio
In case of Internet streaming interruption, ADA102 starts to reproduce a pre-recorded radio
program. The user must record it on a Pen Drive, using MP3 format. The Emergency Radio
Program could be only music or a complete program several hours long.
MPX output (modelo ADA102mpx)
MPX Output
Differential output, BNC connector, floating ground 50 ohms
Allows 45 dB canceling buzz & noise due to ground loops
Level: Adjusted 0,5 to 4 Vpp from rear panel preset.
Total Distortion THD less than 0.003 % at 1 kHz.
Stereo Separation 75 dB at 400 Hz / > 70 dB; 30-15.000 Hz.
38 kHz Suppression 75 dB minimum below 100% modulation.
57, 76 and 95 kHz
Suppression
75 dB minimum below 100% modulation.
Pilot Level Adjusted 7-12 % from rear panel preset control
Pilot Stability +/- 0.05 Hz, 0 to 50 °C.

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