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2N  TELEKOMUNIKACE a.s., www.2n.cz

®

2N Net Audio Decoder

® 

 Parameters

Parameter

Value

Dimensions

105 x 34 x 86 mm

Dimensions (incl.
L–profiles)

130 x 34 x 86 mm

Weight

300 g

 

 

External power supply

12V DC / 2A

LAN supply

PoE IEEE 802.3af

 

 

Status signalling

LED on front panel

Local control

2 buttons on front panel

Remote control

infrared sensor on front panel

 

 

LAN connection

RJ–45 connector on back panel, TX with Auto–MDIX
function

Power amplifier output

4 terminals on back panel, STEREO/MONO with auto
detection

 

 

Frequency range

20Hz – 20kHz (+/– 0.5dB)

Harmonic distortion

0.05% @ 1kHz

Signal–to–noise ratio

91dB

 

 

Headphone/Line output

STEREO 3.5mm jack on front panel

 

 

Digital output

24V 1A AC/DC relay output, galvanically isolated

Digital input

5 to 24V DC digital input, galvanically non–isolated

 

 

Memory capacity
extension

MicroSD card slot on front panel

 

 

Sound compression

MPEG–1 Audio Layer II (MP2)

Bandwidth

32–320kbps

Installation

If  you  intend  to  use  your 

  unit  in  various  interiors,  please

2N

Net  Audio  Decoder

® 

stick the four feet included in the delivery onto the bottom side of the device to avoid
scratching of the underlying surface.

Caution

Be sure to connect the 

 power supply as the last

2N

Net Audio Decoder

® 

step. The same applies to PoE supply from the LAN.

Summary of Contents for 914033W

Page 1: ...www 2n cz Version 2N Net Audio System Public Address and Paging system Complete manual 2 0...

Page 2: ...to answer your questions about 2N products and services On www faq 2n cz you can find information regarding products adjustment and instructions for optimum use and procedures What to do if 2N TELEKOM...

Page 3: ...Net Audio device via Telnet Server 54 HW Description 58 2N Net Audio Decoder 59 2N Net Audio Decoder Lite 66 2N Net Mic 73 2N Net Speaker 78 2N Net Audio Decoder Lite PCB 83 2N Net Audio Decoder mono...

Page 4: ...stem and create separate zones with different communication contents You can make use of your existing LAN WAN while installing your 2N Net Audio Decoder system to save the total implementation time a...

Page 5: ...5 2N TELEKOMUNIKACE a s www 2n cz Layout Figure 2N IP Audio system Refer to the section for basic information on quick system installation of Quick Start the 2N IP Audio Manager...

Page 6: ...Player 11 Microsoft Visual C 2008 Redistributable Package x86 installation is required to avoid problems with stability Microsoft NET Framework 4 redistributable package Desktop Experience feature is...

Page 7: ...l Panel Manual r menu Administrato TELNET When 2N Net Audio Decoder gets connected to the server Telnet is disabled by default and reactivated automatically after disconnection To enable Telnet while...

Page 8: ...1600 kbps stream Audio transfer from to RTP destinations 2N IP Audio Manager Option IP Audio Manager Net Audio device G 711 uLaw 85 kbps G 711 uLaw 85 kbps Linear PCM 16bit 44 1kHz Stereo 1500 kbps Li...

Page 9: ...Safety by this information to prevent persons from injury Always abide Warning by this information to prevent damage to the device Always abide Caution Important information for system functionality...

Page 10: ...vides you with all information on the and 2N IP Audio System advanced configuration via the 2N Control Panel IP Audio Here is what you can find in this section 2N IP Audio Manager for Linux 2N IP Audi...

Page 11: ...inistration Audio Manager Here is what you can find in this section Sessions Destinations Zones Audio Sources Scheduler microSD Users Administrator What you should know The 2N Control Panel IP Audio a...

Page 12: ...ow Layout Use to add a source included in the source list to the session and a drag drop destination to the destination list Whether you add Destination targets destinations by speakers or zones the r...

Page 13: ...al session controls Balance set balance for the right left channel Listening in enable this parameter to listen to remote destinations locally Volume set the main session volume Sound activation deact...

Page 14: ...r can be used for a gradual sound volume change The fade range is 500 2000 ms Figure Priority Channel and Fade Settings Audio Sources You can add multiple sources to each session Use the tab to create...

Page 15: ...15 2N TELEKOMUNIKACE a s www 2n cz...

Page 16: ...click the selection menu or retrieve the Zone All Zones Create zone floating menu with the right mouse click and select Create zone again Retrieve the floating menu via the to rename a zone Zone name...

Page 17: ...or 2N Net Speaker s Destination List and Filter The Destination list is included in a simple table and allows you to choose which columns shall be visible Retrieve the floating menu with the right mo...

Page 18: ...rs or 2N Net Speakers Use the function to move the selected speaker from the list of speakers to drag drop the required zone Use the floating menu Remove to remove a speaker from the zone to the speak...

Page 19: ...ted and is ok State announces one of the following synchronisation states Synchronisation is not active Waiting for synchronisation Synchronisation in progress Synchronisation error Synchronisation co...

Page 20: ...tab Administrator Multicast can be adjusted for each speaker individually Disable remote control disable remote or 2N Net Audio Decoder 2N setting Net Speaker Enable Telnet Telnet connection is disabl...

Page 21: ...cast packets 1 means system default and we recommend you not to change this parameter This parameter may cause network overload if not used in cooperation with a network specialist Licence owned shows...

Page 22: ...22 2N TELEKOMUNIKACE a s www 2n cz Figure Bulk Settings 2N Net Audio Decoder or 2N Net Speaker...

Page 23: ...ed working source SIP playlist is necessary to assign microphone to a session in the menu to define where the Sessions contents should be played 2N Net Speaker supports several types of input sources...

Page 24: ...s Click the button and add or to create a new playlist You can select more mp3 wma wav files files than one with Shift Ctrl Figure Adding Audio Files to Playlist To add files to the new playlist from...

Page 25: ...Example Suppose a language school has English and German classrooms There are 4 teachers in the school Mr Cook Ms Scott Hr Himmel and Fr Moselle Use the set of user inputs to create and English class...

Page 26: ...t radio Internet radio delay in ms characterises the radio buffer size The supported radio formats are and In exceptional cases the services providing internet radio mp3 wma managemen may fail For thi...

Page 27: ...nput is a common audio input All the devices that can transmit audio using RTP protocol and codec G711 L16 can serve as a sound source for the session The sound source is defined by the listening port...

Page 28: ...2N Net Mic which enables you to make live announcements or broadcast pre prepared files to different zones You can define the audio path delay according to your network conditions to improve the commu...

Page 29: ...z Figure Initial View of 2N Net Mic via 2N Control Panel IP Audio In the window above set live announcements or playing files to 2N Net Audio to the buttons Click a number to set the Decoder or 2N Net...

Page 30: ...Net Mic preset buttons Net Audio Encoder Despite the gradual modernisation of audio systems to IP technology customers are still encountering the need to connect an IP audio system to a traditional mu...

Page 31: ...1 GND Logic input can operate in both latching and momentary states When using a switch across the logic input a stream can be activated by a brief press and release to start followed by a press and r...

Page 32: ...oIP calls from VoIP phones Audio Manager Figure SIP Source Setting Source Status Refer to the upper menu section for information on the stack communication protocol type and current status SOCK_TCP_ER...

Page 33: ...isation All logins are always searched through Remote SIP Server Parameters Connect to set the IP address or DNS name of the counterparty operator or another PBX to which you want to connect the via a...

Page 34: ...s minimise data to be transmitted Do not replace in numbers if you do not tick off this option the above mentioned characters will be replaced with adequate strings xx in numbers Tick off the option t...

Page 35: ...ta to be transmitted Packets are not sent while the user is not speaking VAD stands for Voice Activity Detection Disabled VAD VAD acc to G 729 Annex B VAD light Generate comfort noise enable comfort n...

Page 36: ...ding modes using the SIP INFO method The modes have different formats of the DTMF transmitting message KeepAlive Period define the KeepAlive packet sending interval The default value is 10s STUN serve...

Page 37: ...sion including the required playlists before creating an event Only then you can start creating an event as follows Procedure Create a new event use one of the following methods click the tab and Sche...

Page 38: ...setting options depend on the action type Action setting options Not scheduled this event will never be performed Daily the event will start at the set time every day or Every xth day Weekly the even...

Page 39: ...according to Subs 6 1 above specify the contents of the event i e what shall be played and when Figure Action Setting and Display The Action Setting and Display figure above shows an example of a sch...

Page 40: ...set other parameters than as shown in Fig 3 for different types of actions You can set the start time only for most action types and other properties for some of them Play Stop Others Previous and Ac...

Page 41: ...41 2N TELEKOMUNIKACE a s www 2n cz microSD What you should know The SD card not supported in version 2 0...

Page 42: ...user has access to all destinations and its broadcasting has the highest priority User input role this user will be assigned the home session for broadcasting by the system administrator Rights level...

Page 43: ...ser inputs for certain sessions refer to for details These inputs can then be assigned provided to users in the Audio Sources section This section includes a list of Permit user connection to set of u...

Page 44: ...eral General allows you to set the Control Panel language and external syslog server for logs What you should know Your network can be overloaded by wrong settings made in this tab Trace can be saved...

Page 45: ...tion on your syslog server Log description 1 RADIO_DISCONNECT New session 1 http api play cz danceradio192 mp3 m3u New internet radio 1 Par1 1 id of message After server restart number is set to 0 Par...

Page 46: ...sconnected from session Par3 Session Par4 URL address Par5 Name of radio HW_CONNECT HW input Par3 Session Par4 HW was disconnected to session input source s name HW_DISCONNECT HW input was disconnecte...

Page 47: ...e Licence Settings Network Settings Multicast Addresses Set the multicast addresses Select multicast for the address range multicast for the port range or single IP address transmission The default ad...

Page 48: ...used by VoIP 2N IP Audio Manager phones or intercoms but the command can be also sent from a web application Net Audio device settings Communication Properties Communication properties helps you set...

Page 49: ...Speaker address IP port set the port 6998 is 2N Net Audio Decoder or 2N Net Speaker the default value Automatic firmware upgrade disable the 2N Net Audio Decoder or 2N firmware upgrade Net Speaker Fi...

Page 50: ...ected 2N Net Audio Decoder unit or 2N Net Speaker Mode select the passive active search mode Passive mode means that it is necessary to set connection to 2N Net from the server side in the Audio Decod...

Page 51: ...ecoder or 2N Net Speaker 2N Control Panel IP Audio can improve the performance in networks with complicated 2N IP Audio System structures The parameter in the table allows you to change Cfg_Port MSGBT...

Page 52: ...f colour rules for filters You will be asked to capture trace if you are communicating with the 2N Technical Support It can be done by the right mouse click into the trace space and choice of Save to...

Page 53: ...53 2N TELEKOMUNIKACE a s www 2n cz Import file copy a file to the folder current Export file copy a file from the folder current Figure File Manager...

Page 54: ...Use the integrated Telnet server for basic 2N Net Audio Decoder or 2N Net Speaker settings For connection use any Telnet Client application downloaded from the Internet for example By default the Teln...

Page 55: ...on is initiated by the 2N IP Audio Manager 1 active mode The 2N Net Audio Decoder or 2N Net Speaker server connection is initiated by 2N IP Audio Manager Default setting 1 SpkSearch 2N Net Audio Decod...

Page 56: ...Decoder or 2N Net Speaker own password for authorising connection initiated by the The same 2N IP Audio Manager password must be stored in the global settings 2N IP Audio Manager and must be identica...

Page 57: ...128 channels 2 samplerate sout all sout keep sout transcode vcodec none acodec mp3 ab 128 channels 2 samplerate sout all sout keep sout transcode vcodec none acodec mp3 ab 128 channels 2 samplerate so...

Page 58: ...provides you with full HW description of the devices 2N IP Audio Here is what you can find in this section 2N Net Audio Decoder 2N Net Audio Decoder Lite 2N Net Mic 2N Net Speaker 2N Net Audio Decode...

Page 59: ...an analogue signal is equipped with 2N Net Audio Decoder an integrated 14W amplifier for direct loud speaker connection 2N Net Audio can be controlled by two front panel buttons or an infrared remote...

Page 60: ...C DC load switching Digital input 5 24V without galvanic isolation for external sensor button etc 10 100BASE TX LAN RJ 45 connector Integrated amplifier output terminals for 1 or 2 loudspeakers RESET...

Page 61: ...20kHz 0 5dB Harmonic distortion 0 05 1kHz Signal to noise ratio 91dB Headphone Line output STEREO 3 5mm jack on front panel Digital output 24V 1A AC DC relay output galvanically isolated Digital inpu...

Page 62: ...rical injury Connect the loudspeaker headphones or an external amplifier Connect the digital input and output Insert the microSD card Connect the UTP cable Connect a 12V power supply unless PoE is use...

Page 63: ...ither as N O normally open or N C normally closed 2N Net Audio Decoder is equipped with a digital for an optional button input sensor of movement or other applications This input is available on the L...

Page 64: ...lowly 3 times Blink Orange shining 2N Net Audio Decoder is in MUTE state 2N Net Audio Decoder Connection 2N Net Audio Decoder can be connected to a standard local area network using a LAN interface vi...

Page 65: ...sed for approx 15 s Release the button as soon as the LED starts shining violet This operation takes about 50 s Do not disconnect the device from power supply during this period Firmware Upgrade The f...

Page 66: ...ecodes it and converts it into an Audio Manager analogue signal can be controlled by two front panel 2N Net Audio Decoder Lite buttons or an infrared remote controller is equipped 2N Net Audio Decoder...

Page 67: ...isolation for external 24V 1A AC DC load switching Digital input 5 24V without galvanic isolation for external sensor button etc 10 100BASE TX LAN RJ 45 connector RESET button Headphone line output f...

Page 68: ...Harmonic distortion 0 05 1kHz Signal to noise ratio 91dB Headphone Line output STEREO 3 5mm jack on front panel Digital output 24V 1A AC DC relay output galvanically isolated Digital input 5 to 24V D...

Page 69: ...e Connect a 12V power supply Headphone External Amplifier Connection Lite 2N Net Audio Decoder is equipped with a headphone external amplifier connector The 3 5 mm jack is available on the front panel...

Page 70: ...h a microSD card slot for storing music or voice in case the equipment is not connected to the LAN permanently or temporarily The microSD card slot is available on the fr 2N Net Audio Decoder Lite ont...

Page 71: ...or higher class cables for reliability reasons The LAN interface is equipped with the Auto MDIX function for automatic detection of a straight or cross over cable Lite 2N Net Audio Decoder can be fed...

Page 72: ...this period Firmware Upgrade Lite 2N Net Audio Decoder firmware upgrade starts automatically whenever 2N gets connected to the This Net Audio Decoder Lite 2N IP Audio Manager guarantees that all conn...

Page 73: ...n 2N Net Mic is a hardware console with microphone which enables you to make live announcements or broadcast pre prepared files to different zones It is a hardware alternative to the 2N Console IP Aud...

Page 74: ...Audio Decoder or 2N Net for live announcements Press button A for live Speaker announcements Push button C then push button A Green on function button green on button A Provide information about ongo...

Page 75: ...75 2N TELEKOMUNIKACE a s www 2n cz View of Back Panel Figure 2N Net Mic...

Page 76: ...5 to 48V DC digital input galvanically isolated or 1 contact input Digital output max 48V 1A relay output NO NC galvanically isolated Headphones output 3 5mm 2x30mW min 16Ohm DR 101dB THD N stereo jac...

Page 77: ...g to the input labeled galvanically isolated supply 7V and the input labeled 0V The second possibility is that the input will respond to voltage 1 switches to the input labeled 0V and 1 GND Factory Re...

Page 78: ...Mounted White Part No 914034W 2N LoudSpeaker Wall Mounted Black Part No 914034B Product Description is an IP audio system which allows you to play an acoustic 2N IP Audio System message or any other a...

Page 79: ...2 3 4 Obr zek 2N Net Speaker Wall Mounted connectors in the back 2N Net Speaker Ceiling connectors in the back 12V DC 2A power supply adapter connector 10 100BASE TX LAN RJ 45 connector Connector for...

Page 80: ...1 Audio Layer II MP2 MPEG 1 Audio Layer II MP2 Bandwidth 32 320 kbps 32 320 kbps Installation To mount the device use the bundled mounting accessories Electric Installation It is very easy to connect...

Page 81: ...No 914102E power supply or another power supply on condition that you keep the nominal values included in the Electric Parameters subsection Connect the 12V DC power supply either to the back panel s...

Page 82: ...guarantees that all Speaker 2N IP Audio Manager connected devices have identical and latest firmware versions Refer to for www 2n cz the latest firmware version Operating Terms and Transport Operatin...

Page 83: ...eceives the audio stream decodes it and converts it into an Audio Manager analogue signal The can be controlled by two 2N Net Audio Decoder Lite PCB buttons in the front or an infrared remote controll...

Page 84: ...84 2N TELEKOMUNIKACE a s www 2n cz Front View Figure Lite PCB 2N Net Audio Decoder...

Page 85: ...85 2N TELEKOMUNIKACE a s www 2n cz Back View Figure Lite PCB 2N Net Audio Decoder...

Page 86: ...ck at the front stereo LAN connection RJ 45 connector at the back TX with Auto MDIX function Power amplifier output not supported Frequency range 20Hz 20kHz 0 5dB Harmonic distortion 0 05 1kHz Signal...

Page 87: ...ith galvanic isolation for external 24V 1A AC DC load switching Digital input 5 24V without galvanic isolation for external sensor button etc 10 100BASE TX LAN RJ 45 connector RESET button Line output...

Page 88: ...s very easy to connect electrically Follow the 2N Net Audio Decoder Lite PCB steps below to avoid equipment damage or electrical injury Connect the audio signal output with an external amplifier Conne...

Page 89: ...ons This input is available on the LOGIC IN terminal 5 to 24V DC voltage can be applied to the input against the ground terminal marked DC IN In the case of external button the DC IN terminal can be u...

Page 90: ...onnector on the backside Always use CAT 5d or higher class cables for reliability reasons The LAN interface is equipped with the Auto MDIX function for automatic detection of a straight or crossed cab...

Page 91: ...ng this period Firmware Upgrade The firmware upgrade starts automatically Lite 2N Net Audio Decoder PCB whenever the gets connected to the 2N Net Audio Decoder Lite PCB 2N IP This guarantees that all...

Page 92: ...m 2N IP receives the audio stream decodes it and converts it into an Audio Manager analogue signal The can be controlled by two 2N Net Audio Decoder mono PCB front buttons or an infrared remote contro...

Page 93: ...93 2N TELEKOMUNIKACE a s www 2n cz Front View Figure mono PCB 2N Net Audio Decoder...

Page 94: ...94 2N TELEKOMUNIKACE a s www 2n cz Back View Figure mono PCB 2N Net Audio Decoder...

Page 95: ...MDIX function Power amplifier output not supported Line output speaker connector at the back Type loudspeaker 8 6W Frequency range 20Hz 20kHz 0 5dB Harmonic distortion 0 05 1kHz Signal to noise ratio...

Page 96: ...ls Relay output with galvanic isolation for external 24V 1A AC DC load switching Digital input 5 24V without galvanic isolation for external sensor button etc 10 100BASE TX LAN RJ 45 connector RESET b...

Page 97: ...t is very easy to connect electrically Follow the 2N Net Audio Decoder mono PCB steps below to avoid equipment damage or electrical injury Connect an 8 6W speaker Connect the digital input and output...

Page 98: ...nput is available on the LOGIC IN terminal 5 to 24V DC voltage can be applied to the input against the ground terminal marked DC IN In the case of external button the DC IN terminal can be used see th...

Page 99: ...side Always use CAT 5d or higher class cables for reliability reasons The LAN interface is equipped with the Auto MDIX function for automatic detection of a straight or cross over cable The can be fed...

Page 100: ...ng this period Firmware Upgrade The firmware upgrade starts automatically mono PCB 2N Net Audio Decoder whenever the gets connected to the 2N Net Audio Decoder mono PCB 2N IP This guarantees that all...

Page 101: ...ct Description Despite the gradual modernisation of audio systems to IP technology customers are still encountering the need to connect an IP audio system to a traditional music sources such as FM rad...

Page 102: ...102 2N TELEKOMUNIKACE a s www 2n cz View of Front Panel Figure 2N Net Audio Encoder...

Page 103: ...24V DR 88dB THD N 82dB Headset microphone input 3 5mm integrated powering for electret microphones DR jack 84dB THD N 78dB Line input 3 5mm symmetric mono or asymmetric stereo DR 93dB jack THD N 82dB...

Page 104: ...g and momentary states When using a switch across the logic input a stream can be activated by a brief press and release to start followed by a press and release to stop latching Alternatively a const...

Page 105: ...MUNIKACE a s www 2n cz Operating Terms and Transport Operating temperature 0 to 40 C 32 to 104 F Operating humidity 10 to 85 not condensing Permitted temperature range for product transport 25 to 60 C...

Page 106: ...formation This section provides you with all regulatory and supplementary information on the 2N IP Audio System Here is what you can find in this section Table of content Troubleshooting Directives La...

Page 107: ...ewall 2N IP Audio System sound is jerky You can set the for Sound path delay 2N Net Audio Decoder or 2N Net and on the t Speaker all intercommunicating components Destinations Zones ab The default val...

Page 108: ...108 2N TELEKOMUNIKACE a s www 2n cz 2N Net Mic is not visible in Destination Zones 2N is not displayed in but in Net Mic Destination Zones Audio sources...

Page 109: ...ecodesign requirements for standby and off mode electric power consumption of electrical and electronic household and office equipment Directive 2011 65 EU of the European Parliament and of the Counc...

Page 110: ...owing measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the...

Page 111: ...esult of a natural disaster or any other unfavourable natural condition The manufacturer shall not be held liable for any damage of the product arising during the shipping thereof The manufacturer sha...

Page 112: ...ctric appliances and battery packs removed from them to dedicated dumpsites or containers or give them back to the dealer or manufacturer for environmental friendly disposal The dealer or manufacturer...

Page 113: ...113 2N TELEKOMUNIKACE a s www 2n cz 2N TELEKOMUNIKACE a s Mod ansk 621 143 01 Prague 4 Czech Republic Phone 420 261 301 500 Fax 420 261 301 599 E mail sales 2n cz Web www 2n cz P 1672...

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