USER MANUAL EtherMPX v3
Contents
1. To achieve this you need Ethemet switc hes that support VLANS 16 AUDIO 1 AUDIO 2 AUDIO 1 AUDIO 2 EtherMPX RADIO LINK EtherMPX Q ENCODER DECODER 1 z Unicast Ethernet Ethernet Switch 1 Switch 2 N O EtherMPX O ENCODER 2 5 lt Unicast RADIO LINK EtherMPX Bj elejn a Ethernet Switch 3 Example 2 Two different radio programs must be transported to two different TX sites over single IP radio links We need only one program ateach TX site Because two Encodersare operating in Unicast mode each one is paired to only one Decoder they can co exist in the same network without the need of VLANs Of course each device must also have a unique IP address To achieve this you can use ordinary plain Ethemet switches 17 AUDIO AUDIO 2 6 Technical specifications EtherMPX v3 Output name 19 1U chassis Output type Digital electrical interface Power supply 230VAC 50Hz 12W XLR 3 male Operating temp 20 to 60 Celsius 110 Ohm balanced transformer isolated Transport protocol Proprietary UDP Unicast or Multicast AES3 QoS management IETF RFC2474 compliant Maximum data rate 12 288 Mbit s Audio compression None Linear PCM Audio sample rate 48kHz for L R output 192kHz for D MPX 8 24bit for Digital L R amp MPX input AUNI AE eigenen Suet 24bit for Digital L R amp MPX output Audio resolution 24bit for Analog L R amp MPX output Output name 174 192kHz input for Digital MPX input Output2. P Enabled Buffer size otf d 25m5 Threshold E e 49 8dBu i L Timeout Sl 1 0 5Sec Audio routing auto detect Diagnostics Ping response Audio level ood o 1 2 3 4 1 Command buttons Discovery Use this command to auto detect all EtherMPX devices in your network Yourcomputer must be in the same subnet as your devicesare Refresh Use this command to discard any changes made and reload the last saved configuration stored in yourcomputer lal Save Use this command to save locally in yourcomputer any changes made and simultaneously send them to the selected device Encoderor Decoder Play 12 This command is available only when the selected device isan Encoderdevice Use thiscommand to start audio level capture and display it in realtime atthe VU meter located at the down nght comerof the Diagnostics area 13 Stop This command isavailable only when the VU meter is running Use it to stop audio level capture from Encoder 2 Devices list In this are you will be displayed all devices discovered in your network when you used the Discovery command button icon Indicatesan Encoderdevice icon Indicatesa Decoderdevice Nextto the icon the device name and MAC addressisdisplayed 3 Device properties When you click ona device in the Devices list area its properties and parameters are displayed here System type ENCODER or DECODER non modifiable DSP version The f
3. down menu to select between Analog or Digital AES EBU inputs e TX type This isan Encoder only functionality View or modify the audio over IP transmission mode at the Encoder Use the drop down menu to select between Unicast one Encoderto one Decoder or Multicast one Encoderto many Decoders When in Multicast packets sent from Encoder will have destination IP as 239 255 255 239 e Remote IP This isan Encoder only functionality and itis enabled only when Unicast is also selected View or modify the IP address of the Decoder you will be sending audio to e Bounded to Reserved for future releases hasno effect e Buffer size This isa Decoder only functionality View or modify the audio buffer size of the selected Decoder Please refer to Network considerations section above e Threshold This isa Decoder only functionality and itis enabled only when Auto detect audio routing isselected Thisisa parameter of the integrated Silence Detector in the Decoder and defines the audio level threshold to start a countdown timer before it bndges the AUXIN to the MPX OUT connector assuming that the audio over IP is lost e Timeout This isa Decoder only functionality and itisenabled only when Auto detect audio routing isselected Thisisa parameter of the integrated Silence Detector in the Decoder and defines the initial value of the countdown timer Silence Detector example Threshold 18
4. provide the same audio level 1 1 as fed into the Encoder Analog and digital outputs of the Decoder are operating simultaneously Rear panel LED indications at Encoder OVFL LEDs two one foreach analog input Indicates extremely audio level that needs immediate attention otherwise damage may occur at analog input stages of the Encoder Front panel LED indications Encoder amp Decoder PWR LED Indicates that power istumed on INK LED Indicates that an Ethemet connection is present ACTLED Indicates that audio transmission is active Note When Encoder is configured in Unicast mode and powered on it searches for the Decoder ACT LED is blinking every second When a connection is established ACT LED at Encoder amp Decoder stay always on If connection is lost Encoder will cease transmission after 10 minutes and will start the search sequence each 17 seconds Default settings Encoder default IP 192 168 1 90 24 Decoder default IP 192 168 1 91 24 Factory setup Analog MPX Unicast Network considerations If you have multiple EtherMPX devices in the same network like 1 Encoder and 2 or more Decoders you MUST change the IP addresses of the devices accordingly to avoid IP conflicts two devices with the same IP in the same network If you have multiple networks or other traffic reaching the EtherMPX Encoder or Decoder you MUST filter it A recommended practice isto make network segmentatio
5. type Analog electrical interface 2 outputs A8kHz internal for Analog L R input 2 x XLR 3 male balanced R L MPX Audio sample rate 192kHz internal for Analog MPX input Connector 1 x BNC female unbalanced MPX only L R mode 5mS up to 40mS on busy net 1 kOhm Audio latency MPX mode 2 5mS up to 20mS on busy DAC resolution 24 bit L R mode 2 37 Mbit s typ DAC sample rate 48kHz for L R output 192kHz for A MPX Network usage MPX mode 4 74 Mbit s typ ao 108dB 0 0004 at 48kHz L R out Audio monitor Stereo 1 4 Female jack in front panel DAC THD N 96dB 0 0015 at 192kHz A MPX out DAC SNR 129dB at 48 or 192kHz DAC Dynamic range 129 dB A weighted at 48 or 192kHz Inputname Porta een Input name Port A Channel separation Infinite at 192KHz A MPX output Input type Digital electrical interface Reference output 3 47Vpp 4dBu for 0 dBFS XLR 3 female Out BW 48kHz SR 0 1dB 21 8 kHz LE ONN palanca Salonen Koaten Out BW 192KHzSR 0 1dB 87 2 kHz Supported formats AES3 IEC60958 S PDIF Maximum data rate 12 288 Mbit s Audio sample rate 32 192 kHz 174 192kHz for D MPX 1x10MHz 1x1PPS cn connector encreme gt 4 bit Connector BNC Female Impedance 50 Ohms Input type Analog electrical interface 2 inputs Synchronization PTP IEEE 1588 lt 5nS accuracy 2 x XLR 3 female balanced R L MPX Connector 1 x BNC female unbalanced MPX only 3 47Vpp 4dBu for 0 dBFS Input BW 48kHz SR 0 1dB 20 kHz Input BW 192kH
6. ain the OK button Now you can use the UP and DOWN buttons to modify the parameter When done click OK button again A confirmation menu appears SAVE Y N where you can select Y if you want to apply and save the new settings or N to discard any changes you made If you don t push any button within 30 seconds the system discards any changesand retumsto the main menu 1 Menu Operational mode Format Enc amp Dec Select the audio format you need to transport through EtherMPX You can select between MPX or L R Source Enc only Select the source port of the Encoder You can select between Analog or Digital AES EBU input IP Mode Enc only Select the transmission mode If you want to feed only one EtherMPX Decoder in your network select Unicast If you need to feed more than one EtherMPX Decoders simulta neously select Multicast Destination IP 239 255 255 239 10 2 Menu Audio level A Displays the audio level of MPX channel B Displays the audio level of Right channel only in L R mode Audio levels are displayed asa bargraph VU meter and as numencal value in dBFS Please note that this isa display only menu You cannot modify any parameter Menu Network settings ID Enc amp Dec Displays the device name You cannot modify this parameter from the LCD menu you have to use the EtherMPX NMS software IP Enc am
7. ale SFN option On Off power switch 0 100 240VAC power input connector IEC The rear panel Decoder 10 270VAC Unbalanced MPX output BNC female Unbalanced AUX MPX input BNC female Right channel balanced output XLR3 male Left channel MPX balanced output XLR3 male AES EBU balanced output XLR3 male 10 100 Ethemet port RJ 45 female RS232 port BD9 female 10M Hz 1PPS output BNC female SFN option On Off power switch 0 100 240 VAC power input connector IEC Se ee MN 2 Installation instructions Encoder amp Decoder 1 Install both Encoder amp Decoderina 19 rack 2 Connect powerand Ethemet cablesas shown below Encoder connections ON T ETH RS232 z m oo oO re KU RIGHT UMPX AES3 1 I20VAC 1 2 Connect the MPX output of youraudio processor stereo encoder Connect the RJ 45 LAN cable of your local network Connect the IEC powercable 100 240VAC 50 60Hz Tum the power switch on Decoder connections 1 2 Connect the MPX output of the EtherMPX Decoderto your FM Exciter Connect yourbackup audio source to AUX IN Connect the RJ 45 LAN cable of your local network Connect the IEC powercable 100 240VAC 50 60Hz Tum the power switch on Audio levels adjustment at Encoder Analog audio input at Encoder should not exceed 6dBu 4 37Vpp Suggested nominal range is OdBu 2 19Vpp to 4dBu 3 47Vpp The audio outputs at the Decoder will
8. dBu Timeout 20 sec If the audio level coming from the EtherM PX encoder is below 18d Bu for 20 consecutive seconds the Silence Detector will assume that the audio over IP is lost and will bridge the AUXIN to the MPX OUT connector When the audio level is restored above 18dBu for 5 consecutive seconds the Silence Detector assumes that the audio over IP isOK and disconnects the AUX IN from the MPX OUT connector If your program haslong penodsof silence orlong pauses between songs and talent it isrecommended to set the audio routing of the Decoder to Force intemal Note The 5 seconds restoration timer is factory fixed and cannot be modified by the user 15 4 Diagnostics When you have selected a device in the Devices list area you can use the following tools Ping response Click with your mouse the rectangular shape to perform an ICMP ping towardsto the IP address of the selected device The ping isonginating from your computer IP address so it must be in the same subnet asthe device is If there isa ping response the shape tumsin green colorand the response time isdisplayed If there is no response within a second the shape tums into red colorand perform consecutive retnes to ping every 3 seconds Io stop retrying just click with your mouse in the rectangularshape Audio level This isan Encoder only functionality Thisisa real time VU meter which displays the audio level of the selected Encoder To
9. irmware version running in the main processor of the selected device non modifiable MAC address The MAC address of the network interface of the selected device non modifiable Serial number The production senal number of the selected device non modifiable System name View or modify the human fnendly name of the selected device Highly recommended if you have more than one Encoderormore than one Decoder in your network This helps you to identify the properdevice to manage System IP View or modify the IP addressof the selected device Gateway IP View or modify the network gateway IP address of the selected device Network mask View or modify the network mask of the selected device VLAN Reserved for future releases User cannot modify this SFN option Only available when SFN option is installed in the selected device Audio routing This isa Decoder only functionality View or modify the audio route of the selected Decoder Use the drop down menu to select between the available options o Force extemal Take the audio from AUXIN and passit to the MPX OUT o Force intemal Take the audio from Ethemet and passit to the MPX OUT o Auto detect Enables the Silence Detector see below 14 e Audio type View ormodify the audio format of the selected device Use the drop down menu to select between MPX or L R e Audio source Thisisan Encoder only functionality View or modify the input source of the Encoder Use the drop
10. n by using VLANs It is strongly recommended to use transparent bridge Ethemet links with sufficient bandwidth and low jitter in order forthe EtherMPX system to operate nomally The latency delay vanance and fragmentation caused by routing is forbidden for real time traffic such as EtherMPX produces The required bandwidth for L R mode is roughly 2 5Mbit s and for MPX mode is around 4 8Mbit s The audio buffer sze at the decoderside depends on the network jitter you have in yourtransmission network Selectan appropnate buffer size to compensate the instability of your transmission network otherwise you will experience audible audio artifacts clicks and pops due to packet lossor drops Always consider that an increased buffer size results into additional latency to the audio delivered 3 LCD menus From the LCD menus the usercan view or modify some basic parameters descnbed below To control all system parameters you have to use the EtherMPX NMS Network Management System software To navigate through the menus You can use the UP and DOWN buttons in the front panel to navigate through the User Interface menus displayed in the LCD To modify a parameter Press once the OK button and a blinking cursor should appear in the screen Use the UP and DOWN amow buttons to move the cursor over the parameter you want to modify When you set the cursorover the desired parameter click once ag
11. p Dec Displays the device IP address You can modify this parameter within the range of 1 0 0 1 to 254 255 255 254 Att Dec only Displaysthe analog output attenuation setting A value of OdB meansno attenuation You can modify this parameter in steps of 0 5dB within the range 0 0dB to Mute SFN Enc amp Dec Displays the operational status of the SFN option The Off status means that the device is running on the intemal clock When On the device issynchronized to the Best Master clock elected from the network please refer to IEEE1L588v2 protocol specifications for more details on this You can modify this parameter only if you have the SFN option installed 11 4 System information DSP Enc amp Dec Displays the fiimware version running in the main processor You cannot modify this parameter CPU Enc amp Dec Displays the firmware version running in the O amp M Operation amp Maintenance processor You cannot modify this parameter 4 NMS Software description EtherMPX NMS v 3 4 1 Sigmacom Broadcast O x 22H 0 8 Seledt element 2 items Element properties 2 een System type ENCODER MAC address 2E 8B F2 10 00 37 DSP version 3 40 Seral number 3108 System name SIGMACOM ENCOD Audio type WiPe System IP is21681 90 Audio source anag Gateway IP fs216811 T s type Unicas Network mask 255 255 255 0 Remate IP fa21681 31 VLAN osm M Audo Boundedto eNoney SFM option
12. sigmacom Broadcast TELECOM INNOVATIONS K USER MANUAL Ethe M PX v3 CE FE woHs Website htto www siqmacom ar Contact info sigmacom ar Support support igqmacom gr sigmacom Broadcast TELECOM INNOVATIONS DOCUMENT REVIEWS Date Version Notes 01 03 2014 K Sigmacom Broadcast TELECOM INNOVATIONS Dearcusomer After introducing our DDS 30 FM Exciter in 2010 the first in the world capable to accept Digital MPX MPX over AES it was time to solve another problem there was no Digital MPX SIL in the market Also the existing Analog MPX SILs could not meet our high standardsin orderto exploit the full capabilities of DDS 30 That s why we decided to design a Digital MPX SIL which could transport Digital MPX beside the classic analog MPX analog L R and digital L R over AES modes Since we are big fans of the everything IP concept we couldn t select something else than IP transmission In your hands you have the EtherMPX IP SIL which is the result of our research and development Since version 3 an LCD user interface and SFN over IP capabilities added so you don t need GPSreceiversany more Always with 24bit professional high end audio performance and minimal latency we could compare the performance of EtherMPX to a cable Even if EtherMPX is designed to be a perfect match with our DDS 30 FM Exciter you can use it to deliver analog MPX to any other exciter and you will no
13. start monitoring the audio level select the Encoder device you want and click the Play button on the top stnp To stop the audio monitoring just click the Stop button next orselect some other device from the Devices list Keep in mind that audio monitonng causesa reverse direction IP traffic of about 100 200kbit s 5 Implementation examples oO z EtherMPX lt RADIO LINK EtherMPX ENCODER z gt DECODER 1 ie o z MUNSCHI Ethernet jr En gt Switch 1 Q x Switch2 lt with VLAN E 5 WENN NEE gt N O EtherMPX support 2 support CAGES D pe EtherMPX S DECODER 2 lt Multicast oO oO GN v N he z 7A lt a i gt O gt O lt oO EtherMPX DECODER 3 Ethernet Switch 3 with VLAN support TRUNK PORT VLAN 10 EtherMPX DECODER 4 VLAN 20 Example 1 Two different radio programs must be transported to two different TX sites over single IP radio links We need both programsat each TX site Because two Encodersare operating in Multicast mode in orderto feed more than one Decoders they must be logically separated inside the network For this purpose we are using separate VLANs for each radio program VLAN 10 forradio program 1 and VLAN 20 for radio program 2 Even if there are two separated network segments you should define unique IP addressesto each device Note that the ports connected to IP radio links must be configured as trunk ports to allow all VLANs to passthrough
14. tice immediately the difference Compared to any analog FM SIL So enjoy using your EtherMPX and thank you for selecting us for your business Sigmacom Broadcast March 2014 Contents 1 Hardware description a The front panel b The rearpanel Encoden c The rear panel Decoder 2 Installation instructions Encoderconnections Decoderconnections Audio level adjustments Rearpanel LED indicators Front panel LED indicators Default settings Network considerations 3 LCD menus Navigate the menus Modify parameters he operational mode menu The audio level menu The network settings menu The system information menu A DpDanooaUU er van Tv 4 NMSDescnption Command buttons Devices list Device properties Silence Detector configuration Diagnostics 0DQandao W 5 Implementation examples a Multicast with VLANs b Unicast 6 Technical specifications Page oO Ul UI UI CO CO CO N NNNSN 1 Hardware description The front panel Encoder Decoder 1 2 3 4 The rear panel Encoder SOR NOM RWNE LCD Display Navigation buttons Monitor output Sta tus LEDs Unbalanced MPX input BNC female Exc essive input level alarm LEDs L R Right channel balanced input XLR3 female Left channel MPX balanced input XLR3 female AES EBU balanced input XLR3 female 10 100 Ethemet port RJ 45 female RS232 port DB9 female 10M Hz 1PPS input BNC fem
15. z SR 0 1dB 80 kHz NOTE Technical specifications are subject to change without notice Please contact us if you have questions orto get latest information and updates Sigmacom Broadcast support support sigmacom gr or call 302312209905 18
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