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Omnia

MPX Node

MPX Over IP at Extremely Low Data Rates

Installation & User’s Guide

Version 1.1 October, 2019

2001-00522-000 OMNIA MPX NODE DECODER

2001-00529-000 OMNIA MPX NODE ENCODER

TelosAlliance.com

P/N: 1490-00211-001 --- OMNIA MPX NODE MANUAL

Содержание Omnia 2001-00522-000

Страница 1: ...ver IP at Extremely Low Data Rates Installation User s Guide Version 1 1 October 2019 2001 00522 000 OMNIA MPX NODE DECODER 2001 00529 000 OMNIA MPX NODE ENCODER TelosAlliance com P N 1490 00211 001 O...

Страница 2: ...thatinspireourcustomerstocreatethemostexcitingandengagingaudioexperiencesimaginable We re grateful that you have chosen audio tools from Telos Systems Omnia Audio Axia Audio Linear Acoustic 25 Seven S...

Страница 3: ...4 3 UseCases Applications 6 Simple STL Use with Any FM Processor 6 Omnia 9 as MPX Encoder 6 One Processor to ManyTransmitters 7 Use with private networks and IP radios 7 4 RedundantPathsandBackupScen...

Страница 4: ...assword Config Reset 16 Logout 16 7 UsingtheGUI 17 GUITips 17 8 SystemSetup 19 Network Setup 20 Net Mode 20 Network Address 20 Network Mask 20 Network 1 2 Gateway 21 DNS Server 21 SAVE 21 Hostname 22...

Страница 5: ...d 30 Rate Limiter On Off 31 Limit Rate Below 31 Encoder Dashboard 32 10 DecoderSetup 34 MPX MicroMPX Decoder Settings 34 MPX Output Level 36 Stream Receiver 36 Stream Delay 37 Test Signal 37 Decoder D...

Страница 6: ...alNotes 49 Firewall and Security 49 Tilt Correction 49 Cooling 49 15 RackMounting 50 Rack Mount kit 50 Short rack ear 50 Long rack ear 50 Revision 2 L bracket p n 1771 00128 51 Single MPX Node 51 Doub...

Страница 7: ...still be present on some of the primary parts even when the fuse has blown If fuse replace ment is required replace fuse only with same type and value for continued protection against fire WARNING Th...

Страница 8: ...Note objectionable interference to TV or radio reception can occur if other devices are connected to this device without the use of shielded interconnect cables FCC rules require the use of shielded...

Страница 9: ...roduced or distributed in any form without expressed written permission Patent information can be found at TelosAlliance com legal Updates MPX Node features and operations are determined largely by so...

Страница 10: ...ical Support Engineer Be sure to adequately insure your shipment for its replacement value Packages without proper authorization may be refused US customers please contact Telos Alliance Technical Sup...

Страница 11: ...ode and stations with an Omnia 9 processor can purchase an Encoder license such that MPX over IP signals can be sent directly via IP from the processor to a decoder About the MPX Codec MPX Node utiliz...

Страница 12: ...ogies potential applications for MPX will only grow as creative radio engineers begin utilizing it Watch for MPX to make its way into an increasing number of Omnia products A Distinction from L R sign...

Страница 13: ...this interface you need to log on to the unit by entering its IP address in a modern browser our developers use Chrome for product testing For convenience both Encoder and Decoder nodes are set from t...

Страница 14: ...e the Setup page 5 Use the upper front panel button to change values and the lower button to advance to the next field To save changes advance to the SAVE field and press the upper button 6 Once your...

Страница 15: ...es are case sensitive Beware that some browsers and devices will attempt to capitalize the first letter in a field possibly entering in a wrong character The password entry dialog will indicate if you...

Страница 16: ...d for further processing or stereo generation at the transmitter Simple STL Use with Any FM Processor MPX Node is processor agnostic Composite output of ANY brand of FM processor feeds an MPX Node Enc...

Страница 17: ...ain processor Main sites backups and repeaters all get the same signal This leverages the value of your best processor creates sonic uniformity at all TX sites and means you don t have to tweak and ad...

Страница 18: ...d port address If one of the links fails the Decoder picks up the stream from the other Encoder after a brief failover period An external router may be required depending on your link design Dual Enco...

Страница 19: ...ormation Front panel data input is limited to IP address setup and password reset so you can get at the GUI the real control point for all system operation Front Panel buttons Use the top control butt...

Страница 20: ...oding or decoding normally Red indicates the unit has not finished startup is not connected to a network or is not encoding or decoding Be aware that if audio programming has stopped somewhere else in...

Страница 21: ...V1 1 OCTOBER 2019 11 OMNIA MPX NODE MANUAL OLED Display Encoder...

Страница 22: ...V1 1 OCTOBER 2019 12 OMNIA MPX NODE MANUAL OLED Display Decoder...

Страница 23: ...IP Address G is Gateway and M is the subnet Mask 5 Page 5 lists the NET2 IP settings as above Note that a single Gateway is shared between ports 1 and 2 6 Page 6 displays the pins on your GPIO where i...

Страница 24: ...ns logged in under the same user User Information Name This text field should be the contact name for the primary user or organization A name can be up to 64 characters Email This field is the primary...

Страница 25: ...nter the IP address of your unit in a connected browser you will see the following login page The factory default user name is user the default password is also user Once you enter this default you wi...

Страница 26: ...user user default from the front panel You can also reset configuration to the factory default Go to the GPIO status page on the front panel Hold down the lower button for 10 seconds Once the Reset Fu...

Страница 27: ...n click on most numeric fields and enter a precise value using a keyboard A pop up display will indicate you can type to enter a new value press Enter to save or click outside the field to cancel Acce...

Страница 28: ...019 18 OMNIA MPX NODE MANUAL For security and to reduce the number of open sockets the GUI will log out after 30 minutes of inactivity An info screen will alert you so you can stay logged in if you ar...

Страница 29: ...e updates and other administrative fields and controls Use this page to enter a Hostname set or change IP addresses for Net1 and Net2 ports set front panel OLED timeout choose update files to upload a...

Страница 30: ...ESC to revert to previous values For best results keep NET1 and NET2 on separate subnets Note that both interfaces will utilize the single gateway in the MPX Node Net Mode Sets the port to use a Stat...

Страница 31: ...ed to set the unit s internal NTP clock While MPX Node will function just fine without DNS connection to an NTP server insures that internal log files are properly time stamped If your firewall provid...

Страница 32: ...stem also lets you easily revert to a previous version if desired To update 1 Download an MPX Node software update xxx pkg file to your computer 2 Click on the Select File button and browse to the fil...

Страница 33: ...y with a contingency plan just in case System Settings The System Settings section allows you to set various controls and time outs System Location This text field allows you to describe where the uni...

Страница 34: ...ort make sure to use a different port number from the stream receive port number s OLEDTimeout This drop down control sets the timeout interval for the front panel OLED display s screen saver Availabl...

Страница 35: ...he upper right corner of the display whenever you save changes Reboot The Reboot control restarts your MPX Node without switching software banks A confirmation screen below will ask you to confirm or...

Страница 36: ...are configured at the factory to set your MPX Node to Encoder or Decoder mode Switch settings are detected on power up and the Encoder or Decoder interface is displayed accordingly In Encoder mode the...

Страница 37: ...g is enabled the MPX meters in Dashboard screen will be inactive and the Level indicator will appear frozen MPX Input Level This gain control allows you to optimize the amount of level feeding the MPX...

Страница 38: ...re certain audio very briefly demands higher actual data use than these published numbers The codec will immediately attempt to reduce the size of the data that follows to compensate Also error correc...

Страница 39: ...r correction overhead from exceeding available bandwidth A formula for calculating how much total bandwidth will be consumed is Error correction overhead Error correction size delay bitrate bitrate ma...

Страница 40: ...t packets to synchronize the system Depending on the stability of the connection it may be necessary to send these packets more frequently On most connections the default and maximum of 5 seconds is g...

Страница 41: ...rrection Turning the Rate Limiter off completely can actually cause dropouts if recovery packets are flooding the network especially when Error Correction Overhead is set to a high value The network m...

Страница 42: ...ill appear to be frozen and an Encoder is off message will appear To turn the Encoder on go to the MPX Setup page The Waveform display gives you a quick view of your audio levels including a clip indi...

Страница 43: ...rovides general configuration system and network information and can be useful for checking the status of your unit for details like uptime CPU temperature and load and firmware versions GPI and GPO i...

Страница 44: ...composite output To decode a signal feed it a MPX stream over IP then feed your FM transmitter with the analog composite signal on the BNC connector MPX Node operates at standard levels 3 5V peak to p...

Страница 45: ...y the MPX Decoder is set to On in the field at the top of the screen Unless Decod ing is enabled the MPX meters at the bottom of this screen and in the Dashboard screen will be inactive The MPX bitrat...

Страница 46: ...xing them up or down Alternatively you can double click on Port number field and directly enter a value Once the Port number is set click the save button Note that your port address must match what is...

Страница 47: ...er try increasing the stream delay Test Signal For setup and calibration purposes a Test Signal generator is included Enabling the Test Signal will interrupt program audio You can generate sine waves...

Страница 48: ...V1 1 OCTOBER 2019 38 OMNIA MPX NODE MANUAL Dashboard Meter Section...

Страница 49: ...n the Decoder The short white lines that intersect the green stream represent the Keyframes Blue vertical lines represent error correction packets The density of this display is controlled by the Erro...

Страница 50: ...o the transmitter but not this graphic of the signal Dashboard Unit Status The Unit Status section of the Decoder Dashboard page provides general configuration system and network information and can b...

Страница 51: ...to a reboot function could result in a reboot loop not exactly a feature 3 The Save button must be pressed once you have made a selection in the drop down menus While there are individual Save button...

Страница 52: ...GPI Pulse Functions Network1 up Start MPX Encoder Network1 down Stop MPX Enccoder Network2 up Restart MPX Encoder Network2 down Reboot MPX Node Input audio Clipping Decoder GPIO Functions Decoder GPO...

Страница 53: ...ot Receiving Stream Stop MPX Decoder Playing Stream Restart MPX Decoder Not Playing Stream Main Port Active Network1 up Alternate Port Active Network1 down Play test tone Network2 up Stop test tone Ne...

Страница 54: ...ecoder MPX Node operates at standard levels 3 5V peak to peak low source impedance GPIO This DB15 female connector provides 5 input and 5 output contact closures which should be wired according to the...

Страница 55: ...ously noted a Gateway can be set only for the NET1 port NET2 The NET2 Ethernet port provides 10 100 IP connectivity It is primarily intended as a control admin port but may be used to send receive MPX...

Страница 56: ...switch Access In most cases you will never have to open the unit but in case you need to make adjust ments to internal switches work should be performed only by qualified technicians in a static contr...

Страница 57: ...ecode Mode Switch is closest to the composite connector The Impedance and Gain switch is under the chassis mount flange Encode Decode Mode Switch bank 1 When adjusting we recommend using a magnifying...

Страница 58: ...h bank 2 The Impedance Gain switches are located under the chassis and are more challenging to adjust Magnification is recommended Switch 1 Impedance and is default set to On 5 Ohms as a factory defau...

Страница 59: ...nal firewall is recommended Tilt Correction MPX Node is flat and expects to receive a signal that does not require tilt correction If either end of your chain requires tilt correction this must be acc...

Страница 60: ...e same chassis design as Axia xNodes revision 2 This means you can co rack an MPX Node with an Axia xNode and use common mounting hardware Rack Mount kit The provided rack mount kit p n 2011 00076 pro...

Страница 61: ...e long ear to the opposing side of the xNode Double MPX Node Mounting 2 MPX Nodes together is accomplished with the L bracket as all MPX Nodes use a revision 2 chassis design If you are attempting to...

Страница 62: ...s left side as shown with three provided flat head screws Place the second MPX Node so that the shoulder screws of the bracket fit into the key holes Slide the MPX Node into place NOTE The shoulder s...

Страница 63: ...Node you can still connect units with a spacer block not included with MPX Node To join units remove the top lid from both units and place them side by side Place the spacer between the two Nodes Use...

Страница 64: ...s MPX Node Composite Input Output Connector Type Female BNC EMI Suppressed Max Cable Length 100ft 30m RG 58A U Composite Out Source Impedance 5 ohms or 75 ohms selectable Suggested Load Impedance 50 o...

Страница 65: ...s andWeight 8 5 22 cm wide two may be mounted side by side in a standard 1RU rack space with accessory mounting kit 1 72 4 4 cm height 11 75 30 cm depth Shipping Weight 7 lbs 3 2 kg Shipping Dimension...

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