Telos Alliance Omnia MPX Node User manual

Omnia

®

MPX Node

MPX Over IP at Extremely Low Data Rates

Installation & User’s Guide

Version 1.3.35 May, 2020

2001-00522-000 OMNIA MPX NODE DECODER

2001-00529-000 OMNIA MPX NODE ENCODER

TelosAlliance.com/Omnia

P/N: 1490-00211-002 --- OMNIA MPX NODE MANUAL

Creating the Most Exciting and Engaging

Audio Experiences Imaginable

Congratulations on your new Telos Alliance product!

The gang here at Telos is committed to shaping the future of audio by delivering innovative, intuitive

solutions that inspire our customers to create the most exciting and engaging audio experiences imaginable.

We’re grateful that you have chosen audio tools from Telos® Systems, Omnia® Audio, Axia® Audio,

Linear Acoustic®, 25-Seven Systems®, and Minnetonka Audio®. We’re here to help you make your

work truly shine. We hope that you enjoy your Telos Alliance product for many years to come and won’t

hesitate to let us know if we can help in any way.

Telos Alliance

Table of Contents

User Warnings and Cautions . . . . . . . . . . . . . . . . . . . . . . . . . VII

We support you… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IX

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . X

1 Introduction 1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

About the MPX Codec . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

A Distinction from L/ R signals . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Quick Start Instructions 3

Obtaining an IP address . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Logging In . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 Use Cases & Applications 7

Simple STL: Use with Any FM Processor . . . . . . . . . . . . . . . . . . . . 7

Omnia 9 as MPX Encoder. . . . . . . . . . . . . . . . . . . . . . . . . . . 7

One Processor to Many Transmitters . . . . . . . . . . . . . . . . . . . . . . 8

Use with private networks, and IP radios . . . . . . . . . . . . . . . . . . . 8

4 Redundant Paths and Backup Scenarios 9

Single Encoder & Decoder, Dual Networks . . . . . . . . . . . . . . . . . . . 9

Dual Encoder, Single Decoder. . . . . . . . . . . . . . . . . . . . . . . . . 9

Dual Encoder, Dual Decoder . . . . . . . . . . . . . . . . . . . . . . . . .10

5 The Front Panel 11

Front Panel buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Front Panel indicator LED . . . . . . . . . . . . . . . . . . . . . . . . . .11

OLED Display (Encoder) . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

OLED Display (Decoder) . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Encoder and Decoder page descriptions . . . . . . . . . . . . . . . . . . . . 14

6 User Prole 15

User Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Email . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Username . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Update Prole . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Logging In for the rst time . . . . . . . . . . . . . . . . . . . . . . . . .16

Password & Cong Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Logout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

7 Using the GUI 19

GUI Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

8 System Setup 21

Network Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

NET1 & NET2 Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Network Address . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Network Mask . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Network Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

DNS Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Hostname . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Apply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Updating Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

System Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

System Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Web Server Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

OLED Timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Save . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Reboot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

System Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

License Activation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Online Activation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Manual Activation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

9 Encoder Setup 33

Unicast Vs Multicast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Conguring Streams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

µMPX (MicroMPX) Encoder Settings . . . . . . . . . . . . . . . . . . . . . . 37

MPX Input Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Clip Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Bitrate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Stream Error Correction . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Keyframe interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Error Correction size/delay . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Error Correction Overhead . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Rate Limiter (On/O) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Limit Rate Below . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Encoder Dashboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

10 Decoder Setup 43

µMPX (MicroMPX) Decoder Settings . . . . . . . . . . . . . . . . . . . . . . 43

MPX Output Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Stream Receiver. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Network Redundancy and Stream Reception . . . . . . . . . . . . . . . . . . 46

Multicast Stream Reception . . . . . . . . . . . . . . . . . . . . . . . . .46

Stream Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Test Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Decoder Dashboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Dashboard Meter Section . . . . . . . . . . . . . . . . . . . . . . . . . .48

Data Stream Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Waveform and MPX displays . . . . . . . . . . . . . . . . . . . . . . . . . 49

Dashboard: Unit Status . . . . . . . . . . . . . . . . . . . . . . . . . . .49

Dashboard: MPX Receiving Status . . . . . . . . . . . . . . . . . . . . . . 50

11 GPIO 51

Encoder GPIO Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Decoder GPIO Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

12 Rear Panel 55

Composite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

GPIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

NET1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

NET2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

12VDC Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

13 Internal Switch Settings 57

DIP-switch Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Identifying Switches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Encode / Decode Mode (Switch bank 1) . . . . . . . . . . . . . . . . . . . . 59

Impedance / Gain (Switch bank 2) . . . . . . . . . . . . . . . . . . . . . .60

14 Technical Notes 61

µMPX-Codec Setup Tips & Guidelines . . . . . . . . . . . . . . . . . . . . . 61

Packet Jitter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Packet Loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Firewall and Security . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Tilt Correction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

15 Rack Mounting 63

Rack Mount kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Short rack ear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Long rack ear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Revision 2 “L” bracket (p/n 1771-00128) . . . . . . . . . . . . . . . . . . 64

Single MPX Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Double MPX Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Revision 2 Hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Revision 1 Hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

16 Specications 67

External power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

MPX Node Power Consumption: . . . . . . . . . . . . . . . . . . . . . . .67

MPX Node Composite Input/Output: . . . . . . . . . . . . . . . . . . . . .67

Operating Temperatures . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Dimensions and Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

17 Telos Alliance Warranty 69

V1.3.35-MAY 2020

| VII

OMNIA MPX NODE MANUAL

User Warnings and Cautions

The installation and service instructions in this manual are for use by qualiﬁed personnel

only. To avoid electric shock, do not perform any servicing other than that contained in

the operating instructions unless you are qualiﬁed to do so. Refer all servicing to qualiﬁed

personnel.

This instrument has an autoranging line voltage input. Ensure the power voltage is within

the speciﬁed range of 100-240VAC. The ~ symbol, if used, indicates an alternating current

supply.

This symbol, wherever it appears, alerts you to the presence of uninsulated, dangerous

voltage inside the enclosure – voltage which may be suﬃcient to constitute a risk of shock.

This symbol, wherever it appears, alerts you to important operating and maintenance

instructions. Read the manual.

CAUTION: HAZARDOUS VOLTAGES

The instrument power supply may incorporate an internal fuse. Hazardous voltages may

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:

The product’s power cord is the primary disconnect device. The socket outlet should be

located near the device and easily accessible. The unit should not be located such that

access to the power cord is impaired. If the unit is incorporated into an equipment rack,

an easily accessible safety disconnect device should be included in the rack design.

To reduce the risk of electrical shock, do not expose this product to rain or moisture. This

unit is for indoor use only.

This equipment requires the free ﬂow of air for adequate cooling. Do not block the venti-

lation openings on the rear and sides of the unit. Failure to allow proper ventilation could

damage the unit or create a ﬁre hazard. Do not place the units on a carpet, bedding, or

other materials that could interfere with any panel ventilation openings.

If the equipment is used in a manner not speciﬁed by the manufacturer, the protection

provided by the equipment may be impaired.

V1.3.35-MAY 2020

| VIII

OMNIA MPX NODE MANUAL

USA CLASS A COMPUTING DEVICE INFORMATION TO USER

WARNING:

This equipment generates, uses, and can radiate radio-frequency energy. If it is not

installed and used as directed by this manual, it may cause interference to radio com-

munication. This equipment complies with the limits for a Class A computing device,

as speciﬁed by FCC rules, part 15, subpart j, which are designed to provide reasonable

protection against such interference when this type of equipment is operated in a com-

mercial environment. Operation of this equipment in a residential area is likely to cause

interference. If it does, the user will be required to eliminate the interference at the user’s

expense. 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 cables.

CANADA WARNING:

“This digital apparatus does not exceed the Class A limits for radio noise emissions set out

in the radio interference regulations of the Canadian department of communications.”

“Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les

limites applicables aux appareils numériques (de Class A) prescrites dans le règlement

sur le brouillage radioélectrique édicté par le ministère des communications du Canada.”

CE CONFORMANCE INFORMATION:

This device complies with the requirements of the EEC council directives:

93/68/EEC (CE MARKING)

73/23/EEC (SAFETY – LOW VOLTAGE DIRECTIVE)

89/336/EEC (ELECTROMAGNETIC COMPATIBILITY)

Conformity is declared to those standards: EN50081-1, EN50082-1.

V1.3.35-MAY 2020

| IX

OMNIA MPX NODE MANUAL

Trademarks, Patents, and Licenses

Omnia is a trademark of TLS Corp. All other trademarks are the property of their respec-

tive holders.

All versions, claims of compatibility, trademarks, etc. of hardware and software products

not made by Telos Alliance which are mentioned in this manual or accompanying materi-

al are informational only. Telos Alliance makes no endorsement of any particular product

for any purpose, nor claims any responsibility for operation or accuracy. We reserve the

right to make improvements or changes in the products described in this manual which

may aﬀect the product speciﬁcations, or to revise the manual without notice.

This document and its content are copyrighted by TLS Corporation and may not be

copied, reproduced, 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 software. Telos Alliance

strives to provide the most stable and feature-rich software available. We encourage you

to check for software updates from time to time by visiting our website or by contacting us

directly.

Feedback

We welcome feedback on any aspect of our products or this manual. In the past, many

good ideas from users have made their way into software revisions or new products.

Please contact us with your comments or suggestions.

We support you…

By Phone/Fax

You may reach our Telos Support Team in emergencies by calling +1 216-622-0247. For

billing questions or other non-emergency technical questions, call +1 216-241-7225

between 9:00 AM to 5:00 PM USA Eastern Time, Monday through Friday.

By Email

Non-emergency technical support is available at Support@TelosAlliance.com.

V1.3.35-MAY 2020

| X

OMNIA MPX NODE MANUAL

By Web

The Omnia Web site has a variety of information that may be useful for product selection

and support. The URL is TelosAlliance.com/Omnia .

Service

You must contact Telos Alliance before returning any equipment for factory service. We

will need your unit’s serial number, located on the back of the unit. We will issue a return

authorization number, which must be written on the exterior of your shipping container.

Please do not include cables or accessories unless speciﬁcally requested by the Technical

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 Support at +1-216-622-0247. All other customers should contact

local representative to make arrangements for service.

Warranty

For the latest Telos Alliance warranty, visit: telosalliance.com/warranty

Register your product

Register your product today to get the full beneﬁts of our warranty, support, and product

updates. telosalliance.com/product-registration/

Telos Alliance

1241 Superior Ave. Cleveland, OH 44114 USA

+1 (216) 241-7225

For Telos Support:

24/7 telephone: +1 (216) 622-0247

Email: [email protected]

Web: telosalliance.com/support-request

CHAPTER 1

| 1

INTRODUCTION

1 Introduction

Overview

The Omnia MPX Node is a purpose-built broadcast codec for transporting FM composite

(MPX) signals over IP networks. Like its namesake (the classic Axia xNode), Omnia

MPX Node is a building block technology that helps stations leverage the growing power

and capability of data networking. By transporting an FM composite signal rather than

Left/Right audio, broadcasters can keep their on-air processing and RDS encoding at the

studio, then deliver a transmission-ready, peak controlled FM multiplex signal directly

to an FM transmitter without the need for transmitter-side peak limiting or stereo

generation. Since MPX is transported over IP, signals are routable, and one-to-many

distribution of “carbon copy” processing becomes possible. Each MPX Node can be set

to either encode or decode, and a pair of units creates an end-to-end system. Omnia SST

users can connect to the MPX Node, 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 μMPX Codec

MPX Node utilizes μMPX (“micro” MPX), a specially designed audio codec pur-

pose-built for FM radio that is able to transport high-quality Multiplexed FM signals over

a relatively small 320kbps data pipe using UDP. While some companies have full-band-

width “linear” MPX over IP oﬀerings, distribution of such streams requires extremely

high dedicated bandwidth, typically 2 megabits (Mb) or more. μMPX slashes the amount

of bandwidth needed for distribution by nearly 84% to a remarkable 320kbps. By reducing

data requirements, high-quality multiplexed audio can be economically routed from

any audio processor, over IP, and directly into an exciter. Unlike codec oﬀerings that are

designed explicitly for stereo audio (MP3, AAC, etc), μMPX is purpose built for com-

posite FM signals. μMPX uses a unique perceptual masking strategy, leveraging the native

properties of FM multiplexed signals. For STL use, this approach provides a double

beneﬁt over stereo audio codecs because:

CHAPTER 1

| 2

INTRODUCTION

♦ Coding artifacts produced by stereo codecs require additional processing (post trans-

port) to correct overshoots and other errors prior to stereo generation.

♦ Artifacts occurring in μMPX coding manifest as FM noise and go unnoticed.

With μMPX, lower bandwidth IP connections and narrow band STL channels can now be

used to transport MPX signals. μMPX will create new audio distribution options and cut

equipment needs and costs, as it leverages advances in the world’s ever-growing IP infra-

structure. Sound quality also beneﬁts as this purpose-built codec makes its way into more

places. As with all new groundbreaking technologies, potential applications for μMPX

will only grow as creative radio engineers begin utilizing it. Watch for μMPX to make its

way into an increasing number of Omnia products.

A Distinction from L/ R signals

An important concept for all readers to understand is that MPX Node transports modulat-

ed FM signals, not L/R audio. This modulated signal contains the components that make

up an FM broadcast; L+R, 19kHz stereo pilot, L-R and RDS/RBDS at the ﬁrst subcarrier.

As an encoder, MPX Node converts composite analog FM to IP packets; as a decoder, it

converts packets to analog composite FM. As such, the Encoder version needs to be fed by

the output of an audio processor, while the decoder is intended to feed the analog compos-

ite input of an FM transmitter. In some ways, MPX Node may be thought of as a modem

for FM signals. For reference, a diagram of FM signal is useful.

CHAPTER 2

| 3

QUICK START INSTRUCTIONS

2 Quick Start Instructions

MPX Node is a computing appliance that interfaces to audio processing and FM trans-

mission equipment. Installation and proper operation requires you to have some basic

knowledge of computer networking, ﬁrewalls, port management, and other general

computer skills, in addition to your radio broadcast knowledge.

You are probably anxious to get your MPX Node(s) running. This section will help you

get going.

MPX Nodes are controlled through an HTML5 web interface. In order to access 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 the factory to obtain get IP addresses using DHCP.

Obtaining an IP address

1. Plug your MPX Node into a network providing DHCP (either NET1 or NET2 ports

can be used, but we recommend you use NET1 as your primary).

2. Power your unit up

3. Using the top control button on the front panel, scroll through the display pages to

the Network port connected to your router. You should see an (up) indication, and a

DHCP assigned IP address. In our example below, the network is plugged into

NET1. (UP) indicates that your network is connected while (DN) indicates it is

down.

CHAPTER 2

| 4

QUICK START INSTRUCTIONS

4. If you don’t have a DHCP server on your network, you can enter a static IP address

from the front panel. Press and hold the bottom front panel button for 10 seconds

until you see 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 MPX Node has a valid IP address, use a connected web browser to log in by

entering it in the address bar:

Logging In

Once you enter the IP address of your unit in a connected browser, you will see the follow-

ing login page:

CHAPTER 2

| 5

QUICK START INSTRUCTIONS

The factory default user name is user, the default password is also user.

♦ Once you enter this default, you will see the User Proﬁle page. You must enter and save

a new, unique password in order to access other control pages.

♦ For security, a password must meet the following requirements:

¸ Length must be 8 characters or more

¸ It must contain one or more uppercase letters

¸ It must contain one or more lowercase letters

¸ It must contain one or more numbers

¸ It must contain one or more special characters, eg: ! @ # $ % ^ & * ? _ ~ £

♦ User and password names are case sensitive. Beware that some browsers and devices

will attempt to capitalize the ﬁrst letter in a ﬁeld, possibly entering in a wrong charac-

ter.

♦ The password entry dialog will indicate if your password meets requirements:

♦ Be sure to write your new user/password combination down. We suggest you text or

email it to yourself.

♦ If you forget or misplace your user/password, you can reset it to the user / user default

from the front panel. For more information check Password Reset in the User Proﬁle

section of this manual.

CHAPTER 2

| 6

QUICK START INSTRUCTIONS

Once you log into your MPX Node, click through the selections on the upper left side of

the user interface and have a look at the various setup pages of the unit. We’re sure you’ll

ﬁnd the displays and controls easy to understand and use.

CHAPTER 3

| 7

USE CASES & APPLICATIONS

3 Use Cases & Applications

These diagrams provide a quick snapshot of some of the ways MPX nodes can be used.

This list is just a fraction of potential applications for this building-block technology.

MPX Node can help simplify your transmitter rack, eliminating the need 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 Encoder, while the Decoder feeds the transmitter .

Omnia 9 as MPX Encoder

Now your processor IS the front end of your STL! With Encoding built right into the

Omnia 9, a network connection, and a single or multiple decoder nodes, your setup just

got less complicated, and your processor can now move back to the studio.

CHAPTER 3

| 8

USE CASES & APPLICATIONS

One Processor to Many Transmitters

This diagram gets at one of the primary beneﬁts of MPX over IP: each decoder is a “carbon

copy” of the main 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 adjust each transmission chain! Optional licensing

for Multicast transmissions is available too.

Use with private networks, and IP radios

With μMPX, lower bandwidth IP connections and narrow band STL channels can now be

used to transport MPX signals.

CHAPTER 4

| 9

REDUNDANT PATHS AND BACKUP SCENARIOS

4 Redundant Paths and Backup Scenarios

Single Encoder & Decoder, Dual Networks

In this illustration, NET1 and NET2 ports feed two entirely separate network paths. If

packets are lost on one path, the Decoder grabs them from the other and seamlessly

re-assembles the stream.

Dual Encoder, Single Decoder

In this illustration, a processor (or 2 processors located at diﬀerent sites) feeds two En-

coders. Both Encoders send the same signal over UDP to a single Decoder at the same IP

and 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).

CHAPTER 4

| 10

REDUNDANT PATHS AND BACKUP SCENARIOS

Dual Encoder, Dual Decoder

In this illustration, a second Decoder is added to the above so that both Main and Backup

transmitters are both fed with signals served by separate network paths. (An external

router may be required, depending on your link design).

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Telos Alliance Omnia MPX Node User manual

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