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SOLH264TX Broadcast Transmitter

H264TX, H264ENGTX, H264ENC

UNCLASSIFIED

Part A - User Guide

DS000091

Rev 1.2 2013-05-02

UNCLASSIFIED

Page 0-5

Complete Equipment Schedule .................................................. 2-18

2.1

General ........................................................................................................ 2-18

2.2

Complete Equipment Schedule ....................................................................... 2-18

2.2.1

Equipment Schedule – SOLH264TX ........................................................... 2-18

2.2.2

Accessory Options ................................................................................... 2-19

2.2.3

Licensing Options .................................................................................... 2-20

2.2.4

Equipment Schedule – SOLH264ENGTX ..................................................... 2-21

Placards and Markings .............................................................. 3-23

3.1

General ........................................................................................................ 3-23

3.2

Exterior Placards and Marking System ............................................................. 3-23

3.2.1

Enclosure External Barcode Serial Number Placard ..................................... 3-23

3.2.2

Product Placard ....................................................................................... 3-24

3.2.3

SMA MAX. 0.45Nm Placard ....................................................................... 3-25

3.2.4

Warranty Void Placard ............................................................................. 3-25

3.3

Interior Placards and Marking System ............................................................. 3-25

3.4

Exterior Colour Schemes and Marking System .................................................. 3-25

3.4.1

Enclosure Colour ..................................................................................... 3-25

3.4.2

Panel Markings ........................................................................................ 3-25

Cautions and Warnings ............................................................. 4-26

4.1

General ........................................................................................................ 4-26

4.2

Cautions and Warnings .................................................................................. 4-26

4.3

EMC / Safety and Radio Approvals .................................................................. 4-27

4.4

CE Marking ................................................................................................... 4-27

Panels, Displays, Controls, Indicators and Alarms ....................... 5-28

5.1

General ........................................................................................................ 5-28

5.2

Panel System – SOLH264TX ........................................................................... 5-28

5.2.1

Top Panel – SOLH264TX .......................................................................... 5-28

5.2.2

Bottom Panel – SOLH264TX ..................................................................... 5-29

5.2.3

Left Hand Side Panel – SOLH264TX........................................................... 5-30

5.2.4

Right Hand Side Panel – SOLH264TX......................................................... 5-30

5.3

Indicator System – SOLH264TX ...................................................................... 5-31

5.4

Control Panel System – SOLH264TX ................................................................ 5-31

5.4.1

Cancel/Back Button ................................................................................. 5-31

5.4.2

Joystick/Confirm Button ........................................................................... 5-31

5.5

Alarm System – SOLH264TX ........................................................................... 5-32

5.6

Display System - SOLH264TX ......................................................................... 5-32

5.7

Panel System – SOLH264ENGTX ..................................................................... 5-32

5.7.1

Top Panel – SOLH264ENGTX .................................................................... 5-32

5.7.2

Back Panel – SOLH264ENGTX ................................................................... 5-33

5.7.3

Right Hand Side Panel – SOLH264ENGTX .................................................. 5-34

5.7.4

Left Hand Side Panel – SOLH264ENGTX .................................................... 5-35

5.8

Indicator System – SOLH264ENGTX ................................................................ 5-35

5.9

Control Panel System – SOLH264ENGTX .......................................................... 5-35

5.9.1

Cancel/Back Button ................................................................................. 5-36

5.9.2

Joystick/Confirm Button ........................................................................... 5-36

Содержание H264ENC

Страница 1: ...4 SOLH264TX Broadcast Transmitter H264TX H264ENGTX H264ENC Part A User Guide Tactical Communications and Surveillance UNCLASSIFIED The Cobham Centre Solent Fusion 2 1100 Parkway Solent Business Park W...

Страница 2: ...how the system can best be used but it is of most benefit to Operators who are in charge of the daily operation of the equipment Installers who are responsible for the pre installation on site install...

Страница 3: ...phasises a new word or term of significance We call this a protocol and its function is a Text in these brackets indicates an optional component that can be left out Ls a NN This indicates a value ent...

Страница 4: ...Tactical Communications and Surveillance 0 9 Document History This document was written and produced by Cobham Tactical Communications and Surveillance Technical Publications Team This is a change con...

Страница 5: ...G 1 3 1 3 3 Understanding COFDM 1 4 1 4 Features and Benefits 1 5 1 4 1 Features and Benefits Table 1 5 1 5 Applications 1 6 1 5 1 Professional Camera Back Applications Sports and News 1 7 1 5 2 Helic...

Страница 6: ...Markings 3 25 4 Cautions and Warnings 4 26 4 1 General 4 26 4 2 Cautions and Warnings 4 26 4 3 EMC Safety and Radio Approvals 4 27 4 4 CE Marking 4 27 5 Panels Displays Controls Indicators and Alarms...

Страница 7: ...6 39 6 6 3 Data 6 40 6 6 4 IP 6 40 6 7 Control SOLH264ENGTX 6 40 6 7 1 RS232 Control 6 40 6 7 2 IP Control 6 40 7 Setting up your Transmitter 7 41 7 1 General 7 41 7 2 Connecting Antennas 7 41 7 2 1...

Страница 8: ...eneral 9 55 9 2 Encryption 9 55 9 2 1 Encryption System 9 55 9 2 2 Switching on the Transmitter Encryption 9 55 9 2 3 Number of Encryption Key Characters Required 9 56 10 Control System 10 58 10 1 Gen...

Страница 9: ...10 7 1 Audio Settings 10 77 10 8 Configuring the Video Parameters 10 78 10 8 1 Video Settings 10 79 10 9 Configuring the Unit Parameters 10 82 10 9 1 Unit Parameter Settings 10 83 11 Care and Mainten...

Страница 10: ...102 Before you Begin 13 102 Step 1 Connect the System 13 103 Step 2 Configure Transmitter 1 for Chaining 13 103 Step 3 Configure Transmitter 2 for Chaining 13 104 Step 4 Configure the Receiver to Sho...

Страница 11: ...ilitary and civil systems for more than seventy years keeping people safe improving communications and enhancing the capability of air land and maritime platforms The group has three divisions employi...

Страница 12: ...rue broadcast quality pictures to be transmitted in only 2 5MHz bandwidth This enables users to maximise usage of limited RF spectrum as 2 or 3 cameras can occupy the bandwidth previously required by...

Страница 13: ...digital modulation broadcasting method Digital transmission advantages include 1 3 1 1 Fewer errors Digital communications systems can tolerate large amounts of signal loss and dispersion without impa...

Страница 14: ...due to its flexible feature set allowing for broadcast quality HD pictures at lower bit rates than comparable HD MPEG 2 systems 1 3 3 Understanding COFDM The modulation scheme that Cobham uses is Code...

Страница 15: ...roprietary narrowband modulation True multi mode operation Perfect integration with your current equipment or spectrally efficient transmission modes ASI input and output Low cost of ownership Easy co...

Страница 16: ...the calm of the base then the operations staff just have to quickly select the preset with the FCON panel Simple FCON control panel Easy to use Operations staff can make quick changes to reconfigure t...

Страница 17: ...osed to free space 3 The equipment should not be exposed for any long periods to any form of liquids 1 5 3 Integration in Vehicles Users should be aware of the following issues when integrating the eq...

Страница 18: ...adcast Transmitter There are several major variants of the SOLH264TX Broadcast Transmitter Equipment Title Part Number Solo H 264 SD TX 340 470MHz 100mW SOLH264TX 034047 Solo H 264 SD TX 1 0 1 5GHz 10...

Страница 19: ...Solo H 264 ENG SD TX 2 5 3 0GHz 100mW SOLH264ENGTX 250300 Solo H 264 ENG SD TX 3 0 3 5GHz 100mW SOLH264ENGTX 300350 Solo H 264 ENG SD TX 3 5 4 0GHz 100mW SOLH264ENGTX 350400 Solo H 264 ENG SD TX 4 0...

Страница 20: ...10 HD Encoder Upgrade TX HDUP RF Band Swap TX RFUP xxxxxx V Mount Camera Bracket HDTXBRAC V Anton Bauer Camera Bracket HDTXBRAC AB 1 6 4 Licensing Options Equipment Title Part Number 2 5MHz 1 25MHz 62...

Страница 21: ...H264ENC UNCLASSIFIED Part A User Guide DS000091 Rev 1 2 2013 05 02 UNCLASSIFIED Page 1 11 1 7 Illustrations It can be useful to get an overview of the system 1 7 1 Main System Diagram SOLH264TX Broad...

Страница 22: ...for video input 9 Lemo OB 6 way jack sockets for RS232 Comm 10 HDMI Type A 19 way jack sockets for HD Video input 11 8 Lemo OB 4 way plug pins for power in 12 Banana 1 way plug pin red for positive 12...

Страница 23: ...4TX Broadcast Transmitter H264TX H264ENGTX H264ENC UNCLASSIFIED Part A User Guide DS000091 Rev 1 2 2013 05 02 UNCLASSIFIED Page 1 13 1 7 2 Main System Diagram SOLH264ENGTX Broadcast Camera Back Transm...

Страница 24: ...ack sockets for ASI output 7 BNC 2 way jack sockets for ASI input 8 HDMI Type A 19 way jack sockets for HD Video input 9 Lemo OB 6 way jack sockets for RS232 Comm 10 USB 4 way plug pins for RS232 comm...

Страница 25: ...5 02 UNCLASSIFIED Page 1 15 1 8 Hardware System The Broadcast Transmitter device comes in a two main enclosures SOLH264TX Broadcast Transmitter Enclosure SOLH264ENGTX Broadcast Camera Back Transmitter...

Страница 26: ...1 8 2 SOLH264ENGTX Broadcast Camera Back Transmitter Enclosure Figure 1 4 SOLH264ENGTX Broadcast Camera Back Transmitter Enclosure 1 9 Software System Each Broadcast Transmitter has two software eleme...

Страница 27: ...the sophisticated features are implemented in firmware running on the internal boards When you are performing a firmware upgrade we provide an installer pack which contains all the required code 1 9...

Страница 28: ...ble to identify each of the elements of the system and understand how they fit together This chapter describes what is included with your system It also outlines any optional parts of the system which...

Страница 29: ...2 Data Cable ODU 4 way plug pins to D Type 9 way plug sockets data CA0340 1 5 HDTX External XLR Audio Cable Assembly 3 Metres Lemo OB 5 way plug pins to XLR 3 way plug sockets and XLR 3 way plug socke...

Страница 30: ...20 HD Encoder Upgrade TX HDUP RF Band Swap TX RFUP xxxxxx V Mount Camera Bracket HDTXBRAC V Anton Bauer Camera Bracket HDTXBRAC AB 2 2 3 Licensing Options Equipment Title Part Number 2 5MHz 1 25MHz 62...

Страница 31: ...3 05 02 UNCLASSIFIED Page 2 21 2 2 4 Equipment Schedule SOLH264ENGTX Serial Item Part No Qty 1 Broadcast Camera Back Transmitter SOLH264ENGTX 1 2 Field Controller USB Cable Lemo OB 6 way plug pins to...

Страница 32: ...TX H264ENGTX H264ENC UNCLASSIFIED Part A User Guide DS000091 Rev 1 2 2013 05 02 UNCLASSIFIED Page 2 22 4 Broadcast TX External 4 Pin ODU Plug Dsub9 3 metre RS232 Data Cable ODU 4 way plug pins to D Ty...

Страница 33: ...requencies your systems are designed to work You may need to find the Serial Number during a support call for example The simplest way is to check the placards and markings on the units and this secti...

Страница 34: ...5 Barcode with six digit serial number The CE marking also known as CE mark is a mandatory conformity mark on many products placed on the single market in the European Economic Area EEA The CE marking...

Страница 35: ...nformation covering placards labels and markings required for general interior and emergency information instructions cautions warnings etc There are no interior placards and markings that will concer...

Страница 36: ...unction of the unit 3 Environment The equipment should not be used in hazardous or corrosive atmospheres Users are reminded of the necessity of complying with restrictions regarding the use of radio d...

Страница 37: ...Emission System When using this device please ensure a distance of 20cm is maintained between your device and your body while the device is transmitting 12 Aircraft Safety Use of this equipment on boa...

Страница 38: ...these features Each Broadcast Transmitter has several panels which contain all the interface connections for the units and the controls and indicators There is an operational control panel on one pane...

Страница 39: ...000091 Rev 1 2 2013 05 02 UNCLASSIFIED Page 5 29 5 2 2 Bottom Panel SOLH264TX Figure 5 2 SOLH264TX Bottom Panel Serial Item 1 BNC 2 way jack sockets for video input 2 Lemo OB 4 way jack sockets for da...

Страница 40: ...2013 05 02 UNCLASSIFIED Page 5 30 5 2 3 Left Hand Side Panel SOLH264TX Figure 5 3 SOLH264TX Left Hand Side Panel Serial Item 1 HDMI Type A 19 way jack sockets for HD Video input 2 Lemo OB 6 way jack...

Страница 41: ...OLH264TX There are no indicators on the SOLH264TX panels User information is displayed on the display screen or on the Control application 5 4 Control Panel System SOLH264TX The control panel located...

Страница 42: ...The SOLH264TX is equipped with a display screen on the front panel You can control what is displayed on this screen using the Control Panel buttons described earlier 5 7 Panel System SOLH264ENGTX The...

Страница 43: ...2 UNCLASSIFIED Page 5 33 5 7 2 Back Panel SOLH264ENGTX Figure 5 6 SOLH264ENGTX Back Panel Serial Item 1 XLR 3 way jack sockets for left audio input 2 XLR 3 way jack sockets for right audio input 3 BNC...

Страница 44: ...4ENGTX Figure 5 7 SOLH264ENGTX Right Hand Side Panel Serial Item 1 Toggle Switch to supply power to the transmitter 2 BNC 2 way jack sockets for ASI output 3 BNC 2 way jack sockets for ASI Input 4 HDM...

Страница 45: ...re 5 8 SOLH264ENGTX Left Hand Side Panel Serial Item 1 Cancel Back Button 2 Display Screen 3 Joystick Confirm 5 8 Indicator System SOLH264ENGTX There is one LED indicator green located on the top pane...

Страница 46: ...el 5 9 2 Joystick Confirm Button Button Does this Joystick Confirm Button Move the joystick for UP DOWN LEFT and RIGHT Press the joystick for ENTER 5 10 Alarm System SOLH264ENGTX There are no visual o...

Страница 47: ...necting systems designed mainly for transporting electric power to the communication system equipment This includes connecting elements wires fuses over voltage protection and breakers 6 2 1 DC Power...

Страница 48: ...a The unit accepts data signals through the Data interface on the bottom panel This is a Lemo OB 4 way jack sockets marked DATA Your CA0340 Data cable assembly fits in here This cable has a D Type 9 w...

Страница 49: ...apter to power the SOLH264ENGTX you may connect the XLR 4 way plug sockets on the adapter to the XLR 4 way jack on the back panel of the transmitter We provide the CA0665 XLR 4 way plug sockets to bar...

Страница 50: ...t carry IP signals 6 7 Control SOLH264ENGTX Describes connecting systems designed mainly for controlling and configuring the radio units This could be Serial Control Data RS232 or RS485 or IP 6 7 1 RS...

Страница 51: ...0 2dBI flexi SMA mount antenna 2 00 to 2 50GHz would be a typical example for an S Band variant 1 Connect the antenna to the SMA jack on the top panel of the transmitter unit 2 Do not over tighten the...

Страница 52: ...tch on the Video source 4 Ensure the radio in configured to accept composite or SDI video For a HDMI input you ll need a Video source SOLH264TX and a HDMI cable suitable for the video source with a Ty...

Страница 53: ...e power source Take care that the vehicle supply is within limits for this unit Aircraft for example normally use 28VDC supplies CAUTION When using a 12VDC supply ensure the polarity is correct The re...

Страница 54: ...itch on the right hand panel to switch on the transmitter 7 7 2 Connecting AC Power You ll need an AC Adapter optional SOLH264ENGTX and the CA0665 Cable CAUTION First connect the CA0665 cable to your...

Страница 55: ...02 UNCLASSIFIED Page 7 45 Press the joystick for ENTER 7 9 A Look at the Display SOLH264TX The SOLH264TX is equipped with a display screen on the right panel You can control what is displayed on this...

Страница 56: ...Broadcast Transmitter H264TX H264ENGTX H264ENC UNCLASSIFIED Part A User Guide DS000091 Rev 1 2 2013 05 02 UNCLASSIFIED Page 7 46 7 10 A Look at the Menu Structure SOLH264TX 7 10 1 Display Screen Menu...

Страница 57: ...NB UMVL Modulation options relevant to Narrowband mode Video In Video input interface settings Video Enc Video encoder options Audio 1 Audio encoder 1 settings Options not starting with Aud 1 are shar...

Страница 58: ...t up 8 2 1 Powering Up SOLH264TX You ll need a fully configured SOLH264TX 1 Switch on the SOLH264TX using the procedure 7 6 above 2 On the display screen you ll see the text illuminate 8 2 2 Powering...

Страница 59: ...ay screen Figure 8 1 Selecting the Root Menu 8 3 2 Selecting a Configuration You ll need a powered SOLH264TX set at the root menu as in 8 3 1 above 1 Push up down on the Joystick button to select a ne...

Страница 60: ...8 50 Figure 8 2 Selecting a Configuration 8 3 3 Selecting RF on or off You ll need a powered SOLH264TX set at the root menu as in 8 3 1 above 1 Push the Joystick Confirm button for two seconds 2 The...

Страница 61: ...atus menu on the display screen 3 Push the Joystick Confirm button to enter the Unit Status menu 4 You ll see Vid Lock which is the first item in the Unit Status menu 5 Use the Joystick Confirm button...

Страница 62: ...the Unit Status menu on the display screen 3 Use the Joystick Confirm button down arrow to scroll down to Unit Control 4 Push the Joystick Confirm button to enter the Unit Control menu 5 You ll see R...

Страница 63: ...o move up and down the Local Settings menu 7 When you find a Config you want to change press the Joystick Confirm button to select that Config for editing 8 Use the Joystick Confirm button to move up...

Страница 64: ...v 1 2 2013 05 02 UNCLASSIFIED Page 8 54 Note You must press the Joystick Confirm button just before the Cancel Back button to avoid menu interaction Note You can lock or unlock the Control Panel from...

Страница 65: ...se then it is possible to encrypt the link Both Bcrypt128 and BCrypt256 are licence controlled features You ll need to encrypt the traffic leaving the transmitter and set up the receiver for decrypt 9...

Страница 66: ...Figure 9 1 Switching on Transmitter Encryption 9 2 3 Number of Encryption Key Characters Required In our example above we used AES128 encryption This needed a key of 32 characters If we had chosen AE...

Страница 67: ...Rev 1 2 2013 05 02 UNCLASSIFIED Page 9 57 Key Type Number of Characters Needed ABS 8 AES128 32 AES256 64 32 in each field Note AES128 uses the same key entered as AES256 lower Therefore setting one wi...

Страница 68: ...s system Alternatively it may be in the form of Control Pages that are viewed on your PC browser when connected to the device using IP communications 10 2 Connecting your PC to your Radio The SOLH264T...

Страница 69: ...rl icon on the PC 3 The PC and Transmitter negotiate a serial connection this may take several seconds 4 The SOLO4 Transmitter Control window opens 10 2 4 Logging in to the Control Application You don...

Страница 70: ...05 02 UNCLASSIFIED Page 10 60 Figure 10 2 Transmitter Control Main Window Serial Item 1 Serial Port drop down 2 Connect Button 3 Polling Status 4 Connection Status 5 Configuration Buttons 6 Advanced O...

Страница 71: ...u can force the application to use a particular serial port by clicking the Drop down arrow and selecting a different COM port from the list 10 3 2 Using the Connect Button Normally the control applic...

Страница 72: ...Check the communications port is set up correctly Connected This is what you want to see It means your Control Application is communicating successfully with the device 10 3 7 Using the Configuration...

Страница 73: ...o dialog box will open 5 Type a name for the config in the File name text box Keep the cfg extension 6 Click the Save button 10 3 9 Loading a Configuration 1 Click the Load Config from file button 2 T...

Страница 74: ...t file When you have put some effort into setting up all your configuration tabs Config 1 to Config 16 you ll want to save them in one quick action Here s how you do that 10 3 12 Saving a Configuratio...

Страница 75: ...ton 5 The Please wait while the configs are read and sent message box opens 6 The Config Set loaded alert box opens 7 Click the OK button 10 3 14 Understanding the Connection Status Indicator Connecti...

Страница 76: ...e DS000091 Rev 1 2 2013 05 02 UNCLASSIFIED Page 10 66 Steady Red Aspect The unit is not emitting RF energy 10 3 16 Understanding the Video Lock Indicator Video Lock Indicator shows Means Steady Green...

Страница 77: ...in this case you ll need to click the Refresh Button to see the latest changes 10 3 19 Basic Setup Pane Quick Setup There are several basic setup fields that enable you to do a quick setup of the unit...

Страница 78: ...this combo box the drop down arrow enables you to choose between various encryption modes See Note 1 Note 1 Some encryption modes are licensed features If you are not licensed for these modes you ll b...

Страница 79: ...d to you every few seconds This button toggles between polling being on or off 3 Edit Polling Options Opens the Polling options window where you can set what will be polled On the polling list tab and...

Страница 80: ...is the Secondary window of the Control Application This is where you can perform all the advanced setup 10 4 1 Opening the Advanced Options Window To see the Advanced Options window 1 Click the Advan...

Страница 81: ...support call to Cobham Unit Parameter Sample Entries Notes Video locked No or Yes Tells you if the unit has successfully locked to the incoming bit stream Software version 1 4c1 The version of softwar...

Страница 82: ...chip on the board This is the intermediate voltage between the I O voltage and the Core Voltage Battery Voltage 12 The main battery voltage if present only available on SOLH264ENGTX 10 6 Configuring t...

Страница 83: ...tches the RF modulation on off same as the RF button on the unit Narrowband FEC 1 3 or 2 3 This field indicates the forward error correction FEC rate which is being applied Think data bits all bits 1...

Страница 84: ...settings With a SD video input source selected modes have the following effect Mode Radio Setting Data rate Sensitivity Short range 2 5MHz FEC2 3 Guard 1 16 16QAM 4 8Mbps 94dBm Medium range 2 5MHz FEC...

Страница 85: ...g terrestrial It s the same standard that s used if your digital TV at home gets its signal from a conventional antenna Unit Parameter Options Notes DBVT FEC rate 1 2 2 3 3 4 5 6 and 7 8 Default is 1...

Страница 86: ...the whole DVBT frequency to be shifted a very small amount to counter this problem Network Name Solo is the default value Can be anything This name simply differentiates one digital service from anoth...

Страница 87: ...ode you ll be able to select it but the unit will simply drop into Off mode automatically 10 7 Configuring the Audio Parameters To work with the Audio tab 1 Click the Advanced button on the SOLO4 Tran...

Страница 88: ...48kbits s This is the MPEG audio encoding bit rate Generally the higher the number the better the quality MPEG Audio rate MPEG L2 48 56 64 80 96 112 128 160 192 224 256 320 and 384kbits s This is the...

Страница 89: ...ings Unit Parameter Options Notes Video input Off Comp PAL Comp NTSC Comp NTSC no ped Comp PAL S Video Comp NTSC S Video Comp NTSC S Video no ped SDI PAL SDI NTSC HDMI PAL HDMI NTSC HD SDI HD HDMI You...

Страница 90: ...urately Sub horizontal resolution Full 3 4 2 3 1 2 1 4 This is the fraction of the horizontal resolution for whatever format you have selected Let s say you chose an HD 1080 format This is actually 19...

Страница 91: ...of GOP structures Shorter GOP less delay lower quality video more error resilience Longer GOP more delay higher quality video less error resilience Note This option only affects Standard delay Encodi...

Страница 92: ...chaining outputs Pattern generator Auto Pattern Auto Black Screen Moving Pattern Static Pattern A V Sync Disabled A series of pattern formats you can select which are displayed if video is absent or...

Страница 93: ...is an identifier for the service This may have to match the name at the receiver for the service to be decoded depending on receiver settings Sleep mode No or Yes Default is No The unit can be forced...

Страница 94: ...ault If low end to end data latency is required the data packet length can be reduced However this will reduce the bit rate available for video encoding Chaining input Off On or Relay The default is o...

Страница 95: ...PMTs contain information about programs For each program there is one PMT PCR PID Default or 0x0001 to 0x1FFE To enable a decoder to present synchronized content such as audio tracks matching the asso...

Страница 96: ...atteries chargers and power adapters 11 2 Daily Care and Charging Use approved batteries chargers and adapters designed specifically for your make and model radio Do not attempt to charge a wet radio...

Страница 97: ...Client Services team on tcs whiteley support cobham com no restricted content or by phone on 441489566750 then press 1 for support Office hours 0900 1700 UK time excluding holidays For technical supp...

Страница 98: ...other signal in voltage or current The magnitude of variation in a changing quantity from its zero value Amplitude Modulation Modulation in which the amplitude of the carrier wave is varied above and...

Страница 99: ...s B Means BNC Bayonet Neill Concelman A very common type of RF connector used for terminating coaxial cable Bandwidth The width of a band of frequencies used for a particular purpose C Means COFDM Co...

Страница 100: ...for additional data The advantage of forward error correction is that a back channel is not required or that retransmission of data can often be avoided at the cost of higher bandwidth requirements o...

Страница 101: ...propagation refers to electro magnetic radiation including light emissions travelling in a straight line The rays or waves are diffracted refracted reflected or absorbed by atmosphere and obstruction...

Страница 102: ...common way of referring to controllable cameras Propagation A phenomenon by which any wave moves from one point to another the travel of electromagnetic waves through space or along a transmission li...

Страница 103: ...agnetic signal such as radio television or other telecommunications TNC The TNC threaded Neill Concelman connector is a threaded version of the BNC connector The connector has a 50 impedance and opera...

Страница 104: ...F for other types of transmission Broadcasters often use ASI to link broadcast devices together 13 1 2 Chaining In Cobham we use the term Chaining when we are linking devices together This is because...

Страница 105: ...or maintaining transmission integrity when the signal is degraded A Transport Stream may carry multiple programs 13 4 What is a PID Each table or elementary stream in a transport stream is identified...

Страница 106: ...onship between PIDs Program Number and Chaining Number We saw above that Cobham transmitters have a set of default PIDs which is fine if you are sending just one program When we start chaining devices...

Страница 107: ...s like this PID Default PID Value Program 6 PID Value PMT 32 5 37 Video 300 5 305 Audio 1 200 5 205 Audio 2 500 5 505 RS232 Data 100 5 105 CCU Return Data 400 5 405 Metadata 600 5 605 PCR 8190 5 8185...

Страница 108: ...end we use that same Program Number to ensure we only decode the elements making up that channel 13 9 2 Service Names and Unit Names If the transmitter is using Service Names or Unit Names then these...

Страница 109: ...then uses the transmitter to re modulate the signal onto another frequency This technique has the following advantages Maintains Video Quality Does not increase delay Maintains encryption CAUTION On...

Страница 110: ...er for Relay 1 Connect the SOLH264TX Transmitter to your Windows PC and start the Control Application 2 Click the Advanced button 3 The Advanced Options window opens 4 Select the Unit Parameters tab 5...

Страница 111: ...13 2 Configuring the Transmitter for Relay Mode Troubleshooting In the Unit Information tab the Chaining field said Overflow instead of active and my relay didn t work This means the Transmission bit...

Страница 112: ...I source to replace the receiver in my example The only rule is The ASI bit rate must be less than the modulation bit rate 13 12 Setting up Chaining Mode The chaining mode allows two or more services...

Страница 113: ...g Mode Step 2 Configure Transmitter 1 for Chaining 1 Connect Transmitter 1 to your Windows PC and start the Control Application 2 Click the Advanced button 3 The Advanced Options window opens 4 Select...

Страница 114: ...e 13 104 11 Set the Chaining Output to ON 12 Click the Apply button Figure 13 4 Configuring Transmitter 1 for Chaining Step 3 Configure Transmitter 2 for Chaining 1 Connect Transmitter 2 to your Windo...

Страница 115: ...on output to ON 6 Click the Apply button 7 Select the Unit Parameters tab 8 Set the Unit Name to Transmitter2 9 Set the Chaining Input to ON 10 Set the Chain No to 1 11 Click the Apply button 12 Click...

Страница 116: ...06 Figure 13 5 Configuring Transmitter 2 for Chaining Step 4 Configure the Receiver to Show Transmitter 1 1 Ensure all the modulation and video parameters are correctly set as in a conventional link 2...

Страница 117: ...et your Default Service to Transmitter2 or set your default Program ID to 2 Remember Chain no 1 is Program Number 2 Note Remember the priority rule If you only set a Service Name then the Program ID m...

Страница 118: ...d of using a Transmitter Control Application you use our Mission Commander software which has a Solo 6 Transmitter Configuration window This is a graphical interface that makes setting up chaining rea...

Страница 119: ...eration In my example I have chained encoder two into encoder one so I can transmit two video products over the single frequency of RF Output 1 1000MHz Then I moved the Bit Rate Balance slider to allo...

Страница 120: ...known bit rate for the radio link Then the bit rate for Video 1 and Video 2 when added together must not exceed the total RF bit rate In my example I ve set transmitter 2 for Narrowband short range m...

Страница 121: ...e in step 2 6 above we have switched Chaining Input to OFF In our earlier example this was switched ON and you may have wondered why as nothing is attached to this transmitter s ASI IN port The reason...

Страница 122: ...4TX Broadcast Transmitter H264TX H264ENGTX H264ENC UNCLASSIFIED Part A User Guide DS000091 Rev 1 2 2013 05 02 UNCLASSIFIED Page 13 112 Figure 13 8 Configuring Transmitter 1 for Chaining with Manual Bi...

Страница 123: ...anced button 3 The Advanced Options window opens 4 Select the Unit Parameters tab 5 Set the Unit Name to Transmitter2 6 Set the Chaining Input to ON 7 Set the Chain No to 1 8 Click the Apply button 9...

Страница 124: ...4TX Broadcast Transmitter H264TX H264ENGTX H264ENC UNCLASSIFIED Part A User Guide DS000091 Rev 1 2 2013 05 02 UNCLASSIFIED Page 13 114 Figure 13 9 Configuring Transmitter 2 for Chaining with Manual Bi...

Страница 125: ...mber the priority rule If you only set a Service Name then the Program ID might match the wrong program and take priority A good rule of thumb is to always set Program ID Step 5 Configure the Receiver...

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