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program, the video bit-rate may exceed 10Mbps, even up to 15Mbps. However, the

maximum possible bit-rate output for single DVB-T carrier is only around 30Mbps.

15Mbps x4 =60Mbps > 30Mbps.

It means the single DVB-T carrier simply can't carry the 4 channels 1080i HD

programs if the average bit-rate reaches 15Mbps.

That's why we design 2*DVB-T carrier modulation board which double the maximum

possible bit-rate bandwidth up to 60Mbps, which rightly makes it reliably carry 4

channels HD programs output simultaneously.

Below brief chart will help to more clearly illustrate the working principle.

1.7 Appearance and Description

Front Panel Illustration

①

LCD window: LCD display

②

NMS & DATA ports

③

Power and Alarm Indicators

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Содержание NDS3542A

Страница 1: ... MPEG 2 HD MPEG 4 HD Encoding DVB T Modulating SW Version 1 07 HW version 0 1 Web NMS version 1 03 4 HDMI to DVB T Encoder Modulator RIAN BV Bergstraat 25 5581 BL Waalre 040 2213656 mailbox rian bv nl ...

Страница 2: ... AND DESCRIPTION 4 CHAPTER 2 INSTALLATION GUIDE 6 2 1 GENERAL PRECAUTIONS 6 2 2 POWER PRECAUTIONS 6 2 3 DEVICE S INSTALLATION FLOW CHART ILLUSTRATED AS FOLLOWING 6 2 4 ENVIRONMENT REQUIREMENT 6 2 5 GROUNDING REQUIREMENT 7 CHAPTER 3 OPERATION 8 3 1 LCD MENUS 8 3 2 INITIAL STATUS 10 3 3 GENERAL SETTINGS FOR MAIN MENU 11 CHAPTER 4 WEB NMS OPERATION 19 4 1 LOGIN 19 4 2 OPERATION 20 CHAPTER 5 TROUBLESH...

Страница 3: ...CHAPTER 6 APPLICATION 32 CHAPTER 7 PACKING LIST 34 ...

Страница 4: ...nto RF output It has equipped with 4 HDMI channels input and 1 ASI input and output with 2 ASI ports and 1 UDP IP port It adopts inner drawer type structural design which greatly facilitates the change of encoding modules HDMI CVBS SDI YPbPr as needed The signals source could be from satellite receivers closed circuit television cameras Blue ray players and antenna etc Its output signals are to be...

Страница 5: ...G4 AAC available Sample rate 48KHz Bit rate 64kbps 96kbps 128kbps 192kbps 256kbps 320kbps DVB T Modulator Section Standard EN300744 FFT mode 2K 8K Bandwidth 6M 7M 8M Constellation QPSK 16QAM 64QAM Guard Interval 1 4 1 8 1 16 1 32 FEC 1 2 2 3 3 4 5 6 7 8 MER 42dB RF frequency 30 960MHz 1KHz step RF out 2 RF COFDM DVB T out 2 carriers combined output Double output bandwidth RF output level 30 10dbm ...

Страница 6: ...ions 482 400 44mm Weight 4 5 kgs Operation temperature 0 45 1 4 Schematic Overview 1 5 Principle Chart 1 6 Typical Application of Dual Carrier Outputs As we all know to guarantee the picture quality of 1920x1080 50I 60I resolution HD ...

Страница 7: ...i HD programs if the average bit rate reaches 15Mbps That s why we design 2 DVB T carrier modulation board which double the maximum possible bit rate bandwidth up to 60Mbps which rightly makes it reliably carry 4 channels HD programs output simultaneously Below brief chart will help to more clearly illustrate the working principle 1 7 Appearance and Description Front Panel Illustration LCD window ...

Страница 8: ...for confirm Menu button for back step Lock button press to lock set Rear Panel Illustration HDMI Module 1 HDMI input port 1 2 HDMI Module 2 HDMI input port 3 4 RF in port for combiner use RF out port ASI input port ASI output ports Switch Power supply slot Grounding ...

Страница 9: ... fastened do not open the cover of the products when the power is on After use securely stow away all loose cables external antenna and others 2 2 Power precautions When you connect the power source make sure if it may cause overload Avoid operating on a wet floor in the open Make sure the extension cable is in good condition Make sure the power switch is off before you start to install the device...

Страница 10: ... less paint Fire Protection Fire alarm system and extinguisher Power Requiring device power air conditioning power and lighting power are independent to each other Device power requires AC 110V 10 50 60Hz or AC 220V 10 50 60Hz Please carefully check before running 2 5 Grounding Requirement All function modules good grounding is the basis of reliability and stability of devices Also they are the mo...

Страница 11: ... The area of the conduction between grounding wire and device s frame should be no less than 25 mm2 Chapter 3 Operation 3 1 LCD Menus An overview of the LCD menus ...

Страница 12: ......

Страница 13: ...dard of this device A carrier output A B carrier output B XXX XX MHz indicates the current output frequency range 30 960MHz of its corresponding carrier output P1 Program 1 P2 Program 2 P3 Program 3 P4 Program 4 X XX Mbps indicate the encoding bit rate of the corresponding program respectively Start up Start OK DVB T A XXX 00MHz P1 X XXMbps P2 X XXMbps ...

Страница 14: ...if there is no A V signals inputting or outputting bit rate overflows User then can enter this menu to check the error type 2 Encode Setting Under this submenu the LCD will show 2 1 Input 1 2 2 Input 2 and 2 3 ASI Under submenus 2 1 or 2 2 user could set the video audio encoding format and bit rate of the program from the HDMI input 1 Alarm Status 2 Encode Setting 3 Modulate Setting 4 IP Output Se...

Страница 15: ... Format the encoding module supports MPEG2 audio format This is a read only interface for checking Select Program is to select programs from the RF IN to output Move the triangle mark to specify the program and press ENTER to confirm Under submenu 2 3 user could parse the inputting programs and select the programs to output Video Bit Rate 14 000 Mbps Video Format Video Bit Rate MPEG2 64 Kbps 96 Kb...

Страница 16: ...ferent parameters can be set and the LCD window would show as below As the NDS3542A is with dual carrier outputs 3 1 and 3 2 represent the Carrier A and Carrier B respectively User can enter 3 1 or 3 2 to set the corresponding modulating parameters Submenus are as below Bandwidth There are three possible options provided for selecting bandwidth 6M 7M and 8M When the display shows them user just ne...

Страница 17: ... the number of current carrier is 8192 Guard Interval In communications guard intervals are used to ensure that distant transmissions do not interfere with each other These transmissions may belong to different users as in TDMA or same user as in OFDM The purpose of the guard interval is to introduce immunity to propagation delays echoes and reflections to which digital data is normally very sensi...

Страница 18: ...e is 30 10dbm 81 97dbµV with 0 1db step After entering this setting submenu user can shift UP DOWN LEFT RIGHT key to set the output level and press ENTER to confirm RF On This interface is to decide whether to enable the RF carrier A output or not OFF to disable programs to output through carrier A ON to enable programs to output through carrier A NOTE The setting principle of 3 2 is the same with...

Страница 19: ...cide whether to turn the IP port on or off and enter to the rest menu items to set the corresponding parameters 5 Network setting After enter Network Setting there are three submenus shows as the following LCD displays User can press UP DOWN to choose this item and ENTER LEFT RIGHT to set the parameters 5 5 Reset Password 5 6 Web Manage Port 5 3 Gateway 5 4 MAC Address 5 1 IP Address 5 2 Subnet Ma...

Страница 20: ... confirm User can restore the device into the last saved configuration by choosing 7 1 and restore the device into factory configuration by choosing 7 2 the display will show as below 8 Version User can check the software version and hardware version of this equipment under IP Address 192 168 000 136 Subnet Mask 255 255 255 000 Gateway 192 168 000 001 MAC Address ffffffffffffffffffffff Reset Passw...

Страница 21: ...this submenu Encoder Modulator SW 1 07 HW 0 1 ...

Страница 22: ...he front panel Connect the PC Personal Computer and the device with net cable and use ping command to confirm they are on the same network segment I G the PC IP address is 192 168 99 252 we then change the device IP to 192 168 99 xxx xxx can be 0 to 255 except 252 to avoid IP conflict Use web browser to connect the device with PC by inputting the Encoder Modulator s IP address in the browser s add...

Страница 23: ...ncoding module as Figure 3 Device standard and name User can click any item here to enter the corresponding interface to check information or set the parameters TS indicators Green light indicates the TS is normal which otherwise turns to red A B respectively represent carrier A and carrier B It automatically identifies and displays the signal source interface and real time encoding bit rate of co...

Страница 24: ...s the information of the program from the 2ed HDMI encoding module ASI Input Click ASI Input it will display ASI input program information as Figure 4 General Settings for the HDMI IN program User can edit any item listed as needed Carrier B Click this box to enable or disable the program output through Carrier B Carrier A Click this box to enable or disable the program output through Carrier A En...

Страница 25: ... output Click Refresh Input to refresh the input program list Click Refresh Output to refresh the output program list When user checks one input program with one can transfer the checked program to the right box to output Here user can select the programs which we want to output or we can output all the programs Similarly user can cancel the multiplexed programs from the right box to select all th...

Страница 26: ...any program such as EPG NIT tables and so on which user just wants to pass them through the multiplexing module without changing anything This is the main purpose of this function Click Add to add more boxes for filling the Input Output PIDs then click Apply to confirm NIT Table setting Click NIT from the menu to trigger the screen as Figure 5 Then click Add from this screen to add the program des...

Страница 27: ...his page it will display the screen as Figure 6 where it requires to add Service ID and configure other parameters for the programs Figure 6 Here by clicking Add users can set the program LCN in its respective field After setting all the data users need to click on Save to save the ...

Страница 28: ...he screen as Figure 8 where to set the multicast IP Output address for the device if needed and set the IP output for the programs After setting the parameters click Apply to save the setting Figure 8 Modulator Setting Enter in Modulator and it will display the Modulator Configuration screen as Figure 9 where can set modulation parameters ...

Страница 29: ... Carrier output channel selecting Output A The ASI output programs are same as carrier output A Output B The ASI output programs are same as carrier output B After setting all the parameters click Apply to save the Modulator Configuration Figure 9 Save Restore Clicking Save Restore from the menu it will display the screen as Figure 10 where can save the configuration permanently to the device Clic...

Страница 30: ... the Device Click Reboot from the menu the screen will display as Figure 11 Here when clicking Reboot box it will restart the device automatically Figure 11 Update the Device Click Firmware from the menu it will display the screen as Figure 12 Here user can update the device by using the update file ...

Страница 31: ...vice After updating the device user needs to restart the device by using Reboot option Figure 12 Network When user clicks Network it will display the screen as Figure 13 It displays the network information of the device Here user can change the device network configuration as needed Figure 13 Browse Button ...

Страница 32: ...ocked to avoid unrelated users modifying or view the device information and configurations User can t operate the keyboard LCD while only the device IP address can be noted in the LCD window Backup Load Click Backup Load from the menu it will display the screen as Figure 15 Backup Configuration To back up the device configuration file to a folder Load Configuration If user needs to load the old co...

Страница 33: ... Load File to load the backup file to the device Figure 15 Browse Button ...

Страница 34: ...re between 0 to 45 C Making sure good ventilation for the heat sink on the rear panel and other heat sink bores if necessary Checking the input AC within the power supply working range and the connection is correct before switching on device Checking the RF output level varies within tolerant range if it is necessary Checking all signal cables have been properly connected Frequently switching on o...

Страница 35: ...lication Examples 1 Residences and Private Homes Video content DVB T ISDB T distribution 2 Outside Audio Video contents ON AIR DVB T ISDB T distribution 3 Hotel Audio Video contents DVB T ISDB T distribution 4 Bar Audio Video contents distribution ...

Страница 36: ...5 Cinema Audio Video contents DVB T ISDB T distribution 6 Company Audio Video contents distribution ...

Страница 37: ...Chapter 7 Packing List NDS3542A Encoder Modulator 1PC User s Manual 1PC HDMI Cables 4PCs Power Cord 1PC ...

Страница 38: ... in MPEG4 AVC H 264 encoding with 1 or dual SDI in DVB S2 tuner input YPbPr HDMI CVBS input MPEG4 AVC H 264 encoding with one or dual HDMI input MPEG2 HD encoding with one or dual HDMI input Modulation modules include ISDB T RF out module DVB C RF single dual carriers out module ATSC RF single dual quad carriers out module DVB T RF single dual carriers out module ...

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