QPSK Demodulator User Manual
Contents
1. Model QPSK TS Demodulator Input Frequency 950 2150MHz Signal level 72 22dBm IF band width 27 36MHz Modulate mode QPSK DVB S Input port 75Q British system F head Loop output 750 British system F head Package 188 204 bite Optional format Output one group two same outputs Multiplexed and selected output port PID amount Management Ethernet port RJ45 10 100M self adaptive Hmm 482mm 330mm Normal 0 45 C work 20 80 C store attribute 110 220VAC 10 50 60Hz Electrical source 35W port 1 4 System Components and Principle 1 4 1 System components QPSK Demodulator QPSK Demodulator Tuner Module Tuner Module LNB input 1 Demodulate Module Demodulate Data Module Processing TS Main output Module Demodulate Module TS input 6 Power 1 4 2 Working principle LNB input 2 LNB input 5 TS Backup output Tuner Module 1 4 2 1 Tuner Satellite signal input via LNB frequency range at 950 2150 MHz after high precision digital tuner comes corresponding IQ signal then IQ signal be sent to date demodulator chip afterwards standard synchronous parallel data output 1 4 2 2 Data processor FGPA After FPGA got corresponding parallel data it output standard MPEG 2 stream ASI interface digital signal for the use of devices such as scrambler modulator and so on 1 5 Panels and Instructions 1 5 1 Front panel QPSK Demodulator D2. QPSK Demodulator User Manual V3 5 QPSK Demodulator Charter 1 Product Outline 1 1 Outline QPSK TS Demodulator used for receiving and transferring 5 routes DVB S channels to 5 routes TS stream signal directly then convert via FPGA outputting ASI to devices such as Multiplexer or Modulator No need to do process of decompression encoding etc The other ASI input route can receive EPG or other TS stream and it has inner multiplexer It is widely used in satellite digital TV data broadcasting Internet etc 1 2 Features Support 5 routes LNB independent input or loop input 1 route ASI TS stream input by inner multiplexer it output one ASI TS and one backup of ASI TS stream output e Support EPG or other ASI TS inputs multiplex by inner multiplexer LNB input frequency range 950 2150 MHz Interface comply with ASI standard DVB MPEG 2 both compatible e SCPC MCPC compatible can receive all domestic and foreign non encrypted digital programs Polarization mode Horizontal vertical for optional F head for optional C Ku band compatible Adopt ultra low threshold integrated tuner high reliability good performance power off memory Stable and reliable performance strong anti interference capability Application Digital satellite television broadcasting e MMDS digital TV front end Digital cable television network QPSK Demodulator 1 3 Performance Indicator
3. al address 10 EE FO EE ED ED Move Left Right and Up Down button modify the parameter to the value you want to set then press enter button to confirm it displays Saving Done means modified successful Press menu button to return 4 Go on moving down the cursor to the front of Select Language press enter button It displays Select Language MC English OR Move Left Right button the language marked with symbol star will be the selected language press enter button to confirm press menu button to return 5 Go on moving down the cursor to the front of Factory settings press enter button it displays Factory Settings Confirm Exit CP Move Left Right button when star symbol point to Exit press enter button will not back to factory setting conversely is confirm to back to factory setting Press menu button to return 6 Go on moving down the cursor to the front of About System press enter button it displays DemoduLator 6 Ver2 8 QPSK Demodulator Press menu button to return 2 3 2 Network management details refer to its User Manual 3 System errors and Debugging 3 1 Status of indicator lights There are 8 LED indicators on the front panel as below 1 Power for power Green when turn on power switch indicator lighting means the device working normal 2 Alarm for alarm Red i
4. door gaps and dual level glasses for Door amp window window Wall It can be covered with wallpaper or brightness less paint but do not paint a easy pulverable paint Fire protection Fire alarm system and extinguisher Requiring device power air conditioning power and lighting power are Power independent to each other Device power requires AC power 220V 50Hz Please carefully check before running 1 2 3 System grounding requirement e All function modules good grounding designs are the base of reliability and stability of device Also they are the most important guarantee of lightning arresting and interference rejection Therefore system must follow this rule e Coaxial cable s outer conductor and isolation layer should keep sound electric conducting with the metal housing of device e Grounding conductor must adopt copper conductor in order to reduce high frequency impedance and the grounding wire must be as thick and short as possible e The 2 terminals of grounding wire must make sure for well electric conducting and process for antirust e It is prohibited that users use other devices as part of grounding wire s electric circuit e The section of the conjunction between grounding wire and device s frame should be equal or greater than 253mm 1 2 4 Frame grounding All the machine frames should connect to protective copper strip The grounding wire should be as short as possible and avoid circling The
5. igital Power Lock1O Lock4O Enigi Menu Video gt Lock2O Lock5O CD gt Alarm O Lock3O Lock6O Broadcasting QPSK Demodulator 1 LCD display 2 Power indicator 3 Alarm lock indicator 4 Lock indicator 5 UP DOWN LEFT RIGHT Button 6 Confirm Unlock button 7 Menu button 1 5 2 Back Panel AC110V 220V 50 60Hz Ethernet Ka J From left to right followed by 1 Network interface RJ45 LNB input 1 LNB loop output 1 LNB input 2 LNB loop output 2 LNB input 3 LNB loop output 3 LNB input 4 LNB loop output 4 6 LNB input 4 LNB loop output 5 7 ASI bit stream input 8 MUX multiplexed bit stream ouput 1 2 9 Power switch ON for turn on OFF for turn off 10 Fuse pipe 2A AC250V 11 Power socket connect to AC180 AC240V 20 60MHz 12 Ground pole for complete appliance ak N LNB input port receive the signal which receive from the satellite antenna via F head LNB loop output port it can put the same satellite signal sources supply to other LNB input port or to other input device QPSK Demodulator Charter 2 Installation Guide 1 1 Inspection upon reception Open the device packing carton make sure to check all the packages for the small parts check the commodities according to the packing list or below items e QPSK TS Demodulator 1set e User manual 1 pc e Dual Q9 ends coaxial cable 4 pc e AC power line 1 pc In case of any discrepancies please contact the dealer at
6. ndicator turn on when output stream overflow 3 If Lock indictor not on light it means the device work abnormal once it lighting green the device working normal 3 2 Trouble Shooting 1 Power indicator not on light Please check the power cord if inserted into the power socket correctly or the power switch is in the status of ON or OFF 2 Alarm lighting Please check the stream of the 6 programs and total value of the stream increas the output stream value 3 Lock not on light The device working abnormal it is fault alarming Please check the connection wire of LNB IN and the parameter value according to the channel number is right or wrong so that to do trouble shooting 11
7. once 1 2 Installation Following below steps once you are ready to install the device The every details of installing will be described in rest of this chapter please refer to the panel instructions for the specific location This chapter includes the following e Check any possible losing or damage occur during the transport e Get ready the good environment for installation e Install QPSK TS Demodulator e Connect to the signal lines e Connect to the communication port optional 1 2 1 Device installation flow chart as following Connecting Acquisition Fixing ale Connecting Setting Running Check Device Signal Wire Parameter Device Power Cord 1 2 2 Environment requirement Item Requirement When many arrays machine cabinets there make sure 1 2 1 5m Machine hall door to door between one cabinet to another distant the wall at least space i 0 8m Electric Isolation Dust Free Machine hall ae 7 10 fl Volume resistivity of ground anti static material 1x10 1x10 o oor Grounding current limiting resistance 1MQ QPSK Demodulator Floor bearing should be greater than 450Kg m Environment 5 40 C sustainable working 0 45 C short time working temperature To install air conditioning is recommended Relative 20 80 sustainable working 10 90 short time working temperature Pressure 86 105KPa Installing rubber strip for sealing
8. section of the conjunction between grounding wire and grounding strip should be equal or greater than 25mm QPSK Demodulator 1 2 5 Device grounding Connecting the device s grounding rod to frame s grounding strip with copper wire 1 3 Wires Connection The power supply outlet is located at the left of rear panel and the power switch is just above it The protective grounding wire connective screw is located at the down left side of power supply outlet e Connecting Power Cord User can insert one end into power supply outlet while insert the other end to AC power e Connecting Grounding Wire When the device solely connects to protective ground it should adopt independent way say share the same ground with other devices When the device adopts united way the grounding resistance should be smaller than 10 Caution Before connecting power cord and LNB line to QPSK TS Demodulator make sure have set the power switch to OFF 1 4 Signal Wire Connection The signal line connections include the connection of input signal wire and the connection of output signal wire The input signal line connect with the demodulator LNB IN ASI output port should connect with coaxial cable which witch dual Q9 ends ASI input connection wire 1 4 1 ASI input connection Find the ASI output interface according to the rear panel instruction connect one end of the dual Q9 ends coaxial cable to the ASI output port the other end of
9. ters modification and setting up Menu Framework Setup IP address Setup IP address 101 101 101 010 Setup submask Setup submask 255 255 255 000 Receiverl UnLock Setup physical F 04040MHz SR 27500k address etup physical address 10 EE FO EE ED ED Restore to factoty Language select setting FX English restore to factoty setting Confirm exit Demodulator Ver 2 8 2 3 1 Operation instruction 1 In main screen press menu button it displays Setup IP address Setup submask Move cursor amp down to the front of Set IP Address press enter button enter into screen as below Setup IP address 101 101 101 010 Move Left Right button and Up Down button modify the parameter to the value you want to set then press enter button to confirm it displays Saving Done means modified successful Press menu button to return QPSK Demodulator 3 Go on moving down the cursor to the front of Setup submask press enter button it displays 6 Set submask 255 255 255 000 Move Left Right and Up Down button modify the parameter to the value you want to set then press enter button to confirm it displays Saving Done means modified successful Press menu button to return 3 Go on moving down the cursor to the front of Se physical Address press enter button it displays Setup physic
10. the cable connect to the ASI input interface of TS multiplexer or modulator such QPSK Demodulator devices illustration as following 2 Front panel keybord function introduction 2 1 Keyboard function Left Right Move cursor Up Down Modify parameters Enter Confirm and store modification also for select Menu Circle main menu and channel parameters state inquiry even cancel modify etc Note make sure press confirm button once you setup new parameters when it displays Saving Done means the parameters setup successful while the parameter displays symbol it means this parameter in effective otherwise means keep the original parameters or to re select parameters 2 2 Mode select Startup displays System Initializing Please be patient Then display main screen LNBI UnLock F 04040MHz SR 27500k In the main screen press Up Down button you can see the correspondingly channel signal work situation down link frequency or symbol rate value you can see if the setting for this channel is right or wrong lock or unlock It can help us to find the problem promptly and solve it Ifthe top right screen displays Unlock means this channel signal unlocked you d better check each parameter and check if the cable connected right or wrong when top right displays Locked mean this channel working normal And the corresponding channel indictor light green QPSK Demodulator 2 3 Parame
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