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DRS4000 Receiver - MAFware Solutions

1. CCITT International Telegraph and Telephone Consultative DAB Digital Audio Broadcasting Committee dB Decibel A telecommunications standardizing committee of A logarithmic measurement of power or voltage the ITU applied to audio and RF signals CCPS Command amp Control Power Supply dBm A measure of RF signal strength defined as deci CENELEC European Committee for Electrotechnical bels relative to one milliwatt mW A 1 mW signal Standardization has a signal strength of 0 dBm A signal weaker than CNR Carrier to Noise Ratio ud dod Map caeli bane gis a a COFDM Coded Orthogonal Frequency Division Multiplexing 2 LEM LE A en f DCC Distribution Command and Control Composite A band or grouping of frequencies and or subcarriers Baseband including video occupied by the signal in a radio DCE Data Communications Equipment transmission system Also called Baseband A device that communicates with a DTE device In Co channel Interference caused by two video transmitters practical terms the DCE is usually a modem and the interference broadcasting on the same channel of the same DTE device is usually a computer frequency for example on channel 2 in the 2 GHz band De Reducing the amplitude of high frequency emphasis components of an analog audio signal Done on the CR4 Code Runner 4 receive end of an analog link to take out emphasis Cross
2. Y http 192 168 0 10 Gl coogle o E fi a Back Fomard Reload Stop Home New Tab y DRS 4000 GB Ume COMMUNICATIONS AN DRS 4000 es AR RADIO Channel 1 0 17MHz Modulation QPSK Video SD Frequency 1999 000 MHz Bandwidth 8MHz Audio Analog 1 2 Band 2GHz FEC Bitrate 5 530 Mbps Mode DVB T Gil 1 8 Polarity Norm Preset None Selected Service No Service Post Viterbi Error Rate 0e 06 COFDM Lock Unlocked Video Lock Unlocked RCL dBm SNR dB Link Quality Antenna A AntennaA Antenna A Antenna B Antenna B Antenna B Antenna C Antenna C Antenna C Antenna D Antenna D Antenna D 3 10 2 Common Features Each web page provides navigation buttons at the upper left The Monitor button returns you to the main control page from anywhere in the web interface The Monitor page contains the same information as on the receiver s control panel The Presets button opens the page for loading saving viewing and deleting presets The Setup button opens the page that contains all the receiver parameters you can set up and modify If a page contains links each link opens a page on which you can select or change a value For pages that require you to select a value for a setting you select from a pulldown menu or click on a radio button 3 10 3 Using the Web Browser Interface Each link on the Monitor page opens a page that allows you to modify that setting For example the
3. DRS4000 Receiver User and Technical Manual Product Description 2 8 3 3 1 Routine Operation Chapter Overview This chapter provides basic information that will enable you to operate your DRS4000 Receiver Here are the topics covered Topic Page Front Panel Displays and Connectors 3 1 Rear Panel Connectors 3 3 DIVERSITY Connectors 3 3 PACKET Connectors 3 4 SCM Connectors 3 4 Other Connectors 3 4 Powering the Receiver 3 3 Powering Up 3 5 Powering Down 3 5 Learning the Regions of the Control Screen 3 3 Help Text Region 3 6 RF Settings Region 3 6 Preset Region 3 6 Data Status Region 3 6 Signal Displays Region 3 6 Menu Buttons Region 3 7 Using the Keypad 3 7 Using the Video Monitor 3 8 Using the Control Screen 3 8 Using the Menus 3 11 Using the Setup Menu 3 11 Using the Preset Menu 3 29 Using the Factory Setup Menu 3 24 Using the Options Menu 3 31 Using the Camera Menu 3 31 Operating the Receiver Remotely 3 32 Starting the Web Browser Interface 3 32 Common Features 3 33 Using the Web Browser Interface 3 33 3 2 Front Panel Displays and Connectors The front panel provides a power switch USB and Ethernet connectors LCD video monitor LCD control screen and keypad Figure 3 1 on page 3 2 shows details of the front panel POWER is controlled by a front panel On Off switch The USB 2 0 connector a
4. Select the preset that matches the transmitted signal Check condition of all antennas BDCs and the cables connected to them These connectors are currently non functional Use any of the other four connectors DRS4000 Receiver User and Technical Manual Troubleshooting 4 2 Table 4 1 Video Problems Problem Possible Cause Suggested Actions No video in monitor and no control panel display Power cable for receiver is loose or disconnected No power or insufficient power to receiver Fuses are blown Make sure power cable is firmly connected at both ends Check line voltage with voltmeter Voltage must be 100 to 130 VAC U S or 205 to 240 VAC non U S Unplug power cable remove fuse holder from connector and replace fuses Use 2A glass fuses Poor video quality Signal strength is low due to interference or a weak signal Receive antennas in use are not in the transmitter s line of sight Wrong preset selected Determine whether the remote crew can relocate or reposition the transmitter switch to another channel or boost power Determine whether the remote crew can relocate or reposition the transmitter Select the preset that matches the transmitted signal No receive signal level on receiver s RCL meter The transmitter is in Standby mode The wrong preset is selected A cable is loose or disconnected Contact the remote crew and ver
5. DRS4000 Receiver User and Technical Manual Replacement Parts 6 1 This page intentionally left blank DRS4000 Receiver User and Technical Manual Replacement Parts 6 2 7 Theory of Operation This chapter provides technical information about the design and function of the DRS4000 Receiver This includes descriptions of the functional modules that make up the system architecture If you are not familiar with the product information presented in Chapter 2 we recommend that you review that chapter first Here are the topics covered Topic Page System Architecture 7 1 Block Downconverters 7 1 RF Switching Module 7 3 Four Channel Input Tuner Module 7 3 COFDM DiversityModule 7 4 MPEG Decoder Module 7 4 Processor Module 7 4 Interface Module 7 5 Power Supply 7 5 Packet Based Switch Module 7 5 7 1 System Architecture The DRS4000 Receiver is a two channel or four channel input COFDM diversity system that can support DVB T and LMS T COFDM signals The receiver is designed to support Standard Definition SD and High Definition HD decoding Within the system architecture for the DRS4000 Receiver there are several key components as shown in the block diagram in Figure 7 1 on page 7 2 The standard version product consists of the following functional modules Block downconverters RF switching module e Four input channel tuner module e COFDM diversity module MPEG d
6. 5 1 Channels and Frequencies A 1 Unpacking the Components 5 1 Appendix Overview A 1 Inspecting the Components 5 2 Initial Factory Settings A 1 Reporting Any Damage 5 2 Pre BAS 2 GHz Channel Plan U S A 2 Preparing the Site 5 2 2 GHz Upper Channel Plan non U S A 2 Testing the Antennas 5 4 3 GHz Channel Plan A 3 Installing the Receiver 5 5 7 GHz Lower Channel Plan U S A 3 Installing Antennas and Downconverters 5 6 US 2 GHz Relocation Project A 4 DRS4000 Receiver User and Technical Manual Contents 2 Glossary B 1 Specifications C 1 Maximal Ratio Combining D 1 Appendix Overview D 1 Antenna Correlation D 1 MaxRC Diversity Technique D 1 Index Index 1 DRS4000 Receiver User and Technical Manual Contents 3 This page intentionally left blank DRS4000 Receiver User and Technical Manual Contents 4 1 Introduction 1 4 Chapter Overview This chapter introduces you to the DRS4000 Receiver User and Technical Manual what it covers how it is organized and for whom
7. COFDM Lock A green indicator means that the receiver is demodulating the signal A red indicator means that the receiver cannot demodulate the signal Vid Lock A green indicator means that the receiver is decoding the video signal A red indicator means that the receiver cannot decode the video signal Signal Displays This region displays real time readings for all antenna inputs as a set of animated vertical bars The RCL group of readings displays receive carrier levels RCL in dBm units The SNR group displays signal to noise ratios SNR in dB units The Link Qual group displays link quality as a derived number 0 to 9 Colors and letters identify the specific antenna being measured In preceding Figure 3 3 on page 3 6 there are four antenna inputs labeled A to D The actual number or readings depends on the number of antennas installed The assignment of letters to antenna inputs is controlled through the RF Switch Matrix screen an option on the Setup Menu DRS4000 Receiver User and Technical Manual Routine Operation 3 10 With no incoming signal the RCL readings may be as low as 88 dBm The SNR and Link Qual regions will be blank 3 9 Using the Menus The bottom region of the control screen displays four buttons that lead to menus Setup Presets Options and Camera To open any of these menus press the down arrow until you highlight one of the menu names then press OK to open the menu The Setup menu pro
8. DRS4000 Receiver User and Technical Manual Introduction 1 1 1 4 How It Is Organized The major topics are covered in the following order Chapter Description 1 Introduction 2 Product description 3 Routine operation 4 Troubleshooting basic problems 5 Installation 6 Replacement parts 7 Theory of operation App A Channels and frequencies supported App B Glossary of technical terms App C Specifications App D Maximal Ratio Combining 1 5 For Whom lt Is Written This manual is intended for use by trained microwave equipment operators assigned to operate the DRS4000 Receiver Users of this manual should already be familiar with basic concepts of radio video and audio 1 6 Related Documents e DRS4000 Quick Reference Card part no 400547 1 1 Ordering Documentation Any of the above manuals may be ordered by contacting MRC Customer Service Business Hours Monday Thursday 8 00 AM 7 00 PM Eastern Time US 0800 1900 hrs US ET Friday 8 00 AM 5 00 PM Eastern Time US 0800 1700 hrs US ET Telephone 800 490 5700 Press 3 1 978 671 5700 Press 3 Fax 1 978 671 5948 E mail customerservice mrcbroadcast com When contacting Customer Service please have the following information available Model number and serial number of the unit This is located on a label on the bottom of each unit Approximate purchase date Firmware revisions depending upon the o
9. The DRS4000 supports Coded Orthogonal Frequency Division Multiplexing COFDM demodulation Link Modulation System LMS T demodulation MPEG decoding in either standard definition or high definition SD HD and optional spectrum viewing making it an excellent solution for expanding and extending your remote capabilities The DRS4000 Receiver exhibits more sensitivity provides a cleaner video image and minimizes multipath effects when DRS4000 Receiver User and Technical Manual Product Description 2 1 compared to other microwave receivers The receiver operates on 100 to 260 VAC at 50 to 60 Hz An autosensing circuit detects actual line voltage You can readily change system parameters from the front panel using a keypad and the control screen or by using a studio based master controller Frequently used settings can be saved in one of 50 presets A video monitor offers a display of live video as well as an optional overlay of the RF spectrum In a typical DRS4000 system each antenna is connected to a low noise block downconverter BDC by a short cable or direct N Type connector The converters output a UHF signal through coaxial cable to UHF input ports at the rear of the receiver The receiver and downconverters may be separated by up to 600 feet 183 m depending on frequency and cable type Incoming signals and downconverter power travel on the same cable using Bias T interfaces in both the converter and the DRS4000 Rec
10. allow up to four ASI inputs from different receive sites effectively acting as a diversity switch They can also be used as an ASI multiplexer The maximum bit rate is adjustable up to 40 Mbps ASI OUT These connectors are 75 ohm female BNC conn ectors that provide a diversity ASI output or a multiplexed ASI output according to the mode set for the packet SDI OUT This connector is a 75 ohm female BNC connector that outputs a digital video stream 3 3 3 SCM Connectors The following connectors comprise a future option They will provide inputs and outputs for the Single Carrier Modem SCM subsystem ASI OUT 1 to ASI OUT 3 These connectors are 75 ohm female BNC connectors that provide ASI outputs 70 MHz IN This connector is a 75 ohm female BNC connector that accepts input from a local receiver IP This Ethernet connector outputs simplex Ethernet data from the transmitter 3 3 4 Other Connectors RS 232 CRNTL This connector is an RS 232 a DB 9 female connector that can be used to remotely control the DRS4000 Receiver via a slave controller Power connector This connector accepts a standard 3 prong cable for AC power An auto sense circuit accepts either 110 to 130 VAC or 205 to 260 VAC 2 amps The 3 prong male end must be modified for non U S applications DRS4000 Receiver User and Technical Manual Routine Operation 3 4 3 4 Powering the Receiver The following subsections explain procedures for powering
11. four analog audio channels e SD SDI output e AES EBU Digital Audio e Wayside Data Channel DVB ASI Output 2 8 COFDM Demodulation The DRS4000 Receiver incorporates a COFDM demodulator that offers the following features DVB T Compliant e LMS T support 6 7 8 10 and 20 MHz selectable pedestal bandwidth e QPSK 16QAM or 64QAM modulation e Bandwidth of 6 MHz 7 MHz 8 MHz or Auto 2 9 Applications The DRS4000 Receiver has several applications Electronic News Gathering ENG Central receive sites Outside Broadcasting OB e Portable Broadcasting 2 10 Compatibility The DRS4000 Receiver is compatible with the following transmitters e MRC STRATA Portable Transmitter e PTX PRO Transmitter e MTX5000 Transmitter LINK XP LINK XP HD future 2 11 Options You can customize the DRS4000 Receiver by choosing any of the following options 2 11 1 Block Downconverter Options The following block downconverters are available as options Link Models The following LNBs and filters are supported e L3070 LNB base unit L3030 Input filter for L3070 1 95 to 2 7 GHz 3033 input filter for L3070 2 2 to 2 3 GHz e 3034 input filter for L3070 2 3 to 2 4 GHz L3037 input filter for L3070 2 5 to 2 7 GHz DRS4000 Receiver User and Technical Manual Product Description 2 5 L3060 input filter for L3070 3 4 to 3 6 GHz e L3080 input filter for L3070 6 425 to 7 125 GHz MRC Models The following LNBs are sup
12. the DCE device is usually a modem ERRS Errors Duplex A channel capable of transmitting information ESD Electrostatic Discharge simultaneously in both directions ET Eastern Time US DVB Digital Video Broadcasting ETSI European Telecommunications Standards Institute DVB ASI Digital Video Broadcasting Asynchronous Serial EVM Error Vector Magnitude Interface FCC Federal Communications Commission A widely used MPEG 2 digital transport interface The United States communications regulatory Physically the connection is made either with optical agency fiber or 75 ohm coax with a BNC connector Interface FDM F Division Multiplexi can support data rates up to 270 Mb sec requency Division iplexing DVB C Digital Video Broadcasting Cable FEC dui ld DVB S Digital Video Broadcasting Satellite PET PASE OUTO AOSAN DVB T Digital Video Broadcasting Terrestrial FIFO abu In First Out buffer E1 2 048 Mbps data rate FIR EIS Impulse Response E3 34 368 Mbps data rate FMT dii Video Modulator or FM Transmitter EIA Electronic Industries Association FPGA Field Programmable Gate Array FSK Frequency Shift Keying An industry association that establishes various FTP File Transfer Protocol standards T FW Firmware EBU European Broadcasting Union P GHz Gigahertz 109 Hz In addition to other activities EBU produces technical GI Guard Interval statements and recommendations for PAL television GND Ground systems QuikVue HS Receiver User and Technica
13. 3418 250 3431 250 MHz MHz MHz 2 3443 250 3455 250 3467 250 1 6881 250 6887 500 6893 750 3 3480 250 3492 250 3504 250 2 6906 250 6912 500 6918 750 4 3506 250 3518 750 3531 250 3 6931 250 6937 500 6943 750 5 3543 750 3556 250 3568 750 4 6956 250 6962 500 6968 750 6 3581 250 3593 750 3606 250 5 6981 250 6987 500 6993 750 7 3610 000 3620 000 3630 000 6 7006 250 7012 500 7018 750 8 3640 000 3650 000 3660 000 7 7031 250 7037 500 7043 750 9 3670 000 3680 000 3690 000 8 7056 250 7062 500 7068 750 10 3700 000 3710 000 3720 000 9 7081 250 7087 500 7093 750 11 3730 000 3740 000 3750 000 10 7106 750 7112 500 7118 750 12 3760 000 3770 000 3780 000 11 6431 250 6437 500 6443 750 13 3790 000 3800 000 3800 000 12 6456 250 6462 500 6468 750 14 3800 000 3800 000 3800 000 13 6481 250 6487 500 6493 750 14 6506 250 6512 500 6518 750 DRS4000 Receiver User and Technical Manual Channels and Frequencies A 3 A 3 US 2 GHz Relocation Project The FCC has mandated that users who operate within the 1990 to 2110 MHz spectrum band pre BAS channels 1 7 shown in Table A 1 on page A 2 must upgrade their equipment to operate in the narrower 2025 to 2110 MHz range BAS channels 1 7 only The frequencies for the BAS 2 GHz channel plan are shown in Table A 5 on page A 4 As you upgrade your equipment to the new BAS 2 GHz channel plan you can easily reprogram your receiver using the DRS4000 Receiver Configuration Utility software Note This relocation affects channels 1 7
14. Channel link opens a page for changing the channel offset and spacing Refer to Using the Control Screen on page 3 8 for instructions on modifying these settings The Presets page shown in Figure 3 39 provides the same features as found on the control panel s Preset menu Refer to Using the Preset Menu on page 3 29 for instructions on using presets Figure 3 39 DRS4000 Web Interface Presets Page DRS 4000 COMMUNICATIONS MICROWAVE RADIO NA Setup Presets Load Preset Save Preset View Preset Delete Preset The Setup page shown partially in Figure 3 40 on page 3 34 provides the same features as found on the control panel s Setup menu Refer to Using the Setup Menu on page 3 11 for instructions on modifying these settings DRS4000 Receiver User and Technical Manual Routine Operation 3 33 Figure 3 40 DRS4000 Web Interface Setup Page R N DRS 4000 MICROWAVE RADIO Y COMMUNICATIONS View Hardware Configuration Audio Video Configuration Use SI Service Information View PIDs Set Frame Sync Set Video Output Set RS 232 Data Output Enter Service Name Video Fail Mode Adjust SD Video Output Level Adjust Audio Output Level Demodulator Switch DRS4000 Receiver User and Technical Manual Routine Operation 3 34 4 Troubleshooting 4 1 Chapter Overview This chapter provides troubleshooting procedures for technical problems that an operator may encounter The problems are o
15. From the control panel select SETUP and then select Hardware Configuration Press OK to display the next screen which lists all installed hardware and software components and revision levels 1 9 Supported Repairs The DRS4000 Receiver is designed to be compact rugged and reliable The DRS4000 Receiver requires specialized test equipment and software to calibrate amplitude and frequency characteristics after repair There are NO supported field repairs to the DRS4000 Receiver Return the entire unit for factory repair If you attempt field repair you risk damaging your equipment If your equipment is under warranty you may also affect your warranty coverage DRS4000 Receiver User and Technical Manual Introduction 1 3 1 10 Tell Us What You Think We d appreciate any comments or suggestions you have about this manual or the product Your feedback helps us provide you with better manuals If you re viewing this manual electronically it s easy just click on the link below to send us an e mail Feedback Or you can e mail our Technical Support team at support mrcbroadcast com Be sure to tell us what product you are writing about and the title of the manual DRS4000 Receiver User and Technical Manual Introduction 1 4 2 Product Description 2 4 Chapter Overview This chapter provides an overall description of the DRS4000 Receiver its components and its capabilities Here are the top
16. Na VE MES 2 1 Powering Down een Einen Pe ea eds Ex Ea E ri Eon Ed pe esed E Ven Eo cei ce 3 5 Chapter Overview ou icc EM RC DEM DRE 2 1 Learning the Regions of the Control Screen 3 5 DOSCIIDION 2 sabido spi spa grids 2 1 Help Text Region 3 6 REGUIeS See etree ee eee aa 2 2 RF Settings Region 3 6 Hardware Components 2 4 Preset Region 3 6 Receiver 2 4 DRS4000 Receiver User and Technical Manual Contents 1 Service Region 3 6 Cabling Practices 5 6 Data Status Region 3 6 Selecting Coaxial Cables 5 7 Signal Displays Region 3 6 Aligning Omnidirectional Antennas 5 7 Menu Buttons Region 3 7 Installing Downconverters and Antennas 5 8 Using the Keypad 3 7 Powering Up the First Time 5 9 Using the Video Monitor 3 8 Audio Connections 5 9 Using the Control Screen 3 8 Video Connections 5 10 Using the Menus 3 11 Monitor and Control Connectors 5 11 Using the Setup Menu 3 11 Data Connections 5 11 Configuring Packet Switching 3 22 Power
17. Offset Pre BAS Offset 0 Center Offset MHz MHz MHz Channel MHz MHz MHz 1 2300 000 2313 333 2326 666 1 1994 750 1999 000 2003 250 2 2339 999 2353 332 2366 665 2 2012 250 2016 500 2020 750 3 2379 998 2393 331 2406 664 3 2029 250 2033 500 2037 750 4 2419 997 2433 330 2446 663 4 2046 250 2050 500 2054 750 5 2459 996 2473 329 2486 662 5 2063 250 2067 500 2071 750 6 2499 995 2513 328 2526 661 6 2080 250 2084 500 2088 750 7 2539 994 2553 327 2566 660 7 2097 250 2101 500 2105 750 8 2579 993 2593 326 2606 659 8 2450 000 2458 500 2467 000 9 2619 992 2633 325 2646 658 9 2467 000 2475 250 2483 500 10 2659 991 2673 324 2686 657 10 2483 500 2491 750 2500 000 11 s For channels 1 to 7 offsets are 4 25 MHz For channels 8 to 14 Ai tii rad 10 offsets vary as shown 13 nis me ES 14 m me DRS4000 Receiver User and Technical Manual Channels and Frequencies A 2 A 2 3 3 GHz Channel Plan The 3 GHz channel plan covering 3 4 to 3 8 GHz shown in A 2 4 7 GHz Lower Channel Plan U S The 7 GHz channel plan covering 6 4 to 7 1 GHz is shown in Table A 3 Table A 4 Note that channels 11 to 14 provide the lower Table A 3 3 GHz Channel Plan Trequeneies iinis range cS Offset 0 Center Offset Table A 4 7 GHz Lower Channel Plan MHz MHz MHz Channel Offset 0 Center Offset 1 3406 250
18. S nde DU C9 v9 MENES ID GIU scan When broadcast at 60 frames per second 720p features the highest temporal motion resolution possible under the ATSC standard Progressive scanning reduces the need to prevent flicker by filtering out fine details so spatial sharpness resolution is much closer to 1080i than the number of scan lines would suggest QuikVue HS Receiver User and Technical Manual Glossary B 1 Table B 1 Useful Terms Continued Table B 1 Useful Terms Continued Baseband A composite signal in which video and audio signals are combined together with video occupying approximately 0 4 5 MHz and audio modulated onto subcarriers in the 5 6 MHz range BB Baseband BDC Block Downconverter BER Bit Error Ratio The Bit Error Rate is the percentage of bits that have errors relative to the total number of bits in the signal The rate is an indication of how often a packet or other data unit has to be retransmitted because of an error BiasT A type of interconnection between the IDU and the ODU In Bias T wiring IF and DC are combined and carried on the coax cable up the ODU blocking circuitry prevents the DC from entering the IDU BISS Basic Interoperable Scrambling System A means of encrypting and decrypting a digital signal to prevent unauthorized reception The encryption and decryption are controlled by a digital key wh
19. SD NTSC or HD mode if the HD option is installed The receiver then auto detects the video line standard PAL stands for Phase Alternation Line and NTSC stands for National Television System Committee 3 Press OK to save this setting Audio Follow these steps 1 Select Audio to open the Select Audio Output menu 2 Select either channel A or B and select either Analog or Digital audio mode The default values are channel A and Analog mode 3 Press OK to save this setting Bit Rt Bit rate is a read only display of the data rate for the incoming signal reported as Mbps megabits per second Polarity This read only setting displays the OFDM polarity either Normal or Inverted Preset Follow these steps 1 Select Preset to open the Load Preset screen which contains any presets you have created 2 Select a preset to use for the current incoming signal 3 Press OK to save this setting Service This read only setting displays the ID of the remote transmitter BER Bit Error Rate This read only setting displays the ratio of bits of data containing errors error bits divided by the total number of bits received in the signal reported in real time Ideally a rate of 0 00 x 10 indicates a signal without any error bits As the signal degrades the BER increases until the MPEG decoder can no longer compensate for the errors and the signal is lost If the BER exceeds 1 0 x 10 take action to improve signal quality
20. above and below the receiver for air flow Figure 5 2 Example of Rack Installation 5 9 1 To install cabling for optimum performance and ensure minimal maintenance MRC recommends the following general practices Mounting Screws typ DRS4000 gan Es al Space for air flow O Power e O B AS E To feed the incoming signal to the receiver you need to properly install the antennas downconverters and associated cabling Cabling Practices Secure the cabling at close intervals along its entire length Protect the cabling with added sheathing or padding if it passes through a hole or lays against an obstruction Provide flex relief at any location where the cable must change direction sharply to maintain a smooth bend and prevent kinking Provide strain relief at each connector to absorb any pulling forces on the cable and prevent damage to the connector CAUTION Do not run cables where they can be walked on Protect cables against pinching and chafing especially at locations where the cables enter or exit an enclosure or make a sharp bend DRS4000 Receiver User and Technical Manual Installation 5 6 5 9 2 Selecting Coaxial Cables For applications where you must connect the downconverters via coaxial cables use high quality UHF cable and use the shortest lengths possible to prevent UHF signal loss If long lengths of cable are required a UHF amplifier or gain block m
21. are spaced far enough apart that the received signals at each antenna are experiencing independent fading characteristics to help the MaxRC diversity technique achieve optimal performance A MaxRC Diversity block diagram is shown in Figure D 1 on page D 2 The concept of correlation is easier to comprehend by looking at the two figures below Figure D 2 on page D 3 shows two signals with low correlation and Figure D 3 on page D 4 shows two signals with high correlation Each figure has two channels plotted after a fading channel When the two received channels have a low correlation factor this equates to the signals received experiencing dissimilar fading characteristics that ultimately provide the best performance for a diversity system This is what you should be aiming to achieve during the installation of the receive antennas D 3 MaxRC Diversity Technique Any receiver utilizing the MaxRC diversity technique will have a dedicated tuner on the input from each antenna which then gets fed into individual demodulators designed to support MaxRC diversity Each individual demodulator performs both the FFT and the channel estimation process on the incoming signals Then by using the pilot carriers embedded within the COFDM signal along with other information each demodulator is able to assess each of the individual 2k carriers within the received signal and assign a mathematical value associated with the level of confidence relating to
22. can enter a description of this preset For each space the available characters are A to Z a to z O to 9 and punctuation in that order Press and hold the up down arrow key to rapidly scroll through the characters Press the right arrow key to move to the next character For example if you frequently set the receiver to channel 10 at 7 GHz the preset name might be CH10 7GHZ Press OK to save the preset A confirmation screen reports the preset name and number DRS4000 Receiver User and Technical Manual Routine Operation 3 29 6 Press OK to confirm or press Back to cancel Note that the current preset is still in effect T At the control screen adjust the receiver settings for the next preset 8 Repeat steps 2 to 6 to create another preset When you get to the Save Preset screen the previously saved preset name displays Loading a Preset To quickly change receiver settings to match the incoming video signal you can load a preset that you previously saved instead of manually changing each setting After loading a preset the new settings will display on the control screen To load a preset follow these steps Ye Select the Preset button from the control screen to open the Preset Menu as shown in Figure 3 35 on page 3 29 2 Select Load Preset to open the menu similar to the one shown in Figure 3 36 Figure 3 36 Load Preset Menu Load Preset 1 CH1_2GHZ 2 CH5_7GHZ 3 CITY_HALL 4 AIRPORT
23. live view of the incoming video signal With the spectrum viewer option the monitor overlays the video picture with an RF spectrum of the signal The video monitor is typically blank when there is no incoming video signal If for any reason the receiver should lose the incoming signal the monitor will display either a freeze frame or a blue screen This setting is controlled by the Video Fail Mode menu under the Setup menu 3 8 Using the Control Screen For day to day operations the control screen offers convenient access to the most frequently used settings Prior to acquiring an incoming video signal you can quickly set any or all of the following settings to match the settings of the remote transmitter Note Starting with Diversity Receiver board V3 5 the receiver can autodetect transmitter bandwidth guard interval and polarity Channel Chan Follow these steps 1 To select a channel in the current RF band select Chan This opens the menu as shown in Figure 3 5 2 Press the left right arrows to select a channel number 3 Press the down arrow to move to the Offset setting Select an offset of 0 zero plus or minus 4 Move to the Spacing setting If you are in the 1 9 to 2 5 GHz band select a spacing bandwidth of 12 MHz BAS or 17 MHz pre BAS The Frequency changes as you adjust any of these settings Figure 3 5 Change Channel Menu Change Channel Channel 1 Offset 0 Spacing 1
24. not run cords where they can be stepped on Protect cables against pinching and chafing Pay special attention to locations where the cables enter or exit an enclosure or make a sharp bend CAUTION Ensure that the electrical supply is protected by overcurrent protection devices as required by the applicable electrical codes Grounding For safe operation all equipment must be properly grounded e Connect all equipment on a rack to a common ground e Connect the common ground to a site ground The ground wire should be as short as possible and follow the straightest path possible CAUTION Be sure the equipment grounding follows applicable electrical codes CAUTION Never modify a grounded power plug to connect to an ungrounded receptacle 5 7 Testing the Antennas All antennas for your configuration are tested at the factory to ensure proper operation Before installing them on a tower mast or building at the receive site you should test them on the ground to ensure that they are still operating properly CAUTION Test each antenna on the ground before mounting it on a tower or building CAUTION _ Verify that all packing material has been removed from the antenna To test one or more antennas on the ground follow these steps 1 Set each antenna the block downconverters BCDs and the DRS4000 Receiver on a worktable 2 Connect a spare RF cable between an antenna and a BCD Repeat this until all antennas a
25. only channels 8 9 and 10 remain the same For more information see the FCC Web site document FCC 03 280 http hraunfoss fcc gov edocs public attachmatch FCC 03 280A1 pdf Table A 5 2 GHz BAS Channel Plan BAS Offset 0 Offset Offset Channel MHz MHz MHz 1 2028 500 2031 500 2034 500 2 2040 500 2043 500 2046 500 3 2052 500 2055 500 2058 500 4 2064 500 2067 500 2070 500 5 2076 500 2079 500 2082 500 6 2088 500 2091 500 2094 500 7 2100 500 2103 500 2106 500 8 2450 000 2458 500 2467 000 9 2467 000 2475 250 2483 500 10 2483 500 2491 750 2500 000 For channels 1 to 7 offsets are 3 0 MHz For channels 8 to 10 offsets vary as shown When using channels 1 to 7 the pedestal width cannot be more than 6 MHz DRS4000 Receiver User and Technical Manual Channels and Frequencies A 4 B Glossary Table B 1 Useful Terms Continued 32QAM 32 state Quadrature Amplitude Modulation This section describes acronyms and abbreviations used in The signal video audio is imposed onto the 70 communications broadcasting and in our products and MHz carrier by varying both the phase and the documentation amplitude of the signal while keeping the frequency constant There are 32 possible combinations of Table B 1 Useful Terms phase and amplitude that can be used to carry 1RU 1 Rack Unit 1 75 inches in height information E
26. or right arrows to move across the screen and press the up or down arrows to move up or down the screen For example press the down arrow and Chan becomes highlighted selected On a settings screen use the up or down arrow to move to another setting and use the left or right arrows to change a value for a setting On a menu use the up or down arrow to move to another menu option Figure 3 4 Control Screen and Keypad DR54000 Chan 2 0 17MHz Mod QPSK Video SD F Audi Analog RFBand 2GHz FEC 2 3 BitRt 15 612Mbps Mode DVB T G 1 1 8 Polarity Norm Preset 1 First Att Service Service Ex ER 246x105 COFDM Lock Vid Lock Back From a menu the Back button displays the previous menu From a settings screen Back cancels any changes you just made and displays the starting control screen or previous menu Back has no function at the starting control screen OK From the control screen OK displays a settings screen for the highlighted parameter or opens a submenu if a menu button Presets Setup Options or Monitor is highlighted From a settings screen OK saves the current values Note When you see the instruction Select function it means you should use the arrow keys to move the cursor to the desired function and then press OK DRS4000 Receiver User and Technical Manual Routine Operation 3 7 3 Using the Video Monitor The video monitor is a 3 5 inch diagonal LCD color monitor that provides a
27. rack Do not overload the rack or load it unevenly Secure the rack to a solid surface CAUTION Make certain that the rack and mounting rails are strong DRS4000 Receiver User and Technical Manual Installation 5 2 and rigid enough to support all the equipment in the rack The rack should be securely attached to a solid surface such as a floor or wall to prevent movement or tipping Over Position the rack to allow easy access to the front and rear of the equipment MRC recommends at least 18 inches 45 7 cm clearance at the rear of the rack and at least 36 inches 91 4 cm clearance in front of the rack The cables at the rear of the rack should not be pressed against the rear of the equipment when closing doors This can stress the cables and may shorten their life Ventilation Heat generated from components in the rack needs to be ventilated Proper ventilation is important for preventing excessive hot spots from developing within the rack and adversely affecting the components CAUTION Temperatures inside a closed mounting area can be significantly higher than the ambient temperature Always allow adequate ventilation e If possible install components in a climate controlled area Installation should allow adequate airflow around the equipment Exhaust air from the rack should be circulated and mixed with room air not trapped in a closed space When mounting components in an enclosed rack i
28. receiver is installed so that it can be conveniently connected to your local area network then you do not need to be in front of the actual receiver to adjust its settings You can control and maintain it from any computer on the network via the built in DRS4000 web server The web server is designed to serve up web pages in a networked computer s web browser This web browser interface mimics the menus and screens you can access from the receiver s control panel Internet Explorer Firefox and Safari are web browsers that can be used to connect remotely to the receiver 3 10 1 Starting the Web Browser Interface To access the receiver from a networked computer follow these steps 1 Verify that the receiver is connected to the network There must be an Ethernet cable connected from the receiver s front panel to a nearby LAN connection 2 Obtain the IP address for the receiver This is important in configurations where more than one DRS4000 Receiver is connected to the network 3 At the networked computer open a web browser and enter the receiver s IP address into the browser s address field and press the Enter key This opens the DRS4000 web browser interface s Monitor page as shown in Figure 3 38 on page 3 33 DRS4000 Receiver User and Technical Manual Routine Operation 3 32 Figure 3 38 DRS4000 Web Interface Monitor Page DRS 4000 Mozilla Firefox zinixi File Edit view History Bookmarks Tools Help
29. responsibility to return at its expense the allegedly defective product to MRC Buyer must obtain a Return Material Authorization RMA number and shipping instructions from MRC prior to returning any product under warranty Transportation charges for the return of the product to Buyer will be paid by MRC within the United States For all other locations the warranty excludes all costs of shipping customs clearance and other related charges If MRC determines that the product is not defective within the terms of this warranty Buyer will pay MRC all costs of handling transportation and repairs at the then prevailing repair rates d All the above warranties are contingent upon proper use of the product These warranties will not apply 1 if adjustment repair or product or parts replacement is required because of accident unusual physical electrical or electromagnetic stress neglect misuse failure of electric power environmental controls transportation failure to maintain properly or otherwise in accordance with MRC specifications or abuses other than ordinary use 2 if the product has been modified by Buyer or has been repaired or altered outside MRC s repair facility unless MRC specifically authorizes such repairs or alterations in each instance or 3 where MRC serial numbers warranty data or quality assurance decals have been removed or altered e Equipment shipped FOB from Microwave Radio Communications shall become t
30. screen similar to Figure 3 33 Figure 3 33 Edit Custom Frequency Screen Edit Custom Frequency Frequency 1710 00 MHz Band 1 7 1 9 GHz Channel 1 Offset Use the up down arrows to change each digit and use the left right arrows to select another digit re 8 9 10 Press OK to save the new frequency Repeat steps 4 to 7 until you have customized all frequencies that you need Press Back several times until the Control Screen displays Select Chan to open the menu shown in Figure 3 34 Figure 3 34 Change Channel Menu Change Channel Channel 1 Offset 0 Spacing 12 MHz Frequency 1705 000 MHz Select Spacing and use the right arrow to select a value of Cust At the Password screen enter 0000 the initial password At the Change Channel screen the customized frequency for the current channel and offset will appear on the screen Select Channel and use the right arrow to scroll through the channels Your custom frequencies will display as you scroll through the list Select the channel you need to monitor and press OK DRS4000 Receiver User and Technical Manual Routine Operation 3 28 Upgrading the Tuner Creating and Saving a Preset Some DRS4000 systems may have tuner boards older than To create a preset follow these steps version 5 Use the Hardware Configuration options on the Setup 4 menu to check your tuner version If it is earlier than version 5 use the Up
31. shown in Figure 3 15 DRS4000 Receiver User and Technical Manual Routine Operation 3 16 Figure 3 15 Configure Audio Video Menu 1 Note Configure Audio Video 1 Use SI Service Information View PIDs Set Frame Sync Set Frame Sync Offset If Use SI Service Information is turned on then the Manual PID Selection Menu is read only To modify a PID first go to the Use Service Information menu and set it to Off Figure 3 16 View PIDs Screen Set Video Output View PIDs Read Only Adjust SD Video Output Level PCR PID 0000 Adjust Audio Output Level Video PID 0000 More See Figure 3 17 on page 3 18 Audio A PID 0000 Audio B PID 0000 Use SI Service Information DATA PID 0000 These values are read only 1 Select this option to open the Use SI Service Done To modify disable Use SI Service Information screen 2 Select On or Off where On enables the setting of the gt service that the receiver will automatically lock onto View PIDs 1 Select this option to open the screen shown in Figure 3 16 on page 3 17 This screen enables the 3 viewing of the video audio program identification PID 4 that the receiver is locked onto Select an entry and then use the left right arrows to move from one digit to another and use the up down arrows to change the value of a digit Valid PIDs can range from 0000 to 9999 Press OK to stop modifying a value Press OK again to save your new settings or Bac
32. the degradation of that carrier and how erroneous the data within is perceived to be Then by using a diversity bus between each of the demodulators a diversity algorithm looks at each carriers confidence value and decides the ratio of which each input is combined on a per carrier basis This makes it possible to physically re construct each of the individual carriers enabling the receiver to provide the best possible signal before applying the error correction The benefits of using the MaxRC diversity technique is its ability to make use of the signal being received by any antenna in part or full combination to reconstruct a damaged signal DRS4000 Receiver User and Technical Manual Maximal Ratio Combining D 1 Figure D 1 MaxRC Diversity Block Diagram SW N Demodulator Carrier summation Viterbi RS MPEG im according to error descdih individual correction g Demodulator weighting factors Block Downconverter Diversity Receiver Block Downconverter DRS4000 Receiver User and Technical Manual Maximal Ratio Combining D 2 Figure D 2 Two Signals with Low Correlation Low correlation 0 03 1000 1200 1400 CIR 1600 1800 DRS4000 Receiver User and Technical Manual Maximal Ratio Combining D 3 Figure D 3 Two Signals with High Correlation 1600 1800 2000 DRS4000 Receiver User and Technical Manual Maximal Ratio Combining D 4 Index
33. voltage to the block downconverters is carried on the outer ring as shown in Figure 5 7 Figure 5 7 Typical TNC Connector Signal Ground BDC 1 to BDC 6 The Block Downconverter BDC connectors are 50 ohm TNC connectors that accept the UHF signals from the downconverters and their corresponding antennas For all BNC video connectors the signal is carried on the center pin as shown in Figure 5 8 Figure 5 8 Typical BNC Connector Signal 4 p X e A eS N ALA II CV 1 CV 2 The Composite Video CV connectors are 75 ohm female BNC connectors that output an analog video signal SD SDI HD SDI The Standard Definition SD Serial Digital Interface SDI connector is a 75 ohm female BNC connector that outputs a video data stream from the MPEG module that is compliant with SMPTE 259M The High Definition HD SDI connector is a 75 ohm female BNC connector that outputs a video data stream from the MPEG module that is compliant with SMPTE 292M and SMPTE 299M ASI OUT The two Asynchronous Serial Interface ASI connectors are 75 ohm female BNC connectors that provide ASI outputs for digital video and audio distribution ASI IN This 75 ohm female BNC connector accepts an ASI signal input from another component It is used for local decoding of a SD HD ASI stream when the receiver is placed in external ASI mode The outputs are on the HD SDI and HD MON connectors only Ground DRS4000 Receiver User and Tec
34. 1080i 1080i is a standard HDTV video mode SES Sl Frequency enis Seypng 8 PSK 8 Phase Shift Keying 1080 represents 1080 lines of vertical resolution and 8QAM 8 state Quadrature Amplitude Modulation the letter represents interlaced or non progressive scan 1080i usually assumes a wide screen aspect The signal video audio is imposed onto the 70 ratio of 16 9 implying a horizontal resolution of 1920 MHz carrier by varying both the phase and the pixels and a frame resolution of 1920 x 1080 or 2 07 amplitude of the signal while keeping the frequency million pixels constant There are 8 possible combinations of 16QAM 16 state Quadrature Amplitude Modulation phase and amplitude that can be used to carry information The signal video audio is imposed onto the 70 64QAM 64 state Quadrature Amplitude Modulation MHz carrier by varying both the phase and the amplitude of the signal while keeping the frequency The signal video audio is imposed onto the 70 MHz constant There are 16 possible combinations of carrier by varying both the phase and the amplitude phase and amplitude that can be used to carry of the signal while keeping the frequency constant information There are 64 possible combinations of phase and 2 FSK 2 state Frequency Shift Keying amplitude that can be used to carry information 2RU 2 Rack Unit 3 5 inches in height 720p 720 represents 720 lines of vertical resolution and the letter p represents non interlaced or progressive SRU
35. 2 MHz Frequency 2031 500 MHz If you have set up a custom channel plan via the Factory Setup Menu select a Spacing of Cust This displays a password screen to prevent unauthorized changes to the signal bandwidth 5 Enter the password default is 0000 and press OK to save these settings This takes you to the control panel Note To prevent unauthorized access change this password by going to the Factory Test screen via the Factory Setup Menu The Factory Test screen is also password protected The default password is DRS4K Change this password also DRS4000 Receiver User and Technical Manual Routine Operation 3 8 Frequency Freq Follow these steps 1 To select a frequency that is not in a standard band plan select Freq to open the Change Frequency screen as shown in Figure 3 6 Figure 3 6 Change Frequency Change Frequency Frequency 2031 50 MHz Channel 1 Offset 0 12 MHz Spacing 2 Press the up down arrows to change the value of each digit and press the right left arrows to select another different digit The right hand digit can contain O or 5 only The frequency is always reported in MHz The lower half of the screen reports the channel offset and spacing only if you select a frequency for an assigned channel This is an alternative method for selecting a frequency 3 Press OK to save this frequency RF Band Follow these steps 1 Select RF Band to open the Change RF Ba
36. 4 Service Region This read only setting displays the ID of the transmitter 3 5 5 Data Status Region This region displays the following information BER Bit Error Rate e COFDM Lock Vid Lock video lock 3 5 6 Signal Displays Region This region displays real time readings for all antenna inputs as a set of animated vertical bars The RCL group of readings displays receive carrier levels RCL in dBm units The SNR group displays signal to noise ratios SNR in dB units DRS4000 Receiver User and Technical Manual Routine Operation 3 6 The Link Qual group displays link quality as a derived number 0 to 9 3 5 7 Menu Buttons Region This region contains the buttons that lead to extensive menus and settings screens by which you can adjust the way the receiver operates Menus An overlay screen containing collections of similar options that allow you to fine tune the operation of the receiver Settings Screens An overlay screen containing a title and one or more settings that you can modify 3 6 Using the Keypad The control screen and keypad are shown in Figure 3 4 The keypad consists of membrane type switches that provide momentary contact closure when pressed The layout and function result in an intuitive easy to use operation of the control screen The keypad keys have the following functions Arrow Keys On the control screen the arrow keys move the highlighting cursor around the screen Press the left
37. 5 TRAIN_STA 3 Select the desired preset and press OK This activates all the settings stored in the preset and returns you to the control screen Deleting a Preset If you decide that you no longer need a preset you can delete it using the following steps 1 Select the Presets button fro the control screen to display the Preset Menu as show in Figure 3 35 on page 3 29 2 Select Delete Preset to open the Delete Preset menu which looks very similar to the Load Preset menu in Figure 3 36 3 Select a preset and press OK to delete it 4 At the confirmation screen press OK to confirm or press Back to cancel Note After you delete a preset the remaining presets will be renumbered with new sequence numbers DRS4000 Receiver User and Technical Manual Routine Operation 3 30 3 9 5 Using the Options Menu The Options Menu provides additional features Entering a License Code After operating the receiver for a length of time you may decide to upgrade some of the features MRC will supply a new license code which will activate the new features To enter a license code follow these steps 1 Select the Options button from the control screen This opens the Options Menu 2 Select the Enter License Code option This opens a screen consisting of one line of spaces for the code CAUTION Ifthe license code is entered incorrectly various features could become deactivated 3 Follow the on screen instruction
38. CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE MRC WILL HAVE NO RESPONSIBILITY FOR ANY PARTICULAR APPLICATION MADE OF ANY EQUIPMENT Any description of equipment whether in writing or made orally by MRC or its agents specification sheets models bulletins drawings or similar materials used in connection with Buyer s order are for the sole purpose of identifying the equipment and will not be construed as an express warranty Any suggestions by MRC or its agents regarding use application or suitability of the equipment will not be construed as an express warranty No warranties may be implied from any course of dealing or usage of trade Buyer agrees that the exclusion of all warranties other than those expressly provided herein is reasonable DRS4000 Receiver User and Technical Manual Notices iv Antennas 2 4 Con ten ts Low Noise Block Downconverters 2 4 Firmware Components 2 4 TCR Frequency Bands 2 4 idees eure Cn l Standard High Definition MPEG Decoding 2 5 E pu Td oc REMO p Ou Me E COFDM Demodulation 2 5 Opyrig eer LEE Applications 2 5 Proprietary Material Compatibility ados ue ee ess sd dol 2 5 Quality Certification i Obli ns esos sales cute c p cete dee 2 5 CONVONIONS aa E gn So eee hs Block D
39. COPIE xs a Ron Variable GOP support Horizontal resolution SD Autodetect 720 704 544 DRS4000 Receiver User and Technical Manual Specifications C 1 Horizontal resolution HD 1280x720p 50 59 94 60 Hz 1920x1080i 25 29 97 30 Hz 1920x1080p 24 25 30 23 976 29 97 Hz 1920x1080pSf 24 25 30 23 976 29 97 Hz Vertical Resolution SD 576 625 lines 480 525 lines Bitrate support SD o ooo cos Same as DVB T table 4 2 0 3 to 15 Mbits 4 2 2 3 to 31 Mbits Bit Rate Support HD MPEG 2 4 2 OMP HL 8 to 80 Mbits MPEG 2 4 2 2MP HL 8 to 80 Mbits INSPEC allo 0 25 e a p CR Re 2 a 4 3 16 9 Composite Video Output NTSC w wo pedestal PAL Video Specification Rec ITU R BT 470 4 WAYSIDE CHANNEL Embedded Data Channel on MPEG Module Using connectors on the RS 232 Port for DCE Path Data Rate 1200 2400 4800 9600 19200 38400 autodetect SDI OUTPUT Serial Digital Output SDI ANSI SMPTE 259M Level C 270 Mb s 525 625 Component 2 Stereo Audio embedded output SDI Output EID Ls tte ts ul SMPTE292M Audio Output Analog amp digital AES EBU support Audio Mode Support Dual mono 4 2 stereo pairs Audio Output Impedance 600 ohms balanced Audio Clip Level quss arb eter ra E RS ER Ed EEG 17 dbm BISS Basic Interoperable Scrambling System BISS 1 BISS E AES 128 Bit Latency Ultra Low Delay Software L
40. Connections 5 14 Using the Factory Setup Menu 3 24 Optional Packet Connectors 5 14 Using the Preset Menu 3 29 Replacement Parts 6 1 Using the Options Menu 3 31 Chapter Overview 6 1 Using the Camera Menu 3 31 Replacements 6 1 Operating the Receiver Remotely 3 32 Theory of Operation 7 1 Starting the Web Browser Interface 3 32 System Architecture 7 4 COMMON Galles an Ena se eure ie g 3 33 Block Downconverters 7 1 Using the Web Browser Interface 3 33 RF Switching Module 7 3 Troubleshooting 4 1 Four Channel Input Tuner Module 7 3 Chapter Overview 4 1 COFDM DiversityModule 7 4 Videg PFODIBIIS eder uS E i a ittis 4 2 MPEG Decoder Module 7 4 Audio Problems 4 5 Processor Module 7 4 General System Problems 4 6 Interface Module 7 5 Installation 5 1 Power Supply 7 5 Chapter Overview 5 1 Packet Based Switch Module 1 5 Reviewing Customer Specifications
41. DRS4000 Receiver RF amp Low Latency HD Diversity Receiver MRC User and Technical Manual n t Manual Part No 400545 1 Rev A November 2008 This page intentionally left blank Notices About This Manual Part number 400555 1 Revision A November 2008 The information in this manual applies to the Microwave Radio Communications MRC DRS4000 Receiver Copyright The information in this manual may only be reproduced by the purchaser strictly for its own internal use to the extent required for its use of the product and shall only be made available to purchaser s employees who need access to this material No part of this material nor any copies hereof shall in any manner be disclosed disseminated or made available by purchaser or its employees to any other person firm or entity without the express prior written consent of Microwave Radio Communications nor shall the same in any manner be modified or published for resale without the express prior written authorization of Microwave Radio Communications 2008 Microwave Radio Communications Microwave Radio Communications 101 Billerica Avenue Bldg 6 North Billerica MA 01862 1256 USA TEL 800 490 5700 1 978 671 5700 FAX 1 978 671 5800 Printed in U S A Adobe the Adobe logo Acrobat and Reader are registered trademarks of Adobe Systems Inc in the United States and or other countries Microsoft Windows and Internet Ex
42. F signal and producing a UHF output signal in the range of 110 to 860 MHz The incoming signal is filtered and then amplified by a Low Noise Amplifier LNA and is sent along to the mixer See Figure 7 2 for a functional block diagram of the block downconverter circuitry The LO generates either a lower or a higher frequency depend ing upon the BDC s operating band using a Phase Lock Loop PLL synthesizer The 2 GHz BDCs use a low side local oscillator its frequency is on the low side of the RF band while the 7 GHz BDCs use a high side local oscillator The synthesizer s frequency is fixed and programmed via the on board micro controller This LO frequency is then amplified and filtered to reduce spurious signals before being applied to the mixer In the mixer the incoming RF signal is mixed with the LO signal resulting in a signal equal to the difference between the two signals This signal is then amplified and low pass filtered to remove the signal representing the sum of the two signals Regulated DC power 18 5 VDC for the BDCs is supplied via the BDC connectors on the same UHF cable that carries output from the BDCs 7 1 2 RF Switching Module The RF switching module which is controlled by the processor module provides a 4x4 switching matrix and allows selective switching of antenna input ports to the four channel input tuner module This allows users to customize their antenna input selections The 4x4 RF switching modu
43. IF mode and only Input A tuner A is functional 4 Select each BDC number and press the left right arrows to change the input letter Note Be sure to use each input letter only once An error box displays if you try to use the same letter more than once 5 Press OK to save the changes Configuring TCPIIP Properties If the receiver is connected to your local area network you need to configure it with an IP address default gateway and netmask Obtain this information from your IT staff and then use the instructions on the following pages Configuring an IP Address To configure the receiver s IP address follow these steps 1 From the Setup Menu select the IP and MAC Address Configuration option to open the IP Stack Config menu as shown in Figure 3 10 Figure 3 10 IP Stack Config Menu IP Stack Config Change IP Address Change Default Gateway Change Netmask Display IP Settings 2 Select Change IP Address to open the screen shown in Figure 3 11 DRS4000 Receiver User and Technical Manual Routine Operation 3 13 Figure 3 11 IP Address Config Screen Configuring a Default Gateway To configure the receiver s default gateway follow these steps IP Address Config 1 From the Setup Menu select the IP and MAC Modify IP Address Address Configuration option to open the IP Stack 192 168 1 123 Config menu as shown in Figure 3 10 on page 3 13 2 Select Change Default Gateway to open the scre
44. Identifies any terminal which is intended for connection to an external conductor for protection against electric shock in case of a fault or the terminal on a protective earth eer SP Pb electrode DRS4000 Receiver User and Technical Manual Notices ii On line Viewing Viewing of this manual on line requires Adobe Acrobat software or Adobe Reader software Version 5 0 and later Click on the following icon to download your FREE copy of the latest Adobe Reader software u ADOS READER When viewing this manual on line text displayed as blue contains a hypertext link Click on the blue hypertext link to jump to that destination If the destination link is also blue click on the blue destination link to return Warranty Information Product Manufactured by MRC a Products manufactured by MRC are warranted against defects in material and workmanship for a period of two 2 years from date of delivery as evidenced by MRC s packing slip or other transportation receipt unless otherwise noted b MRC s sole responsibility under this warranty will be to either repair or replace at its option any component which fails during the applicable warranty period because of a defect in material or workmanship provided Buyer has promptly reported same to MRC in writing All replaced products and parts will become property of MRC c MRC will honor the warranty at the repair facility designated by MRC It is Buyer s
45. MNR NO 11 ALM MJR COM 12 ALM MJR NO 13 not used 14 not used 15 not used WAYSIDE DATA This RS 232 9 pin female connector is the wayside channel used for transfer of data such as global positioning satellite GPS data or meta data from the MPEG decoder Pinout information for this connector is shown in Figure 5 13 and Table 5 7 Figure 5 13 WAYSIDE DATA Connector oles Table 5 7 Pinouts for WAYSIDE DATA Connector Pinout Signal Description not used TX OUT RX IN not used GND not used not used not used OO CO N OH BI WwW N gt not used RS 232 CRNTL This connector is an RS 232 a DB 9 female connector that can be used to remotely control the DRS4000 Receiver via a slave controller Pinout information for this connector is shown in Figure 5 14 on page 5 14 and Table 5 8 on page 5 14 DRS4000 Receiver User and Technical Manual Installation 5 13 Figure 5 14 RS 232 CRNTL Connector oles Table 5 8 Pinouts for RS 232 Connector Pinout Signal Description not used RX CNTRL TX CNTRL not used GND not used TX Data RX Data not used OO CO J O Oo BR WwW N gt 5 15 Power Connections The POWER connector accepts a standard 3 prong cable for AC power An auto sense circuit accepts either 110 to 130 VAC or 205 to 260 VAC 2 amps The 3 prong male end must be modified
46. Mode Diversity Remux 2 Select Diversity to operate as a four channel diversity decoder Select Remux to operate as a remux system 3 Press OK to save the setting DRS4000 Receiver User and Technical Manual Routine Operation 3 22 ASI Mode 1 From the Packet Switch Config menu select ASI Mode to display the menu shown in Figure 3 24 Figure 3 24 ASI Mode Menu ASI Mode 188 Byte 204 Byte 3 Select 188 Byte or 204 Byte to specify the packet length of the ASI stream This value is determined by the transmitter Press OK to save the setting Default Service Name 1 From the Packet Switch Config menu select Default Service Name to display a screen with a single line of spaces Enter a service name using the up down arrow keys to change the value of each character and the left right arrow keys to move from character to character Press OK to save the setting ASI Bit Rate 1 From the Packet Switch Config menu select ASI Bit Rate to display the menu shown in Figure 3 25 Figure 3 25 Update ASI Bit Rate Update ASI Bitrate 10 0000 Mbps 2 Enter the overall bit rate for the receiver default value is 10 Mbps and maximum bit rate is 40 Mbps This number must be set to accommodate the data stream passing through It does not matter if the bit rate is set too high Use this setting to limit the ASI output bit rate where the output signal is being fed to a downstream
47. Numerics 4x4 switching module eee ee eee 7 3 A About This Manual lcs Ren Notices i Achitecture SVSIGITI sank cx d dad E Gee dde EX od dus 7 1 Antenna options udo acia cde de RR P Reels Maen 2 4 Applications 2i uad arr hae E Cep Aas ox oes 2 5 ATOW KEYS ceco socamu et dee ER Rd db 3 7 Audience Intended o ooooooo 1 2 AU QUID aran iae e on CK SR ER die ar 3 19 Audio Output Level 22d s ran 3 18 Audio settings sisss sere RR RR mn 3 16 B Band plan CUSIOMIZING PPM Ree 3 27 BDC band control nai o Aas trae ac dhe Sb ER dit 3 24 BDC DOWBI error vaa OS eed KR 3 25 BDC WG drsi meari id REP S ORE ERR S 3 24 Bit efror Fale 2 sxe 6 os ses das ede ek ea EE 3 10 Block downconverters 7 1 7 3 C Calibrating ROL s Leia Erb ae 3 25 Camera Control menu 22202005 3 31 CAUTIONS iss stud Susa e epe ere Ge o s i Notices ii Channels and frequencies 2 GHz Relocation Project A 1 2 GHz upper channel plan non U S A 2 3 GHz channel plan A 3 7 GHz lower channel plan U S A 3 BAS 2 GHz channel plan A 4 factory settings oooocoooooo A 1 pre BAS 2 GHz U S A 2 COFDM demodulation 2 2 COFDM diversity module 7 4 COFDM Lock uoa uu rer edas Rd SEXE 3 10 Color bar generator ooo ooooo 3 18 Compatibility with transmitte
48. Receiver User and Technical Manual Routine Operation 3 3 ASI OUT The two Asynchronous Serial Interface ASI connectors are 75 ohm female BNC connectors that provide ASI outputs for digital video and audio distribution Using a standard RG59 75 ohm video cable you use the receiver s ASI output to backhaul the video audio from a remote site ASI IN This 75 ohm female BNC connector accepts an ASI signal input from another component It is used for local decoding of a SD HD ASI stream when the receiver is placed in external ASI mode The outputs are on the HD SDI and HD MON connectors only 70 MHz IN This connector is a 75 ohm female BNC connector that accepts input from another receiver This is an alternative input to BDC 1 and is selectable from the control screen menu AUDIO 1 to AUDIO 4 These mini XLR connectors output analog audio derived from the incoming RF signal They can be used as four monaural outputs or two stereo pairs depending on how the remote transmitter is configured AES 1 AES 2 The two Audio Engineering Society AES connectors are not currently implemented AES audio is compliant with SMPTE 299M and SMPTE 337M AES 1 audio output is available on the Audio 1 connector and AES 2 audio output is available on the Audio 3 connector 3 3 2 PACKET Connectors The following connectors provide inputs and outputs for the optional packet switching subsystem ASI IN 1 to ASI IN 4 These 75 ohm female BNC connectors
49. Select the input source to be decoded ASI In Allows for the decoding of an external SD HD ASI signal connected to the ASI Input BNC connector on the rear panel COFDM Out Demodulates a 70MHz IF input SCM Out Enables the unit to decode an ASI stream from the internal SCM option but only if the SCM option is installed Press OK to save the setting Enter Service Name 1 Select this option to open the Enter Service Name screen If you are receiving a multiplexed signal you can use this field to identify the specific signal you are monitoring 3 Use the up or down arrow keys to enter a name Valid characters include upper and lower case letters 0 to 9 and punctuation Press and hold the up or down arrow key to rapidly scroll through the list Press OK to save the service name Video Fail Mode 1 2 3 Select this option to open the Video Fail Mode menu Select either Freeze or Blue Freeze The monitor displays a freeze frame if the signal is lost Blue The monitor displays a blue screen of death if the signal is lost Press OK to save the setting Segmented Frame Format 1 2 3 Back Select this option to open the Segmented Frame Option menu This option determines whether video output is displayed as progressive or interlaced Select either On or Off Press OK to save the setting Select this option to display the Configure Audio Video 1 menu DRS4000 Receiver User and Technical Manua
50. X Receiver LK Phase Lock RXU Receiver Unit PID Program Identification RZ Return to Zero PLL Phase Lock Loop SBE Society of Broadcast Engineers POTS Plain Old Telephone System SC Service Channel Refers to standard analog phone service sometimes SC Single Carrier used as a back up method for communications cil Sade Nd mear PRBS Pseudo Random Bit Sequence SB ae Ed xui a QAM Quadrature Amplitude Modulation SDEMB S E z i Tum a a Se QPSK Quadrature Phase Shift Keying BP ge ides ato sere ry SDI Serial Digital Interface The signal video audio is imposed onto the 70 MHz carrier by varying the phase of the signal while A serial communications interface operating at 270 keeping the amplitude and frequency constant There Mbit sec SDI can operate at 1 5 Gbit sec for HD are 4 possible values of phase that can be used to carry information QuikVue HS Receiver User and Technical Manual Glossary B 7 Table B 1 Useful Terms Continued Table B 1 Useful Terms Continued SECAM Sequence de Couleur Avec Memoire S Video Video signal in which the chrominance color and luminance brightness information are separated Color television standard used in France Russia into individual subcarrier signals Also called Y C and other countries Provides 625 horizontal lines of Video Composite Video combines them into one resolution Not c
51. adcast Auxiliary Service BAS users Here are the topics covered Topic Page Initial Factory Settings A 1 Pre BAS 2 GHz Channel Plan U S A 2 2 GHz Upper Channel Plan non U S A 2 3 GHz Channel Plan A 3 7 GHz Lower Channel Plan U S A 3 US 2 GHz Relocation Project A 4 A 2 Initial Factory Settings This section lists the channels and frequencies for each RF band covered by the DRS4000 Receiver These frequencies are preset at the factory but can be modified using the DRS4000 Receiver Configuration Utility software Note These frequency settings should be changed by qualified technical personnel only Refer to the Society of Broadcast Engineers SBE web site http www sbe org for up to date information on local frequency plans for Electronic News Gathering ENG and Remote Pickup RPU operations DRS4000 Receiver User and Technical Manual Channels and Frequencies A 1 A 2 1 Pre BAS 2 GHz Channel Plan U S The pre BAS 2 GHz channel plan 17 MHz bandwidth covering 1 9 to 2 5 GHz is shown in Table A 1 A 2 2 2 GHz Upper Channel Plan non U S The 2 GHz upper channel plan for non U S products covering 2 3 to 2 7 GHz is shown in Table A 2 Table A 2 2 GHz Upper Channel Plan Table A 1 Pre BAS 2 GHz 17 MHz Bandwidth channel Offset 0 Center
52. ainer and packing must be available in case you need to file a damage claim with the shipping carrier 5 4 Inspecting the Components After unpacking the equipment MRC recommends that you inspect all components and cabling using the following checklist e Check for any dents or scratches If the equipment is dented or scratched it may have suffered internal damage as well e Check that the equipment is clean and dry e Check that no cables or connectors are broken damaged or loose Check that no switches or LED indicators are broken damaged or loose 5 5 Reporting Any Damage Should you discover any damage after unpacking the system report the damage by following these steps Immediately file a claim with the shipping carrier e Contact MRC Customer Service to determine the disposition of the equipment See Chapter 1 for contact information e Forward a copy of the damage report to MRC Customer Service When contacting Customer Service please have the following information available e Sales order number Model number and serial number of all damaged items 5 6 Preparing the Site The following requirements make initial installation easier and allow room for future access and servicing These requirements focus on the equipment rack ventilation moisture cabling power supply and grounding Equipment Rack The DRS4000 Receiver fastens to the mounting rails of a standard EIA 19 inch 48 3 cm equipment
53. al subsystems are made by serial communications channels The Processor Module contains an integrated USB 2 0 compliant Host controller that supports low and full speed data transfers for firmware upgrade purposes only High speed transfer is not supported nor are USB On the Go OTG devices USB devices that do not need a PC to communicate A USB connector on the front panel allows for firmware upgrades via a flash drive This module also contains a web server for remote management via a PC s web browser The web server is accessed through the RJ 45 Ethernet connector 7 1 7 Interface Module The Interface Module provides a communication interface between the DRS4000 Processor Module and the Block Downconverters Outdoor Units BDCs ODUs attached to the receiver The Interface Module also provides an interface for external alarms mechanisms attached to the DRS The Interface Module accepts a composite video signal from the MPEG Decoder and generates two copies of it The Interface Module also provides the following functionality e Accepts two audio streams and switches between them to generate one audio stream output Accepts two composite video signals and switches between them to generate one video stream output e Accepts four ASI signals switches among them and generates four copies of the selected signal The Interface Module also contains an independent dual channel RS 232 transceiver 7 1 8 Power Supply The p
54. and offset are placeholders so you must revise all of them to your unique frequencies before activating them Since the procedure for all band plans is virtually the same only the 2 GHz band plan is explained To customize one or more frequencies follow these steps 1 From the Setup Menu select the Factory Setup option 2 From the Factory Setup Menu select Edit Custom Plan to open the password screen 3 Enter the password default is 0000 and press OK to display the menu shown in Figure 3 31 Figure 3 31 Edit Custom Band Plan Edit Custom Band Plan 1 7 1 9 GHz 1 9 2 2 GHz 1 9 2 5 GHz 2 2 2 3 GHz 2 2 2 5 GHz 2 3 2 4 GHz 2 3 2 7 GHz More 4 Select the band plan that you need to modify or select More to display more RF bands This opens the Edit N GHz Custom Plan menu similar to Figure 3 32 on page 3 28 where N is the RF band you selected This screen consists of channel numbers down the left side and three columns of frequencies for the minus offset center frequency and plus offset Since these are to be custom frequencies the task is to change all the values to match your operating conditions DRS4000 Receiver User and Technical Manual Routine Operation 3 27 Figure 3 32 Edit 2 GHz Custom Plan Edit 2 GHz Custom Plan 0 1 7000 1 70500 1 71000 2 10 5 Select a frequency to be modified for example channel 1 plus offset This opens a
55. ave the setting More Select this option to display more audio video options as shown in Figure 3 17 Figure 3 17 Configure Audio Video Menu 2 Configure Audio Video 2 Set RS 232 Data Output Set Spectrum Overlay Select Audio Output Set Demodulator Switch Enter Service Name Video Fail Mode Segmented Frame Format Back Set RS 232 Data Output 1 Select this option to open the Set RS232 Data Output screen 2 Select either On or Off When set to on the receiver can output wayside data 3 Press OK to save the setting Set Spectrum Overlay il Select this option to open the Set Spectrum Overlay screen 2 Select either On or Off When set to on this option enables the video monitor to overlay the video picture DRS4000 Receiver User and Technical Manual Routine Operation 3 18 3 with an RF spectrum of the signal Press OK to save the setting Select Audio Output 1 3 Set Dem 1 3 Select this option to open the Select Audio Output screen This screen allows you to select between an Analog and AES EBU Digital audio output AES EBU represents the digital audio signal developed by the Audio Engineering Society AES and the European Broadcasting Union EBU Select either channel A or B and either Analog or Digital audio The default values are channel A and Analog output Press OK to save the settings odulator Switch Select this option to open the Set Demodulator Switch screen
56. ay be required Contact MRC for specific cable types and lengths to use in your application If you do not connect the antennas directly to the downconverters you will have to fabricate your own antenna mounting bracket Remember that the distance between each pair of antennas is critical for optimum performance 5 9 3 Aligning Omnidirectional Antennas For applications using omnidirectional antennas proper installation of the antennas will result in optimum performance In all installations the minimum distance between any two antennas is important Table 5 1 provides minimum separation distances for several frequency ranges available with the DRS4000 Receiver This is the minimum recommended distance between any two antennas Table 5 1 Minimum Separation Distances for Antennas oe E Recommended Adjustment by 1 4 Reference Separation Wavelength Freq MHz cm inch mm inch 1700 to 1850 52 94 20 84 44 12 1 74 1700 1900 to 2200 47 37 18 65 39 47 1 55 1900 isis Recommended Adjustment by 1 4 Reference Separation Wavelength Freq MHz cm inch mm inch 2200 to 2500 40 91 16 11 34 09 1 34 2200 2300 to 2700 39 13 15 41 32 61 1 28 2300 4400 to 4700 20 45 8 05 17 05 0 67 4400 4800 to 5000 18 75 7 38 15 63 0 62 4800 6400 to 6500 14 06 5 54 11 72 0 46 6400 Also the antennas must be plumb vertical for best performance The relative h
57. barids ideada da 1 2 H To Hc MM NN NE TOY Hardware components sese 2 4 Downconverter options 2 4 2 5 Hardware configuration so dieses DR bh 3 12 Downconverters 2 0002552055 7 1 7 3 A pos tus ae E ic di RW PEL 3 6 High definition ass ae rr ra 2 2 EEPROM rrr 3 26 High Definition HD 2 5 2 6 Electric SHOCK sectes tones cheba eed e Notices ii Electrostatic Discharge Notices ii m Encryption support ee c cece eee 3 20 Initializing EEPROM 0 55 3 26 Equipment rack M 5 2 PUNE este i F Inspecting components sss 5 2 A e e a a a a a E 3 13 Factory Menu rrr 3 24 default gateway oooooooooomo 3 14 Features TP 2 2 netmask TC 3 15 o o MIC DPI 1 4 IP Settings CT 3 16 Firmware ISO Certification cesen creada EEE Notices i UDOESCID seso ara es 3 26 K Firmware components 2202005 2 4 Four channel input tuner module 7 3 P CL EE ET Frame Sync cosa 9 essc ped eben dra Son e 3 17 E vt Frame Synch Offset o oooomomcnonecono 3 18 DRS4000 Receiver User and Technical Manual Index 2 L MRC Technical Support 1 3 LAN sss e s ers 2 4 N IS a x License code cargas Ch Scie a EY oes 3 31 Local Area Network 2 000000e eee 2 4 Netas sirios a de AR S UO 3 15 Local oscillator arua cio atio EIER SCR CR C Rr d 7 3 Netwo
58. bits per second MER Modulation Error Ratio Modulation error ratio is a measure used to quantify the performance of a digital radio transmitter or receiver using digital modulation such as QAM MHz Million 1 000 000 Hz MPEG Moving Picture Experts Group M QAM M order of Quadrature Amplitude Modulation MRC Microwave Radio Communications Multipath An unpredictable set of reflections and or direct waves each with its own degree of attenuation and delay Due to obstacles and reflectors in the signal s path transmitted signals arrive at the receive antenna from various directions over multiple paths at slightly different times MUX Multiplexer NC Normally Closed Relay or switch contacts N C No Connection NICAM Near Instantaneous Companding and Multiplexing NO Normally Open Relay or switch contacts NRZ Non Return to Zero Modulation NTSC National Television System Committee Color television standard used in the US Provides 525 horizontal lines of resolution Not compatible with PAL or SECAM Null modem An RS 232 cable designed to connect two computers cable or other data sources together It has male DB9 connectors on each end to mate with the DB9 female connectors on the PCs With a null modem connection the transmit and receive connections are crosslinked so that transmit pin 3 on one end connects to the receive pin 2 on the other The term can also be applied to similar Ethernet cables Also called a Crosso
59. cable you can connect the receiver s WAYSIDE DATA connector to a computer or an auto tracking antenna system ALARM This DB 15 female connector connects to single pole single throw SPST switches for summary alarm data for common faults and events and for site management control One SPST switch is for a minor alarm one SPST switch is for a major alarm and four SPST switches are for site management GEN LOCK This 75 ohm female BNC connector enables the decoder output to lock to an external frame lock input This can either be SD Black amp Burst or HD Tri level input into the rear panel BNC connector The Frame Sync function must be turned on via the Set Frame Sync Menu in order to use GEN LOCK SD SDI HD SDI The Standard Definition SD Serial Digital Interface SDI connector is a 75 ohm female BNC connector that outputs a video data stream from the MPEG module that is compliant with SMPTE 259M The High Definition HD SDI connector is a 75 ohm female BNC connector that outputs a video data stream from the MPEG module that is compliant with SMPTE 292M and SMPTE 299M Using a standard RG59 75 ohm video cable you can connect the receiver s SDI output to a monitor that has an SDI input or you can use an SDI to analog video converter to connect the signal to a video monitor HD MON The HD Monitor connector is a 75 ohm female BNC connector that provides a second output for monitoring the video data stream DRS4000
60. ceiver From the control screen select SETUP select Audio Video Configuration and select and review any of the audio related menu options See the section on Configuring Audio and Video Settings on page 3 16 Audio received at studio command center at a very low level A microphone level signal is being transmitted Incorrect audio settings at receiver for example Digital vs Analog Verify that the transmitter s audio outputs are at a line level Verify the audio settings for the receiver From the control screen select SETUP select Audio Video Configuration and select and review any of the audio related menu options See the section on Configuring Audio and Video Settings on page 3 16 DRS4000 Receiver User and Technical Manual Troubleshooting 4 5 4 4 General System Problems The following table describes general system problems Table 4 3 General System Problems Problem Possible Cause Suggested Actions Cannot connect to the DRS4000 web server Receiver is powered down or disconnected from the network Verify that the receiver is powered up and that itis connected to the network Receiver IP address is incorrect From the control screen select Setup select IP and MAC Address Configuration and enter the correct IP address Receiver does not power up Power cable not connected Verify that the power cable is fully connect
61. creen shown in Figure 3 14 The MAC address which is a unique identifier for each receiver was factory installed and can be modified by MRC personnel only Figure 3 14 View IP Settings Screen View IP Settings IP Address 192 168 1 123 Default Gateway 192 168 1 1 Netmask 255 255 255 0 MAC Address 00 1D 65 00 00 04 3 Press OK to return to the Configure IP Stack menu Configuring Audio and Video Settings The receiver provides a two part menu for configuring audio and video settings The following video line standards are auto detected and require no operator intervention SD 625 PAL SECAM color television format with 625 horizontal lines SD 525 NTSC color television format with 525 horizontal lines HD 720p50 An ATSC video format for HDTV with 720 LELI horizontal lines p stands for progressive scan 50 frames per second fps HD 720p59 An ATSC video format with 720 horizontal lines progressive scan 59 fps HD 720p60 An ATSC video format with 720 horizontal lines progressive scan 60 fps HD 1080i25 An ATSC video format with 1080 horizontal lines P stands for interlaced scan 25 fps HD 1080i29 An ATSC video format with 1080 horizontal lines interlaced scan 29 fps HD 1080i30 An ATSC video format with 1080 horizontal lines interlaced scan 30 fps To configure audio and video settings select the Audio Video Configuration option from the Setup menu to open the menu
62. e TPS information and configures it accordingly These parameters include Modulation Type Forward Error Correction FEC Guard Interval Gl and Spectrum Inversion SI Only the bandwidth of the signal 6 7 or 8 MHz and the receive channel and frequency need to be specified by the user In the DRS4000 Receiver there are four COFDM demodulation ICs Each IC is responsible for demodulating the signal The four signals are combined using the Maximal Ratio Combining MaxRC technique to produce one MPEG transport stream signal with enhanced characteristics that provide an overall diversity improvement factor That improvement factor can be about 4 to 5 dB for a two input system and about 8 to 9 dB for a four input system depending on channel characteristics This signal is subsequently output as two ASI streams one for driving the SD HD MPEG decoder module and one to be used as the monitor output See Appendix D for additional information on MaxRC techniques Each COFDM demodulator IC once locked on to an incoming signal can provide important signal performance measurements such as Received Carrier Level RCL Link Quality LQ Bit Error Ratio BER Modulation Error Ratio MER Signal to Noise Ratio SNR You can view these measurements in real time via the receiver s control panel 7 1 5 MPEG Decoder Module The MPEG decoder module supports SD and HD video It has two composite video output ports one SD outp
63. each pair of antennas and BCDs 1 Fasten the first BCD onto the mounting pole and secure it firmly in position using the mounting bracket and heavy duty band clamp See Figure 5 4 Figure 5 4 Mounting Downconverter on Pole lt Antenna Universal pole A RF input mounting bracket p NI ins 2 Block Heavy duty downconverter band clamp iS 1 2 Connect the first antenna securely to the BCD RF INPUT connector 3 Determine the minimum separation distance between the two antennas per Table 5 1 on page 5 7 4 Loosely fasten the second BCD to the mounting pole using the heavy duty band clamp Make sure that the BCD is approximately at the correct separation distance 5 Connect the second antenna securely to the second BCD s RF INPUT connector 6 Adjust the second antenna so it is parallel to the other antenna and separated by the minimum recommended distance DRS4000 Receiver User and Technical Manual Installation 5 8 T Securely fasten the second BCD to the mounting pole 8 Connect each BCD to the receiver using high quality UHF cables 9 Repeat these steps for the next pair of antennas Note Signal quality will degrade if the antennas are installed closer than the recommended minimum separation distance The separation distance between the antennas will require fine tuning for optimum performance Always start at the minimum recommended distance the antennas should be adjusted in quarter wavelength increm
64. eading for each antenna This indicates that the antenna is feeding the signal to the receiver 10 At the end of testing power down all equipment and disconnect all cables in preparation for installation 5 8 Installing the Receiver At the receive site you can use an existing standard EIA 19 inch rack or a rack ordered specifically for this configuration Before installing the receiver identify the rack mounting holes you intend to use Note 1 When installing components leave 1 RU of space between them for ventilation 2 Installation is easier if one person holds the component in place while another person fastens the mounting screws 3 If MRC installs the system the installer provides the mounting hardware otherwise you the customer must supply these parts DRS4000 Receiver User and Technical Manual Installation 5 5 Use the following steps to set up the components at each receive 4 site 1 Unpack the cartons containing the DRS4000 Receiver the antennas and the BCDs Make sure the POWER switch is set to the Off 0 position Connect the power cable to the POWER connector on the rear panel and connect the other end to an AC receptacle 2 Line up the mounting holes on the component s front z panel with the selected mounting holes on the rack as 5 9 Installing Antennas and shown in Figure 5 2 Downconverters 3 Insert the mounting screws and tighten them securely Be sure to provide about 1 RU of space
65. ecoder module e Processor module e Interface module AC to DC power supply The following sections discuss the technical aspects of each of these modules 7 1 1 Block Downconverters The DRS4000 Receiver can operate with either two or four block downconverters BDCs These block downconverters can be mounted on towers or buildings and can be directly connected to antennas The receiver supports either 2 GHz 1 99 to 2 5 GHz or 7 GHz 6 4 to 7 1 GHz Options are available that support other frequency bands such as 3 GHz and 4 GHz DRS4000 Receiver User and Technical Manual Theory of Operation 7 1 Figure 7 1 DRS4000 Receiver Block Diagram Packet option rear panel O tN SDI OUT I ASI OUT 7 l ASI OUT SDI Converter ASIIN 1 ASI Input ASIIN 2 ASIIN 3 ASIIN 4 Decoder ASI Input Diversity Demodulator 4 Channel Tuner Control Screen from overla C y Front Panel Interface Module Power Distribution PWA AC DC Power Supply Power Switch MPEG Decoder Rear Panel ODU Option L cv1 5 FE CV2 See WAYSIDE DATA AUDIO 4 AUDIO 3 AUDIO 2 AUDIO 1 SD SDI OUT DRS4000 Receiver User and Technical Manual Theory of Operation Each BDC operates by mixing a Local Oscillator LO signal together with the incoming R
66. ed at both ends Fuse is blown 1 Set the power switch to off and remove the power cable from the receiver 2 Remove the fuse holder from the connector block and inspect the fuses 3 Replace fuses if needed 4 Reinstall the fuse holder and power cable 5 Set the power switch to on DRS4000 Receiver User and Technical Manual Troubleshooting 4 6 5 Installation 5 1 Chapter Overview This chapter provides instructions on unpacking and inspecting the components preparing the site and installing the components of the DRS4000 Receiver These instructions are written for technically trained customer installers that is for customers who have an IT staff or other technical personnel responsible for installing electronic equipment and for MRC Technical Services personnel who install such systems Here are the topics covered Video Connections 5 10 Data Connections 5 11 Power Connections 5 14 Powering Up the First Time 5 9 Audio Connections 5 9 5 2 Reviewing Customer Specifications Before installing any components you the customer need to review several details so that the installation can proceed in a timely fashion Use the following steps T Verify with the MRC Inside Sales representative that all components for the customer order have been Topic Page shipped Reviewing Customer Specifications 5 1 2 Set up an installation date and r
67. ed eee eis 1 9 to 2 5 GHz 2 3 to 2 7 GHz 6 4 to 7 1 GHz 1 9 to 2 5 GHz 6 4 to 7 1 GHz dual band support 4 4 to 5 0 GHz HS version only RE Input Range es ener pre ees 20dbm to 100dbm NOISE AA 4db max COFDM Bandwidth SUppOrt 1 ir ar ER 6 7 and 8 COFDM DVB T pedestals 10 and 20 MHz COFDM LMS T pedestals FEMA souche ehe SR P D e POR when tte Greets 245 db COFDM Compatibility ETSI EN 300 744 DVB T Modulation support DVB T and LMS T C N Threshold C N within 1 db of ETSI standard for Gaussian amp Rayleigh channel COFDM Auto Sense Parameters FEC G l modulation spectrum polarity RFF Stability s irai tm PE Y REESE mS 2 ppm RF IF Bandwidth 8MHz SAW 10MHz SAW 20MHz SAW COFDM DIVERSITY COFDM Diversity Technique Maximal Ratio Combining A Dix Gr Mee Le ue none and Packet Switching 2 RF Inputs 5 db typical 4 RF Inputs 8 db typical Doppler Frequency Increase 2X improvement DVB ASI Output iru Be chee a iw ee Monitor port ASI Output Packet Length 188 byte ASI Output Driver Able to drive 200 ft of Belden 8281 cable ASI Output Level 800 mv pp 10 96 MPEG DECODER MPEG Decoding Decoding of one video channel Video Decoding 4m RUM Autodetect decoding Chroma SUpport 15 25 50 3 wha Wi wd amp ae EAS SE Tes 4 2 0 4 2 2 Line Standard AAA Ren 525 625 lines
68. eight of the antennas should be the same but is not critical For example if the antennas are mounted on a tower or a mast the antennas must be mounted vertically all parallel to each other and mounted at a similar height on the tower or mast The separation distance between the antennas must be measured from the center lines of the antennas as shown in Figure 5 3 You should initially install the antennas at the recommended minimum separation distance If necessary increase the distance by quarter wavelengths DRS4000 Receiver User and Technical Manual Installation 5 7 Figure 5 3 Antenna Separation and Alignment Recommended La A Center Lines Omnidirectional in ormodi Plane Coma Antennas Alignment Plane Antenna Alignment Tipped 5 9 4 Installing Downconverters and Antennas Each low noise block downconverter BCD assembly includes a block downconverter universal pole mounting bracket and a heavy duty band clamp The BCDs can be installed either on a horizontal or a vertical pole assembly MRC recommends attaching the downconverter directly to the antenna When you attach the antennas directly to the BCD RF INPUT connectors then you must mount the antennas in the same physical plane that is one antenna should not be tilted with respect to the other antenna See Figure 5 3 To install the BCDs on a mounting pole when the antennas are connected directly to the BCDs perform the following steps for
69. eiver The DRS4000 Receiver samples the signal to noise ratio SNR from all antennas constructing an optimized signal from one or more of the signals High quality 75 ohm coaxial cable RG6 or RG11 should be used to connect the receiver to the downconverters The COFDM demodulator and SD HD MPEG decoder support standard Digital Video Broadcast Terrestrial DVB T 2K operation as well as the highly advanced Link Modulation System Terrestrial LMS T LMS T employs COFDM technology in a proprietary format that utilizes powerful LDPC error correction codes to achieve a 3096 increase in throughput with a corresponding increase in robustness over DVB T All MRC and Link SD HD ENG transmitters and wireless camera systems also support LMS T Figure 2 1 on page 2 3 depicts a typical configuration 2 3 Features The DRS4000 Receiver offers the following features Two or four antenna inputs DVB T LMS T Maximal ratio combining diversity technology ASI packet switching technology Supports DVB T and LMS T demodulation technology Front panel live video monitor Real time front panel monitoring for Signal to Noise SNR Link Quality signal integrity LQ Receive Carrier Level RCL and Bit Error Rate BER Embedded real time operating system accessible via front panel control screen Up to 50 programmable presets saved settings using the DRS4000 front panel Rack Mountable compact EIA 19 inch rack 2RU height Supports 6 7 a
70. en shown in Figure 3 12 Press OK to save settings or Figure 3 12 Change Default Gateway Screen press Back to exit without any changes Default Gateway Config Modify Default Gateway 3 Select the Change IP Address option The highlighted 192 168 1 1 cursor moves to the first digit on the left and new instructions appear at the bottom of the screen Done 4 Enter the IP address obtained from your IT staff Use the up down arrows to change a value The allowed values vary from digit to digit Use the left right arrows to move to a different digit 5 Press OK to save the new IP address and press Back to return to the Configure IP Stack menu Press OK to save settings or press Back to exit without any changes 3 Select the Modify Default Gateway option The highlighted cursor moves to the first digit on the left and new instructions appear at the bottom 4 Enter the default gateway obtained from your IT staff Use the up down arrows to change a value The allowed values vary from digit to digit Use the left right arrows to move to a different digit 5 Press OK to save the new gateway and press Back to return to the Configure IP Stack menu CAUTION Be sure to enter an IP address that is valid for your local area Network LAN otherwise the receiver will be unable to communicate with your network DRS4000 Receiver User and Technical Manual Routine Operation 3 14 CAUTION Be sure to ent
71. ents as shown in Table 5 1 on page 5 7 5 10 Powering Up the First Time After installing the receiver downconverters antennas and associated cables the system is ready to be powered up 1 Verify that the power cable is securely connected to the power connector on the rear panel of the DRS4000 Receiver 2 Verify that all other cables are properly connected to the receiver s rear panel connectors 3 Verify that the AC power source is turned on 4 Connect the power cable to the AC power source 5 Set the power switch to On 1 The receiver will quickly power up and display the initial control panel as shown in Figure 5 5 The receiver also powers up the downconverters Figure 5 5 Initial Control Panel DR54000 Preset None Selected COFDM Lock Vid Lock 9 SNR dB Link Qual Presets 5 11 Audio Connections The mini XLR connectors labeled AUDIO 1 to AUDIO 4 output analog audio derived from the incoming RF signal They can be used as four monaural outputs or two stereo pairs depending on how the remote transmitter is configured Pinout information is shown in Figure 5 6 on page 5 10 and Table 5 2 on page 5 10 DRS4000 Receiver User and Technical Manual Installation 5 9 Figure 5 6 Audio Connector Table 5 2 Pinouts for Audio Connector Pinout Signal Description 1 Ground 2 t 3 5 12 Video Connections For all TNC connectors the signal is carried on the center pin and
72. er a default gateway that is valid for your LAN otherwise the receiver will be unable to communicate with your network Enter the netmask obtained from your IT staff Use the up down arrows to change a value The allowed values vary from digit to digit Use the left right arrows to move to a different digit 5 Press OK to save the new netmask and press Back to o return to the Configure IP Stack menu Configuring a Netmask To configure the receiver s netmask gateway follow these steps CAUTION Be sure to enter a netmask that is valid for your 1 From the Setup Menu select the IP and MAC Address Configuration option to open the IP Stack Config menu as shown in Figure 3 10 on page 3 13 2 Select Change Netmask to open the screen shown in Figure 3 13 Figure 3 13 Netmask Config Screen Netmask Config Modify Netmask 255 255 255 0 Press OK to save settings or press Back to exit without any changes 3 Select the Modify Netmask option The highlighted cursor moves to the first digit on the left and new instructions appear at the bottom LAN otherwise the receiver will be unable to communicate with your network DRS4000 Receiver User and Technical Manual Routine Operation 3 15 Displaying IP Settings To display the receiver s network settings follow these steps 1 From the Setup Menu select IP and MAC Address Configuration to open the IP Stack Config menu 2 Select Display IP Settings to open the s
73. es into several categories Note When viewing the PDF file for this manual click on any of the following menu options to jump to the section that describes that option DRS4000 Receiver User and Technical Manual Routine Operation 3 11 Figure 3 8 Setup Menu Setup Menu Hardware Configuration RF Switch Matrix and Input Routing IP and MAC Address Configuration Audio Video Configuration Encryption Support Site Management Control Packet Switching Configuration Factory Setup Viewing the Hardware Configuration To view the hardware configuration and a list of installed hardware and revision levels follow these steps 1 Select the Hardware Configuration option from the Setup Menu to open the Hardware Configuration screen This screen lists the installed hardware and software For each component the list includes the component name software revision level and serial number For the Processor Board the software revision is 1 0 or higher For the Diversity Receiver board the software revision is 3 5 2 Press the OK button to return to the control screen Setting Up the RF Switch Matrix The RF Switch Matrix screen shown in Figure 3 9 displays the antenna block downconverter inputs 1 to 4 and the corresponding tuner inputs A to D These tuner inputs correspond to vertical color bars A to D in the signal display regions of the control screen The benefit of this screen is that you can quickly reroute y
74. esolve with MRC any T TET EE i T open issues or questions about the customer order npacking the Components p 7 p 3 Verify that your site complies with all infrastructure inspecting the Components idi requirements such as power and communications Reporting Any Damage 5 2 lines Preparing the Site 9 2 4 If you require that Accepted Test Procedures must be Testing the Antennas 5 4 performed identify the procedures and the person Installing the Receiver 5 who is to sign off the completed procedures Installing Antennas and Downconverters 5 6 Cabling Practices 5 6 5 3 Unpacking the Components Selecting Coaxial Cables ad Each system is shipped after factory testing with all components Aligning Omnidirectional Antennas 5 7 ready to install at your site Components are packaged in Installing Downconverters and Antennas 5 8 appropriate shipping containers Audio Connections 5 9 DRS4000 Receiver User and Technical Manual Installation 5 1 CAUTION Verify that all packing material has been removed from any included antennas Adhere to the following guidelines when unpacking your new equipment Unpack the equipment carefully to avoid accidental damage Locate all parts and accessories in each container Verify that the items shipped agree with those listed on the packing list DO NOT discard the container or packing material until you have inspected the equipment and are sure there is no shipping damage The cont
75. ettings and functions of the receiver When you operate the receiver via the control screen you can monitor receive carrier level RCL signal to noise ratio SNR and link quality for all incoming video signals You can also change receiver settings such as channel frequency and RF band and save them as presets as needed The control screen always displays the last saved settings DRS4000 Receiver User and Technical Manual Routine Operation 3 5 For ease of use the control screen is organized into the following regions Help text RF settings e Presets up to 50 Service transmitter ID Data status Signal displays Menu buttons These regions are identified in Figure 3 3 and explained in the subsections that follow Figure 3 3 Regions of the Control Screen Help text Current RF settings M Preset Service 2416x10 COFDM Lock 9 Vid Lock 9 Data Status Signal 5 2 displays Menu buttons A B D 3 5 1 Help Text Region This region provides a brief description of each setting and menu on the control screen For example when Chan is highlighted the help text says Change the current channel settings 3 5 2 RF Settings Region This region groups together the settings for the incoming RF signal including channel frequency and RF band 3 5 3 Preset Region This region displays the current preset a collection of settings you previously stored as a number and a text label 3 5
76. ettings o on aono esee 3 6 ae LOMPOC a ee ienai i ar e RF switch matrix ia acie dc Box gr de RC GR wae 3 12 RF switching module eee reese 7 3 Ventilation scene tA E axe 5 3 ui cR ans Se EE A ee Notices iii Vid Lock si a ie a 3 10 RS 232 OBIDUI 2 oues cee tee teed Web Eo ese 3 18 Video fail mode esses eee eee 3 19 S Video line standards ooooooooo 3 16 Video TOODIDDE as desear in e i ib cta 3 8 d A eer ean eng saa mU detM NIE pe Video Output 00 cece cece cece s 3 18 SD Video Output Level esses 3 18 Oe ee tetra ni ene clara amnesia oe Sonics Video SWINGS Jeet uad td e a aaea a 3 16 calling for ooo 1 3 View PIDS 22295 3 Id pad 3 17 Service name ira qt ea od es Moa eat 3 19 W Setting encryption support 55 3 20 WARNINGS ossa aeu ad ER ROEERR OM ra Notices ii Setup Menu escoria a 3 11 Warranty Information Notices iii SI service information cerco n Rn 3 17 Waste electrical and electronic equipment Notices ii Signal Displays dus ied ave br ce ne hea 3 6 3 10 DRS4000 Receiver User and Technical Manual Index 4 Web browser interface 3 32 Webserver e 2 4 DRS4000 Receiver User and Technical Manual Index 5 DRS4000 Receiver User and Technical Manual Index 6
77. for non U S applications 5 16 Optional Packet Connectors The following connectors provide inputs and outputs for the optional packet switching subsystem For all BNC connectors the signal is carried on the center pin as shown in Figure 5 8 on page 5 10 ASI IN 1 to ASI IN 4 These 75 ohm female BNC connectors allow up to four ASI inputs from different receive sites effectively acting as a diversity switch They can also be used as an ASI multiplexer The maximum bit rate is adjustable up to 40 Mbps ASI OUT These connectors are 75 ohm female BNC conn ectors that provide a diversity ASI output or a multiplexed ASI output according to the mode set for the packet SDI OUT This connector is a 75 ohm female BNC connector that outputs a digital video stream DRS4000 Receiver User and Technical Manual Installation 5 14 6 Replacement Parts 6 1 Chapter Overview This chapter describes the replacement parts that are available for the DRS4000 Receiver Since there are no supported field repairs on the DRS4000 Receiver the only parts available are external cables and fuses 6 2 Replacements The replacements parts for the DRS4000 Receiver are listed in Table 6 1 If you need something that is not listed ask your MRC Sales Representative or consult the factory Table 6 1 Replacements Parts Description Comments AC Power Cable Connects AC power to the DRS4000 Receiver Fuses 2 2A 250 VAC
78. grade Tuner option to load the latest version from the Adjust all the settings on the receiver for a particular incoming video signal firmware 2 Select the Presets button on the bottom of the Control Screen to display the menu shown in Figure 3 35 Follow these steps 1 From the Setup menu select Upgrade Tuner A Figure 3 35 Preset Menu screen displays with a single line of spaces 2 Enter the tuner code 2736 using the up down arrows Preset Menu to change the value and the right arrow to move to the Load Preset next space Save Praza 3 Press OK and read the warning before continuing IAS 4 Press OK to save the continue or Back to cancel Delete Preset Factory Testing The Factory Setup Menu provides a Factory Test option for use by MRC personnel only This option is password protected 3 to prevent accidental use by unauthorized personnel 3 9 4 Using the Preset Menu 4 A preset is a collection of data stored in firmware that contains all the receiver settings for a given situation that you need to reuse frequently The Preset Menu allows you to save a group of settings with a unique name quickly set the receiver to those specific settings by loading a preset and delete a preset if it is no longer needed The DRS4000 Receiver supports up to 50 presets Each preset 5 stores all the settings you can change from the control screen Select Save Preset to open a screen consisting of one line of spaces on which you
79. hannel above another VCXO Voltage Controlled Crystal Oscillator information channel VDC Volts Direct Current VF Voice Frequency QuikVue HS Receiver User and Technical Manual Glossary B 8 Table B 1 Useful Terms Continued VFD Vacuum Fluorescent Display A low cost voltage controlled device for displaying text and graphics with high brightness and wide viewing angles VI Video Input Video A term pertaining to the bandwidth and spectrum of the signal that results from television scanning and which is used to reproduce a picture VPN A Virtual Private Network uses a public telecommunication infrastructure like the Internet to allow remote users to tunnel into an organization s private network via security measures Vpp Volts peak to peak WAN Wide Area Network WEEE Waste Electrical and Electronic Equipment QuikVue HS Receiver User and Technical Manual Glossary B 9 This page intentionally left blank QuikVue HS Receiver User and Technical Manual Glossary B 10 C X Specifications This section provides the RF electronic physical safety and power specifications for the DRS4000 Receiver Note MRC reserves the right to make changes to specifications of products described in this section at any time without notice and without obligation to notify any person of such changes RF INPUT IIS INDUS canas aa Prnt oT Sea ee o UR 2 4 RF Band Support 24 245 hik
80. he property of the buyer upon delivery and receipt from the carrier Any damage in shipment should be handled by the buyer directly with the carrier Immediately request the carrier s inspection upon evidence of damage during shipment Do not return any Microwave Radio Communications product to the factory until a Return Material Authorization RMA number and shipping instructions have been provided f No person including any dealer agent or representative of MRC is authorized to assume for MRC any other liability on its behalf except as set forth herein If any payment is due MRC for services performed hereunder it will be subject to the same DRS4000 Receiver User and Technical Manual Notices iii payment terms as the original purchase Products Manufactured By Others For products not manufactured by MRC the original manufacturer s or licensor s warranty will be assigned to Buyer to the extent permitted by the manufacturer or licensor and is in lieu of any other warranty expressed or implied For warranty information on a specific product a written request should be made to MRC All Products THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER EXPRESS OR IMPLIED WARRANTIES OBLIGATIONS AND LIABILITIES ON THE PART OF MRC EXCEPT FOR THE EXPRESS WARRANTIES STATED HEREIN MRC DISCLAIMS ALL WARRANTIES ON PRODUCTS FURNISHED HEREUNDER INCLUDING WITHOUT LIMITATION ALL IMPLIED WARRANTIES OF MER
81. hnical Manual Installation 5 10 70 MHz IN This connector is a 75 ohm female BNC connector that accepts input from another receiver This is an alternative input to BDC 1 and is selectable from the control screen menu 5 13 Monitor and Control Connectors CNTLIMON 1 to CTRLIMON 6 The 7 pin circular Lemo connectors provide control inputs and monitor outputs for the adjacent downconverter BDC1 to BDC6 Pinout information is shown in Figure 5 9 and Table 5 3 Figure 5 9 Control Monitor Connector Table 5 3 Pinouts for Control Monitor Connector Pinout Signal Description Power On Detect Lock Detect A Lock Detect B H L Band Select Band Select 1 Band Select 2 Ground lloc o MD gt HD MON The HD Monitor connector is a 75 ohm female BNC connector that provides a second output for monitoring the video data stream The control signal is carried on the center pin GEN LOCK This 75 ohm female BNC connector enables the decoder output to lock to an external frame lock input This can either be SD Black amp Burst or HD Tri level input into the rear panel BNC connector The control signal is carried on the center pin 5 14 Data Connections For the following connectors the USB and Ethernet connectors are on the front panel The USB 2 0 connector allows you to install firmware updates from MRC via a flash drive Pinout information for this connector is shown in Figure 5 10 and Tab
82. icensable for 4 inputs SD Standard Mode approx 380 msec Low Delay Mode approx 100 msec MPEG mode and encoder dependent Latency Low Delay Mode Link technology HD Low delay mode less than 65 msec max for all resolution formats PHYSICAL Mechanical Package 2 RU 19 inch Rack Mount Operating Temperature 10 to 50 degrees C Storage Temperature 40 to 70 degrees C Vibration cs am Heo ees Meets RTCA DO 160D section 8 5 2 Random Test Procedure figure 8 1 Category B 0 7g rms SAFETY COMPLIANCE Meets CE EN60950 Safety CE Compliance Standard ETSI EN 301 751 Harmonized European Standard ETSI EN 301 390 Spurious Emissions DRS4000 Receiver User and Technical Manual Specifications C 2 ETSI EN 302 064 1 RX Immunity Electromagnetic Compatibility part 1 amp 2 FCC Compliance 4 seek e Part 15 Class A POWER REQUIREMENTS AC Power Input Auto sense 100 to 130 VAC 110 nominal 205 to 240 VAC 220 VAC nominal 50 to 60 Hz Power Consumption Less BDC power 28 Watts Power Input AC Standard U S 3 prong connector FUSES apra ad bos es S oan 2 glass fuses rated at 2A each FRONT PANEL DISPLAYS RF Controls Dependent on configuration Preset number channel frequency channel offset Digital COFDM Diversity COFDM COFDM bandwidth S N previterbi post viterbi BER LQ FEC guard interval bit rate modulation Digi
83. ich is shared at both the transmitting and receiving location BISS 1 BISS encryption that uses a fixed key BISS E BISS encryption that uses an encrypted key A amp C Alarm and Control ACU AC to DC Converter Unit ADPCM Adaptive Differential Pulse Code Modulation AES Advanced Encryption Standard AES Audio Engineering Society AES EBU Unofficial name for a digital audio standard developed as a joint enterprise of the AES and the EBU AFC Automatic Frequency Control AGC Automatic Gain Control AIS Alarm Indication Signal all one s AMI Alternate Mark Inversion line code format for traffic data AVG Average ASI Asynchronous Serial Interface A serial communications interface operating up to 270 Mbit sec Generally used in field news gathering operations ASYNC Asynchronous Digital communication in which there is no timing requirement for transmission and in which the start of each character is individually signaled by the transmitting device ATSC Advanced Television Systems Committee The group that developed the ATSC digital television standard for the US and other countries BNC Bayonet lock coaxial connector BPF Band Pass Filter bps or b sec Bits per second BPSK Binary Phase Shift Keying BW Bandwidth QuikVue HS Receiver User and Technical Manual Glossary B 2 Table B 1 Useful Terms Continued Table B 1 Useful Terms Continued
84. ics covered Topic Page Description 2 1 Features 2 2 Hardware Components 2 4 Receiver 2 4 Antennas 2 4 Low Noise Block Downconverters 2 5 Firmware Components 2 4 Frequency Bands 2 4 Standard High Definition MPEG Decoding 2 5 COFDM Demodulation 2 5 Applications 2 5 Compatibility 2 5 Options 2 5 Antenna Options 2 6 Block Downconverter Options 2 5 RF Filter Options 2 6 Mounting Options 2 6 Power Options 2 6 Decryption Options 2 7 HD Decoding Upgrade 2 6 SCM Single Input Demodulation Support 2 7 Packet Switching Option 2 7 2 2 Description The DRS4000 Diversity Receiver System DRS4000 is a high performance cost effective COFDM receiver suitable for sports news and outside broadcasts from ground based or aircraft based transmitters The DRS4000 Receiver is ideal for Elec tronic News Gathering ENG Digital Video Broadcast DVB mobile communication wireless airborne networks and Outside Broadcast OB systems as well as for applications that require hands off antenna diversity or deploy multiple units for up to a four site cellular system The receiver consists of a 2RU rack mountable digital microwave receiver that supports four antenna inputs All functions can be operated from the front control panel The DRS4000 Receiver uses the latest maximal ratio combining MaxRC technology to optimize the quality of the transmitted signal
85. ify that the transmitter is running Select the correct preset Check all cables for secure connections DRS4000 Receiver User and Technical Manual Troubleshooting 4 3 Table 4 1 Video Problems Problem Possible Cause Suggested Actions receiver Receive signal level OK but no video at No video feed Loose or disconnected video cable between camera and transmitter Incorrect video format specified for example SD vs HD Contact the remote crew and verify that the camera and transmitter are powered up and connected Verify the connections between camera and transmitter Verify the video settings for the receiver From the control screen select SETUP select Audio Video Configuration and select and review any of the video related menu options See the section on Configuring Audio and Video Settings on page 3 16 DRS4000 Receiver User and Technical Manual Troubleshooting 4 4 4 3 Audio Problems The following table describes audio problems Table 4 2 Audio Problems Problem Possible Cause Suggested Actions No audio at studio command center No audio input Loose or disconnected audio cables Incorrect audio settings at receiver for example Channel A vs Channel B Check the audio source Verify with the remote crew that the audio cables are securely connected to the transmitter Verify the audio settings for the re
86. ion to information marked in one of the following ways WARNING Follow WARNINGS closely to prevent personal injury or death CAUTION Follow CAUTIONS to prevent damage to the equipment Note Read Notes for additional information to assist you in using and maintaining the equipment Waste Electrical and Electronic Equipment The crossed out dustbin symbol on the product indicates that the product must not be disposed of with other waste at the end of its life cycle Instead it is the user s responsibility to dispose of the waste equipment by handing it over to a designated collection point for the recycling of Waste Electrical and Electronic Equipment WEEE For more information about where you can drop off your waste equipment for recycling please contact your local government office Except for this notification and the proper marking of products with the appropriate symbol Microwave Radio Communications disclaims responsibility for the disposal of its products per the WEEE directive Symbols Used The following symbols are used on the equipment Symbol Meaning WARNING General Warning Risk of Danger WARNING Risk of Electric Shock CAUTION Electrostatic Discharge Possible Damage to Equipment Fuse Identifies fuses or their location Frame or Chassis Ground Identifies the frame or chassis terminal Earth Ground Identifies the earth ground terminal Protective Earth Ground
87. it is written Other sections explain how to order manuals request service or submit product feedback 1 2 How to Use This Manual A CD ROM delivered with each DRS4000 Receiver contains PDF files for the User and Technical Manual and the Quick Reference Card The User and Technical Manual and the Quick Reference Card are also available for download through the MRC E Synergy Customer Portal For more information or to obtain a user name and password please go to http www mrcalobalsolutions com support e syner ortal Hardcopies of the User and Technical Manual are provided only if they were requested when your equipment was ordered Viewing of this manual on line requires Adobe Acrobat software or Adobe Reader software Version 5 0 and later Click on the following icon to download your FREE copy of the latest Adobe Reader software Get Adobe Reader When viewing this manual on line text displayed as blue contains a hypertext link Click on the blue hypertext link to jump to that destination If the destination link is also blue click on the blue destination link to return 1 3 What This Manual Covers This manual describes how to operate and maintain the DRS4000 Receiver The DRS4000 is a diversity receiver system DRS that comprises a rack mounted digital microwave receiver that supports multiple antenna inputs SD and optional HD decoding MaxRC diversity techniques and optional packet switching features
88. itches select the Site Management Control option from the Setup menu to open the Site Management Menu as shown in Figure 3 19 Figure 3 19 Site Management Menu Site Management Menu Edit Site Management Activate Site Management Edit Site Management 1 Select this option to open the menu as shown in Figure 3 20 on page 3 21 This menu lets you relabel any of the four site management switches DRS4000 Receiver User and Technical Manual Routine Operation 3 20 Figure 3 20 Site Management Configuration Menu Figure 3 21 Site Management Configuration Screen Site Mgmt Configuration Site Mgmt Configuration Site Mgmt 1 Site Mgmt 1 Off Site Mgmt 2 Site Mgmt 2 Off Site Mgmt 3 Site Mgmt 3 Off Site Mgmt 4 Site Mgmt 4 Off 2 Select each Site Mgmt switch in turn to open a name field 3 Use the up down arrow keys to change the value of each character Press and hold the up down arrow key to rapidly scroll through the list Valid characters include upper and lower case letters 0 to 9 and punctuation 4 Press the right arrow to move to the next character e Press OK to save the switch name 6 Press Back to return to the Site Management Menu as shown in Figure 3 19 on page 3 20 Activate Site Management 1 Select this option to open the screen as shown in Figure 3 21 2 For each switch press the right arrow to turn it On or Off Press the down arrow to move to the
89. k to cancel Set Frame Sync 1 Select this option to open the Set Frame Sync menu where the choices are On or Off This function must be set to On if you need to use the GEN LOCK connector on the rear panel DRS4000 Receiver User and Technical Manual Routine Operation 3 17 2 Press OK to save the setting Set Frame Sync Offset T Select this option to open the Edit Frame Sync Offset screen This offset allows a delay or advance of the framelock in the range of 0000 to 9999 where 5000 is the center of the range 2 Enter the offset in pixels One pixel is approximately 74 63 nanoseconds Set Video Output T Select this option to open the Set Video Output screen which controls the SD Video Source Color Bar Generator 2 Set the color bar generator to On or Off as needed and then press OK to save the settings Adjust SD Video Output Level 1 Select this option to open the Adjust SD Video Output Level screen This screen allows you to set the proper video sync level 40 IRE is the default IRE Institute of Radio Engineers is a unit of measurement for the video level in which 1 IRE equals 7 14 mV 2 Press OK to save the setting Adjust Audio Output Level 1 Select this option to open the Adjust Audio Output Level screen This screen adjusts the SD audio output level in tenths of a decibel The highest value and default is 6 0 which equals 8 dBm output level This affects all audio inputs 2 Press OK to s
90. l Routine Operation 3 19 Setting Up Encryption Support To set up encryption support follow these steps 1 Contact the remote video crew and determine the type of encryption being transmitted as well as the key 2 Select the Encryption Support option from the Setup menu to open the Encryption Configuration menu as show in Figure 3 18 Figure 3 18 Encryption Configuration Screen Encryption Configuration Encryption Mode Off Enter BISS 1 Key Enter BISS E Key Enter BISS E Injected ID Enter AES Key 3 Use the left right arrow keys to select an Encryption Mode of either Off ABS BISS 1 BISS E or AES Note AES encryption is currently not supported 4 Depending on the mode you selected move down to the corresponding option and press OK to open its Change Key screen 5 For BISS 1 enter a 12 digit hexadecimal key For BISS E enter a 16 digit hexadecimal key For BISS E Injected ID enter a 14 digit hexadecimal key 6 Use the up down arrow keys to change the value of each character Press and hold the up down arrow key to rapidly scroll through the list T Press the right arrow to move to the next character 8 Press OK to save your changes Setting Up Site Management Switches Site management switches are located with the receiver and consist of normally open single pole single throw SPST relays These can be used to control external equipment or devices at the receive site To set up these sw
91. l Manual Glossary B 4 Table B 1 Useful Terms Continued Table B 1 Useful Terms Continued GPS The Global Positioning System is a set of 24 satellites that are in 10 600 mile orbits above the Earth Owned and operated by the U S Department of Defense GPS enables people with ground receivers to pinpoint their geographic location GUI Graphic User Interface Hashed A visual cue on a graphical user interface consisting of diagonal lines across the surface of a button This indicates that a button is not currently functional HD High Definition video HDB3 High Density Bipolar 3 line code format for traffic data HD SDI High Definition Serial Data Interface A serial communications interface operating at 1 5 Gbit sec HPF High Pass Filter HPU High Power Unit H W or HW Hardware Hz Hertz Hz is a unit of frequency of one cycle per second Hz replaces the earlier term of cycles per second CPS ICI Inter Carrier Interference ICR Inter City Relay ID Identification IDU Indoor Unit IF Intermediate Frequency IMD Inter Modulation Distortion 1 0 Input Output IP Address An Internet Protocol IP address is a 32 bit number for example 123 45 67 89 for IP version 4 or a 128 bit number for IP version 6 that identifies the network device that is sending or receiving information that is transmitted acr
92. l be updated when you reopen this menu If you select Individual you can move to any BDC number set it to On or Off as needed and press OK to save all settings Calibrating RCL To calibrate RCL for each BDC follow these steps 1 Select RCL Calibration from the Factory Setup Menu to display the menu shown in Figure 3 29 Figure 3 29 BDC Calibration Menu BDC Calibration BDC 1 BDC 2 BDC 3 BDC 4 2 Select BDC 1 to open the BDC 1 calibration screen as shown in Figure 3 30 This screen reports the current receive carrier level RCL in real time and also displays the status of the COFDM Lock Figure 3 30 Downconverter Calibration Screen BDC 1 IF Loss 0 0 dB Offset 0 0 dB RCL 35 5 dBm COFDM Lock Yes DRS4000 Receiver User and Technical Manual Routine Operation 3 25 3 For IF Loss and enter the cable loss that you have calculated for the cable you are using The default value is 0 00 dB Use the left right arrows to change the value and use the down arrow to move to the next setting 4 Note the Offset This is a factory setting and should not be changed 5 Press OK to save this setting and return to the BDC Calibration menu 6 Select another BDC to calibrate and repeat steps 3 to 5 for each additional downconverter Upgrading Firmware This feature allows you to install the latest firmware from a standard USB flash drive MRC will periodically provide updates via its E S
93. le 5 4 Figure 5 10 USB Connector AA DRS4000 Receiver User and Technical Manual Installation 5 11 Table 5 4 Pinouts for USB Connector Pinout Name Signal Description 1 VCC 5 VDC 2 D Data 3 D Data 4 GND Ground The RJ 45 ETHERNET connector allows you to connect the receiver to a computer and use the DRS4000 web browser interface to control the receiver Pinout information for this connector is shown in Figure 5 11 and Table 5 5 Figure 5 11 ETHERNET Connector Table 5 5 Pinouts for ETHERNET Connector Pinout Signal Description TX TX RX not used not used RX not used CO N amp D Oo A Ww NM gt not used ALARM This DB 15 female connector connects to single pole single throw SPST switches for summary alarm data for common faults and events and for site management control One SPST switch is for a minor alarm one SPST switch is for a major alarm and four SPST switches are for site management Pinout information for this connector is shown in Figure 5 12 and Table 5 6 on page 5 13 Figure 5 12 ALARM Connector DRS4000 Receiver User and Technical Manual Installation 5 12 Table 5 6 Pinouts for ALARM Connector Pinout Signal Description 1 SM1 COM 2 SM1 NO 3 SM2 COM 4 SM2 NO 5 SM3 COM 6 SM3 NO 7 SM4 COM 8 SM4 NO 9 ALM MNR COM 10 ALM
94. le uses BCD controls for the selection lines that are driven from the processor module Figure 7 2 Block Diagram of Downconverter Band Low noise Low pass Filter amplifier Mixer Amplifier filter RF Input Local Amplifier Low pass oscillator filter 7 1 3 Four Channel Input Tuner Module The four channel input tuner module is based on solid state technology for commercial applications support using a common tuner module Embedded in this module are capabilities for 10 MHz and 20 MHz filtering The 10 MHz filtering is to support DVB T signals and the 20 MHz filtering is used to support LMS T signals The tuner module translates the UHF frequency of the tuners 110 to 860 MHz to IF frequencies of either 70 MHz or 36 2 MHz The tuner produces 70 MHz core for LMS T or 36 2 MHz for DVB T which is digitally down sampled into the Maximal Ratio Combining MaxRC cores within the COFDM diversity module Automatic gain control AGC is integrated in to the tuner module providing approximately 65 dB of dynamic range DRS4000 Receiver User and Technical Manual Theory of Operation 7 3 7 1 4 COFDM DiversityModule The COFDM Diversity Module contains the Coded Orthogonal Frequency Division Multiplexing COFDM demodulation and diversity reception circuitry The IF signal is processed by the main demodulator integrated circuits ICs The COFDM demodulator automatically detects the key parameters of the incoming signal via th
95. led 2 Select the first item to open the Camera Control Enable menu 3 Select Enabled This returns you to the previous menu but now several items are active 4 Select Camera Type to open the Camera Control Enable menu Select either the Thomson Sony or Ikgami camera This returns you to the previous menu DRS4000 Receiver User and Technical Manual Routine Operation 3 31 Figure 3 37 Camera Menu Camera Control Enable Camera Control Disabled Camera Type Thomson Camera Control Freq 450000 KHz UHF Transmit Power 1 50 W Option Cmd 00000000000000 5 Select Camera Control Freq to open the Camera Control Frequency screen The default value is 450 000 KHz 450 MHz and the valid range is from 450 000 to 470 000 KHz 6 Use the up down arrow keys to change the value of a digit excluding the leftmost digit Use the left right arrow keys to move to another digit Press OK to save the setting and return to the Camera Control menu T Select UHF Transmit Power to open the Camera UHF Power screen The default value is 1 5 W and the valid range is from 0 1 to 2 0 W 8 Use the up down arrow keys to change the value of a digit excluding the leftmost digit Use the left right arrow keys to move to another digit Press OK to save the setting and return to the Camera Control menu 9 Do not select Option Cmd This item is for future use and has no current function 3 10 Operating the Receiver Remotely If the
96. llows you to install firmware updates from MRC via a flash drive The RJ 45 ETHERNET connector allows you to connect the receiver to a computer and use the DRS4000 web browser interface to control the receiver The VIDEO MONITOR provides a live view of the video signal With the spectrum viewer option installed the monitor also displays the RF spectrum as an overlay to the video picture The Control Screen reports real time data for the video signal and shows current RF settings DRS4000 Receiver User and Technical Manual Routine Operation 3 1 Figure 3 1 DRS4000 Front and Rear Panels Y JW Y la ETHERNET MONITOR COMMUNICATIONS SN UA 2 DRSA000 NA E e IA oe O E NEZ 6 Ende ALARM GEN LOCK RS 232 CNTRL E N AC IN 100120200240 EN EN vem LY WW Blank Panel lt 4 NS ASIOUT ASIIN A C ES S 0 A 8 8 CTRUMONS CTRUMONG 70 MHz IN AUDIO1 AUDIO2 AUDIOS AUDIO4 AES1 AES2 POWER Blank panel is standard Packet or SCM panel is optional ASIOUT 3 A MSS 70 MHz IN 9 AA e DRS4000 Receiver User and Technical Manual Routine Operation The Keypad consists of easy to use push buttons that give access to all system parameters and settings 3 3 Rear Panel Connectors The rear panel contains the connectors for power diversity inputs and outputs audio output
97. multiplexer 3 Use the up down arrow keys to change the value of each character and the left right arrow keys to move from character to character 4 Press OK to save the setting DRS4000 Receiver User and Technical Manual Routine Operation 3 23 3 9 3 Using the Factory Setup Menu Prior to shipment MRC configures each receiver to operate with a predefined suite of settings or to customized settings The Factory Setup Menu available from the Setup Menu is primarily for use by MRC Technical Support personnel If however you replace a component or change the configuration in any way you need to reset or recalibrate certain settings To change the factory settings follow these steps 1 Select Setup from the control screen to open the Setup menu 2 Select Factory Setup to open the menu shown in Figure 3 26 Note When viewing the PDF file for this manual click on any of the following menu options to jump to the section that describes that option Figure 3 26 Factory Setup Menu Factory Setup Menu BDC Type and Band Control BDC Power RCL Calibration Upgrade Firmware EEPROM Initialization Edit Custom Plan Upgrade Tuner Factory Test Selecting the BDC Type Depending on the RF band in which you must operate you need to identify the type of BDCs installed Follow these steps T Select the BDC Type and Band Control option from the Factory Setup Menu to display a menu of downconverter types as show
98. n in Figure 3 27 Figure 3 27 BDC Type and Band Control Menu BDC Type Link MRC LNB MRC ODU Current BDC L3033 2 Determine the model number of the downconverters that ares connected to the receiver and select the appropriate menu option This displays a list 3 Select your model number This returns you to the Factory Setup menu All downconverters connected to the receiver must come from the same manufacturer and be of the same frequency range Do not mix manufacturers or frequencies Improper voltage from the receiver could damage the BDC CAUTION DRS4000 Receiver User and Technical Manual Routine Operation 3 24 Setting BDC Power At the factory power is set to On for all BDCs To set power on or off for each BDC follow these steps 1 Select the BDC Power option from the Factory Setup Menu A confirmation box displays telling you to make sure the correct BDC is selected because improper voltage could damage the BDC 2 Press OK to continue or Back to select a different BDC type If you press OK the menu shown in Figure 3 28 displays With this menu you can set power On or Off for all BDCs or for individual ones Figure 3 28 BDC Power Settings Menu BDC Power Settings Global All On BDC 1 On BDC 2 On BDC 3 On BDC 4 On BDC 5 n a BDC 6 n a 3 For Global select All Off All On or Individual 4 If you select All On or All Off press OK to save the setting which wil
99. ncoming signal and control settings such as channel frequency and RF band The firmware also provides a web browser interface that you can access via a web browser on any PC or laptop computer as long as both the DRS4000 Receiver and the computer are connected to the same Local Area Network LAN You can also access the web browser interface via a direct Ethernet connection To learn about this utility refer to Chapter 3 2 6 Frequency Bands The DRS4000 Receiver can operate in one of several factory programmed frequency bands You can select the band via the front control screen or via a master controller interface at the studio or command center MRC offers a range of block downconverters and antennas designed for each frequency range The downconverters transform the incoming RF signal to a 110 to 860 MHz VHF UHF signal while the DRS4000 Receiver is capable of accepting a signal in the range of 70 to 860 MHz The following frequency bands are supported e 2GHz e 3 GHz non U S e 5 GHz e 7 GHz e 1 9 to 2 5 GHz 6 4 to 7 1 GHz dual band support option DRS4000 Receiver User and Technical Manual Product Description 2 4 2 Standard High Definition MPEG Decoding The DRS4000 Receiver incorporates a Standard Definition SD MPEG decoder High Definition HD decoding is an option The SD decoder includes the following features 42 2 or 4 2 0 chroma support e NTSC or PAL color television standard compliance with
100. nd 8 MHz COFDM DVB T pedestals and 10 and 20 MHz COFDM LMS T pedestals Internal web server for remote management via any networked computer Controlling configuring a remote camera Compatible with MRC and Link Research low noise block downconverters see Section 2 11 1 on page 2 5 Interfaces with MRC CodeRunner4 and MRX4000 Plus products at the 70 MHz IF level Spectrum viewer option that overlays the video signal with an RF spectrum future option DRS4000 Receiver User and Technical Manual Product Description 2 2 Figure 2 1 DRS4000 Receiver Typical 4 Input SD Configuration High Gain BDC Support BDC Support Steerable 2 3 5 or 7 GHz 2 3 5 or 7 GHz E Sector RX Antennas T Independent Receive Sites Pole Mounted or Filter Angle Bracket UltraScan II BDC Mounted BDC Package Filter BDC LMS T amp DVB T Demodulation Band Control J Support with Band Control Optional SCM UHF Input Co Demodulation for one 18 5V DC i antenna Input Out UHF Input 18 5V DC Out i I I i DRS4000 l MRC CodeRunner 4 L T V i l CR4 Receiver a I Dual ASI Outputs I MRX4000 To Backhaul or L2014 s uidens Network Control S SDI I itori utputs ASI amp Monitoring SD Video eee Output SD amp HD I Com to Backhaul i Audio Low Delay SD Video Audio Outp
101. nd BCDs are connected Refer to Figure 5 1 on page 5 5 for connections details 3 Connect a spare UHF cable from each BCD to an BCD connector at the rear of the receiver For example for a four antenna system use the BCD1 BCD2 BCD3 and BCD4 connectors DRS4000 Receiver User and Technical Manual Installation 5 4 Figure 5 1 Testing the Antennas O A Test Transmitter Antenna 1 RF Cable BDC 1 DRS4000 UHF cable 4 Set up a test transmitter near the receive antennas Power it up and set it to standby mode 5 Configure the transmitter for the settings you typically use and record them for use with the receiver RF Band 2 or 7 GHz Channel Modulation mode DVB T LMS T or SCM Modulation type QPSK 16QAM or 32QAM Bandwidth 6 MHz or Auto Guard interval 1 32 1 16 1 8 or 1 4 SD or HD decoding Video line standard Audio Analog or Digital 6 Power up the receiver and use the Setup menu to configure it to the same settings as for the transmitter Refer to Chapter 3 Using the Setup Menu of the DRS4000 Receiver Operator s Guide for details T For the receiver also verify the Factory Setup menu Make sure that the Number of Inputs and BCD Type are correctly set for your configuration 8 Set the transmitter to Low Power Transmit mode 9 Verify that the control screen on the receiver displays a receive carrier level RCL signal to noise ratio SNR and Link Quality r
102. nd menu display only 2 Press OK to return to the control screen Note To change the RF band you must install a different set of BDCs and identify them via the Factory Menu see Section 3 9 3 on page 3 24 Mode Follow these steps 1 Select Mode to open the menu shown in Figure 3 7 Figure 3 7 Change Modulation Mode Menu Change Modulation Mode DVB T LMS T 10 MHz LMS T 20 MHz 2 Select the desired mode for the demodulator and press OK to save this setting Modulation Type Mod This read only setting displays the modulation type of the transmitter either QPSK most robust 16QAM or 32QAM least robust Bandwidth BW This read only setting displays the bandwidth of the signal pedestal For DVB T mode the setting is either 6 MHz most robust 7 MHz 8 MHz least robust or Auto For LMS T mode the setting is 10 MHz or 20 MHz Forward Error Correction FEC This read only setting displays the forward error correction calculated in the receiver Possible readings are 7 8 most robust 5 6 3 4 2 3 or 1 2 least robust DRS4000 Receiver User and Technical Manual Routine Operation 3 9 Guard Interval GII This read only setting displays the guard interval for the COFDM pedestal Values can be either 1 32 least robust 1 16 1 8 or 1 4 most robust and press OK to save this setting Video Follow these steps 1 Select Video to open the Change Decoder Mode menu 2 Choose SD PAL
103. next switch 3 Press OK to save the changes DRS4000 Receiver User and Technical Manual Routine Operation 3 9 2 Configuring Packet Switching The following information describes Packet Switching an optional feature The DRS4000 Receiver incorporates a four input decoder for four input diversity and remuxing applications The decoder accepts standard 270 MHz ASI streams operating in either burst or packet mode and can decode signals from all Link encoders giving ultra low delay The decoder is compatible with most other encoders with some restrictions B Frames and field encoding are not accepted The unique diversity feature automatically selects the best signal from the receiver s four inputs Outputs include SD with embedded audio You can operate the decoder in the following ways As a four channel diversity decoder Asaremux system remuxing four channels onto one ASI stream In all modes of operation only one service can be decoded To set up packet switching for the receiver follow these steps jn Select Packet Switch Configuration option from the Setup menu to open the menu shown in Figure 3 22 Use these options to configure the decoder Figure 3 22 Packet Switch Config Menu Packet Switch Config Unit Mode ASI Mode Default Service Name ASI Bit Rate Unit Mode 1 Select this option to open the menu shown in Figure 3 23 Figure 3 23 Packet Switch Unit Mode Menu Packet Switch Unit
104. omer Technical Support deleting aaa doshas So 3 30 ISIE DNONG e ata S ex eee OR A ob bk Oars 1 3 loadi 3 30 MRC Customer Service p nee ing mon 9 03 3 3 3 5 3 3 3 29 business hours 2a vui eR ien bed sidad 1 2 ESA E TE EE E j DRS4000 Receiver User and Technical Manual Index 3 Processor module 000eeeeeeee 7 4 Site Proprietary notice Notices i preparing ie esse asse bo ald die Pr dee n 5 2 Site management controls 3 20 RCL Society of Broadcast Engineers A 1 e Specifications o a s auc semone i 8 Dok a PME OC ao Rare 3 25 o AN 5 1 eg tel ARA ARA RE x Spectrum overlay 0 00 cee eee eee 3 18 MS ee ee ee es Standard definition ooooooooooo oo 2 2 Regions of control SOOO corriera ire e 3 5 Standard Definition SD 2 5 2 6 a donee iode db 3 32 Symbols Used ooooooooooooooo o Notices ii Repairs System architecture 2 20 eee ee eee eee 7 1 SUFHBDOPIBU veg dee ho dcc oa ere ace Oo eae hoes 1 3 T Replacement Parts 00000 ee eeee 6 1 Extemal Cables csm ERE RE Re coe 6 1 Troubleshooting 2 055252 9 e me es Een 4 1 Reporting damage sillllsslllslesln 5 2 U cd Material Authorization Notices iii UHE oUiput ecseseiel daa 7 3 AMOS 2 mier arde ae 2 4 RF Filter options 0 cccceeeeeee eee 2 6 Se Ne SAR EE 2a RF s
105. ompatible with NTSC or PAL Not signal supported by this product S W or SW Software SER Symbol Error Rate SYNTH Synthesizer Setpt Set point T1 1 544 Mbps data rate SFN Single Frequency Network TC Transmitter Control SG Signal Ground TCP IP Transmission Control Protocol Internet Protocol SI Service Information Simplex A channel capable of transmitting information in only A set of protocols developed in the 1970s for the one direction ee used to get data from one network device to Site ID A physical location where any number of modems adis TE transmitters or receivers are installed TCU Transmitter Control Unit SMPTE Society of Motion Picture and Television Engineers TD Transmit Data SNR Signal to Noise Ratio TFT Thin film transistor a type of LCD flat panel display Spectral A phenomenon that occurs if a signal of limited TSL Transmitter to Studio Link regrowth bandwidth is passed through an odd order nonlinear TX Transmitter circuit In this case the output spectrum is wider than TXU Transmitter Unit the input spectrum and may interfere with signals on adjacent frequencies USB Universal Serial Bus A serial connection that allows transfer rates of 480 SR16 Symbol Rate 16 Mbps for USB 2 0 and a 12 Mbps transfer rate for the STDBY Standby older USB 1 x version STL Studio to Transmitter Link VAC Volts Alternating Current Subcarrier An electromagnetic signal that is used as a medium VCO Voltage Controlled Oscillator for placing an information c
106. oss a local area network LAN or the Internet IRD Integrated Receiver Decoder IRE 1 Institute of Radio Engineers an international professional radio engineering association that establishes various standards 2 A unit of measurement established by the IRE in which 1 IRE Unit 2 00714 volts peak to peak Vp p and 140 IRE units equals 1 Vp p ISI Inter Symbol Interference ISO International Standards Organization Kbps Kilobits per second KHz Kilo 1 000 Hz LAN Local Area Network LBO Line Build Out LCD Liquid Crystal Display Lcl Local LED Light Emitting Diode LIU Line Interface Unit LMS T Link amp Modulation System Terrestrial A proprietary algorithm system for modulation LNA Low Noise Amplifier LNB Low Noise Block Downconverter LNC Low Noise Converter LO Local Oscillator QuikVue HS Receiver User and Technical Manual Glossary B 5 Table B 1 Useful Terms Continued Table B 1 Useful Terms Continued LOS Loss of Signal LPF Low Pass Filter LQ Link Quality MAC The Media Access Control MAC address is a Address unique identification number for a network device on a local area network LAN or other network This number a physical address such as 00 A1 B2 C3 D4 5F is stored in the device s network adapter and is used to acquire an IP address for the device MaxRC Maximal Ratio Combining Mbps Mega
107. our antenna inputs in any order that is needed at your site For example suppose that four sector scan antennas are installed on the corners of a tower and randomly connected to the DRS4000 Receiver at connectors BCD1 to BDC4 During testing you identified the antennas as shown in the Initial Input column of Table 3 1 If you need the vertical color bars on the control screen to display the north east south and west antennas as color bars A to D then use the New Inputs column to help set up the RF Switch Matrix screen Table 3 1 Switching Antenna Inputs BDC Antenna Initial Input New Input BDC 1 South A C BDC 2 West B D BDC 3 North C A BDC 4 East D B To set up the RF Switch Matrix follow these steps 1 Select the RF Switch Matrix and Input Routing option from the Setup Menu to open the RF Switch Matrix screen shown in Figure 3 9 With this screen you can map the antenna inputs connected to BDC DRS4000 Receiver User and Technical Manual Routine Operation 3 12 1 to 4 on the rear panel of the receiver to internal tuners Figure 3 9 RF Switch Matrix Screen RF Switch Matrix Decoder Input COFDM IF Source BDC 1 BDC 1 Input A BDC 2 Input B BDC 3 Input C BDC 4 Input D 2 For Decoder Input select COFDM or ASI 3 For IF Source select BDC 1 or External If you select External then the BDC 1 item name changes to External This also places the receiver in 70 MHz
108. over A Category 5 CAT5 network cable used to connect added on the transmit side cable two computers The cable crosses over reverses DFT Discrete Fourier Transform pins 1 and 3 and pins 2 and 6 of the cable s RJ 45 connectors The transmitter TX pins are therefore DHCP Dynamic Host Configuration Protocol connected to the corresponding receiver RX pins plus to plus and minus to minus A ed is Pa configuration of CSI Channel State Information DMUX iens ame a emultiplexer CV Composite Video DEMUX Video signal in which the chrominance color and DQPSK Differential Quadrature Quaternary Phase Shift luminance brightness information are combined in Keying one signal S Video separates the chrominance and DRL Data Return Link luminance into individual signals CW Carrier Wave QuikVue HS Receiver User and Technical Manual Glossary B 3 Table B 1 Useful Terms Continued Table B 1 Useful Terms Continued DS3 Digital Signal 3 EMC Electromagnetic compatibility Emphasis Boosting the amplitude of high frequency 44 736 Mbps data rate components of an analog audio signal Done on the DTE Data Terminal Equipment transmit side of an analog link to improve signal to noise ratio A device that communicates with a DCE device In ENG Electronic News Gathering practical terms the DTE is usually a computer and
109. ower supply accepts a range of AC input voltages from 105 to 260 VAC at 50 to 60 Hz The power supply provides the DC voltages required by the rest of the receiver s hardware Typical output voltages are 24 VDC 5 VDC 12 VDC and 12 VDC The AC receptacle is protected by a pair of 2 amp fuses 7 1 9 Packet Based Switch Module The Packet Based Module is an option that can select the best signal from four ASI inputs with the same content and generate the best possible ASI stream on two outputs It can be used to gang multiple receive sites together using a cellular diversity technique at the ASI level The ASI output stream bitrate is adjustable up to 40 Mbps The Packet Based Module can also decode the ASI stream if it is in an SD format The ability to decode an HD signal is not provided Individual channels can also be remuxed Note When remultiplexing ASI signals it is essential that each encoded service has a unique Program Identification PID The unit does not dynamically re allocate PID values DRS4000 Receiver User and Technical Manual Theory of Operation 7 5 This page intentionally left blank DRS4000 Receiver User and Technical Manual Theory of Operation 7 6 A Channels and Frequencies A 1 Appendix Overview This appendix describes the channels and frequencies that were programmed into your DRS4000 Receiver at the factory It also provides details about the 2 GHz Relocation Project affecting Bro
110. ownconverter Options 2 5 Waste Electrical and Electronic Equipment ii HD Decoding Upgrade 2 6 Eines Pee E bs a a A ID a Antenna Options 2 6 ope DII NND RF Filter Options 2 6 Product Manufactured by MRC i E M b Products Manufactured By Others iv Deor fion Options Cds dra ee sus 2 7 ai Eo P di dct icis O Miis i a SCM Single Input Demodulation Support 2 7 O O AAA tpm heme cro m E Packet Switching Option 2 7 Chapter OVEIVIGW a SSmi adeps e a e 1 1 Routine Operation 3 1 How to Use This Manual 1 1 Chapter Overview 3 4 MUR NU UE AMA A TRE e Front Panel Displays and Connectors 3 1 iu rion RISE CE KC M d E i5 Rear Panel Connectors 3 3 Se oou LR ten M RM MEE DIVERSITY Connectors 3 3 Related Documents 1 2 PACKET Connectors 3 4 Ordering Documentation 1 2 SCM Connectors 3 4 Calling for Parts or Service 1 3 Other Connectors 3 4 SUPPONGA REPAIS ee aA RE A iss Powering the Receiver 3 5 Tell Us What You Think 1 4 Powering Up sssssdesas pecus Me su EE 3 5 Product Description A te AU RIA S foe aide
111. plorer amp are registered trademarks of Microsoft Corporation in the United States and or other countries Firefox amp is a registered trademark of the Mozilla Foundation Safari amp is a trademark of Apple Inc registered in the U S and other countries Proprietary Material The information and design contained within this manual was originated by and is the property of Microwave Radio Communications Microwave Radio Communications reserves all patent proprietary design manufacturing reproduction use and sales rights thereto and to any articles disclosed therein except to the extent rights are expressly granted to others The foregoing does not apply to vendor proprietary parts Microwave Radio Communications has made every effort to ensure the accuracy of the material contained in this manual at the time of printing As specifications equipment and this manual are subject to change without notice Microwave Radio Communications assumes no responsibility or liability whatsoever for any errors or inaccuracies that may appear in this manual or for any decisions based on its use This manual is supplied for information purposes only and should not be construed as a commitment by Microwave Radio Communications Quality Certification Microwave Radio Communications is certified to ISO 9001 2000 Authorized EU representative Vislink PLC DRS4000 Receiver User and Technical Manual Notices i Conventions Pay special attent
112. ported e MRC 908149 LNB 1 99 to 2 5 GHz e MRC 908149 LNB 3 4 to 3 8 GHz MRC Outdoor Unit This module contains an MRC 908144 LNB Multi point Microwave Distribution System MMDS also known as Multi channel Multi point Distribution System lightning protection Personal Communications Service PCS filter and other electronics in a weatherproof box Input range is 1 99 to 2 5 GHz 2 11 2 HD Decoding Upgrade The DRS4000 base models include an SD MPEG decoder as described in Section 2 7 on page 2 5 The HD option includes the following features 42 2 or 4 2 0 chroma support e HD SDI Output e Four analog audio channels e AES EBU digital audio ASI output 2 11 3 Antenna Options To take advantage of diversity combining you need to select either 2 or 4 antennas MRC works with you to select the proper antennas for your receive site including your legacy antennas where feasible The following types of antennas are available Omnidirectional These antennas are vertically polarized and nonsteerable Models include the Omni Directional Antenna and OmniPole Antenna e Sector Scan These antennas include fixed position antennas such as sector panels Models include SectorScan e Steerable pan only These antennas offer full 360 degree rotation in azimuth Models include ProScan and UltraScan DR e Steerable pan and tilt These antennas offer full rotation in azimuth as well as tilt elevation control Models incl
113. ptions contained in your DRS4000 Receiver which appear on the control panel To access this information Go to the Hardware Configuration screen as follows From the control panel select SETUP and then select Hardware Configuration Press OK to display the next screen which lists all installed hardware and software components and revision levels DRS4000 Receiver User and Technical Manual Introduction 1 2 1 8 Calling for Parts or Service MRC Technical Support is available 24 hours a day 7 days a week During regular business hours you can reach our expert staff directly Business Hours Monday Friday 8 00 AM 7 00PM Eastern Time US 0800 1900 hrs US ET Telephone 800 490 5700 Press 4 1 978 671 5700 Press 4 Fax 1 978 671 5948 E mail support mrcbroadcast com After regular business hours and on weekends and holidays you can also reach our expert staff as follows Telephone 1 978 671 5929 Your call will be automatically forwarded to the on call Technical Support specialist When contacting Technical Support please have the following information available e Model number and serial number of the unit This is located on a label on the bottom of each unit e Approximate purchase date Firmware revisions depending upon the options contained in your DRS4000 Receiver which appear on the control panel To access this information Go to the Hardware Configuration screen as follows
114. rganized into the following categories video audio and general system For each component a problem cause action table states one or more possible causes For each possible cause the table provides one or more suggested actions that you can use Perform the suggested actions until you either fix the problem or determine that you need technical support from MRC The following troubleshooting topics are discussed Whenever the suggested action requires more than a few steps a link takes you to a separate procedure Topic Page Video Problems 4 2 Audio Problems 4 5 General System Problems 4 6 DRS4000 Receiver User and Technical Manual Troubleshooting 4 1 4 2 Video Problems The following table describes video problems Table 4 1 Video Problems Problem Possible Cause Suggested Actions No video Loose or disconnected UHF cables at receiver Loose cable at camera or transmitter Receiver set to the wrong RF band channel or other setting Wrong preset is selected All the antennas or BDCs are disconnected or damaged UHF cables connected to BDC5 or BDC6 connector Verify that all UHF cables are securely fastened to BDC connectors at rear of receiver Verify that all camera and transmitter cables are securely fastened Verify the transmitter s settings and compare them to the receiver s settings Correct any settings as needed See Section 3 8 on page 3 8
115. rk address o oooooooooooo 3 13 M OS gt cesa va cursa Eee Notices ii Manual O how organized see RR RE RR om ERE 1 2 Operating remotely oooooooooooo 3 32 how I USB secarse vrai 1 1 Options topics covered coco 1 1 decryption ia dhe ee be aS ok AE ans So 2 7 n A P 2 2 downconverter Lo 2 5 Memory MOUN NG ERR 2 6 ESSUING sesos ek E EUG ERA RR ees 3 26 eje T 2 7 Menu RF TIO escorts dara 2 6 ODUONS a sporea aa adi da 3 31 Options Menu iaa id aaa 3 31 A CIO 3 29 Ordering documents ibi 1 2 Setup cu sc zc Ra De wow An de hee ah ah gw rad 3 11 P elis Dope tbid qu 4 Packet connectors 000000 eee 3 4 5 14 ci M 5 3 Moni Packet Based Switch Module 7 5 onitor Pedestals supported o ooooooooooomo ooo 2 2 moro I 3 8 PID 3 47 Mounting Options nee RR RR RR E Raldos med 2 6 PR M zu JE I Power options 444522 94 9 9 39 Rcx ede cie n Rc vee 2 7 MPEG mec O A E a a o ei 2 5 2 6 P Sunni 5 3 MPEG decoder module oo ooocooooooo 7 4 Sa Mit EN A A See e MPEG decoding see 22 wild x MAX Eee yeaa ia se 5 MRC Powering GOWN 3 5 Customer Service ic sesso RR RR ees 1 2 po de a te AS 2 Preparing the SIEG sceso os ep E nese dee oe ate e 5 2 A bere emt epee inset oe ane a 1 2 p t telephone MCCC Pm 1 2 i A AA Seo tee Ee eee atin ed 3 29 Cust
116. rs 2 5 Configuring audio video 3 oi eb ceded eser cm e 3 16 o AAA 3 13 COMNECIONS PP 3 3 or M 3 3 packet ud niu ded SEER EE EKER KOE E 3 4 5 14 SUM O ce eee ee oe IX 3 4 Control panel cogo Tem 3 8 Control screen data status region 0000005 3 6 ixl sata tact ere mew dede 3 6 E 3 5 A arabice RR eA Sed ts Bes 3 6 menu buttons region 4 3 7 SUIS 3 5 3 6 RF settings region 2 ccce 3 6 signal displays region 3 6 3 10 Control screen keypad 2222005 3 7 CONVENTIONS iu x ica cae kk e CR RR amo Notices ii COR VMN uu Sais ace ded da E Se Seu een ed Notices i Customizing Dane planis xau iii di 3 27 DRS4000 Receiver User and Technical Manual Index 1 D Frequency bands 2a rr 2 4 Front panel 2 4 59 ox mcr xot ao aac ib t ce 3 3 Page zt NORMEN OURINNNINREUNOME Notices i di a E CE e ee 2 7 Danger cui ux wii whan dob d ded Rai dc Notices ii G Deco IBI s ang cs esp o Gu RO ca 2 5 2 6 2c PIE 7 4 E AA pe iet EREA a B 1 Decryption options ua osx aaa aaae 2 7 Ground Default gateway ooooooooommmomm 3 14 o atoni eei a a aa ae ua Notices ii Demodulator switch ooooooooooo 3 19 Frame or Chassis Notices ii Diversity connectors e uba rodas EE ERES ous 3 3 Protective EST copie n Notices ii Documents Grounding um eh rb eto ke Em EROR pce 5 4 OTERO cs
117. s For each space the available characters are A to Z a to z 1 to 0 and punctuation in that order 4 Press and hold the up or down arrow key to rapidly scroll through the character list Press the right arrow to move to the next character 5 Press OK to save the new license code 6 At the confirmation screen press OK to confirm or press Back to cancel Pressing OK returns you to the Options Menu 3 9 6 Using the Camera Menu Note This menu is not yet implemented You can examine the menu options and values but they have no effect on any remote cameras If you obtained a Link camera control system you can use the DRS4000 Receiver to control the Link wireless CCU interface Additional equipment is required such as a UHF transmitter and Operator Control Panel OCP configured with the receiver and a UHF receiver mounted on the camera This Camera menu allows an operator usually working at a portable studio near the remote camera crew to set up the receiver so it can transmit commands via a UHF transmitter to a specific remote camera The commands which emanate from the OPC module connected the receiver control certain camera features that would be difficult for the camera operator to adjust during a live shoot To use the Camera menu follow these steps 1 Select the Camera button from the control screen This opens the menu shown in Figure 3 37 Notice that only the first item is active and is set to Disab
118. s and networking If the packet switching subsystem is installed the blank panel is replaced by the PACKET connector panel If the SCM subsystem is installed the blank panel is replaced by the SCM connector panel Figure 3 1 on page 3 2 shows the layout of the rear panel For more details refer to the Installation chapter of the DRS4000 Receiver Technical Reference Manual The rear panel provides numerous inputs to and outputs from the receiver These inputs and outputs can be grouped as follows 3 3 1 DIVERSITY Connectors The following connectors provide inputs and outputs for the optional diversity subsystem CNTLIMON 1 to CTRLIMON 6 The Control Monitor connectors are 5 pin Lemo sockets that provide control inputs and monitor outputs for the adjacent downconverter For example CTRL MON 4 controls and monitors BDC 4 BDC 1 to BDC 6 The Block Downconverter BDC connectors are 50 ohm TNC connectors that accept the UHF signals from the downconverters and their corresponding antennas To power each downconverter 20 VDC is applied to the coaxial cable that runs from the BDC connector to the downconverter CV 1 CV 2 The Composite Video CV connectors are 75 ohm female BNC connectors that output an analog video signal WAYSIDE DATA This RS 232 9 pin female connector is the wayside channel used for transfer of data such as global positioning satellite GPS data or meta data from the MPEG decoder By using a standard RS 232
119. se all presets from memory by using this feature which affects only the stored presets and RCL calibrations CAUTION This feature erases from memory all the presets you have set up It also erases the RCL calibrations you performed so you may want to record those settings first If you need to restore the presets after erasing memory you should first manually record the name and settings for each one then recreate them via the Presets menu as described in Section 3 9 4 on page 3 29 DRS4000 Receiver User and Technical Manual Routine Operation 3 26 To initialize memory follow these steps 1 Select EEPROM Initialization from the Factory Setup Menu 2 Read the instructions on the screen press OK to continue and press OK to complete the procedure 3 Press OK to return to the Factory Setup Menu Editing a Custom Band Plan This feature allows non U S users to customize the frequencies assigned to each channel in the 2 3 5 or 7 GHz channel plans For each channel you can specify a unique frequency for the minus offset center frequency 0 and plus offset After customizing all frequencies you can activate them via the Change Channel menu This feature is password protected and the initial password is 0000 For security reasons your IT staff should reset the password as soon as possible after installation to prevent unauthorized changes to the channel plans Note The initial values for each channel
120. t is good practice to allow 1 RU 1 75 inches or 4 45 cm of space between each component You can fill those spaces with optional grillwork instead of blank panels Moisture Locate the equipment in an area protected from dripping water or excessive humidity WARNING Indoor equipment is not designed to withstand water or moisture If water does penetrate the chassis it could cause equipment damage and or create a safety hazard Cabling MRC recommends the following general practices be performed at all installations Secure all cables at close intervals along their entire lengths Protect cabling with added sheathing or padding anywhere cabling passes through a hole or lies against an obstruction Provide flex relief at any location where the cable must change direction sharply to maintain a smooth bend and prevent kinking Provide strain relief at each connector to absorb any pulling forces on the cable and prevent damage to the connector Power Supply Check the onsite electrical supply to be sure it can provide all the power needed at the site without overloading Power ratings for equipment can be found on a rating plate usually on the rear panel If necessary consult a licensed electrician DRS4000 Receiver User and Technical Manual Installation 5 3 CAUTION Be sure the power being supplied matches the power required by the equipment CAUTION Power supply cords and cables must be protected Do
121. tal MPEG ASI bit rate wayside baud rate chroma delay mode BISSkey ID video type audio type audio mode video condition w o pedestal locked audio condition bit rate locked CONNECTIONS Packet ASI Output 2 s cated ake ee edes 75 Ohm BNC Female SI OUIDDUL 545 O 75 Ohm BNC Female ASI Input 4 2 usd epu ed onec eros 75 Ohm BNC Female pius A EE DB 9 Female MaxRC Diversity BDC Input 41 5 oma T etant ede ees Sie 50 Ohm TNC Composite Video Output 2 75 Ohm BNC Female SDI Output SD sos etii CSS 75 Ohm BNC Female SDI Output HD 3 iet ERIS eR 75 Ohm BNC Female HD Monitor Output 75 Ohm BNC Female Frame LOCK ote coca adora dE M wa 75 Ohm BNC Female PON Inp l serious Pie EROR REDE 75 Ohm BNC Female Audio Output 4 oie eka Racer crie io ee eter ed mini XLR Optical Fiber Ports 4 cla elm Optional S942 dd sd pe PL DB 9 Female SUI As cta deti a Lo RR a Rede GU DB 9 Female Network System Control 000 000 RJ45 USB DRS4000 Receiver User and Technical Manual Specifications C 3 This page intentionally left blank DRS4000 Receiver User and Technical Manual Specifications C 4 D Maximal Ratio Combining D 1 Appendix Overview This section provides a general overview of the Maximal Ratio Combining MaxRC diversity implemented within the DRS4000 Receiver D 2 Antenna Correlation For spatial diversity one key assumption is that the receive antennas
122. ude MicroScan and Ellipse DR 2 11 4 RF Filter Options The following RF filters are available as options for mounting on the foregoing blockdown converters e PCS MNDS filter e BAS relocation filter 2 11 5 Mounting Options The DRS4000 Receiver is designed to mount in a standard EIA 19 inch rack making it suitable for fixed mounting at a receive site or for portable mounting in a vehicle Only 2 rack units RU of height are required 2 11 6 Power Options A voltage auto sense feature detects input voltage which can be 100 to 260 VAC at 50 to 60 Hz A 3 prong power cable is included DRS4000 Receiver User and Technical Manual Product Description 2 6 The rear power connector includes a removable fuse holder with a pair of 2 amp glass fuses The DRS4000 Receiver does not currently support DC input 2 11 7 Decryption Options The receiver supports the Basic Interoperable Scrambling System BISS and the Advanced Encryption Standard AES e BISS 1 e BISS E e AES 128 bit 2 11 8 SCM Single Input Demodulation Support The receiver supports the MTX5000 Single Carrier Modem SCM functionality 2 11 9 Packet Switching Option The packet switching option enables the addition of feature rich enhancements including cellular diversity hubs and support for existing central receivers through an ASI interface DRS4000 Receiver User and Technical Manual Product Description 2 7 This page intentionally left blank
123. up and powering down If the receiver is installed at an unattended central receive site then it typically stays powered up for extended periods of time 3 4 1 Powering Up To power up the receiver follow these steps 1 Verify that the power cable is connected to the power connector on the rear panel of the DRS4000 Receiver and is connected to an AC power source 2 Verify that all other cables are properly connected to the receiver s rear panel connectors 3 Verify that the AC power source is turned on 4 Set the power switch on the front panel to On 1 The video monitor displays a blank screen and the control screen goes through a power up cycle color bars a product ID screen and finally the initial control screen as shown in Figure 3 2 The settings displayed will be those in effect when the receiver was powered down If there is no incoming signal the RCL SNR and Link Quality meters will display their lowest values 3 4 2 Powering Down To power down the receiver set the power switch on the front panel to Off 0 Figure 3 2 Initial Control Screen DR54000 M 8 Norm Preset None Selected COFDM Lock 9 Vid Lock 9 SNR dB Link Qual E D Setup Presets Options Camera 3 5 Learning the Regions of the Control Screen The control screen is a 3 5 inch diagonal LCD color monitor that provides access to the receiver and all its functions This screen is the graphical user interface GUI the window into the s
124. ut SDI Output Output M Slave Controller option Filter BDC DRS4000 Receiver User and Technical Manual Product Description 2 3 2 4 Hardware Components A typical installation consists of a receiver antennas low noise block downconverters filters and cables 2 4 1 Receiver The DRS4000 Receiver accepts 2 or 4 antenna inputs and incorporates MaxRC diversity technology COFDM demodulation SD HD MPEG decoding and DVB T and LMS T demodulation modes With a front panel video monitor and control screen the receiver takes up only 2 RU of space in a 19 inch rack The receiver can be operated locally or remotely via a master controller Base models include e DRS4000 4 input receiver with MaxRC SD and LMS T e DRS4000 4 input receiver with MaxRC SD LMS T and ASI Packet Switcher 2 4 2 Antennas MRC offers several types of antennas and several models within some antenna types See Section 2 11 3 on page 2 6 for more information 2 4 3 Low Noise Block Downconverters The DRS4000 Receiver is compatible with several MRC and Link Research downconverters LNBs The downconverters transform the incoming RF signal into UHF for input to the receiver See Section 2 11 1 on page 2 5 for more information 25 Firmware Components The DRS4000 Receiver is controlled by software installed on programmable read only memory PROM You can access this firmware via the front control screen and use it to monitor the i
125. ut port and two HD SDI output ports one is for monitoring and the other is for the standard signal From the MPEG Module an SDI monitor output is run through an SDI composite converter and is used to drive the video monitor on the front panel The decoder module accepts a digital ASI signal from the COFDM diversity board and recovers the compressed video either NTSC or PAL and or audio signals The analog audio outputs are used for four channel audio the digital audio outputs are supported at the 75 ohm layer with multiple embedded AES EBU audio outputs The module is also capable of linear pass thourough mode Additional features provided by the MPEG decoder module include a serial wayside data channel and BISS decryption capabilities 7 1 6 Processor Module The Processor Module is an embedded computer that manages OAM amp P Operations Administration Maintenance and Provisioning functionality within the DRS4000 Receiver The Processor Module receives user input via a keypad on the front panel of the receiver and through a network interface DRS4000 Receiver User and Technical Manual Theory of Operation 7 4 Software running on the Processor Module s microprocessor interprets user commands and relays them to the receiver s internal subsystems Replies to user commands and system status are output via an LCD screen on the front panel of the receiver and through a network interface Connections to other DRS4000 intern
126. ver Cable OB Outside Broadcast ODU Outdoor Unit OFDM Orthogonal Frequency Division Multiplexing OOK On Off Keying PA Power Amplifier PAL Phase Alternation Line Color television standard used in many European countries Provides 625 horizontal lines of resolution Not compatible with NTSC or SECAM QuikVue HS Receiver User and Technical Manual Glossary B 6 Table B 1 Useful Terms Continued Table B 1 Useful Terms Continued PAL M Phase Alternation Line RCL Received Carrier Level Color television standard used in many European The strength of a received RF signal in dBm countries Provides 625 horizontal lines of resolution RCU Receiver Control Unit with 50 lines per field Not compatible with NTSC or R Recel SECAM cvr eceiver PAL N Phase Alternation Line RD Receive Data RDS Radio Data System Color television standard used in many European RF Radio Frequency countries Provides 525 horizontal lines of resolution RF Level RE Power frommhe transmitter with 60 lines per field Not compatible with NTSC or eye OWS i SECAM RFU Radio Frequency Unit PC Personal Computer RMA Return Material Authorization PCR Program Clock Reference RPU Remote Pickup PCS Personal Communication Services for example for R S Reed Solomon cell phones and beepers RSSI Receiver Signal Strength Indicator PER Parity Error Rate R
127. vides options for configuring operating parameters The Presets menu allows you to store a group of settings and quickly recall them for later use The Options menu provides additional features The Camera menu is an optional feature for controlling certain parameters of a broadcast camera operating in wireless mode As a convention Select the XYZ option means press the arrow keys until that option is highlighted then press OK Technical Tip To quickly open the Setup menu if nothing is highlighted press the up arrow until the Setup button is highlighted The following sections explain how to use each menu 3 9 1 Using the Setup Menu The Setup Menu is intended for configuring parameters that need to remain in effect for the long term such as IP address downconverter and filter types and number of inputs With the Setup Menu you can do any of the following tasks e Configure hardware within the receiver Select a downconverter RF band e Select a downconverter Calibrate a downconverter Route a downconverter signal to the appropriate decoder Setup Internet Protocol IP addressing Select audio and video settings e Setup encryption support Turn site management switches on or off e Setup packet switching controls optional e Reset or recalibrate factory settings To perform any of these tasks select the Setup button on the Control Screen This displays the menu show in Figure 3 8 This menu groups the setup featur
128. ynergy Customer Portal You can also install a previous version of firmware should that become necessary To upgrade the firmware follow these steps 1 Install a USB flash drive in your computer 2 Open a web browser and go to the MRC web site http www mrcbroadcast com 3 Select the E Synergy Portal link and enter your user name and password 4 Locate the firmware for this product and download it to the flash drive 5 Remove the flash drive from the computer 6 At the DRS4000 front panel Select Upgrade Firmware from the Factory Setup Menu An information box instructs you to insert the flash drive T Insert the flash drive into the USB connector on the front panel The Firmware Upgrade menu displays one or more versions of firmware 8 Select the version you downloaded For example the firmware may be named Artillery v 2 65 4000 2008 12 25 srec where v_2_65 indicates the version 4000 indicates the DRS model and 2008 12 25 indicates year month and day released The screen will display a series of messages as it installs the firmware The final message Verify complete indicates that the firmware was successfully installed 9 Remove the flash drive power down the receiver wait a few seconds and then power up the receiver 10 Ifthe Preset field on the control panel shows No memory reset the memory as explained in the next section Initializing the EEPROM Initializing the EEPROM You can era

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