User`s Manual
Contents
1. REVISIONS NOTES ONS ECO REV DESCRIPTION DATE APPROVED 1 REFERENCE BOM 780 C0234X3 FOR PART REFERENCE DESIGNATORS REFERENCED AS ON DRAWING AND DESCRIPTIONS G en og NMAL RELEASE queues RIE 2 BAG AND TAG FINAL CABLE ASSEMBLY WITH PART NUMBER 780 C0234X3 USING BEST COMMERCIAL METHOD DRA F E0351X2 x2 CHANGED CONNECTOR P1 05 23 05 A LABLE CONNECTOR WITH REFERENCE DESIGNATION AS SHOWN USING BEST COMMERCIAL METHOD EO351X5 X3 REVERSED POWER amp GND CONNECTIONS ONIF2 08 29 05 ASSEMBLED CABLE Ap e e PLA SLV1 CNT1 WIRING DIAGRAM Z 4 wi T 3 2 1 12 gt TOLERANCES ENG TECH DWG TITLE UNLESS OTHERWISE SPECIFIED COBHAM DIMENSIONS MEIN INGLES PRAWN RIE GMS Products ASSY CABLE POWER MSR LINEAR ENG SIZE DATE DWG NO REV X X 0 5 PROD B 05 05 05 100 C0234X3 x3 X XX 0 125 X XXX 0 020 ac SCALE NONE SHEET 10F2 100 M0061X5C 40 of 43 _ _____ Appendix B Cable Power MSR Pigtail REVISIONS NOTES ECO REV DESCRIPTION DATE APPROVED 1 REFERENCE BOM 780 C0242X1 FOR PART REFERENCE DESIGNATORS REFERENCED AS ON DRAWING AND DESCRIPTIONS E0351X2 x1 INITIAL RELEASE 05 23 05 RJE 2 BAG AND TAG FINAL CABLE ASSEMBLY WITH PART NUMBER 780 C0242X1 USING BEST COMMERCIAL METHOD A LABLE CONNECTOR WITH REFERE2. fe DECODER Supply MDT 7 Km Ca Video Source RECEI VER DEMOD VIDEO MONITOR COMPUTER POWER SUPPLY 12VDC NOM 473 051 Figure 3 System Configuration two channels e Install Omni directional antennas onto the MDT RF output port Install antennas on Remote BDC RF input port and local BDC e Attach the MDT breakout cable DB 44 end to the MDT unit e Attach a RF cable from the BDC output port to MSR IF of RX Demod card e Attach a composite video source to MDT BNC video input cable that is located on the MDT breakout cable e Attach a video cable from one of the BNC video output ports on the Decoder to a video monitor e Apply 12 Vdc to the MDT unit using the red 12 V and black ground wires from the MDT breakout cable NOTE The power supply used needs to be able to provide at least 1 Amp of current at a nominal 12 VDC input 100 M0061X5C 8 of 43 www cobham com gms e Apply 12Vdc to the MSR pins 1 12 V and 2 ground to the 2 pin connector P1 Power supply must be able to source up to 6 amps when also powering external down converters Cable assembly 780 C0242 is provided to make these connections e If an optional AC DC Power supply is purchased GMS 473 051 attach the XLR connector male to the XLR connector female of cable 780 C0234 Attach the two pin Molex connector of 780 C0234 to P1 of the MSR ch
3. HT A FA peg Nm GA N SC MODULATION Captured Frequency MHz 2490 00 Bandwidth MHz g Spectral Inversion No QPSK Format Viterbi HP LP 1 2 1 2 Throughput MB S 4 9764672 Guard Interval 174 Hierarchy HP alba FFT Size 2K Figure 10 User Interface Maximum info display Note The display can be adjusted from a very simple screen up to the most complex Screen as shown in Figure 10 See section 6 3 2 2 5 1 System Requirements The MSR Control program has been developed and tested on Microsoft Windows 2000 and Windows XP 5 2 Software Installation The following instructions outline the installation process for MSR Control program 100 M0061X5C 18 0f 43 www cobham com gms Insert provided CD ROM into computer CD reader Run setup exe file This will launch the GMS_MSR setup program and several initial setup files will begin to be copied into the computer After the initial setup files are copied the GMS MSR setup program will prompt the user to close any applications that are running Once all other programs are exited click on the OK button The GMS_MSR setup program will prompt the user to click on the computer icon button to begin installation If desired the user can change the destination directory from the default Click on the computer icon button The GMS_MSR setup program will then prompt the user to Choose Program Group If desired the user can change the program group from
4. lt 85 dBm 16 QAM WG lt 87 5 dBm 16 QAM 12 lt 89 dBm 64 QAM 2 lt 80 dBm 64 QAM 2 lt 82 5 dBm 64 QAM 72 lt 84 dBm Modulation Modulation Type COFDM w QPSK or 16 QAM or 64 QAM FEC 1 2 2 3 3 4 Guard Intervals 1 32 1 16 1 8 1 4 COFDM Carriers 2 K or 8 K Carriers Block Down Converter Cards and Modules Sold Separately See separate data sheets Rack Mount Sold Separately 7 User Notice MSR Operational Limitations Date 9 17 2005 The MSR was originally released as an up to 8 channel receiver GMS has been notified by the supplier of the diversity demodulator Integrated Circuit IC used in the MSR of certain operational limitations described in this document These limitations are related to the number of diversity inputs that can be reliably used under different operational modes where one or more channels are going in and out of lock The term Lock refers to the Carrier and Symbol tracking loops remaining locked onto the received signal Note that these circuits will loose lock under very low signal level conditions Typically somewhere lt 95dBm GMS s M S Windows control program provides visual indications of the status of these loops Refer to Carrier and Tuned lock status indicators Note that in many reception applications this situation does not occur If all channels in use remain locked and all channels not in use remain unlocked the system will operate reliably with up to 8 channels For optimum
5. and SPI Parallel Transport Stream SPI The ASI and SPI are output from the back panel of the MSR External Audio Video Data Decoders are sold separately that support SD and HD MPEG 2 4 2 0 and or 4 2 2 H 264 AVC and any other format that can be transmitted in a transport stream LAN IP streaming interfaces are also available from GMS to support distribution of the Wireless Audio Video Data anywhere in the world via the Internet This system architecture supports single or multiple programs by looping the ASI interface to multiple Decoders The MSR is normally used with GMS optional Block Down Converters BDCs to provide frequency coverage from 862 MHz to 6 GHz GMS BDCs can be mounted remotely normally right at the antenna output optimizing system performance or within the MSR chassis When remotely mounted BDC power can be provided via the IF coax cable The MSR MS Windows Control SW provides independent control of the power to each BDC A single MSR with internally mounted BDCs can support up to 4 independent antennas With external BDCs each single MSR can support up to 6 independent antennas The system automatically configures itself for inputs from 1 to 6 per MSR Both even and odd configurations are supported 4 CH MSR with optional Block Down Converters a i E De 1 KI 8 Q Ee 3 o 2 lt ANOO NMG 40078 ANOO NMG Y90078 ANOO NMA 40078 lt Figure 1 Four CH MSR w optional
6. 11 P100 34 SPI 24 P100 15 SPI 12 P100 16 SPI 25 P100 23 SPI 13 SPI 13 SPI 15 JUMPER WIRE 30 AWG TABLE I WIRE LIST o CES me ene Gees Se COBHAM DWS TILE DIMENSIONS ARE TN INCHES DRAWN RERVIN GMS Products CABLE MSR SPIB LINEAR ENG SIZE DATE DWG NO REV X X 0 5 PROD B 06 08 05 100 C0249X1 Xi X XX 0 125 X XXX 0 020 ac SCALE NONE SHEET 10F4 100 M0061X5C 42 of 43 Appendix D Optional Power Supply Four Pin XLR Connector Female Power Supply Assembly GMS 473 051 Pin Signal Notes 1 GND GND CONNECTION 2 No Connection 3 No connection 4 POWER 12VDC Nominal 12VDC 6 66 Amp draw max Table 5 XLR Connector wiring 100 M0061X5C 43 of 43 www cobham com gms
7. 5 4 3 5 4 4 There are four different channel plan selections in this mode They are Manual BAS new and BAS old User defined If Manual is selected the increment amount will be 0 25 MHz steps in the Change Frequency mode If the BAS new or old is selected the increment amount in the Change Frequency mode will be pre determined as established by the Federal Communication Commission If the User defined is selected the increment will be as specified by the user To make a channel plan selection enter the Detailed setup Use the arrow key up or down to scroll thru the selections Use the ENTR key to make a selection Depress the ENT key in Save Setup to save the settings Change Bandwidth mode The MSRs bandwidth can be changed to match the incoming COFDM modulated signal From the main display Depress the CTRL button twice Enter the detailed setup mode by depressing the ENTR key Depress the CTRL key Use the up or down arrow to increment or decrement to the desired bandwidth Depress the ENTR key to select the desired bandwidth Depress the ENT key in Save Setup to save the settings BDCC Power settings mode As described I section 6 3 2 2 remote BDCs can be powered locally or remotely Remote power is provided from the MSR through the F connector of the Tuner Demod card In this mode each individual channel can be configured to supply 12 VDC power to a remote BDC B
8. 54 3 Change Bandwidth MODE stets eegent Seeerei eege 36 5 4 4 PE Power settings E 36 e NET et A e ug te E 37 7 USER NOTICE ue ett eiert 38 APPENDICES sveket 40 100 M0061X5C 2 of 43 www cobham com gms List of Figures Figure 1 Four CH MSR w optional BDC e ee 6 Figure 2 Chained MSS EN 7 Figure 3 System Configuration two channel 8 Figure 4 Front Rear views with and without local control EE 10 Figure 5 Tuner Demod Katie 11 Figur 6 BDCC Card uuasssnenedseeekeeedeabeuaodetud bastante 12 Figure 8B Front Panel w Optional Control Panel 14 Figure 9 Rear Panel sLadssregsesedee Gade dale naadde ancients 15 Figure 10 User Interface Maximum info display 18 Figure 11 MDL Confpurdtor urvu4vu 4emmmeustesseennsadestl svevet 19 Figure 12 Configuration emt neierens Een 20 Figure 13 Display SeleCton lt x cinisicticinisiconsnmuritnsusisiimiinstiaumnanriudunrnaknacudnisciouaimianianaud 21 Figure 14 Display with C N and BER enabled msssservvssssssserrersvssssssererersessssssseerersesssssssreeeessssssesssersessssssssssereesssnssers 21 Figure 15A Channel select method 22 Figure 15B BAS Frequency select method 23 Figure 15C User defined selection table sssssssssssrrrrrererersessssssssssssssssssteesereesessssssssssssssssssssesessereesesesssssssssssssssss 24 Figure 15D User Defined select method 25 Figure 16 Faseren reegt 26 Figure 17A Remote BDC Setup EE 28 Figure 17B Local BDCC ebben Eeer 30 Figure 18 Slot POW sacs
9. FAIL Table 3 100 M0061X5C 16 of 43 www cobham com gms 4 3 4 DC Power A 2 pin connector is used to provide an interface for the DC power input The pin assignments for this connector are shown in Table 4 For further equipment protection reverse polarity circuitry has been implemented internal to the MSR The MSR can draw approximately 5 75 Amps max if fully loaded and driving eight BDCs Pin Signal Description 1 POWER 9 15VDC Nominal 12VDC 1 to 5 75 amp draw max GND GND Connection Table 4 5 Software Overview Configuration control and monitoring of the MSR unit can be implemented by using the Windows based control program This program provides control of the center frequency COFDM bandwidth power for remote BDCs and the acquisition mode of the system All other modulation parameters are automatically detected and set during the acquisition process Once locked onto the signal the MSR Control software provides an extensive array of status information as shown in Figure 10 100 M0061X5C 17 of 43 www cobham com gms Messenger Smart Receiver File Configuration Help INN S N 072005 310 Reset pl lan TUNE System GRAS Bandwidth Frequency TUNERS BDC Power AGC Carrier Tuned Mpeg Sync Mpeg Data 0 mO Ennn 100 RF Power EI E 52 76 58 78 51 CAN I 1 35 BER MER 20 07 Timing Offset 252 Carrier Offset 232 0 73 4 On E a a a a Ka EE s Gs oe
10. IF frequency to tune to This is the value that must be entered in the Set BDC LO Frequency field See Figures 17A amp 17B 100 M0061X5C 26 of 43 www cobham com gms The following equation will determine the IF frequency Transmitter frequency LO IF frequency For example if the transmitter is set for 2000 MHz and the LO of the down converter is 2800 MHz then the difference IF frequency is 800 MHz Each time the transmitter frequency is changed the MSR must be re tuned to make corrections for the correct IF frequency It should be noted that the equation can produce negative or positive answers The negative answer may indicate the receiver wants the signal to be inverted See section 6 3 3 2 of the MDT B user manual 100 M0056 for inverting the signal Reference the GMS web site for BDC details under RF modules blockdown converters at http www cobham com gms Remote BDC Configuration Window See Figure 17A The BDC Type must be set to remote in this mode Select Tuner Each tuner used in the MSR system must be configured The Tuner Select is used to choose the tuner to be configured This pull down menu has a selection from 1 thru 6 corresponding to tuner cards Set BDC LO The LO frequency of the BDC is entered in this field The units are in MHz All BDC s have 1 MHz steps for LO frequency except BDCF s 0 01 MHz steps Tuner Slot Location Slot number one of t
11. Offset MODULATION Captured Frequency MHz Bandwidth MH z Format Viterbi HP LP Guard Interval Hierarchy Spectral Inversion Throughput MB S FFT Size T T iii Figure 15B BAS Frequency select method 100 M0061X5C 23 of 43 www cobham com gms m Channels Select Channel Group USER SELECTED USER SELECTED CHANNELS NAME NAME FREQUENCY FREQUENCY NAME FREQUENCY po hb D pb gt e km hb ff D jw b ff pp ft p f B p ft fof p e b fe fff pp ft fo fe fo e fo ft pp fe fo B fo ft fo ft fo ho fo mm fp fo f SAVE CHANGES Figure 15C User defined selection table 100 M0061X5C 24 of 43 www cobham com gms w Messenger Smart Receiver BE E File Configuration Help Bandwidth MH2 Frequency MHz Dg a 5 M 011 606 26 Fesat jf sl 4475 TUNE ysten GMS user chorea ULUGAL MCAOWAVE A VETEMB r BDC Power AGC PAA PRON Carrier Tuned Mpeg Sync Mpeg Data D 100 RF Power 101 81 127 85 128 46 127 55 126 05 123 15 C AN 1 BER MER Timing Offset Carrier Offset Wi 02 UE 1 4 sv TUNE 1 2 3 mm m m E E ag E m om E E E E m go E m 8 rover pas has MK MAK MAR Rm Im Im Rm Im Im MODULATION Captured Frequency MHz Bandwidth MH z Format Viterbi HP LP Guard Interval Hierarchy Spectral Inversion Throughput MB S FFT Size ll I L Figure 15D User Defined select method 100 M0061X5C 25 of 43 www cobham com gms Tuner
12. Settings Figure 13 Display Selection Messenger Smart Receiver File Configuration Help LS S N 072005 310 Ben fe DI 2490 TUNE GMS ILOCAL MICNOWAVE SYSTEMS Ary Bandwidth Frequency TUNERS 1 g 3 4 5 6 TUNED H E E E E D LOCKED ail E E S dal E CNA 22 23 22 15 22 13 22 10 22 32 20 78 JE bo Eo Eo Emo po po Figure 14 Display with C N and BER enabled 100 M0061X5C 21 of 43 www cobham com gms Channel Select This selection allows the user to choose the desired frequency input method There are four basic methods Manual BAS New BAS Old and User Defined The selection pulls up a menu as shown in figure 15A Using the manual method the user can enter the desired center frequency manually at the main screen Using the BAS method pre determined frequencies as established by the Federal Communication Commission for the broadcast auxiliary services band are used for the center frequency input Using the User Defined method user defined frequencies are used for center frequency input m Channels Select Channel Group MANUA MANUAL USER SELECTED BAS OLD BAS NEW Figure 15A Channel select method If Manual is selected from the Channels pull down menu the main screen as shown in figure 10 will be displayed The User Selected selection from the Channels menu displays a screen which allows the user to input user defined frequencies see figure 15C Up to 30
13. The units are displayed in MHz Tuning resolution is 10 KHz per step Tune Button Clicking on this button initiates the acquisition process In this mode all modulation parameters are automatically detected and set during this process The parameters which are captured are displayed in the Modulation Captured region 5 3 2 Pull Down Menu Definitions There are pull down menus that are included in the MSR Control program The following section describes these menus in detail Refer to Figure 12 Messenger Smart Rece File Beenie Mem Help Select Display Channel Select L d Tuner BDC p Slot Power DDP Setup Save Settings i Figure 12 Configuration Menu 5 3 2 1 File This pull down menu is used solely to exit the MSR Control program Alternatively the X box in the upper right hand corner of the window can be used to exit the program 5 3 2 2 Configuration This pull down menu contains five configuration options as outlined below Select Display This selection allows the user to configure the main display See Figure 13 By applying a check to the desired feature the main display will show the selection For example if the user wants to only display the C N and the BER then the C N Indicator and the BER Indicator would be checked See Figure 14 100 M0061X5C 20 of 43 www cobham com gms m Select C N Indicator BER Indicator MER Indicator Offset Indicators Modulation BDC Power Save
14. Viterbi HP LP Forward Error Correction Hierarchy XXX Spectral Inversion OFDM polarity status Values can be yes inversion or no no inversion Throughput MB S Channel data rate FFT Size Number of carriers 2 K or 8 K 5 3 3 2 Tuners region This region displays the status of several important parameters The MSR system can be configured with up to 6 tuners So there are 6 columns of status information to correspond to the 6 possible tuners AGC The tuners Automatic Gain Control is locked and tracking the input signal A periodic on off of this signal is normal Carrier ACOFDM Carrier has been detected and locked at the selected tuning frequency Tuned The carrier is being demodulated because the symbol tracking loop has locked Mpeg Sync The SPI Transport stream sync signal is active Mpeg Data The SPI Transport stream is locked RF Power This field represents the RF power at the input of the tuner demod module Value expressed in dBm C N I This is the ratio of carrier level and noise interference in dB BER Bit Error Rate This field conveys the BER of the received signal The BER is a Pre FEC error correction MER Modulation Error Ratio This field conveys the MER of the received signal as measured by the demodulator Value expressed in dB Timing Offset This is the Offset from the expected timing due to Doppler or variations in incoming data stability in PPM Carrier Offset This is the offset between the
15. detected carrier frequency and the MSRs internal frequency standard in KHz 5 4 Control Panel Optional The control panel allows the user to monitor RF input and change key parameters such as Frequency bandwidth the channel plan or BDC power settings The operational program flow chart is shown in Figure 19A Note that Front Panel is operational only if the GUI isn t open Figure 19B shows a typical main display screen The display shows the status of the selected RF input the Signal to Noise ratio CNR and the Lock status LOCK The LOCK indicator is displayed when the system is in the RF lock condition Depressing the arrow key up or down will temporarily 5 seconds display the MPEG packet errors in place of the CNR Under normal conditions the packet errors should be 0 to 1 Packet errors are accumulated in a packet error counter The packet error counter is reset based on the PKT Err Timeout value in seconds The default time is 10 seconds The value can be changed on the control panel using the arrow up down key The screen used to make the PKT Err Timeout change is made available to the user when exiting the Setup mode 100 M0061X5C 33 of 43 www cobham com gms DE ES monner I Sieg Q DISPLAY P CHANGE SLOT
16. different frequencies can be stored When defined frequencies have been entered click the Save Changes button to store settings Figure 15D shows the main screen when the User Selected method is used The pull down menu User Channels on the main screen is used to select the desired frequency After the selection is made then the system can be tuned to the selected frequency by clicking on the Tune button of the main screen Figure 15B shows the main screen when the BAS Old or BAS New is selected from the Channels menu The pull down menu BAS new old Channels on the main screen is used to select the desired frequency After the selection is made then the system can be tuned to the selected frequency by clicking on the Tune button of the main screen The BAS New selection is the latest defined frequencies as established by the Federal Communications Commission 100 M0061X5C 22 of 43 www cobham com gms w Messenger Smart Receiver BE File Configuration Help Bandwidth MHz Frequency MHz LL S M 011 605 26 Riese IS sl Ju TUNE M lem RIS ri BAS new Channels BDC Power AGC Carrier Tuned Mpeg Sync Mpeg Data 0 100 RF Power 128 47 127 49 125 72 123 00 C N 1 BER MER Timing Offset 1 2 3 6 On on on DE LU E E H E a LH a LU LU LU LU a LU LU E E LU 5 H H E L E 1 me Je 124 f s Jan fan Me IM ww JM Me IW EE E 5 b E_E 5 5 NG Carrier
17. error free performance under any input conditions the MSR is currently limited to 6 installed input channels as described below If you install channels 7 or 8 and only use the first 6 channels you will still take hits interruptions in the transport stream when one or more channels are going in and out of lock For general operation it is recommended that only 6 Tuner Demod cards be installed The following table described the maximum number of channels that can be used for optimum error free performance when one or more channels are going in and out of lock which varies as a function of the Number of Carriers Guard Interval and the RF Bandwidth 100 M0061X5C 38 of 43 www cobham com gms Number of Carriers Guard Interval Maximum Number of Channels 6 MHz 7 MHz 8 MHz VA 6 6 6 8K 1 8 6 6 6 1 16 6 6 6 1 32 6 6 6 VA 5 5 6 2K 1 8 4 5 6 1 16 2 2 3 1 32 2 2 2 GMS Messenger C OFDM Txs only support 2 K carriers The lowest channels must be used when limited to less than 6 channels For example when using 2 K carriers with 1 32 Guard Interval and 8 MHz RF Bandwidth input channels 1 amp 2 should be used 100 M0061X5C 39 of 43 www cobham com gms Appendix A Cable Power MSR
18. that the system has power 4 2 3 Locked LED The Locked LED indicates that at least one of the Demodulators is locked and outputting an MPEG TS if it is available Note A lit Locked LED indicator does not guarantee that the TS is completely error free A blinking LED indicates a non locked condition 4 2 4 Control Panel Optional 4 2 4 1 Display Alpha Numeric The display gives the user a visual indication of the reception status and allows the user to enter data for key parameters 4 2 4 2 Arrow Keys Up Down The up down arrow keys are used to increment up or decrement down data entry values to be entered for a specific parameter 4 2 4 3 CTRL key The CTRL key allows the user to scroll thru the various modes of operation 4 2 4 4 ENTR Key The ENTR key is used to enter data for a specific parameter 4 3 MSR Rear Panel Located on the rear panel are the following interface connectors a SPI Out connector a Diversity In connector a USB 1 connector a RS232C connector two AST connectors and a Power connector See Figure 9 USB 1 RS232C ASI Out SPI Power Figure 9 Rear Panel 4 3 1 RS 232C and USB 1 Port Full MSR System control and status is accessed through either the RS 232C or USB 1 control ports via the MS Windows based control application The RS 232C uses a DB9 F connector The USB 1 uses a USB B connector Table 1 shows the RS 232C 100 M0061X5C 15 of 43 www cobham com gms Connecti
19. to 862 MHz directly into the IF input Frequencies above 862 MHz make use of the BDCC in which higher frequencies are down converted into the range of frequencies between 49 to 862 MHz In cases in which direct frequencies in the range of 49 to 862 MHz are used there is no need for a BDCC However an LNA Low Noise Amplifier can be used if the antenna is remotely mounted to overcome cable losses Figure 6 shows a typical BDCC card 100 M0061X5C 11 of 43 www cobham com gms RF Input IF Output SMA Connector F Type connector Figure 6 BDCC Card The antenna is attached to the RF input of the BDC The IF Output BDC is fed to the IF input of the Tuner Demod card 100 M0061X5C 12 of 43 www cobham com gms Figure 7 shows a typical Tuner Demod BDC and antenna connection TUNER DEMOD CARD ANTENNA Tuner and Local BDCC diagram IF IN r TUNER DEMOD CARD ee ANTENNA REMOTE BDC Figure 7 Tuner Demod and BDC diagrams 100 M0061X5C 13 of 43 www cobham com gms Power Switch Active LED Locked LED Figure 8A Front Panel CTRL Key Display Arrow keys ENTR Key Figure 8B Front Panel w Optional Control Panel 100 M0061X5C 14 of 43 www cobham com gms 4 2 1 Power Switch Depressing the Power On toggle switch will cause system power 12 VDC nominal to be applied to the MSR unit Depressing the switch again will cause system power to be removed 4 2 2 Active LED The Active LED indicates
20. BDC This selection pulls up a password window as shown in Figure 16 Upon initial installation of the MSR unit the user will be asked to enter a password twice This is now the password for the system The user has the ability to change the password as discussed later in this section After the correct password is entered a window as shown in Figure 17A or 17B is pulled up Each slot of the MSR except slot number one can be configured to accept a Tuner Demod card or a BDCC card Local block down converter Slot number one must be a Tuner Demod card The Tuner Demod card can accept IF input from a Remote BDC or Local BDCC The Tuner Configuration menu allows the user to setup various parameters based on system requirements lo Enter Password Proceed Figure 16 Password The MSR and many other digital receivers are capable of receiving direct frequencies in the range of approximately 49MHz to 861 MHz If the transmitter is not in this range then a down converter BDC BDCC is used to convert the frequency to this range The frequency out of the down converter is called the IF intermediate frequency which is fed to a Tuner Demod card installed in a MSR Down converters have an LO local oscillator which is mixed with the DBV T transmitter frequency and converts it to the IF frequency The MSR locks on to the IF frequency The MSR must know the LO of the BDC and the frequency of the DVB T transmitter to calculate for the correct
21. BDCC s 100 M0061X5C 6 of 43 www cobham com gms Multiple MSRs can be connected to form very Se Diversity Systems Figure 2 Chained MSRs The MSR can provide autonomous acquisition tracking and recovery However it was designed to be controlled via an IBM PC using a Windows based control program The program provides control of the center frequency COFDM bandwidth BDC power and the acquisition mode of the system All other modulation parameters including spectral inversion are automatically detected and set during the acquisition process Once locked onto the signal the MSR Control SW provides an extensive array of status information 100 M0061X5C 7 of 43 www cobham com gms 3 Getting Started The MSR is pre configured by GMS prior to shipment based on customer requirements thus is ready to work right out of the box NOTE Additional cables and antennas may be delivered by GMS based on customer application Contact GMS for further information 3 1 Initial Checkout Prior to installing an MSR unit into the desired target environment an initial checkout should be performed to ensure proper operation of the unit Figure 3 shows a basic MSR system configuration The steps necessary to setup the system configuration in Figure 3 are shown below LOCAL BDC CABLE ASSEMBLY 780 234 RS232 an LU REMOTE 0 3 00H _ BDC Power ki 4
22. COBHAM Messenger Smart Receiver MSR Cobham Surveillance GMS Products 1916 Palomar Oaks Way Ste 100 Carlsbad CA 92008 100 M0061X5C T 760 496 0055 05 22 09 F 760 496 0057 TABLE OF CONTENTS NODER 5 1 1 Key SEE i E EE ATEST 5 2 THEORY OF OPERATION WE 6 3 GETTING STARTED eeneg 8 3 1 Lie EEE KE EN EE 8 4 HARDWARE OVERVIEW ssc ssisesiccssecinccissssistoniescsiatscaceeasesesaniateacsscausiuia cap eniatatnatelasossasnanniads ensstscialapbdouiaaaisthussdsbsiael 9 4 1 Huet Demod Card E 10 4 2 BDCC Card EE 11 421 Power EE 15 422 Active EE 15 4 23 Locked MED EE 15 4 2 4 Control Kit Kate E E 15 2241 Display L dplrerc NEE eiert 15 21242 Arrow Keys UD DOWN ocicdisisicroncdonminiinnnida ninwodaidniennieaarimcaieanttnebandlene 15 4243 an RE 15 MT SPER E C 15 4 3 MSR PG 15 e D ANER HE BE 15 4 3 2 DVB ASI Out Asynchronous Serial Interface EE 16 4 3 3 DVB SPI Parallel Interface Synchronous Parallel Interface 16 254 MOC dE 17 5 EE 17 5 1 Syst m e TE EMTS EEN 18 5 2 S ftwar TEE 18 5 3 EE 19 5 3 1 Function Buttons and SSL CS eieiei euer 19 5 3 2 ulee 20 VE VE REN EE EN NE 20 EE Ssg NERE EET EN 20 5320 NM E 32 505 Fl DefiNitiONS sansene lund 32 5331 Modulation Captured reglon usnumsannsmnnninsmsmnmevv nnvnntis ii 32 ETEN NN 33 54 TN 33 54 1 Change TEGUENCY MOE La sremsdemsaresemaeemueagopuammspemkassanerasahemmna 35 5 4 2 Change Channel Plan NOE egener 35
23. DCC or not To set the BDC power on or off enter the Detailed Setup Depress the CTRL Button twice The screen which allows the setting of BDC power for each channel is displayed see Figure 20 The top row indicates the slot position The second row indicates if power is on y or power off n Use the arrow key to scroll forward up or backwards down thru the channels Use the ENTR key to toggle On or Off the power for the selected channel The CTRL key is used to exit this mode Depress the ENT key in Save Setup to save the settings Figure 20 BDC Power Control Display 100 M0061X5C 36 of 43 www cobham com gms 6 Specifications The following sections outline the overall specifications for the MSR unit Main Chassis Card Slots Per Chassis Number of Slots 8 Number of Tuner Demod Cards Up to 6 Slot 1 must contain a Tuner Demod Card Slots 2 8 can be any combination of Tuner Demod Cards and or Block Down Converter Cards Interfaces Control RS 232C via DB9 F Connector USB 1 via USB B Connector Transport Stream Out ASI 2 CH via BNC F Connector SPI via 34 Pin Micro Header SAMTEC ASP 114859 01Connector MSR Serial Chaining Interfaces For Special Applications SPI Diversity Out Same port as Transport Stream Out SPI Interface Diversity In via 34 Pin Micro Header SAMTEC ASP 114859 01Connector DC Power 2 pin AMP 350786 2 Connector AC Power Optional with external in line cable assembly Controls amp Sta
24. NCE DESIGNATION AS SHOWN USING BEST COMMERCIAL METHOD A STRIP WIRES ENDS 0 25 AND TIN ASSEMBLED CABLE S RED BLACK Pi A CNT1 WIRING DIAGRAM Z RED RED 2 wi Si P1 2 36 4 TOLERANCES UNLESS OTHERWISE SPECIFIED EE COBHAM TURENE DIMENSIONS ARE IN INCHES PRAWN RJE GMS Products CABLE MSR POWER PIGTAIL LINEAR ENG SIZE DATE DWG NO REV X X 0 5 PROD B 05 23 05 100 C0242X1 Xi X XX amp 0 125 X XXX 0 020 ac SCALE NONE SHEET 10F2 100 M0061X5GC 41 of 43 Appendix C Cable SPI NOTES 4 WIRING DIAGRAM ON PAGE 2 1 REFERENCE BOM 780 C0249X1 FOR PART REFERENCE DESIGNATORS REFERENCED AS ON DRAWING AND DESCRIPTIONS 2 BAG AND TAG FINAL CABLE ASSEMBLY WITH PART NUMBER 780 C0249X1 USING BEST COMMERCIAL METHOD A LABLE CONNECTOR WITH REFERENCE DESIGNATION AS SHOWN USING BEST COMMERCIAL METHOD REVISIONS ECO REV DESCRIPTION DATE APPROVED E0351X3 Lal INITIAL RELEASE 09 28 05 CBL1 p100 A spr SLV2 e e 24 5 i FROM TO FROM TO P100 13 SPI 1 P100 16 SPI 14 P100 19 SPI 2 P100 23 SPI 15 P100 29 SPI 3 P100 30 SPI 16 P100 27 SPI 4 P100 28 SPI 17 P100 25 SPI 5 P100 26 SPI 18 P100 9 SPI 6 P100 10 SPI 19 P100 7 SPI 7 P100 8 SPI 20 P100 5 SPI 8 P100 6 SPI 21 P100 3 SPI 9 P100 4 SPI 22 P100 1 SPI 10 P100 2 SPI 23 P100 33 SPI
25. UP DOWN ENTR SS CHANGE CHANGE BANDWIDTH REQUENCY CHANGE SLOT POWER ENTR UP DOWN Yy ENTR CTRL CHANGE BANDWIDTH A CHANGE FREQUENCY PKT ERR s TIMEOUT CTRL CTRL CHANGE 2K 4K CTRL ENTR d ENTR CHANGE 2K 4K RESET MSR p UP DOWN ENTR CHANGE CHANNEL PLAN CTRL CTRL DISPLAY ON ENTR ENTR v SAVE SETUP UP DOWN ENTR DISLAY ON OFF SET LO gt FREQUENCY SOFTWARE p CTRL VERSION CTRL EXIT SETUP 100 M0061X5C Figure 19A The operational Program Flowchart 34 of 43 www cobham com gms RF signal strength Bar RF input dBm Signal to Noise Ratio Lock indicator Figure 19B Main Display 5 4 1 Change frequency mode The MSRs frequency can be changed to match the incoming COFDM modulated signal in this mode From the main display depress the CTRL or the ENTR key See Figure 19 Use the up or down arrows to increment or decrement to the desired frequency Once the desired frequency has been achieved release the up down button Depressing the ENTR key will select the desired frequency To save the frequency setting depress the CTRL key and enter the Detailed setup by depressing the ENTR key Scroll thru the menu by depressing the CTRL key until the message appears which says SAVE Setup Depress the ENT key to save the settings see figure 19C Figure 19C Save Exit Select 5 4 2 Change Channel Plan mode 100 M0061X5C 35 of 43 www cobham com gms
26. VDC through the coax cable to the BDC Power can be turned on or off independently for each channel If the BDC is located relatively close to the MSR unit then using remote power makes sense However if the BDC is located at a great distance away from the MSR there may be excessive DC drop in the 100 M0061X5C 27 of 43 www cobham com gms coax cable due to cable resistance If this is the case then local DC power should be considered If unsure of the DC voltage drop then measure the DC voltage present using a DMM at the end of the coax cable run The DC normal operating voltage is approximately 12 VDC but can operate down to 10 VDC Local power is provided by applying 12 VDC to pin 1 GND to pin 3 of the DB 9 connector located on the bottom of the BDC The 12 Volt power must be able to source at least 500ma The power switch located on the side of the BDC enables the user to control the ON OFF positions for local power NOTE If using local power the remote power should be turned OFF using the BDC Power On Off button Not doing so could cause damage to the tuner Tuner Configuration Number of Tuners installed 0 Select Tuner f1 Effective LO 2800 Frequency Double Down Conversion Tuner Slot 1 BDC Type REMOTE Location Gain from Ant to Tuner dB 25 BDC Power On Query Clear Apply Reset Password SAVE CONFIGURATION Close Figure 17A Remote BDC Setup Local BDCC Configuratio
27. assis Ref Figure 3 Plug in the AC plug of the power supply into an 115 VAC Outlet See Appendix D for optional power supply e Turn on the video source and video monitor equipment e To turn on the BDC down converter from the front MSR control panel at the computer See section 6 3 for details on powering the BDC e Set the RF Bandwidth A Center Frequency and then push Tune on the MSR s control screen e After approximately 2 5 seconds the link should be established and video provided by the source should be displayed on the monitor The initial checkout described above is simply to check the basic video operation of the MSR unit For further details on monitoring and controlling the MSR see section 6 3 4 Hardware Overview The MSRis versatile housing can sit on a desktop or be mounted with the optional 19 inch instrumentation rack mount kit It can be optionally supplied with a local control panel All interface connectors Power RS232 USB ASI and SPI are located on the rear of the MSR unit panel The power on switch and two led indicators System Active and ASI locked are located on the front panel The front and rear view of the MSR unit are illustrated in Figure 4 Rear View Slot 8 Slot 1 100 M0061X5C 9 of 43 www cobham com gms Front View With display Without display Figure 4 Front Rear views with and without local control The MSR chassis is fitted with an active backplane motherboard consisti
28. ch the BDCC resides 100 M0061X5C 30 of 43 www cobham com gms w Slot Power SWITCHED 12 YD El oi mi om of of mi o 1 2 3 EE Ty 8 CARD SLOT Figure 18 Slot Power DDP Set up This selection opens up a window where user can control various features depending on the system configuration If the system has Encryption High Speed Data and User Data capabilities then the window will look like one in Figure 19 File Configuration Help AES Descrambling Mode OFF User Data User Data PID OFF Insert User Data 040001 Ox1FFF OxFFFF r High Speed Data PCR PID e 0x0000 Ox1FFF Ox000d Value of Data when No Link Ogaa Data PID ap Ox1FFF 040005 HS TS Patten Enable Disable v Reboot Reset Query Apply Save Status Figure 19 DDP Set up Window 100 M0061X5C 31 of 43 www cobham com gms e AES NEVER Store the key in the DDP mode This mode does AES Decryption but the Decryption key must be reloaded every time it is powered off This is for higher security e AES Store the key in DDP mode This mode does AES Decryption and the DDPC remembers the Decryption key so when the DDPC is powered on it will come up working e Descrambling key This box loads the decryption key The Descrambling mode must be set to an AES mode before this input is available e User Data enables User Data capabilities e High Speed Data enables MSR to receive High Speed Data Reset Clicki
29. cid secveusatslSzv eased csxn sda vausidcan ani R E R E 31 Figure 19 DDP Set up Window LuvgaassaeseGK i iai i hs ne 31 Figure 19A The operational Program Flowchart EE 34 Figure 19B Main Eelere ee 35 Figure 19C Save Exit Selectro adaacneeidaseuenus 35 Figure 20 BDC Power Control Display EE 36 List of Appendices Appendix A Cable Power MSR ssijsticcsissssecsisssisnssts ventas ninennrieoneainisnn taunnnnnienaiuasaiaraadeannnunnennuauns 40 Appendix B Cable Power MSR Pigtail EE 41 Appendix a Cable WE 42 Appendix D Optional Power Supply nseseeesssssserseersesssssssereerseesssssssssrereesssssseserersessssssssstersesssssssssssereessssssesssersesssnssses 43 100 M0061X5C 3 of 43 www cobham com gms Acronyms This section lists and describes the various acronyms used in this document Name 16 QAM 64 QAM A AV AES ASI BDC COFDM CVBS D C DVB T FEC GUI I O Kbaud Kbps LO Mbps MDL MDT MSR MER MPEG NTSC PAL QPSK RF RX S N SPI THD TS TX VAC VDC 100 M0061X5C Meaning 16 State Quadrature Amplitude Modulation 64 State Quadrature Amplitude Modulation Amperes Audio Video Advanced Encryption System Asynchronous Serial Interface Block Down Converter Coded Orthogonal Frequency Division Multiplexing Composite Video Down Converter Digital Video Broadcasting Terrestrial Forward Error Correction Graphical User Interface Input Output Kilobaud per second Kilobits per second Local Oscillator Me
30. gabits per second Messenger Digital Link Messenger Digital Transmitter Messenger Smart Receiver Modulation Error Rate Moving Picture Experts Group National Television System Committee Phase Alternation Line Quadrature Phase Shift Keying Radio Frequency Receiver Signal to Noise Ratio Parallel Transport Stream Total Harmonic Distortion DVB MPEG Transport Stream Transmitter Volts Alternating Current Volts Direct Current 4 of 43 www cobham com gms 1 1 1 Introduction GMS Messenger Smart Receiver MSR System is a VHF UHF DVB T Receiver with several powerful and unique features When used in conjunction with GMS Block Down Converters BDC the MSR can cover frequency bands exceeding 7 GHz The first unique feature is Multiple Input Maximal Ratio Diversity Combining up to six independent receive paths per MSR Another feature is the MSR s Doppler handling ability Multiple MSRs can be linked together to form very large Diversity systems Unlike conventional DVB T systems the MSR is designed for mobile environments With 2 K carriers and 16 QAM a dual input or greater MSR can handle greater than 570 Hz of Doppler frequency shift which equates to 708 mph 1140 km h 504 MHz carrier frequency With 8 K carriers and 16 QAM a dual input or greater MSR can handle greater than 125 Hz of Doppler frequency shift which equates to 155 mph 250 km h 500 MHz carrier frequency This feature is an enabling technol
31. he MSR is always configured with a Tuner Demod card provided that the housing is being used for reception Note The MSR housing can be used as a housing for tuner demods that are connected to a second housing that is performing the reception In this case slot one can be used Therefore normally Tuner Slot Location will be set to 1 from the pull down selection If for example physical slot number two is configured with a BDCC card installed then the next available slot for a tuner would be number three In this case Tuner Demod card number two would be configured for Tuner slot location number 3 In effect a BDCC card eliminates a physical MSR slot Gain from Ant to Tuner Allows the user to specify the gain from the BDC input to the MSR input If along cable is used to connect the BDC to the MSR or a power splitter is used the overall gain will be reduced A typical BDC has a gain of 30 dBm If the cable loss at the operating frequency was 5dB for example then the effective BDC Gain would be 25 dBm BDC Type The type is selected from this pull down menu The choices are None Local and Remote If a BDCC is installed in a specified slot then the selection would be None BDC Power Remote BDCs can be powered locally or remotely Remote power is provided from the MSR through the F connector of the Tuner Demod card Clicking the BDC Power button to On will supply 12
32. n Window See Figure 17B The BDC Type must be set to Local in this mode The following functions have been previously defined in the Remote BDC section Select Tuner Set BDC LO Tuner slot location BDC Type Gain from Ant to Tuner and BDC Power Note BDCC cards are powered remotely only From MSR 100 M0061X5C 28 of 43 www cobham com gms BDCC Address Each locally mounted BDCC is assigned a unique address If a tuner is to operate with a specific BDCC then the tuner must be set to match the address of the BDCC The address will be labeled on the BDCC chassis IF Attenuation A BDCC has a typical maximum gain of 39 dBm The gain of the BDCC can be attenuated with this setting The value can be changed in increments of 1dB BDCCs are typically shipped with the gain adjusted to 30 dBm 2 dBm with an IF attenuation set between 9 and 11 dBm This attenuation can be reduced if you need to drive long cable runs RF AGC Mode The two selections from this pull down menu are Auto and Manual In normal operation the AGC Automatic Gain Control is set to Auto In the Auto mode RF attenuation is automatically adjusted based on the strength of the RF Input signal or signals going in to the BDCC By selecting the Manual mode the Auto mode is disabled and the RF gain of the BDCC is fixed at approximately 20 dBm NOTE Caution must be taken when o
33. ng of eight 80 pin connectors The motherboard is protected with a 2 5 amp resettable fuse The MSR is designed to accept 9 15 VDC input power The 80 pin connectors on the motherboard can accept a Tuner Demod card a local BDCC card or a Digital Data Processor Card DDPC The system can be configured for various combinations of these cards Slot 1 first slot on the right must contain a Tuner Demod card if the system is going to be used for DVB T reception The remaining slots must use a slave Tuner Demod filled incrementally from slot 2 to 6 The user can choose to use local or remote BDCs A single MSR with internally local mounted BDCCs can support up to 4 independent antennas 4 Tuner Demod and 4 BDCC cards With remote BDCs a single MSR can support up to 6 independent antennas 6 Tuner Demod cards The motherboard provides 8 independent 1 amp fuses to each card slot 4 1 Tuner Demod Card The Tuner Demod card receives and demodulates a DVB T signal and recovers the MPEG 2 transport stream containing the digital video audio ancillary data The output of a BDC Local or Remote is fed to the IF input of the Tuner Demod card The input frequency range is 49 to 862 MHz Figure 5 shows a typical Tuner Demod card 100 M0061X5C 10 of 43 www cobham com gms IF Input F Type Connector Bottom Card Edge Connector Figure 5 Tuner Demod Card 4 2 BDCC Card The Tuner Demod card is capable of receiving frequencies in the range of 49 MHz
34. ng on this button re initializes the DDPC to a known state Query Clicking on this button will set all the fields to the current operation mode except the Descrambling Key This selection is used to query the system for the latest settings Apply This selection is used to apply all changeable parameters of the system Save Saves the current settings to the DDPC so when power is recycled the DDPC will remember the last settings Exit Exit the DDP configuration 5 3 2 3 Help This pull down menu contains information about the MSR Control software The information is outlined as below About This selection pulls up a window that displays the Version number of the GMS MSR Control program as well as FW and HW versions model and serial number of MSR 5 3 3 Field Definitions There are several different fields used for monitoring by the MSR Control program These fields are broken out by regions on the main MSR Control screen The following sections address the regions and their associated fields 5 3 3 1 Modulation Captured region Frequency MHz RF input frequency at the BDC input Format COFDM modulation type The modulation types are QPSK 16 QAM or 64 QAM Guard Interval Modulation guard interval size The following values can be selected 1 32 1 16 1 8 or 14 100 M0061X5C 32 0f 43 www cobham com gms Bandwidth COFDM bandwidth The following values can be selected 6 7 or 8 MHz
35. ogy for COFDM based Helicopter and UAV links This manual provides information on how to operate the MSR as well as pertinent technical information related to the overall system Important Please refer to User Notice for updated operational limitations Key System Features e Robust Link Performance with COFDM e Multi Input Diversity Maximal Ratio Combining e Provide superior coverage in the toughest reception areas e Enhanced Doppler performance for tracking moving vehicles e ASI output supports a wide variety of external decoders e 49 MHz to 7 GHz In Bands with Optional Internal or External Down Converters 100 M0061X5C 5 of 43 www cobham com gms 2 Theory of Operation The MDL system utilizes a robust digital modulation system known as COFDM that provides frequency diversity and powerful Forward Error Correction FEC algorithms The end result is a robust wireless link that is effective against multipath interference experienced by analog systems and provides crisp clear pictures in the most difficult of terrains The MSR receives and demodulates a DVB T signal and recovers the DVB MPEG 2 transport stream containing the digital video audio and ancillary data This stream can be optionally encrypted with a 128 bit Advanced Encryption System AES to provide protection in sensitive applications The recovered Transport Stream TS is decrypted Option sold separately and converted to Asynchronous Serial Interface ASI
36. ons Table 2 shows the USB 1 connections Note If an optional control panel is used on the MSR the RS232 port is not available Pin Signal Description 2 Tx Transmit 3 Rx Receive 5 Gnd GND Connection Table 1 Pin Signal Description 1 5V 5V POWER 2 USBDM D 3 USBDP D 4 USB GND GND Table 2 4 3 2 DVB ASI Out Asynchronous Serial Interface The DVB MPEG transport stream in high speed serial format is output on this port via a BNC F connector The DVB ASI transport stream conforms to ETSI Spec TR101891 V1 1 1 2001 2002 4 3 3 DVB SPI Parallel Interface Synchronous Parallel Interface The DVB MPEG transport stream is output as parallel data at this port The connector used is a 34 Pin Micro Header ASP 114859 01 Samtec The DVB SPI transport stream conforms to the DVB SPI as defined in EN 50083 9 ISO IEC 13818 1 compliant interface with LVDS differential outputs See Table 3 for pin assignments PIN SIGNAL PIN SGNAL 1 MP DATAO 18 CLKOUT 2 MP DATAO 19 GND 3 MP DATA1 20 I2CO 4 MP DATA1 21 I2C1 5 MP DATA2 22 DEV4 6 MP DATA2 23 GND 7 MP DATA3 24 DIF LIN 1 8 MP DATA3 25 MP DATA5 9 MP DATA4 26 MP DATA5 10 MP DATA4 27 MP DATA6 11 MP CLK 28 MP DATA6 12 MP CLK 29 MP DATA7 13 MP FRM 30 MP DATA7 14 MP FRM 31 MP LOCK 15 MP STR 32 MP LOCK 16 MP STR 33 MP FAIL 17 CLKOUT 34 MP
37. perating in the Auto mode If multiple Transmitters are operating within the band of the system and an unwanted frequency has a higher power at the antenna than the tuned frequency then the overall performance of the BDCC could be affected The unwanted frequency could cause the AGC to decrease the gain of the BDCC thereby decreasing the signal to noise ratio and increasing the noise figure If the desired transmitter is a long distance away from the receiver antenna reception problems may occur If this condition should occur the Manual mode would be recommended RF Attenuation This display allows the user to monitor the level of the RF attenuation of the BDCC This function is available when the BDCC RF AGC mode is in Auto If in the Manual mode the RF attenuation will always be zero LO Frequency The LO frequency of the BDCC is displayed in this field Poll On This selection provides the user with the status of the RF attenuation level dB This is typically used or turned on when the BDCC is switched to Auto RF attenuation mode This setting defaults to Poll ON when in the Auto mode and Poll Off when Manual mode is selected The Poll On Off can be toggled on or off manually 100 M0061X5C 29 of 43 www cobham com gms Tuner Configuration Frequency Select Tuner 2 SetBDCLO 2800 TunerSlot P y BDC Type LOCAL Location Gain from Ant to Tune
38. r dB 125 BDC Power On BDCC Address 208 IF Attenuation dB 5 RF AGC Mode RF Attenuation dB 1 Gan LO Frequency MHz In Query Apply Close Reset Password SAVE CONFIGURATION Figure 17B Local BDCC Setup Query This selection is used to query the system for the latest settings for the selected tuner Apply Button This selection is used to apply all changeable parameters of the system Close Exit the tuner configuration Reset Password This selection allows the user to change the password The user will be asked to enter the new password twice to confirm input The password is case sensitive After clicking this button the user will be asked to re enter a new password upon re entry to the Tuner BDC configuration Save Configuration Once the previous steps have been completed Save Configuration to ensure all selections have been properly saved Slot Power Remote or local BDCs BDCCs are normally powered thru a Tuner Demod card Remote power is provided from the MSR through the F connector of the Tuner Demod card Clicking one of the Slot Power buttons to On will supply 12VDC through the coax cable to the BDC BDCC See Figure 18 Position 1 corresponds to Tuner Demod card 1 position 2 corresponds to Tuner Demod card 2 etc If a BDCC is configured to reside in one of the slots then it would be invalid to turn on the Slot Power in whi
39. the default Click on the Continue button After installing the MSR program the setup program will display a window indicating the setup was completed successfully Click OK To load USB Drivers see Loading USB Drivers for MSR on CD ROM 5 3 Software Functions The MSR control software provides the user access to many different configuration control and monitoring options When the program is launched the screen shown in Figure 11 is displayed The user should first select the serial port the computer is connected to via the Serial Port Selector and Status region If the selected serial port is valid the gray colored status box will show Ready The Device Selector region allows the end user to select the MSR unit To configure the MSR select the MSR box in the Device Selector region Once the MSR box is selected the screen shown in Figure 8 is displayed The MSR Control program contains function buttons and all the configurable settings available on a MSR The following sections explain the various functions eer File Figure 11 MDL Configurator 5 3 1 Function Buttons and Selects Reset System Button Clicking on this button re initializes all tuners to a known state Bandwidth Select Option The system bandwidth can be selected in this field The selections are 6 7 or 8 MHz bandwidth 100 M0061X5C 19 of 43 www cobham com gms Frequency Option The system receive frequency is set in this field
40. tus Main Power Front Panel On Off Control BDC Power Independent On Off control via Windows Control SW Front Panel Status LEDs ACTIVE Provides indication that system is powered LOCKED Provides indication that the TS output is valid Full MSR System control and status is accessed through either its RS 232C or USB 1 control ports via the supplied MS Windows based control application A GMS remote control unit RCU is also available Physical Dimensions 8 55 W x 4 36 D x 4 0 H 21 7 cm x 11 07 cm x 10 16 cm Weight 32 07 oz 906 grams Environmental Operational Temperature 10 to 70 deg C Humidity Up to 100 non condensing DC Power DC Voltage Range 9 15 V Power Consumption 54 Watts with 6 Tuner Demods powering 6 external BDCs Tuner Demod Cards Part Number 710 A0619 Fully compliant with DVB T ETS 300 744 COFDM RF Inputs Number of Carriers 2 K or 8 K MSR Input Frequency 49 862 MHz 100 M0061X5C 37 of 43 www cobham com gms User Control Input Frequency translated to the input of the BDC s RF input band Frequency tuning resolution 500 KHz Frequency Acquisition and Recovery Range 350 KHz Input Impedance 75 Ohms Noise Figure Max lt 10 dB Typical lt 7 dB System Frequency Accuracy dependant on both MSR and BDC accuracy Bandwidth Selectable 6 7 8MHz Threshold Single Input Dual Input Quad Input QPSK 2 lt 91 dBm QPSK 2 lt 93 5 dBm QPSK 1 2 lt 95 dBm 16 QAM Y2
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