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VBM-1400 Broadband Modulator Installation and User’s Guide

Reshipment

Rev. 002

1018360

7-1

7. Reshipment

To return or ship the equipment to another location, use the carton
saved during the unpacking procedure. Place your name and address
inside the container in case the package is lost or misdirected during

shipping.

7.1

Return to the Factory

To prepare the equipment for return to ViaSat

®

, perform the following:

1.

Contact Product Support at ViaSat

®

and request a Return Material

Authorization (RMA) form and number to return the equipment.
The toll-free telephone numbers are:

Domestic – (888) 272-7232

International - (888) 832-8301

Additional information is available at our customer extranet located
here:

http://extranet.viasat.com/vsat/

2.

After receiving the RMA form and number from ViaSat

®

, fill out the

designated parts, and enclose the RMA form with the equipment.
Make sure all parts of the RMA form are complete.

3.

Do not remove any modules, circuit boards, or intra-connecting
cables from the equipment. The equipment should be configured as
originally received from the manufacturer. Use the carton saved

during the unpacking procedure in the applicable installation guide
if possible.

4.

If shipping from outside the USA, include a commercial invoice with
the following statement:

“American goods being returned for

repair”.

7.2 Packaging

To package the unit for shipment perform the following steps:

1.

Ensure that there is sufficient foam packing material in the
shipping container to protect the unit from any hard impact.

2.

Cover the unit with foam or bubble-type packing material.

3.

Place the unit in the center of the shipping container.

4.

If using a cardboard packing carton, securely tape the seams of the

carton's top cover, bottom cover, and side flaps with reinforced
packing tape.

5.

Attach labels or stamp in indelible ink the word

FRAGILE DELICATE

ELECTRONIC EQUIPMENT

on the top, bottom, and all sides of the

container.

7.3 Shipping

To ship the equipment, perform the following steps:

1.

Ensure an ESD label similar to the ESD caution in the left margin
is attached to the container.

2.

Ensure standard precautions for the shipment of delicate electronic
equipment and ESD sensitivity are observed.

3.

There are no other special shipping requirements for the unit. Any

reputable surface or air-shipping carrier may be used.

Note Before returning the
equipment, it is important
that a Return Material
Authorization (RMA) form
and number is obtained
from ViaSat

®

.

CAUTION The

equipment enclosed contains
parts and assemblies sensitive
to damage by electrostatic
discharge (ESD). Do not ship
or store near strong
electrostatic, electromagnetic,
magnetic or radioactive fields.

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Содержание VBM-1400

Страница 1: ...plastic surface over time Shrink wrap all pages except cover page spine and diskette holder page Binder shall be white loose leaf Vu Binder with pockets inside on each cover Binder shall be of appropriate thickness min in to accommodate addition of 10 additional sheets 20 pages but no more than 40 sheets 80 pages if required Cover page and spine inserts 67 pound vellum bristol pastel blue in color...

Страница 2: ......

Страница 3: ...Broadband Modulator VBM 1400 Installation and User s Guide ViaSatDocument Number 1018360 Rev 002 ViaSat Inc 6155 El Camino Real Carlsbad CA 92009 1699 Tel 760 476 2200 Fax 760 929 3941 www viasat com ...

Страница 4: ......

Страница 5: ...Broadband Modulator VBM 1400 Installation and User s Guide ...

Страница 6: ......

Страница 7: ...Broadband Modulator VBM 1400 Installation and User s Guide ViaSatDocument Number 1018360 Rev 002 ViaSat Inc 6155 El Camino Real Carlsbad CA 92009 1699 Tel 760 476 2200 Fax 760 929 3941 www viasat com ...

Страница 8: ...y to correct the interference Avis de conformite aux normes du ministere des Communications du Canada Cet equipment ne dépasse pas les limites de Class A d émission de bruits radioélectriques pour les appareils numériques tels que prescrites par le Règlement sur le brouillage radioélectrique etabli par le ministére de Communications du Canada L exploitation faite en milieu résidentiel peut entrain...

Страница 9: ...in this document are subject to change without notice and should not be construed as a commitment by ViaSat Inc ViaSat Inc assumes no responsibility for any errors that may appear in this document nor does it make expressed or implied warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose ViaSat ...

Страница 10: ......

Страница 11: ...018360 i Revision History Revision Rationale Release Date Affected 001 Initial Release 12 October 2004 All pages 002 Added Regulatory compliance statements New remote command CMD SYS_NV x Extranet information Revised Safety Precautions page format 3 March 2005 All pages ...

Страница 12: ...VBM 1400 Broadband Modulator Installation and User s Guide 1018360 Rev 002 ii ...

Страница 13: ...ruction or make the equipment not operate properly Caution This symbol indicates that electrostatic discharge ESD precautions must be observed or the equipment may be damaged Note This symbol indicates information that is important to observe General Safety Precautions General safety precautions are as follows Warning There are no user serviceable parts inside any of the equipment in your system T...

Страница 14: ...VBM 1400 Broadband Modulator Installation and User s Guide 1018360 Rev 002 iv ...

Страница 15: ...eted before installation Installation Checklist Glossary Index and foldout Drawings Obtaining Additional Publications and Information Additional publications and information including user guides white papers application notes release notes SNMP MIB downloads software updates training schedules and other technical information may be found on the ViaSat Extranet web site The Extranet may be accesse...

Страница 16: ...VBM 1400 Broadband Modulator Installation and User s Guide 1018360 Rev 002 vi ...

Страница 17: ...3 3 1 1 Symbol Rate 3 2 3 3 1 1 1 Data Rate 3 2 3 3 1 2 Code Rate 3 2 3 3 1 3 Frequency 3 2 3 3 1 4 TX Power 3 2 3 3 1 4 1 TX Power Detect 3 3 3 3 1 5 Transmit 3 3 3 3 1 6 Spectrum 3 3 3 3 1 7 Carrier 3 3 3 3 1 8 Symbol Rolloff 3 3 3 3 1 9 Modulation Type 3 3 3 3 2 Interface Parameters 3 3 3 3 2 1 Interface Type 3 3 3 3 2 2 Interface MPEG Sync Delete 3 4 3 3 3 Remote Control Parameters 3 4 3 3 3 1...

Страница 18: ...der 4 2 4 2 4 Data Rate Mbps QUERY ONLY 4 2 4 2 5 Symbol Rate MSPS 4 2 4 2 6 Transmit State 4 3 4 2 7 Carrier State 4 3 4 2 8 Spectrum State 4 3 4 2 9 Symbol Roll Off alpha 4 3 4 3 MODULATOR DATA INTERFACE COMMANDS 4 4 4 3 1 Interface Selection 4 4 4 3 2 MPEG Sync Delete 4 4 4 4 SYSTEM COMMON COMMANDS 4 5 4 4 1 System Soft Reset 4 5 4 4 2 System External Reference Control 4 5 4 4 3 System External...

Страница 19: ...hassis 6 2 6 3 2 Cleaning Connectors 6 2 6 4 GENERAL TROUBLESHOOTING 6 2 6 5 EQUIPMENT TROUBLESHOOTING 6 2 6 5 1 No Power 6 3 6 5 2 No Remote Control 6 4 6 5 3 No Output Signal from Unit 6 5 6 5 4 MAJOR FAULT LED On 6 6 6 5 5 MINOR FAULT LED On 6 7 6 5 6 No or Incorrect Display 6 8 6 5 7 No or Incorrect LED Operation 6 9 6 6 REMOVAL AND REPLACEMENT 6 10 6 6 1 Removing the VBM 1400 6 10 6 6 2 Repla...

Страница 20: ...re 6 5 MINOR FAULT LED On 6 7 Figure 6 6 No or Incorrect Display 6 8 Figure 6 7 No or Incorrect LED Operation 6 9 Figure FO 1 Front Panel Display Menus Flowchart E 3 List of Tables Table 1 1 Furnished Optional and User Supplied Items 1 1 Table 1 2 VBM 1400 Specifications 1 2 Table 1 3 VBM 1400 Front Panel Controls and Indicators 1 6 Table 2 1 Recommended Installation Tools and Test Equipment 2 1 T...

Страница 21: ...hird party documentation for peripheral equipment and software such as terminal equipment satellite antenna and cables 1 2 Equipment List Table 1 1 lists the components used with the equipment Table 1 1 Furnished Optional and User Supplied Items Furnished Items VBM 1400 Broadband Modulator Power Cord Optional Items Serial cable and or adaptor for connection to VBM 1400 remote port User Supplied It...

Страница 22: ...e 100 Hz 100 Hz Frequency accuracy 5 PPM or external reference 5 PPM or external reference Transmit power level 0 to 25 dBm 5 to 30 dBm Monitor Output The Monitor output must be 20 to 30dB lower than the main RF output at all frequencies The Monitor output must be 20 to 30dB lower than the main RF output at all frequencies Power output accuracy 1 dB at 25 C 1 dB at 25oC over 500MHz Power output st...

Страница 23: ... failure Calibration table error Fault outputs alarms Two relay driven form C alarms major and minor alarms and 1 open collector alarm Connector is male DB 9 Baseband Interface Types DVB ASI BNC connector DVB SPI M2P DB 25 subminiature connector Remote Port Remote I O Serial Connector Format Data Rate Full duplex EIA 232 and EIA 485 address 2 254 DB 9 8N1 19200 38400 57600 115200 Remote I O Ethern...

Страница 24: ...1 1 Typical BER vs Eb No Performance VBM 1400 BER vs Eb No 5 9 6 0 6 1 6 2 6 3 6 4 3 6 3 7 3 8 3 9 4 0 1 2 1 3 1 4 1 5 1 6 1 7 1 00E 11 1 00E 10 1 00E 09 1 00E 08 1 00E 07 1 00E 06 1 00E 05 1 00E 04 1 00E 03 1 00E 02 1 00E 01 1 00E 00 1 2 3 4 5 6 7 8 Eb No BER 8PSK 5 6 15MSPS 8PSK 2 3 15MSPS QPSK 1 2 15MSPS ...

Страница 25: ...he components necessary to accept MPEG frame input apply the proper modulation code process and output a continuous symbol rate waveform at a frequency of 50 90 100 180 MHz PN 1028373 or L Band 950 1450 MHz PN 1018903 The output is used as the modulated intermediate frequency IF for a satellite transmitter Figure 1 2 VBM 1400 Note The VBM 1400 is complelely self contained and contains no user serv...

Страница 26: ...ve sign change Numeric Keys Used to enter numbers 0 through 9 ENTER Key First press activates edit mode Second press enters parameter shown on display into memory CLEAR Key Exits edit mode clears entry and restores previous parameter Status LEDs OUTPUT ON Lights green when Transmit is activated MAJOR FAULT Lights red when there is an internal failure of the data flow in the transmit path MINOR FAU...

Страница 27: ...able with F type connectors 1 meter for attaching VBM 1400 and spectrum analyzer Any Various coaxial connectors as required Any Crimp tools as required Any 2 3 Unpacking and Inspection To unpack and inspect the equipment perform the following procedures 1 Inspect the shipping container for damage before unpacking the equipment Document any obvious dents punctures or other irregularities on the shi...

Страница 28: ... panel to secure the unit in the rack Hand tighten only 3 When the above steps are successfully completed initial the table in Appendix B Note Installation considerations including site preparation equipment location and cable lengths should have been previously determined by the user Warning Do not drop the equipment when lifting or carrying Personnel injury or equipment damage may occur Caution ...

Страница 29: ...ernal reference source to the EXT REF IN connector J6 Set the correct frequency parameters using the front panel controls and LCD display 9 Option To daisy chain the reference frequency with additional equipment connect a 50 ohm coaxial cable from the REF OUT connector to the next unit in the daisy chain Set the correct frequency parameters using the front panel controls and LCD display Either the...

Страница 30: ...rolled open ground switching used to activate external monitoring equipment such as a buzzer bell or light Refer to Table 2 5 for pin descriptions J5 REMOTE DB 9 F DB 9 M Provides Remote Control or software update connections using both EIA 485 and EIA 232 on one connector Front panel selectable Refer to Table 2 6 for pin descriptions J6 EXT REF IN BNC F 50 Ohms BNC M External reference input Bala...

Страница 31: ...3 M2P_D2 8 SPI_D2 M2P_D3 9 SPI_D1 M2P_D4 10 SPI_D0 M2P_D5 11 SPI_VALID M2P_D6 12 SPI_SYNC M2P_D7 13 GND No Connect GND 14 SPI_CLK M2P_INCLK BYTE_CLK_A Out 15 GND M2P_CLK 40_96 MHZ In 16 SPI_D7 M2P_SYNC 17 SPI_D6 M2P_VALID 18 SPI_D5 M2P_D0 BYTE_CLK_B Out 19 SPI_D4 M2P_D1 20 SPI_D3 M2P_D2 21 SPI_D2 M2P_D3 22 SPI_D1 M2P_D4 23 SPI_D0 M2P_D5 24 SPI_VALID M2P_D6 25 SPI_SYNC M2P_D7 Table 2 4 Ethernet J3 ...

Страница 32: ...ected from Pin 2 line and Pin 3 line is connected to Pin 2 2 The Pin 6 line is pulled low open collector when any fault is detected 3 Pin 7 line is normally looped and connected to Pin 8 line when no fault is detected If a fault is detected Pin 7 line is disconnected from Pin 8 line and Pin 9 line is connected to Pin 8 Table 2 6 REMOTE Connector Pin Signal Description EIA 485 1 RS485 TX p Transmit...

Страница 33: ...he power cord is connected to the power connector on the VBM 1400 3 Connect the other end of the power cord into the power source 100 240 VAC 50 60 Hz 4 When the above steps are successfully completed initial the table in Appendix B 2 4 2 Operation After setting the equipment parameters using the front panel display and controls operation of the VBM 1400 is fully automatic To configure the equipme...

Страница 34: ...VBM 1400 Broadband Modulator Installation and User s Guide Preparation for Use and Installation 1018360 Rev 002 2 8 ...

Страница 35: ...ations Check all connections and assume normal operations 3 2 Initial Setup and Checkout 3 2 1 Parameters Required Before Configuring the VBM 1400 Before beginning the configuration process the installer must know the parameter values for the site Some parameters require calculations or measurements to determine the correct values Refer to Appendix A 3 3 Turning On and Configuring the VBM 1400 Usi...

Страница 36: ...cursor keys change the Code Rate as desired When the desired Code Rate is shown on the display press the ENTER key again to enter the parameter into memory 3 3 1 3 Frequency Shows and sets the Intermediate Frequency IF at which the data is transmitted If desired change the IF by pressing the ENTER key and using the cursor and numeric keys change the IF as desired When the desired IF is shown on th...

Страница 37: ...n on the display press the ENTER key again to enter the parameter into memory 3 3 1 8 Symbol Rolloff Shows and sets the current symbol rolloff alpha value If desired change the setting of symbol rolloff value by pressing the ENTER key and using the cursor keys change the setting as desired When the desired setting is shown on the display press the ENTER key again to enter the parameter into memory...

Страница 38: ...TER key again to enter the parameter into memory 3 3 3 2 EIA 485 Parameters Press the down cursor key when the RS485 MENU is displayed to view or change EIA 485 parameters as follows 3 3 3 2 1 RS485 Address If desired change the address by pressing the ENTER key and using the cursor keys and numeric keypad change the setting as desired When the desired setting is shown on the display press the ENT...

Страница 39: ...layed for Mod RF PLL A fault here indicates a problem with the RF card PLL circuit 3 From the MAJOR FAULTS MENU observe that NO FAULT is displayed for Ext Ref PLL A fault here indicates a problem with the external reference clock PLL circuit 4 From the MAJOR FAULTS MENU observe that NO FAULT is displayed for Tx Pwr Cntrl A fault here indicates a problem with the modulator transmit power 5 From the...

Страница 40: ...3 3 4 2 2 Output Reference The reference signal selection at the REF OUT jack on the rear panel is displayed and set from the OUTPUT REF MENU as described in the following paragraph 3 3 4 2 2 1 Output Reference Select From the Output Ref Sel menu observe the current selection Change the source of the signal present on the REF OUT connector by pressing the ENTER key and using the cursor keys change...

Страница 41: ...th setting by pressing the ENTER key and using the cursor keys change the setting as desired When the desired setting is shown on the display press the ENTER key again to enter the parameter into memory 3 3 4 3 2 2 3 Edit Year Change the year setting by pressing the ENTER key and using the cursor keys and numeric keys change the setting as desired When the desired setting is shown on the display p...

Страница 42: ...again to enter the parameter into memory When all the configuration parameters above are set initial the table in Appendix B 3 4 Transmitting and Verifying the Uplink Signal To transmit and verify that the uplink signal to the satellite is operational perform the following steps 1 Ensure the VBM 1400 is configured per the values recorded in Appendix A 2 Connect test equipment to the TX MON port an...

Страница 43: ...ols see FO 1 select the correct parameters from the REMOTE I O MENU 5 Refer to the following paragraphs for a description of the remote control commands and expected responses when using a dumb terminal or other remote control device 4 1 PROTOCOL Each command MUST be prefixed with the following ADR where ADR is the current assigned EIA 485 address for the unit under control Commands may be termina...

Страница 44: ...te x MMMM C C Set Mod Order and FEC code rate AMM QPSK 1 2 QPSK 2 3 QPSK 3 4 QPSK 5 6 QPSK 7 8 AMM 8PSK 2 3 8PSK 3 4 8PSK 4 5 8PSK 5 6 8PSK 8 9 RSP MOD_CR MMMM C C RSP MOD_CR ERROR 4 2 4 Data Rate Mbps QUERY ONLY CMD MOD_DR x x Query current data rate RSP MOD_DR DD DDDD RSP MOD_DR ERROR AMM DD DDDD 1 0 71 9 Mbps DVB DD DDDD 1 0 45 0 Mbps 4 2 5 Symbol Rate MSPS CMD MOD_SR x x Query current symbol r...

Страница 45: ...ier State CMD MOD_CAR x x Query current carrier state x CCCC Set carrier state CCCC NORM or CW RSP MOD_CAR CCCC RSP MOD_CAR ERROR 4 2 8 Spectrum State CMD MOD_SPEC x x Query current spectrum state x SSSSSS Set spectrum state SSSSSS NORM or INVERT RSP MOD_SPEC SSSSSS RSP MOD_SPEC ERROR 4 2 9 Symbol Roll Off alpha CMD MOD_SRO x x Query current bandwidth x B BB Set bandwidth B BB 0 20 to 0 50 in 0 05...

Страница 46: ...ins the supported Command and Response strings for the Modulator user Data Interface MDI 4 3 1 Interface Selection CMD MDI_SEL x x Query current interface type x SSS Set interface selection SSS ASI or DVB or M2P RSP MDI_SEL SSS or RSP MDI_SEL ERROR 4 3 2 MPEG Sync Delete CMD MDI_MPG x x x MMM MMM ENABLE or DISABLE RSP MDI_MPG MMM or RSP MDI_MPG ERROR ...

Страница 47: ...te x SSS Enable disable external reference input SSS ENABLE or DISABLE RSP SYS_ER_EN SSS or RSP SYS_ER_EN ERROR 4 4 3 System External Reference Frequency CMD SYS_ER_FRQ x x Query current system external reference frequency x SSS Set external reference frequency SSS 1 000 to 24 000 MHz in 8 KHz steps RSP SYS_ER_FRQ SSS or RSP SYS_ER_FRQ ERROR 4 4 4 System Output Reference Source Select CMD SYS_OR_S...

Страница 48: ...REV M C DATE S SYS_REV M C TIME S SYS_REV M C FPGA S SYS_REV MDI FPGA S SYS_REV FEC FPGA S SYS_REV MOD FPGA S SYS_REV DONE 4 4 6 System Clock CMD SYS_CLK x x Query current system clock time x HH MM SS Set system clock 24 hour HH MM SS 00 00 00 to 23 59 59 RSP SYS_CLK HH MM SS or RSP SYS_CLK ERROR 4 4 7 System Date CMD SYS_DATE x x Query current system date x DD MMM YY Set system date DD 01 31 YY 0...

Страница 49: ...al number x SSS Set serial number SSS Alpha Numeric SN 3 to 12 characters RSP SYS_SNCHS SSS or RSP SYS_SNCHS ERROR 4 4 10 System Mod Board SN CMD SYS_SNMOD x x Query current serial number x SSS Set serial number SSS Alpha Numeric SN 3 to 12 characters RSP SYS_SNMOD SSS or RSP SYS_SNMOD ERROR 4 4 11 System MDI Board SN CMD SYS_SNMDI x x Query current serial number x SSS Set serial number SSS Alpha ...

Страница 50: ...status RSP SYS_STAT S or RSP SYS_STAT ERROR S Series of parameter value strings indicating current values SYS_SNALL SYS_SNCHS S SYS_SNALL SYS_SNMOD S SYS_SNALL SYS_MDI S SYS_SNALL SYS_RF S SYS_SNALL DONE 4 4 14 System RF Board Temperature QUERY ONLY CMD SYS_TMPRF x x Query current temperature RSP SYS_TMPRF TT C or RSP SYS_TMPRF ERROR TT Current RF board temperature Celsius 4 4 15 System MOD Board ...

Страница 51: ...L S SYS_STAT MDI_MPG S SYS_STAT SYS_ER_EN S SYS_STAT SYS_ER_FRQ S SYS_STAT SYS_OR_SEL S SYS_STAT FLT TRUE FALSE MOD FPGA SYS_STAT FLT TRUE FALSE MOD RF PLL SYS_STAT FLT TRUE FALSE MOD TX PWR CNTL SYS_STAT FLT TRUE FALSE MOD CAL TBL SYS_STAT FLT TRUE FALSE MDI CLK ACTV SYS_STAT FLT TRUE FALSE MDI SYNC SYS_STAT FLT TRUE FALSE SYS EXT REF PLL SYS_STAT FLT TRUE FALSE SYS EXT REF ACTV SYS_STAT DONE 4 4...

Страница 52: ...LL or RSP HIO_LCK ERROR 4 5 2 Front Panel Backlight Timeout CMD HIO_BLTO x x Query current front panel lockout state x TTTTSet front panel timeout TTTT 00 SEC 15 SEC 30 SEC 45 SEC or 60 SEC A setting of 00 SEC indicates backlight remains on indefinitely RSP HIO_BLTO TTTT or RSP HIO_BLTO ERROR 4 6 REMOTE I O COMMANDS This section contains the supported Command and Response strings for configuring t...

Страница 53: ...CMD RIO_485_FMT x x Query current EIA 485 data format x DPS Set EIA 485 data format DPS 8N1 RSP RIO_485_FMT DPS or RSP RIO_485_FMT ERROR 4 6 3 EIA 485 Data Rate CMD RIO_485_BAUD x x Query current EIA 485 baud rate x BD Set EIA 485 baud rate BD 19200 or 38400 or 57600 or 115200 RSP RIO_485_BAUD BD or RSP RIO_485_BAUD ERROR ...

Страница 54: ...VBM 1400 Broadband Modulator Installation and User s Guide Remote Control 1018360 Rev 002 4 12 ...

Страница 55: ...he application of AC to the power supply 5 2 Monitor and Control The Monitor and Control M C module is microprocessor based and provides the ability to set system parameters remotely using EIA 485 EIA 232 Ethernet or locally using the Front Panel The circuits perform modulator closed loop power control factory power calibration and periodically poll the circuits for status of key monitor points as...

Страница 56: ...y be selected using the front panel menus 5 4 Signal Flow The incoming baseband data is DVB SPI DVB ASI or M2P format The DVB SPI or M2P input is applied to 25 pin D Type subminiature connector J1 while the DVB ASI signal is applied to BNC type connector J2 on the rear panel The incoming signals are applied to the Baseband Interface Board where depending on the signal type are processed and transf...

Страница 57: ...1 VBM 1400 Chassis Inspection Inspect the VBM 1400 for proper mounting location cleanliness connecting cable tightness proper cable strain relief and correct indicator light operation 6 2 2 Inspection of Cable Assemblies and Connectors Inspect all cables attached to the VBM 1400 as described below 1 Inspect each cable for dents twists flattening abraded jacket or other signs of damage Observe the ...

Страница 58: ...lating system discrepancies or faults and determining corrective action that may be required Here are some general procedures that can isolate and resolve many common fault situations If a fault is reported or observed perform these steps first 1 Ensure that all cables and power cords are firmly connected 2 Ensure the component power source is applied 3 Ensure the component is turned on 4 Restart ...

Страница 59: ...enance Instructions Rev 002 1018360 6 3 Is the chassis plugged in Plug it in Exit Is the Power Switch on Call Distributor or ViaSat as applicable Turn it on Exit Is input power correct Apply Correct Input Power No Yes No No Yes Yes 6 5 1 No Power Figure 6 1 No Power ...

Страница 60: ...l Distributor or ViaSat as applicable Exit Exit Is remote control cable connected properly and of correct type Are remote control parameters set properly Connect remote cable properly Go to Remote I O menu and set parameters properly Is front panel REMOTE LED on Go to RIO menu and enable remote control Did this fix the problem Exit Yes Yes Yes Yes No No No No ...

Страница 61: ... and set to ON Exit Are the MODULATOR parameters set correctly Set parameters to correct values Are connectors on rear panel connected properly Exit Exit Are MAJOR or MINOR FAULT LEDs on No Yes No No Yes Yes Yes No Go to indicated Fault LED flowchart and then start again Connect correctly Call Distributor or ViaSat as applicable NOTE Make sure correct Interface Type is selected on INTERFACE MENU b...

Страница 62: ...problem in the data or RF path Figure 6 4 MAJOR FAULT LED On Is the fault Ext Ref PLL Check MAJOR FAULTS Menu Attempt to correct by checking External Reference connection and frequency Yes No Yes No Is the fault TX Pwr Cntl Exit Call Distributor or ViaSat as applicable Does recycling power fix trouble Were you able to correct fault Exit Yes Yes No No Go to Figure 6 5 ...

Страница 63: ...A minor fault usually indicates an external problem Figure 6 5 MINOR FAULT LED On Do any of the sub menus indicate FAULT Exit Check MINOR FAULTS Menu Call Distributor or ViaSat as applicable Attempt to correct indicated FAULT as shown on sub menu Does recycling power fix trouble Were you able to correct fault Exit Yes No Yes Yes No No ...

Страница 64: ...intenance Instructions 1018360 Rev 002 6 8 6 5 6 No or Incorrect Display Figure 6 6 No or Incorrect Display Is the POWER LED on Exit No Yes Call Distributor or ViaSat as applicable Check power cord and or turn on power Does recycling power fix trouble Yes No Exit ...

Страница 65: ...ion and User s Guide Maintenance Instructions Rev 002 1018360 6 9 6 5 7 No or Incorrect LED Operation Figure 6 7 No or Incorrect LED Operation Exit Recycle power LED indication still incorrect Call Distributor or ViaSat as applicable No Yes ...

Страница 66: ...mate the coupling until it bottoms During the process if the nut or screw is difficult to turn it may be due to pin misalignment cross threaded coupling nut or actual damage to the connector 5 Stop and determine the reason for connector misalignment Failure to do so may result in damage to the connector or possibly the attached component 6 Never hold a male coupling nut stationary while screwing t...

Страница 67: ...mmercial invoice with the following statement American goods being returned for repair 7 2 Packaging To package the unit for shipment perform the following steps 1 Ensure that there is sufficient foam packing material in the shipping container to protect the unit from any hard impact 2 Cover the unit with foam or bubble type packing material 3 Place the unit in the center of the shipping container...

Страница 68: ...VBM 1400 Broadband Modulator Installation and User s Guide Reshipment 1018360 Rev 002 7 2 ...

Страница 69: ... 6 Carrier 3 3 1 7 Symbol Rolloff 3 3 1 8 Modulation Type 3 3 1 9 Interface Parameters 3 3 2 Interface Type 3 3 2 1 Interface MPEG Sync Delete 3 3 2 2 Remote Control Parameters 3 3 3 RIO Control Enable Disable 3 3 3 1 EIA 485 Parameters 3 3 3 2 RS485 Address 3 3 3 2 1 RS485 Format 3 3 3 2 2 RS485 Baud 3 3 3 2 3 EIA 232 Parameters 3 3 3 3 RS232 Format 3 3 3 3 1 RS232 Baud 3 3 3 3 2 Ethernet Paramet...

Страница 70: ...VBM 1400 Broadband Modulator Installation and User s Guide VBM 1400 Parameter Worksheet 1018360 Rev 002 A 2 ...

Страница 71: ...y for the correct installation and initial operation of the equipment are complete Column 1 refers to the section and step number in this guide for cross reference Column 2 is a description of the task Column 3 provides space for the installer to document any remarks deviations or exceptions from the procedure Column 4 provides space for the installer to place their initials when the task has been...

Страница 72: ...____ _____________________________________ Print Name and Title Signature Customer ______________________________________ _____________________________________ Print Name and Title Signature Para Step No Description Remarks Deviations Exceptions Installers Initials Appendix A VBM 1400 Parameter Worksheet completed 2 3 6 Unpacking and Inspection 2 4 3 Installation 2 4 1 2 4 VBM 1400 Connections 3 3...

Страница 73: ...an transfer information Usually measured in bps dB decibel ratio of two amounts of power P1 and P2 existing at two points dBm decibels relative to one milliwatt DSP digital signal processing DVB Digital Video Broadcast Standard that covers how MPEG 2 signals are transmitted via satellite cable and terrestrial broadcast channels along with how such items as system information and the program guide ...

Страница 74: ...d a measure of frequency or bandwidth Hz Hertz cycles per second I Q In phase and Quadrature Analog signal output of DSP converter I O input output IF Intermediate Frequency IFL Inter facility link kbps kilo thousand bits per second kHz kilo Hertz kilocycles per second L Band the 500 MHz block of frequencies from 950 MHz to 1450 MHz also used to describe in general the range of frequencies between...

Страница 75: ...signal points each representing one unique combination of bits that can be identified with one possible state that the carrier wave can be in QPSK Quadrature Phase Shift Keying a type of PSK modulation using four phases 1 2 pi pi 3 2 pi and 2 pi zero radians binary message symbols are grouped in twos to give four possible values 0 1 2 3 each of the four values is transmitted as the carrier wave wi...

Страница 76: ...VBM 1400 Broadband Modulator Installation and User s Guide Glossary 1018360 Rev 002 C 4 ...

Страница 77: ...anel 1 6 I Inspection 6 1 Installation Checklist B 1 B 2 M maintenance 6 1 Maintenance Requirements Summary 6 1 N Note Definition iii P packaging 7 1 power cord 6 2 6 10 R removal and replacement 6 10 Return Material Authorization 7 1 Revision History i RMA 7 1 S Safety Precautions iii shipping 7 1 Site Parameters A 1 Specifications 1 2 T Test Equipment 2 1 Tools 2 1 troubleshooting 6 2 U Unpackin...

Страница 78: ...VBM 1400 Broadband Modulator Installation and User s Guide Index 1018360 Rev 002 D 2 ...

Страница 79: ...VBM 1400 Broadband Modulator Installation and User s Guide Drawings Rev 002 1018360 E 1 Appendix E Drawings ...

Страница 80: ...VBM 1400 Broadband Modulator Installation and User s Guide Drawings 1018360 Rev 002 E 2 ...

Страница 81: ...reset selections available Press Enter key then use cursor keys to move between available parameters Press Enter key when done 3 Flashing cursor indicates entry mode enabled Use numeric and or cursor keys to enter or move between parameters Press Enter key when done 4 Use Up or Down cursor keys to change positive or negative sign of numeric entry sign is not shown but is understood to be positive ...

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