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StarGuide Digital Networks StarGuide III, User Manual

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StarGuide Digital Networks StarGuide III User Manual Download Page 57

SGN 71001-1017 

 

47 

8 

T

R OU B L E S HOOT I N G

 

Table 10 provides a list of possible problems and solutions. 

Table 10. Troubleshooting Table 

Problem 

Possible Cause 

Solutions 

The satellite signal is not reaching 

the receiver. 
 

Check cabling. 
Make sure the antenna is pointed correctly. 

Peak if necessary. 

The receiver is set to the incorrect 

frequency/data rate. 
 

Set the frequency through the MANUAL 

ACQUISITION menu described in 

Section 

4.2.3 The Carrier Menu.

 

Make sure the LNB Voltage switch on the 

back of the receiver is in the UP (on) 

position. 

The unit doesn’t lock. 

The LNB or block down 

converter is not receiving power. 

If all else fails, try cycling the power (OFF, 

then ON). 

The output port is not configured.  Configure the port for the desired provider 

and service (see 

Section 4.2.2 The Port 

Menu

). 

The selected service is not 

authorized 

Call your service provider to be authorized. 

No audio present 

The cabling is incorrect 

Check the cabling (see 

Appendix A, Audio 

Decoder Module

). 

The signal strength is low. 

Peak the antenna. 

Terrestrial interference is 

“jamming” your signal. 

Install shielding. Consult a local dish 

installer. 

Your LNB/LNA is not adjusted 

correctly so you are experiencing 

cross-pole interference. 

Rotate the LNA/LNB to optimize the 

polarity. 

Audio is garbled or mutes 

frequently. 

You are experiencing adjacent 

satellite interference. 

Make sure your dish is at least 3.8m with 
2

°

 spacing. 

Peak the antenna when the satellite is in 

the center of its box. See 

Section 7.2.1 

Align Receiving Antenna

 

 

Summary of Contents for StarGuide III

Page 1: ...StarGuide Digital Networks Revision A 3 September 1999 StarGuide III Satellite Receiver User s Guide S t a r G u i d e D I G I T A L ...

Page 2: ...nd radiates radio frequency energy and if not installed and used in accordance with the instruction guide may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his or her own expense Warning Shock Hazard Caution This caution icon identifi...

Page 3: ...SGN 71001 1017 iii COAX FIRST THEN POWER UP Severe damage may result to the receiver if 24V LNB power is shorted across the coax center conductor ...

Page 4: ...iv StarGuide Digital Networks ...

Page 5: ...ding 6 2 2 9 Foreign Objects 6 2 3 Physically Installing the StarGuide III Receiver 6 2 3 1 Rack Mounting the Receiver 6 2 3 2 Uneven Loading of Rack 6 2 4 Connecting the StarGuide III Receiver to a Satellite Dish 7 2 4 1 DC Voltage Requirement 7 2 4 2 Warnings About Shorting DC 8 3 Quick Start 9 3 1 Getting the Receiver to Track 9 3 1 1 Navigating the Menu 9 4 Front Panel Operations 11 4 1 The St...

Page 6: ... 31 5 16 Displaying Port Parameters PORT 31 5 17 Software Revisions REV 31 5 18 L Band Frequency RF 31 5 19 Relay Fault Mask RFM 32 5 20 Port Relay Status RLY 34 5 21 Relay Output ROUT 34 5 22 Reed Solomon Status RS 34 5 23 System Reset RST 34 5 24 Set Carrier Manually SCM 35 5 25 System Faults SF 35 5 26 Setting Port Configuration SP 35 5 27 Save Parameter Block SPB 35 5 28 System Status SS 36 5 ...

Page 7: ... Port DB9 Male 42 6 9 Output Module Option Cards 42 7 StarGuide III Installation Supplement 43 7 1 Satellite Transmission Information 43 7 2 Antenna Dish Requirements 43 7 2 1 Align Receiving Antenna 43 7 2 2 Center of the Box 44 7 2 3 Antenna Receiver Configurations 44 7 3 Verifying Signal Quality The Eb N0 Reading 44 7 3 1 Eb N0 versus Signal to Noise S N 46 8 Troubleshooting 47 8 1 Fault and St...

Page 8: ...8 M C Port Pin Out 42 Table 9 Alarm Relay Port Pin Out 42 Table 10 Troubleshooting Table 47 Table 11 Fault Status Bit Maps 48 LI S T OF FI G UR E S Figure 1 Rack Mounting the StarGuide III Receiver 7 Figure 2 Front Panel Features 11 Figure 3 Title Screen and Top Level Menu 13 Figure 4 The Port Menu 14 Figure 5 The Carrier Menu 17 Figure 6 The Configuration Menu 18 Figure 7 The Status Menu 20 Figur...

Page 9: ...igital Networks freight collect or without a Return Material Authorization RMA number will NOT be accepted 4 StarGuide Digital Networks shall not accept responsibility for returned products that are improperly packaged and or damaged in shipment If possible please use original shipping and packing materials 5 Original product identification markings and labels must not be removed defaced or altere...

Page 10: ... for StarGuide Digital Networks repair technicians to reproduce diagnose and correct the problem If the product is being returned for upgrade or modification please include a complete description of the current configuration and the desired change s This information will allow a StarGuide Digital Networks customer service representative to provide a formal quote for the upgrade 5 Include a purchas...

Page 11: ...ld result in personal injury if not performed correctly 1 2 Hardware Flexibility The StarGuide receiver has been designed to provide easy configurability and flexibility Six expansion slots in the rear of the receiver allow you to receive any combination of audio multi media software or data services simultaneously with specially designed low cost plug in cards Currently available option cards inc...

Page 12: ...2 StarGuide Digital Networks ...

Page 13: ...rdered Card Extraction Tool 1 Please pay particular attention to the option cards shipped with your order Take a moment to make sure that they are the same as those you ordered 2 2 Safety Precautions Caution The following sections provide a list of general hazards to be avoided for safe reliable use of the StarGuide III receiver 2 2 1 Excessive Temperature The StarGuide III receiver has been desig...

Page 14: ... 61000 6006 must be reinstalled in order to maintain emissions integrity of the receiver chassis A Card Extractor Tool SGN P N 28882 3005 may be required to assist option card removal See Appendix A for further details 2 2 5 Use the Correct Power Source For StarGuide III units equipped with a North American power cord the power cord has an IEC 320 female plug at one end and a NEMA 5 15P male plug ...

Page 15: ...ious countries Table 2 Certifying Agencies of Various Countries Country Agency Australia SAA Austria OVE Belgium CEBEC Canada CSA Denmark DEMKO Finland FEI France UTE Germany GDE India ISI Ireland IIIRS Italy IMQ Japan MITI Netherlands KEMA New Zealand SECV SECQ SECWA EANSW ETSA HECT Norway NEMKO Rep S Africa SABS Spain AEEE Sweden SEMKO Switzerland SEV UK ASTA BSI 2 2 6 Power Cord Cabling Avoid r...

Page 16: ...ator If a foreign object is accidentally introduced into the receiver immediately remove power and call StarGuide Digital Networks technical support Do not try to open the receiver since there are no serviceable parts in the receiver Opening the receiver will void the receiver s warranty 2 3 Physically Installing the StarGuide III Receiver The StarGuide III receiver should be installed in a standa...

Page 17: ...ave the StarGuide III receiver supply DC voltage to either an LNB or a block down converter used after an LNA If so the LNB Voltage switch on the back of the receiver should be in the ON position the switch should be UP If however you have another receiver that receives the L Band version of the satellite signal 950 1450 MHz then you may use a splitter with DC blocking circuitry to get the signal ...

Page 18: ...tallation transient voltage may damage the Demodulator card If this occurs prepare to return the unit via an RMA see Return Procedure page x If there is a dead short in the cable connecting the receiver to the satellite dish the unit will not function properly Remove the power cord from the rear of the unit check the cable connecting the receiver to the satellite dish to make sure it has not been ...

Page 19: ...plifier needs to be connected to the AUDIO OUT connector on the installed Audio Card This connector is a male DB 9 with a balanced output stereo pair see Appendix A and refer to the connector pin out sections for more information Once the audio connector is wired to an amplifier and the satellite receiver has been connected to the dish the receiver should be plugged into a standard 120 220 Volt AC...

Page 20: ...ENTER so that the LCD displays SERVICE SERVICE NAME The Service list allows you to look at the various services that are available that match the current card type and current provider If you are not authorized to receive a service an NA will be displayed after the service name You must call the service provider to be authorized for a particular service Press ENTER to select a desired service If y...

Page 21: ...indicate that something is wrong 16 x 2 LCD for menu and status display POWER LED to indicate the unit is on Figure 2 Front Panel Features 4 1 The Status LED s There are five LED s on the StarGuide front panel The following sections describe each LED and its significance 4 1 1 The SIGNAL LED The SIGNAL LED is used to indicate when the receiver has found the signal and determined its relative stren...

Page 22: ...it is plugged in but there is a short generally from the cable connecting the receiver to the LNB the POWER LED will flash indicating that there is a short 4 2 The StarGuide Menus The following sections will describe the various parts of the StarGuide Receiver menu tree see Appendix B for a complete diagram of the menu Note Use the and arrow keys to display menu options ENTER is used to go down a ...

Page 23: ...IRING The receiver is trying to find and lock on to the satellite signal according to the entered data rate and frequency GET FRAME SYNC The receiver has found the satellite signal and is now trying to synchronize itself with the incoming data CHECKING TABLES The receiver is downloading information from the satellite and is verifying that its configuration matches that of the data being sent over ...

Page 24: ...nge due to technical improvements and design Figure 4 The Port Menu 4 2 2 1 Setting the Card Type The CARD TYPE submenu is used to select the type of card installed in the associated expansion slot The card type is set upon shipment so this submenu should only be necessary if new expansion cards are added If a new card is added simply enter the CARD TYPE submenu and select the card type from the a...

Page 25: ... submenu will not be available if the receiver has not received its configuration tables from the satellite 4 2 2 4 Updating the Card Settings The CARD SETTINGS submenu allows you to configure the settings for individual card types For audio and relay cards the following menus are available For other cards such as a video card the menus are card specific and are described under the card s heading ...

Page 26: ... the service provider has selected Setting a relay OFF will inactivate the relay UNLESS the service provider is activating the relay If the receiver is not acquired any relay settings made by the user will be immediately effective Make sure you set ALL of the relays to OFF 0 after manually setting the relays If you don t the service provider s relay settings may be overridden 4 2 2 4 4 Async Port ...

Page 27: ... over the existing information use the and arrow keys to move within the numeric input field or use the key to delete the number to the immediate left of the cursor When the desired number is displayed press ENTER 4 2 4 The Configuration Menu The Configuration menu allows you to make changes or observe the current configuration of system wide parameters The types of things included in this menu in...

Page 28: ... rates After selecting the desired baud rate a list of possible data bit settings is presented After selecting a data bit setting you will enter a list of parity settings Finally after selecting the desired parity a list of stop bits will be presented After selecting the stop bits the entire monitor and control settings will be activated Note that at any time during this procedure pressing the arr...

Page 29: ...r software has been downloaded and the LOAD AUDIO DSPS submenu indicates that new audio decoder software has been downloaded In either event the new software should be loaded as soon as it is convenient to do so Loading the control processor will cause the receiver to go through its entire power up sequence so service on all ports will be interrupted for approximately 10 seconds Loading the audio ...

Page 30: ...rent faults the LCD will display CURRENT FAULTS NO FAULTS 4 2 5 2 Checking the Receiver Fault Log The receiver fault log can be checked in the FAULT HISTORY submenu This submenu is similar to the CURRENT FAULTS submenu described above The fault log will display all of the faults occurring since the fault log was cleared or since the unit was last powered on The next section details how to reset th...

Page 31: ...bmenu will update periodically The receiver s signal strength threshold is 4 5 dB If the signal strength is low make sure your antenna has been peaked correctly The SIGNAL LED will blink if the signal strength drops below 5 0 dB The front panel display is shown as SIGNAL STRENGTH EB N A AG 192 Where AG AGC value ranging from 0 to255 It is inversely proportional to the signal level received on the ...

Page 32: ...22 StarGuide Digital Networks ...

Page 33: ...XX CR or XX CR A command with one parameter is formed by the command followed by a space and then the parameter XX Y CR Commands with additional parameters are formed by appending the additional parameters separated by commas XX Y Z CR Table 4 lists single commands that can be issued through the M C interface The table provides a brief description and action brief of the listed commands Table 4 M ...

Page 34: ...PID Physical ID Queries the receiver s current physical ID PORT Port Settings Query Provides quick indication of the desired port s ports A thru F settings REV Software Revisions Provides current versions of software running the receiver RF L Band Frequency Provides the receiver s current RF setting in kilohertz Initiates acquisition RFM Relay Fault Mask Indicates all of the current faults that wi...

Page 35: ...the input to the demodulator This can be helpful when trying to point peak the satellite dish The AGC command comes in the query form only AGC This form of the command queries the current AGC reading from the demodulator 5 2 Audio Mode AM The AM command changes the audio output on a port by port basis This command does NOT work if the TZF mode is set to any non zero value since the TZF and the AM ...

Page 36: ...in non volatile memory Default mode is CLR 0 5 5 Current Multiplexer CM The CM command is used when acquiring an unknown mux to determine the current mux ID All of the download tables are based on the mux ID The current mux ID is saved in non volatile memory The CM command is also used to verify that the correct carrier has been acquired when the mux being acquired in already known The CM command ...

Page 37: ...ate and timeOut set for the FBC FBC Frequency data rate timeOut Where the parameters are defined as Frequency The fallback carrier L Band frequency 920000 to 2050000 The carrier frequency in kilohertz 0 No fallback carrier Data Rate The fallback carrier data rate 512000 to 25000000 The data rate in hertz 0 No fallback carrier TimeOut The TimeOut before the fallback carrier is tried 20 to 429496729...

Page 38: ...og To stop the log simply issue a LOG 0 command Once the LOG 0 command has been issued the current log can still be accessed but it cannot be continued To start the log again issue a LOG 1 command which will then overwrite the stopped log The current status of the event log can be queried When the LOG command is queried it returns the log s current state and the number of events that are stored in...

Page 39: ... command will place the signal strength into the log every minute Remember that only 256 events will be logged so the log should be retrieved and reset often enough so the LOG 7 0 command does not fill the log The LOG 7 command should be turned off when not in active use to prevent filling the log A user event can be inserted into the log by issuing a LOG 4 command This event has no predefined mea...

Page 40: ... shown in bold Current Satellite Frequency RF Current Data Rate DR Fall back Carrier FBC Port Parameters SP Provider SP X P Service SP X S Type SP X T Anc Data Mode SP X ANC Anc Data Baud Rate SP X BAUD Current Multiplexer ID CM 5 13 Monitor and Control Port Settings MC The MC command is used to query or configure the Monitor and Control Interface settings The format of the command is MC baud pari...

Page 41: ...t versions of software The control processor code is stored in both the CP1 and CP2 banks The bank with the latest version of code will be executed If a bank holds invalid code the version is displayed as 000 The DSP1 bank is used for the audio decoder software To date there is no code in DSP2 DSP2 s value is returned as 65535 indicating that it has not been downloaded The demodulator version is a...

Page 42: ...RFM value in its numeric form in decimal RFM value This form of the command sets the faults that will activate the fault relay located on the new motherboard s AUX connector and the RTS line of the M C port This value is a 32 bit decimal value of all of the faults to activate the relay The relay fault mask value is a sum total of all of the faults that will activate the relay Table 7 shows the dec...

Page 43: ...ge a command 512 PLL LOCK FAIL The PLL lost lock This will occur normally when the demodulator loses lock 1024 DEMOD LOCK FAIL The demodulator lost lock fade 2048 DEMUX LOCK FAIL The demultiplexer lost lock 4096 CODE SWDL READY A new version of code has been successfully downloaded 8192 DSP SWDL READY A new version of DSP code has been successfully downloaded 16384 SWDL ACTIVE A software download ...

Page 44: ... that contain an audio card For audio cards with associated relay cards the audio card should be specified in the ROUT command Specify Relay 0 15 A relay setting of 255 indicates that no relay should be activated Set the Status Relay Output using up to 8 parameters in the following order ROUT TimeOn 0 255 TimeOff 0 255 Port A F 0 15 225 Unspecified ports will default to 255 no relay activated For ...

Page 45: ...h fault are shown in Section 8 1 Fault and Status Bit Maps 5 26 Setting Port Configuration SP The SP command is used to set the various parameters associated with each output port These parameters include the port type the provider and the service Setting each of these parameters requires different parameters as defined below SP PORT SUB PARAM where PORT is the desired output port A through F SUB ...

Page 46: ...This command is most useful when trying to determine the length of time that has elapsed since an event in the log The time is derived from the current carrier If a receiver is not locked to a carrier the receiver s internal clock continues clocking from the last value 5 30 Time Zone Feed TZF The TZF command is used to copy a particular channel to both output channels This allows the user to broad...

Page 47: ... the receiver This command gives details on the current software including the version number the user version the date the code was made the size of the code and the checksum of the code 5 32 Viterbi Rate VR VR 2 Rate 1 2 VR 3 Rate 2 3 VR 4 Rate 3 4 VR 5 Rate 4 5 VR 6 Rate 5 6 VR 7 Rate 7 8 This is a Non volatile command ...

Page 48: ...38 StarGuide Digital Networks ...

Page 49: ...arity 8 kbps Carrier data rate 512 kbps to 25 Mbps Initial acquisition time 1 minute from power up Channel switchover time Carrier to carrier 500 ms Within same carrier 250 ms Receiver address modes Physical Unique address 24 bits Logical 32 per receiver Ad hoc 1 per receiver dynamic 6 2 Receiver Interface Specification LCD 16 characters 2 lines Keypad Full 10 key pad decimal point arrow keys ente...

Page 50: ...ensing storage 0 to 100 noncondensing 6 5 Demodulator Specification The demodulator receives input at L band and provides base band data to the demultiplexer L band input frequency range 920 2020 MHz Impedance 75 Ω Minimum Return Loss 8 dB Power Levels 20 dBm to 80 dBm Input Noise Figure 12 dB maximum at minimum input level Maximum Composite Input level 0 dBm Acquisition Frequency Uncertainty 2 MH...

Page 51: ...Output mapping Any input service may be mapped to any output module 6 7 Contact Closures Latency Less than 100 ms Load Resistive 10 VA Switching Current and Voltage 0 5 A 60 VDC Maximum Carry Current 1 5 A 6 8 Interface Connector Pin Outs There are two interface connectors found on the back of the StarGuide III receiver The M C and Alarm Relay ports connect the receiver to the control and output f...

Page 52: ...lay Port DB9 Male Table 9 Alarm Relay Port Pin Out PIN Function 1 GND 2 NC 3 RLYOUT 4 RLYCOM 5 GND 6 NC 7 NC 8 RLYNO 9 RLYNC 6 9 Output Module Option Cards The output modules receive data from the demultiplexer and present a module specific output to the user Output module varieties include Musicam Audio MPEG 2 video and clear channel data presented as RS 422 or RS 232 ...

Page 53: ...grade 3 8 meter antenna is mandatory Antennas of smaller sizes do not have sufficient gain to achieve consistent results Additionally the antenna must be certified for 2 spacing If your antenna is not certified for this spacing requirement you may experience adjacent satellite interference which may have detrimental results in your signal quality 7 2 1 Align Receiving Antenna It is strongly recomm...

Page 54: ...lations Diagram A is a stand alone set up where just the StarGuide III receiver is utilized Diagram B shows sharing the antenna with an L band receiver This set up put the splitter and DC block inside Diagram C is combining a set up with a DATS SEDAT receiver and the splitter and converter gear outside Diagram D is similar to Diagram B but uses a C band receiver instead While many combinations are...

Page 55: ... Maximum Cable Length 165 ft 50 3 m RG 6 or equivalent Recommended Maximum Cable Length 225 ft 68 6 m RG 6 or equivalent Recommended Maximum Cable Length 150 ft 45 7 m LDF4 50 Diagram A Standard Installation Diagram B Standard Installation with Two Receivers Diagram C LNA Installation with Splitter Outside Diagram D LNA Installation with Splitter Indoors Two Way Splitter Two Way Splitter Two Way S...

Page 56: ... Eb ST and Eb N0 S N W R because Eb N0 ST N0 S RN0 SW RN0W S N W R Eb N0 is a standard measure of digital system modulation and detection quality When two methods are being compared the one with the smaller Eb N0 is the more efficient The StarGuide s Eb N0 is 4 5dB Eb N0 may also be used as a measure of signal quality in a particular downlink installation in which case the larger the Eb N0 the bet...

Page 57: ...power OFF then ON The output port is not configured Configure the port for the desired provider and service see Section 4 2 2 The Port Menu The selected service is not authorized Call your service provider to be authorized No audio present The cabling is incorrect Check the cabling see Appendix A Audio Decoder Module The signal strength is low Peak the antenna Terrestrial interference is jamming y...

Page 58: ...AIL 00000010 Flash Memory Busy Fault FLASH BUSY FAIL 00000020 Flash Memory Initialization Fault FLASH INIT FAIL 00000040 Software Download Checksum Fault SWDL CS FAIL 00000080 Demultiplexer Acknowledge Fault DEMUX ACK FAIL 00000100 PLL Lock Fault PLL LOCK FAIL 00000200 Demodulator Lock Fault DEMOD LOCK FAIL 00000400 Demultiplexer Lock Fault DEMUX LOCK FAIL 00000800 Code Download Ready CODE SWDL RE...

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