Home

Instruction Manual SCT4860 Transcoder System

image

Contents

1. SC 14860 Transcoder System Instruction Manual DRAKE TRANSCODER SYSTEM D 1 1 12 45 dB o D L BAND INPUTS oo m ty ojo oooo0oa oo a 6 O O 5 O E D a Q n a D e A i B a DE a GE a A b R E e E DRAKE is a registered trademark of the R L Drake Holdings LLC Copyright 2012 R L Drake Holdings LLC P N 651228900A Printed in China Rev 20121008 1002388 2 Table of Contents Caution amp Important Safety Instructions CAUTION STATEMENTS cccceeceteeeeeeeeeeeeeeeeeeeeeeeees IMPORTANT SAFETY INSTRUCTIONS o SPECIFICATIONS cesisissenssceuseanesesessinssionectusesdvaessaaesaienaevtats GENERAL DESCRIPTION ccccceeeeeeeeeeeeeeeeeeeeeeeeeees INSTALLATION AND MOUNTING CONTROLS AND CONNECTIONS oseese LNB INPUT SETUP AND PROGRAMMING ADDITIONAL FEATURES isrener CATV CHANNEL FREQUENCIES naerenn BROADCAST TV CHANNEL FREQUENCIES SERVICE IF YOU NEED TO CALL FOR HELP WARRANTY cerre retiepocdui enced E E Caution Statements WARNING TO PREVENT FIRE OR ELECTRICAL SHOCK DO NOT EXPOSE TO RAIN OR MOISTURE RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL A product and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the product and cart combination
2. Carrier Suppression 45 dB gt 40 dB with blind equalizer Symbol Rate 1 Mbaud to 7 Mbaud RS232 CONTROL Data Link 4800 baud interface to PS151 via power supply cable pS 232 Input DB 9 connector on PS151 for connection to modem or PC RS232 Output DB 9 connector on PS151 for connection to additional transcoders GENERAL Operating Temperature Range 0 C to 50 C ambient 1 Ib 6 oz Power Requirement All voltages are provided by the Drake model PS151 power supply PS151 power requirement 90 to 260 VAC 150 W maximum w 10 transcoders powered TRANSPORT STREAM GROOMING Auto clock mode None Fixed clock mode Null packets are dropped or added as necessary to provide user selected fixed output baud rate PCR Restamping When required Specifications subject to change without notice or obligation General Description 5 CRAKE DRAKE TRANSCODER SYSTEM a ee C ak D 1 1 12 45 dE A L BAND INPUTS oo ooo0o0 ooocqcodoqodaaqnca oe lt Me a5 ojo oogogodoqdcoon oooegcaeqcoaqaod O General Description The R L Drake model SCT4860 is a professional quality modular digital headend component providing QPSK or 8PSK input to QAM transmodulation and RF upconversion functions in a single module Up to ten SCT4860 modules and a power supply module can be accommodated in the RMT150 rack mounting tray occupying only a 2 unit 3 5 high rack spa
3. ao I DVB or TURBO op Le aaa DUAL POL ie MODE H 3 G10 f STACKED T IF FREQ BE BME DEEDE m Fi i I DCI l 7912 I Seld Selectiomatch ENABLED TU A DAVIC HITS I l desired freq transmitted DISABLED ITU B DYB G10 il 950 0 to symbol rate ila USS ee MHz Example DISHScan 19 510 M TURBO COMBINED Ak DVE Mi pss SPLIT Q SPLIT l ien E ee Cees OPSK34 _ BPSK 2 3 BPSK 4 5 QPSK 5 6 DISHScan Mode Only OPSK TA eee aL ey CA e eb IF FREQ gt 1 BPSK 8 9 Select BPSK 3 4 desired freq l QPSK 2 3 950 0 to 2150 MHz LBS CHANNEL raha RF OUT OUTPUT BD RATE CLOCK INTERLV MODULAT A Select EIA OFF AIR Select level NORMAL Set desired Auto Soer inay Select for B output channel CATV 25 40 dBmV o fixed output Fixed _ if Ue ITU A 2 105 IRC oo baud rate is selected 16 QAM HRC 128 31 128 55 32 QAM PRBS15 1128 32 18 J16 64 QAM PRBS15M 164 32 1128 6 128 QAM i PRBS23 128 33 14 732 256 QAM PS151 POWER SUPPLY eas Wass Gacy 512 OAM D78 DJG 1024 QAM 16 38 I128 J8 Tl J128 ITU B 5232 LBS A LBS B 64 QAM OOOO VV VY 256 QAM 700 a Select desired 1024 QAM 4800 i ae rack ID number 9600 z eee TY 0 7 assignable via AS23932 by PC only 19200 CD ROM V2 7 or above required 10 Setup and Programming continued To adjust set a parameter s enter the adjust mode by pressing the center ENTER button for several seconds until the display begi
4. to overturn The lightning flash with arrow head symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the product WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE DO NOT OPEN THE CABINET REFER SERVICING TO QUALIFIED PERSONNEL ONLY CAUTION TO PREVENT ELECTRIC SHOCK DO NOT USE THIS POLARIZED PLUG WITH AN EXTENSION CORD RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE ATTENTION POUR PREVENIR LES CHOCS ELECTRIQUES NE PAS UTILISER CETTE FICHE POLARISEE AVEC UN PROLONGATEUR UNE PRISE DE COURANT OU UNE AUTRE SORTIE DE COURANT SAUF SI LES LAMES PEUVENT ETRE INSEREES A FOND SANS EN LAISSER AUCUNE PARTIE A DECOUVERT Important Safety Instructions MOO ee O D a or near a swimming pool and the like Follow Instructions All operating and use instructions should be followed Read Instructions All the safety and operating instructions should be read before the product is operated Retain Instructions The safety and operating instructions should be re
5. DISH Network transponder that is desired You will then advance all the way to the OUTPUT menu as the SCT4860 will automatically search for and set the satellite symbol rate and FEC Based on what is found the SCT4860 will then automatically select the proper QAM encoding QAM modulation level Interleave etc Finally set the desired output level and EIA channel in the appropriate menus If the modulation on a particular transponder is changed by DISH in the future the SCT4860 will automatically reacquire the new signal assuming it s on the same frequency and automatically set the various satellite demodulator and QAM modulator parameters Using the presets will significantly shorten the set up time for a new headend These preset settings can be altered at any time if the required parameters change in the future Whenever DISHScan is selected the rain fade logic is automatically enabled TURBO FEC Some advanced satellite FEC modes may be selected under the TURBO menu 12 Additional Features OUTPUT LEVEL The SCT4860 provides a 40 dBmV QAM output level that is desirable when transcoders are combined with analog modulators that have 45 dBmV output level The SCT4860 output level can be turned down as much as 15 dB if a lower level is desired Each SCT4860 s RF output level can be read out on the PS151 power supply LCD when that unit is selected or via the RS232 remote connection Because some operators may not have test equipmen
6. after it arrives at R L DRAKE if we have all the facts If we must call you it may take longer R L DRAKE is not responsible for damage caused by lightning nonprofessional alterations acts of God shipping damage poor storage handling etc R L DRAKE will make note of any shipping damage upon receipt You will need to send proof of purchase to receive warranty service Typically a copy of the invoice from an R L DRAKE dealer will suffice The warranty is for the original owner only and is not transferable Warranty 19 Three Year Limited Warranty R L DRAKE HOLDINGS LLC warrants to the original purchaser this product shall be free from defects in material or workmanship for three 3 years from the date of original purchase During the warranty period R L DRAKE HOLDINGS LLC or an authorized Drake service facility will provide free of charge both parts and labor necessary to correct defects in material and workmanship At its option R L DRAKE HOLDINGS LLC may replace a defective unit To obtain such a warranty service the original purchaser must 1 Retain invoice or original proof of purchase to establish the start of the warranty period 2 Notify R L DRAKE HOLDINGS LLC or the nearest authorized service facility as soon as possible after discovery of a possible defect of a the model and serial number b the identity of the seller and the approximate date of purchase and c A detailed description of the probl
7. see chart This is where the user may select the setting of the LNB input switch for that transcoder either LNB input A or LNB input B may be selected An eight character name such as DISH 110 can be programmed for the A setting and the B setting so that the setting is more meaning if monitored remotely This name may be programmed only via the RS232 remote program using version 2 7 or above CDROM CATV CHANNEL FREQUENCIES 15 Table 1 CATV CABLE TV CHANNELS CABLE TV CHANNELS CABLE TV CHANNELS Channel Channel Center of Channel Center of Number Number Channel Number Channel EIANCTA EIANCTA Numeric Numeric Equivalent Equivalent 16 BROADCAST TV CHANNEL FREQUENCIES Table 2 BC TV VHF BROADCAST CHANNELS UHF BROADCAST CHANNELS Center of Channel Center of Channel Frequency MHz Frequency MHz Service If You Need To Call For Help 17 SERVICE INFORMATION You may contact the R L DRAKE Service Department for additional information or assistance by calling 1 937 746 6990 Monday through Friday between 8 00 A M and 4 00 P M Eastern Time except on holidays You may also contact the R L DRAKE Service Department by E mail at the following address TechSupport rldrake com or by Telefax 1 937 806 1510 Should you want to return your unit for service package the unit carefully using the original carton or other suitable container Write your return address clearly on the shipping carton and on an e
8. that could result in a fire or electric shock Never spill liquid of any kind on the product Servicing Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous voltage or other hazards Refer all servicing to qualified service personnel Damage Requiring Service Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions a When the power supply cord or plug is damaged b If liquid has been spilled or objects have fallen into the product c If the product has been exposed to rain or water d If the product does not operate normally by following the operating instructions Adjust only those controls that are covered by the operating instructions as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to its normal operation e If the product has been dropped or damaged in any way and f When the product exhibits a distinct change in performance this indicates a need for service Replacement Parts When replacement parts are required be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part Unauthorized substitutes may result in fire electric shock or other hazards Safety Check Upon completion of any service or repairs to this product ask the service tech
9. 0 and 25 dBm The L band frequency range will be in the 950 to 2150 MHZ range F8 LED The LED on each SCT4860 will blink on and off for approximately 3 seconds when that unit is selected When in the adjust mode it will blink continuously When in the normal mode it will be lit continuously whenever power is applied 8 Controls and Connections continued Rear Panel Connections ij 2 B 7 r WEL LE RF OUTPUT O Se ga Bi RS232 OUT H Cr R6 7 e Jo T F 5992 IN aH 1 R3 wie a T pa 240 VAC ee 63 HE 125 W PE Mi fi OF aHa H T R5 R1 RS232 OUT This RS232 serial connector can connect to the RS232 IN connector on another rack containing a PS150 PS151 or PS100 power supply included transcoders could be SCT860 SCT1860 SCT2860 or SCT3860 transcoders thus allowing computer control of multiple racks of these units with the same PC connection R2 RS232 IN Connecting this RS232 serial connector to the serial port of a personal computer equipped with Drake RS232 remote control software allows remote monitoring and programming of each transcoder Alternatively can be connected to the Drake SCTeci No connection is required for front panel control R3 Fan Power Connect the two conductor cable from the front panel fans to this connector R4 Power Out These connectors are for connecting the power cables from each individual SCT4860 to the PS151 power supply The other end of each ca
10. B9 to DB9 RS232 jumper cable from the OUTPUT of the first supply to the INPUT of the second supply You can extend this to additional supplies as long as the total number of PS151s to control does not exceed 7 70 SCT1860 2860 3860 4860s and the number of SCT860s does not exceed 64 In order for the PC software to identify the proper SCT4860 to which you wish to connect each SCT4860 must be assigned a unit ID number The unit ID number consists of the rack number a dash and the number of the unit in a given rack For example the third unit plugged into power socket numbered 3 in rack number one would have a unit ID number of 1 3 and the tenth unit in rack number three would have a unit number of 3 10 The number of each unit in a given rack is determined by the connector number on the PS151 power supply to which it is connected Programming the rack number is easily accomplished by using the PS151 RACK ID menu and setting the ID number with the PS151 front panel set up buttons If no RS232 control is desired this RACK ID number should be set to 0 The PS151 will not respond to RS232 activity when its RACK ID is 0 Any number of PS151s can have a rack ID of O When using RS232 assign a unique ID between 1 1 and 7 10 for each SCT4860 to be controlled Do not duplicate a number among any of the up to 70 transcoders that are to be connected through the same RS232 path to the PC This RS232 connection can be used by directly connecting to
11. a PC serial port or remotely by interfacing through modems If an auto answer modem is used at the headend one can interface via telephone connection The RS232 connection can be used to download new operating firmware to the SCT4860 if needed for use with future options For remote control operation PS150 SCT1860 systems and or PS100 SCT860 systems can be daisy chained with PS151 SCT2860s SCT3860s and SCT4860s if desired and can be controlled by the same PC using the Drake supplied software A maximum of 64 SCT860s can be connected in this fashion in addition to the maximum of 70 SCT1860 2860 3860 4860s Any combination of PS100s PS150s and PS151s can be connected in this manner as long as the maximum numbers indicated above are not exceeded 14 Additional Features continued Using the SCTs with the LBS2250 L Band Splitter The LBS2250 unit should be mounted above the RMT150 with no extra space between the units One or two LNB L band inputs in the range of 950 to 2250 MHz may be connected to the inputs of the LBS On the front panel side of the rack the LNB inputs of each SCT should be connected with a short coaxial jumper cable to the output of the LBS that is directly above it Then the power supply cable of any one of the transcoders should be looped through the LBS2250 When a LBS2250 has been connected as described in the previous paragraph a new menu will appear in the SCT menu chain between the MODE and CHANNEL menus
12. amplified splitter in addition to a CATV output combiner It provides these functions in only 1 RU of rack space Also plug the cable from the front panel fan module into the FAN POWER receptacle on the rear of the power supply Plug the line cord from the PS151 into the AC power source SCT4860s can be mixed with SCT1860s SCT2860s or SCT3860s and one PS151 When installing the RMT150 tray of transcoders it is not necessary to leave a vertical airspace between the transcoder tray and other equipment unless that other equipment specifies that a space should be left open The air flow through the transcoders and power supply has been designed to allow immediate adjacent mounting of multiple RMT150 trays with SCT4860 transcoders and PS151 power supplies installed Of course air spaces may be left in between RMT150s if desired 47 63 HZ 125 W Plo HHHH Controls and Connections 7 Front Panel Controls and Indicators DRAKE TRANSCODER SYSTEM C 5 of F1 o E maila O 12 45 dB oo 0 o D O of o O 6 UNT 6 O O ENTER SELECT O O 0 4 Or Ore F2 O 5 0 o O F6 F5 F4 F3 F1 LCD Display This displays the PS151 or selected transcoder parameter and its setting F2 UNIT SELECT Left and Right Buttons These select either the PS151 power supply or one of ten SCT4860 transcoders Information from the selected unit will be displayed on the LCD display for parameter adjustment When either button is presse
13. ble can be plugged into any one of the ten transcoders However to minimize confusion it is strongly suggested that the left most unit as viewed from the front panel be connected to power supply socket number 1 the second from the left to number 2 etc Do not attempt to use any power supply other than this Drake supplied model R5 Power In This connector supplies power and program control to the SCT4860 Connect a cable from this connector to the appropriate connector on the PS151 power supply See R4 above R6 RF Output This is the QAM output channel RF output The frequency range is between 54 and 864 MHz depending upon the channel selected The output level is 25 to 40 dBmV nominal adjustable in 1 dB steps NOTE Although the above discussions refer to the SCT4860 transcoder modules other Drake transcoders may be mixed with SCT4860s in the same RMT150 rack mounting tray These include the SCT1860 SCT2860 and SCT3860 The PS151 power supply control module will recognize each type of transcoder Also SCT4860 transcoders although controlled by a different power supply model the PS100 can have the RS232 control daisy chained with the PS150 and PS151 controlled transcoders LNB Input Setup and Programming 9 LNB Input and LNB Powering The SCT4860 receives its input signal from the IF output of the LNB located on the satellite dish Because this LNB output usually is split among multiple transcoders the LNB power mu
14. ce The SCT4860 can transcode DigiCipher Il or DVB digital satellite signals included those with advanced turbo satellite FEC modes outputting QAM modulation The SCT4860 accepts L band RF inputs between 950 and 2150 MHz from the LNB at the satellite dish The transcoder demodulates the selected satellite QPSK or 8PSK signal The forward error correction FEC imbedded in the data stream is used to help retrieve an error free digital transport stream containing the desired digital programming multiplex If a fixed output clock rate has been reached the null packets in the transport stream are processed to provide the selected rate When required PCRs are recalculated The transcoder then applies cable environment FEC to this stream and remodulates using QAM modulation that occupies a nominal 6 MHz wide cable channel slot QAM modes up through 1024 QAM are supported The RF upconverter then upconverts the IF QAM signal to the selected output channel any standard EIA IRC or HRC CATV channel or a broadcast off air channel frequency in the range of 54 to 860 MHz Bandpass flatness and phase noise are very closely controlled in the SCT4860 to insure a high MER and S N ratio of the output signal This insures that the transcoder will not introduce a source of errors into the distribution process Because the MPEG2 transport stream information is not modified by the transcoder all encryption authorization and program guide information is passed on
15. channel powers equal to the CW powers set up RAIN FADE LOGIC When the rain fade feature is enabled the transcoder will mute its RF output whenever the input S N drops below a usual level This logic is always enabled in the DISHScan mode STANDBY MODE The SCT4860 has a standby output mode which turns off the RF output This can be used when it is desirable to keep a backup unit on line The standby mode can be selected via the OUTPUT menu POWER SUPPLY The SCT4860 requires multiple power supply voltages that are all obtained from the Drake model PS151 power supply module The PS151 mounts in the RMT150 rack tray along with one to ten SCT4860 or other similar Drake models transcoders The PS151 buffers and distributes the RS232 remote control data from its DBQ RS232 INPUT connector to up to ten transcoders and to the DB9 RS232 OUTPUT connector Multiple PS151s can be daisy chained via the DB9 INPUT and OUTPUT connectors to allow control of up to 70 transcoder modules with a single connection to a PC The PS151 operates over a wide range of AC input voltages from 90 VAC to 264 VAC The USA version has an attached 3 wire line cord Power consumption from the AC line will be around 150 W maximum with ten transcoders installed In many cases the power will below this level Additional Features continued 13 RS232 REMOTE CONTROL AND MONITORING The SCT4860 provides for remote control and or monitoring of all transcoder paramete
16. d once the LED of the selected transcoder will blink for about 3 seconds but the unit selected will not change The second press within 3 seconds will increment or decrement to the next higher or lower numbered unit The PS151 power supply menu falls between transcoder numbers 10 and 1 F3 Left and Right Buttons Use the left or right buttons to navigate from screen to screen to view a parameter setting This will not alter any settings If in the adjust mode stop at the parameter you wish to adjust and use the up and down buttons to adjust F4 Up and Down Buttons Use the up and down arrows to adjust a parameter value when in the adjust mode When not in the adjust mode pressing the up button will display the software version readout and pressing the down button will display the QAM modulation output baud rate readout F5 ENTER Use the ENTER button to enter the adjust mode or to save and load a new setting or settings Hold for 2 seconds until the display flashes to enter the adjust mode After adjustment using the up or down arrow buttons press again to save and load the new settings You may save one parameter at a time after it is adjusted or wait until all adjustments are made and press to save and load all at once F6 FAN One of five front panel cooling fans To ensure proper cooling do not block these openings F7 L BAND INPUTS These are the L band inputs from the LNB The level must be between 7
17. e openings must not be blocked or covered The openings should never be blocked by placing the product on a bed sofa rug or similar surface This product should not be placed in a built in installation such as bookcase or rack unless proper ventilation is provided or the manufacturer s instructions have been adhered to Power Sources This product should be operated only from the type of power source indicated on the marking label If you are not sure of the type of power supplied to your home consult your product dealer or local power company For products intended to operate from battery power or other sources refer to the operating instructions Grounding or Polarization This product may be equipped with a polarized alternating current line plug a plug having one blade wider than the other This plug will fit into the power outlet only one way This is a safety feature If you are unable to insert the plug fully into the outlet try reversing the plug If the plug should still fail to fit contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of the polarized plug Alternate Warnings If this product is equipped with a three wire grounding type plug a plug having a third grounding pin the plug will only fit into a grounding type power outlet This is a safety feature If you are unable to insert the plug into the outlet contact your electrician to replace your obsolete outlet Do not defeat the safety pu
18. em including details on the electrical connection to associated equipment and the list of such equipment 3 Deliver the product to R L DRAKE HOLDINGS LLC or the nearest authorized service facility or ship the same in its original container or equivalent fully insured and shipping charges prepaid Correct maintenance repair and use are important to obtain proper performance from this product Therefore carefully read the Instruction Manual This warranty does not apply to any defect that R L DRAKE HOLDINGS LLC determines is due to 1 Improper maintenance or repair including the installation of parts or accessories that do not conform to the quality and specifications of the original parts 2 Misuse abuse neglect or improper installation 3 Accidental or intentional damage All implied warranties if any including warranties of merchantability and fitness for a particular purpose terminate three 3 years from the date of the original purchase The foregoing constitutes R L DRAKE HOLDINGS LLC S entire obligation with respect to this product and the original purchaser shall have no other remedy and no claim for incidental or consequential damages losses or expenses Some states do not allow limitations on how long an implied warranty lasts or do not allow the exclusions or limitation of incidental or consequential damages so the above limitation and exclusion may not apply to you This warranty gives you specific legal rights and y
19. hanges any other parameters that might have been adjusted previously to the preset values If you do not wish to use presets be sure that you have chosen the DCII selection before pressing the enter button to load and save the values SCT4860 QUICK START for HITS Front Panel Control 1 Connect cables from LNB to output combiner and to PS151 power supply 2 Plug PS151 AC line cord into power source 3 Use the Unit Select Left and Right buttons to select the PS151 power supply 4 Push ENTER button on PS151 for 2 seconds until display flashes to enter adjust mode 5 Use the Unit Select Left or Right buttons to select RS232 6 Use Up or Down buttons to set to 4800 unless another rate is indicated when setting up a modem interface Press ENTER to save this setting 7 Use the Unit Select Left and Right buttons to select the desired SCT4860 8 Push ENTER button on PS151 for 2 seconds until display flashes to enter adjust mode 9 Left arrow CHANNEL menu Use the Up or Down arrow buttons to select the desired EIA CATV output channel for this program multiplex 10 Right arrow MODE menu Up or Down arrows to select HITS 11 Right arrow HITS menu oo Down arrows to select the desired ous corresponding to the EIA output channel that you set in step 9 This correlation is determined by the channel map used for your installation 12 Right arrow LNB menu Up or Down arrows STACKED or DUAL POL Set to the type y
20. nclosed cover letter describing the service required symptoms or problems Also include your daytime telephone number and a copy of your proof of purchase The unit will be serviced under the terms of the R L DRAKE HOLDINGS LLC Limited Warranty and returned to you IF YOU NEED TO CALL FOR HELP Call our Customer Service Technical Support line at 1 937 746 6990 between 8 00 A M and 4 00 P M Eastern Time weekdays Please have the unit s serial number available We will also need to know the specifics of any other equipment connected to the unit When calling please have the unit up and running near the phone if possible Our technician s will likely ask certain questions to aid in diagnosis of the problem Also have a voltmeter handy if possible R L DRAKE also provides technical assistance by e mail TechSupport rldrake com or by Telefax 1 937 806 1510 Many of the products that are sent to us for repair are in perfect working order when we receive them For these units there is a standard checkout fee that you will be charged Please perform whatever steps are applicable from the installation sections of the Owner s Manual before calling or writing this could save unnecessary phone charges Please do not return the unit without contacting R L DRAKE first it is preferred to help troubleshoot the problem over the phone or by mail first saving you both time and money Inside the carton enclose a note with your name addre
21. nician to perform safety checks to determine that the product is in proper operating condition Wall or Ceiling Mounting The product should be mounted to a wall or ceiling only as recommended by the manufacturer Heat The product should be situated away from heat sources such as radiators heat registers stoves or other products including amplifiers that produce heat ANTENNA LEAD IN WIRE NOTE TO CABLE INSTALLER THIS REMINDER IS PROVIDED TO CALL THE CATV SYSTEMINSTALLER S ATTENTION TOARTI CLE 820 40 OF THE NEC THAT PROVIDES GUIDE LINES FOR PROPER GROUNDING AND IN PAR TICULAR SPECIFIES THAT THE CABLE GROUND SHALL BE CONNECTED TO THE GROUNDING SYSTEM OF THE BUILDING AS CLOSE TO THE POINT OF CABLE ENTRY AS PRACTICAL ANTENNA DISCHARGE UNIT NEC SECTION 810 20 GROUNDING CONDUCTORS NEC SECTION 810 21 ELECTRIC SERVICE EQUIPMENT GROUND CLAMPS POWER SERVICE GROUNDING _ _ ELECTRODE SYSTEM NEC ART 250 PART H NEC NATIONAL ELECTRIC CODE Example of antenna grounding as per National Electrical Code ANSI NFPA 70 4 Specifications SATELLITE INPUT 75 Ohms return loss of 10 dB minimum QPSK 8PSK 1 2 2 3 3 4 5 6 6 7 7 8 DVB 5 11 1 2 3 5 2 3 3 4 4 5 5 6 7 8 DCI QAM OUTPUT 75 Ohms return loss of 10 dB minimum 25 to 40 dBmv displayed Standard IRC or HRC CATV channels or off air broadcast channels 75 dBc 6 MHz bandwidth 103 dBc Hz 10 kHz offset
22. ns to flash You are now in the adjust mode and the up and down buttons will take you through the various parameters Find the desired setting and then use the right arrow to progress to the next menu After setting all parameters in all menus press the ENTER button once This will load the settings and save them in memory Pressing the left or right UNIT SELECT button will also load the settings and save them in memory just as would pressing the ENTER button in addition to moving to an adjacent transcoder Note that many of the parameters will not be changed until the ENTER button is pressed These include MODE related settings LNB type IF FREQ BD RATE ENCODER MODULATE and INTERLV If you need to see the result of a change right away for these parameters press the ENTER button to load and store the new parameter setting and then you can reenter the adjust mode by pressing the ENTER button again for several seconds The RACK ID RS232 OUTPUT RF OUT level and CHANNEL output settings will all change immediately as soon as they are adjusted PRESETS FOR HITS The SCT4860 provides factory loaded presets for HITS When a preset is selected and entered all of the operating parameters for the satellite tuner demodulator and for the QAM modulator are set to the preset settings You will then need to set only the output channel and level and LNB related parameters Note that selecting and entering the HITS options in the mode menu c
23. ou are using 13 ENTER Push once to store and load all of the above settings Setup and Programming continued 11 By selecting the HITS mode in step 10 instead of the generic DCII setting many of the other adjustable parameters have been preset to the values required for these networks determined by the preset programming in the SCT4860 If you reenter the adjust mode later and make changes to the preset parameters or if you altered any of the parameters that were preset during the steps above such that the values do not match the preset values the display in the mode menu will revert to DCII If the dish has been aimed you should now see a SN readout on the display If it is less than 7 dB the transcoder will not stay locked to the satellite signal If the SN reading is showing only around 2 dB you likely are not pointed at the correct satellite or the dish is not peaked For reliable operation the SN level should be above 10 dB and preferably even higher The better the margin above the approximately 7 dB threshold the less likely you will encounter drop outs due to thunderstorms or snow storms NOTE If you are using the RS232 remote control program all of the above adjustments may be made via the PC except the RACK ID assignment for the PS151 module DISH NETWORK AUTO SET When the using the SCT4860 for DISH Network select DISHScan from the MODE menu Next in the IF FREQ menu select the IF frequency that corresponds to the
24. ou may also have other rights which vary from state to state This warranty shall be construed under the laws of Ohio For Service contact R L DRAKE HOLDINGS LLC 710 Pleasant Valley Drive Springboro Ohio 45066 USA Customer Service and Parts Telephone 1 937 746 6990 Telefax 1 937 806 1510 Web Site http www rldrake com eee R L Drake Holdings LLC 710 Pleasant Valley Drive Springboro Ohio 45066 USA Customer Service and Parts Telephone 1 937 746 6990 Telefax 1 937 806 1510 Web Site http www rldrake com
25. r settings It is possible to view all of the current parameter settings including the output level setting for each transcoder It is also possible to remotely monitor the SNR level and the baud rate The LBS2250 settings may monitored or changed The transcoder parameter settings may be uploaded to a PC file for saving on the PC or a new parameter configuration from the PC file can be downloaded to the SCT4860 A single parameter may be adjusted if desired It is possible to put all transcoders in or out of CW mode with a single command A unit may be placed in or taken out of the standby mode A password can be assigned to prevent unauthorized changes to parameter settings but the present settings can be read out remotely without entering the password Further details on the R8232 control program are provided with the instructions included with the CDROM containing the control program shipped with your PS151 power supply The previously described remote interface is accomplished by connecting an RS232 interface cable between the PS151 power supply DB9 INPUT connector and a PC serial port The required program is supplied by Drake with the PS151 power supply This setup will allow RS232 interfacing to up to ten SC T4860 transcoders connected to the PS151 When more than one tray of transcoders is used the OUTPUT DB9 connector on the PS151 can be used to link to a second PS151 as well as a PS150 SCT1860s or a PS100 SCT860s in the same headend Use a D
26. rpose of the grounding type plug Mise a la terre ou Polarisation Cet appareil est quip avec un cordon d alimentation a trois fils Il est a brancher sur une prise ayant un connecteur a la terre Assurez vous que la connection a la terre ne manque pas Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at plugs convenience receptacles and the point where they exit from the product Lightning For added protection for this product during a lightning storm or when it is left unattended and unused for long periods of time unplug it from the wall outlet and disconnect the antenna or cable system This will prevent damage to the product due to lightning and power line surges Power Lines An outside antenna system should not be located in the vicinity of overhead power lines other electric light or power circuits where it can fall into such power lines or circuits When installing an outside antenna system extreme care should be taken to keep from touching such power lines or circuits as contact with them may be fatal Overloading Do not overload wall outlets extension cords or integral convenience receptacles as this can result in a risk of fire or electric shock Object and Liquid Entry Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short out parts
27. ss daytime phone number and a description of the unit s problem The unit must be sent to the following address Service Department R L DRAKE 710 Pleasant Valley Drive Springboro Ohio 45066 USA Be sure to include your street address which will be needed for UPS return UPS Surface Brown Label takes 7 10 days to reach us depending on your location Blue takes 2 3 days Red is an overnight service Send the unit in a way that it can be traced if we can t verify receipt of shipment We suggest UPS or insured postal shipment If the unit is still under the original owner s warranty R L DRAKE will pay the cost of the return shipment to you Our return shipping policy is that we will return it UPS Brown if received Brown or by US Mail it will be returned Blue if received Blue or Red or it will be returned however you prefer if you furnish the return cost for the method you select 18 If You Need To Call For Helo continued If the unit is out of warranty use one of the following methods for return shipment 1 You designate billing to American Express VISA MasterCard or Discover card 2 You prepay the service charges with a personal check or 3 You specify some other method of return and payment When calling the technician can estimate the repair charges for you over the phone This is another good reason to call before sending a unit in for repair Typically equipment is repaired in five to ten working days
28. st be obtained from a separate power inserter and supply that is connected ahead of an L band splitter The SCT4860 does not have the capability to supply LNB power SETUP AND PROGRAMMING The programming of each SCT4860 in an RMT150 rack mounting tray is done from the PS151 power supply mounted in that rack The UNIT SELECT buttons on the PS151 are used to select the unit to be programmed including the PS151 itself The actual programming is done via the five buttons on the left side of the PS151 If the RS232 remote control is connected all programming other than the setting of the PS151 RACK ID number and password programming can be done remotely The chart below shows each of the menus that are available for parameter set up and or viewing for both SCT4860s and the PS151 Power Supply Pressing the left or right arrow buttons will navigate through these menus You may do this without danger of disturbing any of the current settings As you navigate through the menus the parameter is listed on the top line of the display and the current setting is shown on the bottom line For set up purposes it is best to progress clockwise in the chart below use the right arrow button starting from the RS232 adjustment on the PS151 and the MODE menu for each of the SCT4860s The charts below show all of the settings that are available through these menus DSS or DVB SCT4860 TRANSCODER l I p gt HITS H l l LE 326 E ae esa I
29. t designed to measure QAM power levels and analog meters may be grossly inaccurate if a QAM signal is read the SCT4860 has a CW output mode that can be useful for measuring adjusting the output level of the transcoder with any meter that measures CW carrier power A special QAM instrument is not required No input signal is required for this measurement The CW carrier power is equal to the QAM power level that will result when the unit is returned to a normal QAM modulation mode IMPORTANT NOTE When the SCT4860 is placed in the continuous wave CW mode the output carrier frequency will be at the center of the output channel It will not be located at the NTSC video carrier frequency Adjust test equipment accordingly to obtain an accurate result The PC control software allows all transcoders to be easily switched to the CW mode at one time for set up purposes After any level tweaks are made they can all be switched back to normal mode at one time It is also possible to individually select a single transcoder to be switched to the CW mode if desired In a typical leveling process the output of the headend is monitored after the final combiner and all analog channel levels are set to the desired level Then with the SCT4860s all set for CW output the SCT4860 CW carrier levels can be all tweaked to a desired level usually 6 to 10 dB below the analog video carrier levels When switched back to normal mode the SCT4860s will all be outputting QAM
30. tained for future reference Heed Warnings All warnings on the product and in the operating instructions should be adhered to Cleaning Unplug this product from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleansers Use a damp cloth for cleaning Attachments Do not use attachments that are not recommended by the product manufacturer as they may cause hazards Water and Moisture Do not use this product near water for example near a bathtub wash bowl kitchen sink or laundry tub in a wet basement 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Important Safety Instructions continued 3 Accessories Do not place this product on an unstable cart stand tripod bracket or table The product may fall causing serious injury to a child or adult and serious damage to the product Use only with a cart stand tripod bracket or table recommended by the manufacturer or sold with the product Any mounting of the product should follow the manufacturer s instructions and should use a mounting accessory recommended by the manufacturer A product and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the product and cart combination to overturn Ventilation Slots and openings in the cabinet are provided for ventilation and to ensure reliable operation of the product and to protect it from overheating and thes
31. to the CATV set top box unchanged 6 Installation and Mounting Installation and Mounting Install the SCT4860 transcoders in the RMT150 rack mounting frame Slide each module into the tray so that the F connector extends though the front panel hole the LED is properly aligned behind its front panel hole and the hook shaped projection on the bottom of the module engages the rear of the mounting tray Secure the module with the supplied standard 1 2 inch F connector mounting nut and nylon washer Similarly mount the PS151 power supply in the RMT150 tray making sure that the LCD display and control buttons line up with their corresponding holes in the front panel and that the hook shaped projections on the rear of the unit engage the rear of the mounting tray Secure the unit in place with the supplied Philips head black screws from the front panel Connect each SCT4860 to the PS151 with the cable included with the SCT4860 Each SCT4860 can connect to any one of the ten sockets on the power supply However to minimize confusion it is suggested that the left most unit as viewed from the front panel be connected to power supply socket number 1 the second from the left to number 2 etc Connect the LNB signal from the LNB splitter to each SCT4860 module at the front panel connector Connect each SCT4860 RF output F connector on the rear of the unit to the output combiner The Drake model LBS2250 is a combination LNB L band multiswitch

Download Pdf Manuals

image

Related Search

Related Contents

ダウンロード - 島津製作所  Jabra BT2015  Philips PerfectCare Azur Steam iron GC4910/10  ProLoop2 - Bircher  HP IPAQ RX3000 User's Manual    

Copyright © All rights reserved.
Failed to retrieve file