background image

© Copyright, Televés S.A.

S

atellite

D

igital

T

ranscoder

T

ransmodulador

S

atélite 

D

igital

8PSK-QAM

U s e r     m a n u a l   -   M a n u a l   d e   i n s t r u c c i o n e s

Summary of Contents for 8PSK-QAM

Page 1: ... Copyright Televés S A Satellite Digital Transcoder Transmodulador Satélite Digital 8PSK QAM U s e r m a n u a l M a n u a l d e i n s t r u c c i o n e s ...

Page 2: ......

Page 3: ...tion and use of the system elements 9 4 1 8PSK QAM 9 4 2 Power supply unit 10 4 3 Amplifier 11 4 4 Universal programmer 12 5 Programming procedure 13 5 1 Normal menu 13 5 2 Extended menu 15 5 3 Saving the parameters 16 5 4 Status leds 17 6 Access code 17 7 Controlling the device 18 8 Typical application 19 9 Norms for rack mounting 20 10 Norms for cabinet mounting 22 ...

Page 4: ... TS parallel 188 byte format Output symbol rate 7 2 Mbaud max Scrambling DVB ETS300429 Modulation format 16 32 64 128 256 QAM Interleaving DVB ETS300429 Output spectrum NORMAL INVERTED FEC QPSK legacy Red Solomon 188 204 Output frequency 46 862 MHz Output thru losses 1 5 dB typ Output level 5 20 dBmV Output VSWR 12 dB typ Regulation margin 15 dB min IQ amplitude imbalance 0 1 dB Phase jitter 0 4 º...

Page 5: ...lies Broaband Amplifier 5075 Broaband Amplifiers 5339 533901 Frequency range 47 862 MHz Connector type F Gain 44 dB Powering 110 V Regulation margin 20 dB Consumtion at 24 V 430 mA Output level 60 dB 104 dBµV 42 CH CENELEC Test socket 30 dB Broaband Amplifier 4514 24V 0 55 A Mains voltage 230 15 V Maximum currents 18V 0 8 A Output voltages 5 15 18 24V 15V 4 2 A 1 5V 6 6 A Power supply 502905 24V 0...

Page 6: ...50 60 Hz 24 V 0 55 A UL compatible 18 V 0 8 A 15 V 4 2 A 1 5 V 6 6 A Ref 7234 Universal Programmer Ref 5071 Wall Support 7 modules P S U Ref 4061 75 ohm adapter load f Ref 5173 Blank plate 15 mm Ref 5301 19 subrack frame Ref 5069 Cabinet 14 modules PSU Ref 5059 Headend Control Unit Ref 5334 Ventilation Unit 2 Ref 5837 IP Modem 1 When the voltages are 24V and or 18V are being used it is necessary t...

Page 7: ...7 User manual 8PSK QAM ENGLISH 3 MOUNTING 3 1 Wall mounting PWR PWR 5012 7234 4061 502905 5030 5071 1 2 CLAC ...

Page 8: ...8 User manual 8PSK QAM 3 2 19 rack mounting PRGM PWR 5301 5173 CLAC ...

Page 9: ...nd output channel are selected by means of the programmer ref 7234 which is attached to the device front pannel s It is also possible to program the unit by means of a PC as it is explained in paragraph 7 The 8PSK QAM has two satellite F connectors The upper connector 1 is the input signal connector and also it enables the satellite LNB power up The lower connector 2 loops the input signal to the ...

Page 10: ...8PSK QAM 4 2 Power Supply Unit PWR PWR Power ON LED Mains input 230V 15 ref 502905 120V 15 ref 5030 Power outputs 1 PWR PWR 18V 15V 5V 24V GND N C 1 The power supply unit can power up a maximum of 7 8PSK QAM modules 1 ...

Page 11: ...nd amplifiers in shielded zamak chassis with gain configured by the installer This option is used as headend amplifiers or CATV line amplifiers 1 RF output 2 Test socket 3 RF input 4 RF input 5 Powering input 6 Attenuator 7 LED 1 Input test socket 2 RF input 3 Output test socket 4 RF output 5 ON LED 6 Powering 1 2 5 6 I max 100mA 196 264V 50 60Hz Fuse T1A L 250V USO EXCLUSIVO EN INTERIOR FOR INDOO...

Page 12: ...positioning of the cursor Modification of the parameter chosen by the cursor flashing short press Change menu long Change between Principal and Extended menus long Save changes to memory Increases the contrast of the screen Decreases the contrast of the screen 4 4 Universal Programmer 8PSK QAM Ch ...

Page 13: ...KBaud LNB 13v22KH Note The symbol rate will not be shown if the Auto Config option on the extended menu is activated see section 5 2 a b Output menu The next menu is used to change the output parameters The output frequency shows a permitted range of values from 46 to 862 Mhz To change the output frequency press the key until the cursor is over the selected digit Change using the and keys The QAM ...

Page 14: ...m inversion IQ makes it possible to change the IQ modulation format to normal or inverted Output level with range from 00 to 99 To change the QAM modulation order spectrum inversion and output level press the key until the required parameter flashes Change using the and keys c Measurement menu This menu shows the following information Carrier Input Signal Noise Ratio which indicates the quality of...

Page 15: ...SK Turbo 3 4 37 048521 256 19 30 0 QPSK Viterbi 1 2 27 647059 64 20 30 0 QPSK Viterbi 2 3 36 862745 256 21 30 0 QPSK Turbo 1 2 28 461658 64 22 30 0 QPSK Turbo 2 3 38 060491 256 23 15 User manual 8PSK QAM ENGLISH 5 2 EXTENDED MENU Holding down the key for more than 3 seconds will bring up a series of menus for less frequent use called extended menus a Configuration menu Holding down the key gives a...

Page 16: ...e device address in the main Televés control system The range of permitted addresses is from 1 to 254 INPUT Freq 1137MHz LNB 13v22KH OUTPUT Freq 474MHz IQ normal Level 00 5 3 SAVING PARAMETERS Once the required value has been selected in any of the menus normal or extended to save the data press the key for approximately 3 seconds The following indication will be shown If the configuration data ar...

Page 17: ...ting that the unit is blocked If any attempt is made to change a parameter the user will be asked to enter the password in the following screen The user must enter the correct password and save it by pressing the key for approximately 3 seconds The unit will then unlock and the key symbol will disappear from the upper right hand side of the screen Please type in the password 4357 OUTPUT Freq 474MH...

Page 18: ...the user can configure and read all of the parameters as well as check that the device is working properly b Remote control As well as the program previously mentioned it is necessary to have a Headend Control module ref 5051 or 5052 and the corresponding modem connected to the telephone line Once communication has been established with the headend control you will be able to access all the contro...

Page 19: ...19 User manual 8PSK QAM ENGLISH 8 TYPICAL APPLICATION 8 1 General 19 Transponders 502905 4061 4061 4514 7 x 5012 QAM output Power bus Control bus 502905 7 x 5012 502905 5059 5837 ADSL 5 x 5012 ...

Page 20: ... temperature of the units and thus improve their characteristics it is advisable to place 2 ventilation units of 25W particularly when the rack with the 8PSK QAM is located in warm place with a temperature higher than 40 C These ventilators will be placed on a tray that is screwed onto the top part of the Rack fig 1 and 2 and in this way the ventilators will be able to extract the air from the 8PS...

Reviews: