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Promax MO-480, User'Smanual

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Promax MO-480 User'Smanual Download Page 21

 

5-16 

September 2016

 

 

 

5.2.2.2    Modulation 

 

It shows the modulation parameters. 

 

 

Figure 11.

 Modulation configuration screen for DVB-T 

 
 

 

Figure 12.

 Modulation configuration screen for DVB-T2 

 

 

►

 

DVB-T Processing Parameters: 

 

Configure from MIP 

 Bandwidth 
 FFT 

size 

 Guard 

Interval 

 Constellation 
 Convolutional 

Rate 

 

Summary of Contents for MO-480

Page 1: ...MO 480 481 BROADCAST GRADE SFN MFN DVB T T2 MODULATOR 0 MI1970...

Page 2: ...on the equipment means SEE USER S MANUAL In this manual may also appear as a Caution or Warning symbol WARNING AND CAUTION statements may appear in this manual to avoid injury hazard or damage to this...

Page 3: ...ve all specified ratings both of supply and measurement Remember that voltages higher than 70 V DC or 33 V AC rms are dangerous Use this instrument under the specified environmental conditions The use...

Page 4: ...h safety Descriptive Examples of Over Voltage Categories Cat I Low voltage installations isolated from the mains Cat II Portable domestic installations Cat III Fixed domestic installations Cat IV Indu...

Page 5: ...6 4 WEB CONTROL MANUAL 4 8 4 1 Introduction 4 8 4 2 Installation 4 8 4 2 1 Installation Requirements 4 8 4 2 1 1 System Requirements 4 8 4 2 1 2 Software Requirements 4 8 5 MO 480 481 CONFIGURATION 5...

Page 6: ...nd multiple PLP MISO or SISO It can also be used for DVB T applications The modulator inputs consist of an MPEG 2 transport stream TS in TS over IP or DVB ASI format a 10 MHz GPS reference and a 1pps...

Page 7: ...integration Multi PLP SISO MISO Digital Pre correction Webserver for programming and control 10 MHz 1PPS internal and external references Installation and maintenance tests modes Configurable latence...

Page 8: ...power connector on the rear panel Then connect the AC power adapter to the mains via the mains cord Ensure that your mains voltage is compatible with the adapter voltage 2 2 Installation and Start up...

Page 9: ...the power supply is ON Status LEDs Ready When it is in green means it is working properly Alarm When it is in red means some kind of error GPS inputs LEDs 10 MHz 10 MHz GPS input 1 pps One pulse per s...

Page 10: ...PS GPS input 50 or high impedance female SMA 10 MHz GPS input 50 or high impedance female SMA IP DATA input for MPEG2 TS over IP 1 Gigabit ethernet RJ45 connector IP CONTROL input for web control soft...

Page 11: ...nel 10 MHz reference output female SMA ASI Sample output female SMA Reset IP button If keeping pressed for 10 or more seconds it changes the current IP address to the default IP address 192 168 42 30...

Page 12: ...ber 2016 3 7 10 MHz GPS input 50 or high impedance female SMA 1PPS GPS input 50 or high impedance female SMA ASI B input 75 female BNC DVB ASI input number 2 ASI A input 75 female BNC DVB ASI input nu...

Page 13: ...control allows you to work with the modulator from a computer in a more comfortable way whether to check the status of signal output to change the selected services or for general maintenance This man...

Page 14: ...ress then we need to use a web browser to connect the device with our PC When communication is established the user can change the IP address of the modulator to suit the range of the Ethernet network...

Page 15: ...5 2 2 2 Modulation 5 2 2 3 Network parameters 5 2 2 4 PLP parameters 5 2 2 5 Output 5 2 4 System 5 2 5 Log 5 2 6 Admin 5 2 7 Testing 5 2 8 About At the bottom of all screens there is some information...

Page 16: ...lour which refers to the physical LED If this point is in RED it means that some error has ocurred and is working badly If this point is in GREEN it means it is working properly If this point is in GR...

Page 17: ...and the signals working on it These parameters cannot be changed on this page Just watched They are Primary Input Type of input Secondary Input Type of input Clock References SFN Monitoring only for D...

Page 18: ...September 2016 5 13 5 2 2 Configuration 5 2 2 1 Input Figure 9 Input configuration screen for DVB T...

Page 19: ...mary Input Selection Secondary Input Selection The modulator has two inputs to work primary and secondary The modulator only modulates one of this inputs User should select which is the primary and th...

Page 20: ...le IP input parameters It allows the user to change some parameters from the IP data coming from the input IP Multicast IP used if working in Multicast mode UDP Port Destination port used by the UDP p...

Page 21: ...s the modulation parameters Figure 11 Modulation configuration screen for DVB T Figure 12 Modulation configuration screen for DVB T2 DVB T Processing Parameters Configure from MIP Bandwidth FFT size G...

Page 22: ...Interval L1 Constellation Pilot Pattern Output mode MISO Group In the case of Mode a b T2 MI input these parameters are detected by the modulator and they cannot be changed In the case of Mode a TS if...

Page 23: ...n DVB T2 these parameters are detected by the modulator in the case of Mode a b T2 MI input and they cannot be changed In the case of Mode a TS if user changes parameters he has to be careful to selec...

Page 24: ...yers In case of mode a b T2 MI selecting the desired PLP with PLP select it shows the parameters for that PLP In case of mode a TS then there will be only one PLP and parameters must be set by the use...

Page 25: ...17 Output configuration screen for DVB T2 Output configuration Signal Configuration Rf frequency It shows the frequency at the output This value can be changed by the user by ticking on Use local valu...

Page 26: ...reference loss after delay s It is a conditional mute It stops the signal at the output when the synchronism signal is lost during a lapse of time in DVB T2 this time has to be defined at the in seco...

Page 27: ...rrent configuration in a file on a PC Load default configuration It loads the default configuration Check for updates It check the PROMAX server to update the current version System selection User has...

Page 28: ...September 2016 5 23 5 2 4 Log It shows all the modulator inside work Each status line has time date and a little description Figure 19...

Page 29: ...mber 2016 5 2 5 Admin Figure 20 Network parameters User has to enter all network parameters of the PC where he connects Date Time Configuration You can select between time synchronized by server or se...

Page 30: ...gure 21 Testing screen for DVB T Figure 22 Testing screen for DVB T2 DVB T Output Testing Normal DVB T signal Blank carriers selecting start and stop carrier index CBER injection selecting CBER VBER i...

Page 31: ...5 26 September 2016 5 2 7 About Contact data to order or ask any question Figure 20...

Page 32: ...witchover may be permanent or temporary REFERENCE INPUTS 1pps Reference Input High impedance 50 Configurable Active Edge Rising Falling Configurable Level Min 2 V max 5 V Pulse width 100 s minimum 10...

Page 33: ...groups 1 and 2 Time interleaving Bypass options 1 and 3 no multi frame interleaving Number of PLP 1 System A From 1 to 8 System B with optional sub slicing Configuration parameters From the L1 and In...

Page 34: ...ation Table AM AM Input Amplitude 12 dB to 12 dB Output Amplitude 6 dB to 6 dB Table AM PM Input Amplitude 12 dB to 12 dB Output Phase 30 to 30 AM Resolution 0 1 dB PM Resolution 0 1 Linear predistort...

Page 35: ...x 44 4 H x 381 D mm Weight 5 1 kg MECHANICAL FEATURES MO 481 Dimensions 116 W x 61 H x 258 D mm Weight 1 57 kg RECOMMENDATIONS ABOUT THE PACKING It is recommended to keep all the packing material in o...

Page 36: ...he cover take care the instrument is disconnected CAUTION Do not use scented hydrocarbons or chlorized solvents Such products may attack the plastics used in the construction of the cover The cover sh...

Page 37: ...Francesc Moragas 71 75 08907 L HOSPITALET DE LLOBREGAT Barcelona SPAIN Tel 93 184 77 00 Tel Intl 34 93 184 77 02 Fax 93 338 11 26 Fax Intl 34 93 338 11 26 http www promaxelectronics com e mail promax...

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