Promax MO-480 Скачать руководство пользователя страница 34

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September 2016

6-29

TEST MODES

PRBS

Modulates 23-bit PRBS-filled BBFRAMEs

Blank Carrier

Carriers are blanked between two configurable values

Null P1 preamble

First P1 preamble of every superframe is zeroed

Single RMS tone

Tone at central frequency with the same RMS power as the T2

signal

SIGNAL PREDISTORTION

Crest Factor Reduction

Enable/Disable

Range

8 to 11 dB

Resolution

0.1

Non linear predistortion

Enable/Disable

Number of points

From 2 to 16. Linear interpolation

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

PM Resolution

0.1

Linear predistortion

Enable/Disable

Number of points

72.

Linear

interpolation

Amplitude Correction

From -6 dB to +6 dB

Group Delay Correction

From -1500 to +1500 ns

Amplitude Resolution

0.01

Group Delay Resolution

OPERATING ENVIRONMENTAL CONDITIONS

Indoor use

Altitude

Up to 2000

Temperature range

From 5

C to 40

Max. relative humidity

80 % (up to 31

C), decreasing lineally up to 50% at 40

POWER SUPPLY MO-480

90 - 250 V AC @ 50 - 60 Hz Consumption 15 W

POWER SUPPLY MO-481

12 V DC 1.8 A

Содержание MO-480

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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