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DVB-T Modulator

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1. Introduction

1.1 Product overview

The product is presented for two types of mounting: onto the wall (Ref. 554501), 

and 19 inch cabinet mounting (Ref. 554601).

The modulator converts the HD A/V baseband signals into a  DVB-T multiplex of 

RF within the range 30 ~ 960 MHz.

It features 2 encoders, which are accessed by F-type connectors, and 1 additional 

RF  input.  The  signals  can  come  from  satellite  receivers,  CCTV  cameras,  Blu-

ray players, antennas, ... etc. Its output is a  DVB-T TV multiplex which can be 

received with the corresponding DTT STB.

The  device  can  be  used  for  monitoring,  training  courses  and  presentations, 

schools, universities, hospitals, ..., in addition to being the best choice for public 

premises which offer sporting events, VIP entertainment channels,..  and other.

1.2 Blocks diagram

 

 

1.3 Technical specifications

DVB-T modulator section

Standard

EN300744

FFT mode

2K, 8K

Bandwidth

6M, 7M, 8M

Constellation

QPSK, 16QAM, 64QAM

Guard Interval

1/4, 1/8, 1/16, 1/32

FEC

1/2, 2/3, 3/4, 5/6, 7/8

MER

≥42dB

RF frequency

30~960MHz, 1KHz step

RF output level

-30~ -10dBm (81~97 dBμV), 

0.1dB step

Interface

Front panel

buttons, LCD display

Remote 

management

Web NMS

Language

English, French

General

Mains

AC 100V~240V

Dimensions

360 x 280 x 50 mm (554501) 

480 x 300 x 44 mm 1U rack 19” ( 554601)

Weight

2.6 kgs

Operating 

temperature

0~45 ºC

Configurations

LCN config

Yes

NIT Table config

Yes

Settings

Network Name

Yes

Network ID

Yes

Transport Stream ID (TSID)

Yes

Original Network ID (ONID)

Yes

Hierarchy Information

Yes

Summary of Contents for 554501

Page 1: ...DVB T Modulators EN Refs 554501 554601 User s Manual w w w t e l e v e s c o m ...

Page 2: ......

Page 3: ...ion precautions 6 3 Operation 6 3 1 Button introduction 6 3 2 Initial status 6 3 3 General setting for main menu 6 4 Encoders 8 4 1 Specification 8 5 Web nms operation 9 5 1 Login 9 5 2 Configuration setting 9 6 Troubleshooting 12 7 Application 12 7 1 Ordering guideline 12 7 2 Application example 13 7 3 Configuration example for more than one unit in the same installation 13 ...

Page 4: ...s in addition to being the best choice for public premises which offer sporting events VIP entertainment channels and other 1 2 Blocks diagram 1 3 Technical specifications DVB T modulator section Standard EN300744 FFT mode 2K 8K Bandwidth 6M 7M 8M Constellation QPSK 16QAM 64QAM Guard Interval 1 4 1 8 1 16 1 32 FEC 1 2 2 3 3 4 5 6 7 8 MER 42dB RF frequency 30 960MHz 1KHz step RF output level 30 10d...

Page 5: ...6 12 13 15 14 4 5 6 7 8 9 1 554501 554601 1 LCD display 2 NMS port 3 IP port 4 ON LED and alarm LED 5 Locking LED 6 Up Down and Left Right buttons 7 ENTER button 8 MENU button 9 Locking button 10 Encoder 1 slot open 11 Encoder 2 slot with tap 12 RF input 13 RF output 14 ON OFF switch 15 Mains socket ...

Page 6: ... when power On Setting value up and moving up To move left To move right Setting value down and moving down Back step Confirm setting Lock button 3 2 Initial Status Switch On then below status will be displayed few seconds initialization then open startup picture DVB T indicate the modulation standard of this device XXX XX MHz indicate the output frequency and the frequency range is 30 960MHz X XX...

Page 7: ...evel and press ENTER to confirm 4 IP Output Setting 4 5 Gateway 4 6 Port 4 1 IP Output 4 2 Service IP 4 3 Output IP 4 4 Subnet Mask 4 5 Gateway 4 6 Port 4 1 IP Output 4 2 Service IP 4 3 Output IP 4 4 Subnet Mask User can press UP DOWN to choose this item Enter and LEFT RIGHT to set the parameters If not set the following parameters will be no use the IP Output will not work IP Output The IP Output...

Page 8: ...ion MPEG 2 SD MPEG 2 SD MPEG 2 SD Encoding mode MPEG 2 H264 AVC SD HD Input port Option 1 Port 1 One channel CVBS input Unbalanced audio input Port 2 One channel CVBS input Unbalanced audio input RF input Option 2 Port 1 Two channel CVBS input Unbalanced audio input Port 2 Two channel CVBS input Unbalanced audio input RF input Option 3 Port 1 One channel of HDMI input Port 2 One channel of HDMI in...

Page 9: ...ps 96kbps 128kbps 192kbps 256kbps and 320kbps The default value is 128kbps Program name it shows current program information User can select and type the program name to be played as needed PMT Video Audio PCR PID in this area user can set program PIDs as needed usually system will automatically select the default values Encoding and video light the light should show green colour normally HDMI inp...

Page 10: ...document Network name The name of current network user can change it as he likes Network ID This is a 16 bit field which identifies the terrestrial network that supports the service indicated User can click Add to pop up a table following is the interface Transport stream ID This 16 bit field which serves as a label identifying the TS which contains the service event or mosaic described by the cel...

Page 11: ...ticular program is necessary to put before the IP address for example udp 224 2 2 2 1234 Important Not all computers have the ability to view a service provided by a 554803 6 Modulator setting Bandwidth there are three possible options provided to be selected 6M 7M and 8M Constellation there also have three possible options to be selected QPSK 16QAM and 64QAM FFT user can set the FFT transmission ...

Page 12: ...nk on the rear panel and other heat sink bores if necessary Checking the input AC within the power supply working range and the connection is correct before switching on device Checking the RF output level varies within tolerant range if it is necessary Checking all signal cables have been properly connected Frequently switching on off device is prohibited the interval between every switching on o...

Page 13: ...rk Wireless router Eventual roof antenna IP optional Antenna Wall socket Camera TV TV TV TV Advertisement System Blue DVD Hard Disk Sender Pay Channel STB IRD STB 7 2 Application example 7 3 Configuration example for more than one unit in the same installation Unit 1 Unit 2 ...

Page 14: ...the menu of the next images 7 3 2 NIT Hierarchy and LCN Configuration In this menu is possible to edit the LCN of each program in order to be listed correctly the Hierarchy Information must be set to a 1 a 2 or a 4 the same on each unit of the same network The LCN can be set by any order in the image above it can be observed that the unit 2 will have program 1 3 and 4 and unit 1 will have program ...

Page 15: ...e ways to list the programs With LCN the programs are listed in order according with the LCN configuration set above Without LCN the programs list will depend on theTV STB and it can be based on Alphabetic order MUX frequency First the HD programs listed based on the MUX frequency Then the SD programs listed based on the MUX frequency ...

Page 16: ...DVB T Modulator 16 ...

Page 17: ...EN 17 ...

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Page 20: ...564501_564601_003_EN televes com ...

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