4 X Satellite or ATSC IRD Decoder to IP and ASI

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Description Features Drawings Model Selection Specification Documents Support

H-IRD-V4 Quad Tuner & Multiplexer - 4 RF input to QAM,  IP, and ASI output

Tune and Demodulate 4 RF carriers (channels and sub-channels), re-multiplex with ASI & IP; output ASI & IP

Thor H-IRD-V4 system has 4x independent  RF  tuner inputs. Several different RF tuner cards are available  -  Satellite - DVBS/S2, off Air ATSC, DVB-T, ISDB-T and Cable TV QAM (model dependent)

Each input can be set to a different RF channel. The IRD will scan selected channels and discover all Video programs (subchannels) inside the channel.

Program streams from all four tuners as well as the IP and ASI inputs can be multiplexed and remapped in any order.  Independent output pipes for IP / ASI and RF QAM  are fully configurable. 

The unit has a MUX option and each video program from the RF input  and can be selected for output as :

1 )  IP TS (MPTS) multicast / unicast output (RF to IP applications) 

1) CATV RF QAM Channel  (RF to QAM applications) 

2)  IP TS (MPTS) multicast / unicast output   (RF to IP applications) 

3)  ASI (MPTS) output- (RF to ASI applications) 


The unit has 4 CAM slots for Satellite (DVB-S/S2) encrypted channels.  Industry standard support for Conditional Access is provided by 4 Common Interface (CI) slots.  These slots support CAM modules such as CableCard or any other system using the PCMCIA interface.  In addition to descrambling programs from the RF tuners, the CAM system can also decrypt transport streams from the IP & ASI interfaces. 

Depending on the Operator, the required CAM Module could be, NDS VIDEOGUARD, CONAX, IRDETO, NAGRA VISION, etc.

This platform is ideal for program aggregation and multiplexing in cable TV headends and corporate MATV systems. Full configuration and management are available on the front panel LCD and keypad, and remote access and monitoring are available on a dedicated NMS network port for control through a web browser.

  • Tune and descramble 4 RF carriers including all sub programs and streams (sub-channels)
  • Provide industry standard multiplexed and remapped outputs on ASI & IP
  • 4x IP stream outputs (4 MPTS) in UDP, RTP, or RTSP video protocols
  • Advanced network management system on dedicated network port and IP address
  • Available in 5 tuner configurations for QAM (DVB-C), Satellite (DVB-S2) or OTA (ATSC), ( DVB-T ), (ISDB-T)
  • Supports Closed Caption 608 and 708 systems, supports Dolby AC/3 Pass Through
Model Selection

H-IRD-V4  -  4 x DVB-S/S2 tuners to IP,  ASI and 4 QAM

H-IRD-V4-ATSC  - 4 x ATSC tuners to IP,  ASI and 4 QAM

H-IRD-V4-QAM  - 4 x QAM tuners to IP,  ASI and 4 QAM

H-IRD-V4-DVB-T  - 4 x DVB-T tuners to IP,  ASI and 4 QAM

H-IRD-V4-ISDB-T  - 4 x ISDB-T tuners to IP,  ASI and 4 QAM




4 RF Tuner and 2 ASI inputs

Tuner Section


  • DVB-S
  • Input Frequency


  • Symbol rate


  • Signal Strength


  • FEC Demodulation

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

  • DVB-S2
  • Input Frequency


  • Symbol rate

QPSK 1~45Mbauds

8PSK 2~30Mbauds

  • Code rate

1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10

  • Demodulation Mode



  • ATSC
  • DVB-T
  • ISDB-T
  • QAM -DVB-C Annex A and B
  • Input Frequency


  • Standard


  • Constellation


  • MER




  • Maximum PID Remapping

128per input channel

  • Function

PID remapping (automatically or manually)

Accurate PCR adjusting

Generate PSI/SI table automatically

Modulation Output

  • DVB-C
  • Standard

J.83A, J.83B, J.83C

  • MER


  • RF frequency

30~950MHz, 1KHz step

  • RF output level

-30.0~ 0.0 dbm (77~107 dbµV), 0.1db step

  • Symbol rate

2.5 – 4.66 Msps, 5.0 - 8.0 Msps

  • J.83A





  • J.83B


64QAM, 256QAM



  • J.83C


64QAM, 256QAM




  • Local interface

LCD + control buttons

  • Remote management


  • Stream Out

2 ASI out(BNC type)

IP (4*MPTS over UDP) out (RJ45, 1000M)

  • Upgrading

Web and USB


  • Dimension

19x17x2 19"Rack mountable 1RU 

  • Weight


  • Temperature

0~45?(Operation) ; -20~80?(Storage)

  • Power

AC 100V±1050/60Hz; AC 220V±10%, 50/60HZ

  • Consumption


User's Manual is avalible only for logged users.
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