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You are here: home  > 1 + 1 Redundant IP QAM Modulator Supports TS Re - multiplexing
  • 1 + 1 Redundant IP QAM Modulator Supports TS Re - multiplexing
  • 1 + 1 Redundant IP QAM Modulator Supports TS Re - multiplexing
Enlarge 1 + 1 Redundant IP QAM Modulator Supports TS Re - multiplexing

1 + 1 Redundant IP QAM Modulator Supports TS Re - multiplexing 

Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: GQ-3670

GQ-3670
 
Multi-functional Edge QAM Modulator
 
1: with IP interface optional<

GQ-3670

 

Multi-functional Edge QAM Modulator

 

1: with IP interface optional

2: Multi function modulation

3: with Multiplexing and scrambling function 

4: save more cost and equipment

 

Product Overview

 

      GOSPELL’s GQ-3670 is a full IP-Based Multi-functional Edge QAM modulator, which can receive multiple transport streams from an IP network, and then multiplexing, scrambling as well as insert local information to the transport stream and finally output several adjacent QAM channels by RF interface after QAM modulation. Also, It supports up to 256QAM for maximized channel capacity and utilization.

 

      GQ-3670 supports web browser and SNMP management for local and remote monitoring and controlling that can greatly reduce management time and operating expense (OPEX) of operators. It also supports flexible licensing management functions enabling scrambling functions and expand the numbers of QAM channels, Due to its flexibility and versatility, GQ-3670 can be widely applied to DTV head-end system that are located in core-to-edge TS processing and modulation.

 

Main Features

  • Supports TS re-multiplexing, scrambling and QAM modulation in 1RU
  • Supports up to four DVB SimulCrypt CAS and DVB-CSA scrambling
  • 3Mbps EMM bandwidth, up to 256 programs scrambled
  • ITU-T J.83 Annex A/B/C compliant, 6MHz or 8MHz bandwidth
  • Transport stream input via Gigabit Ethernet
  • Supports RTP/UDP/ARP/ICMP/IGMP protocols
  • Supports unicast and multicast (IGMP2.0/ 3.0)
  • Supports PSI/ SI auto-generation or manual uploading during re-multiplexing
  • Supports PID filtering, mapping, and pass-through, PCR auto-correction
  • Output frequency range: 30 MHz to 860 MHz
  • Dual RF output ports with up to 16/32 QAM channels output with 4/16-adjecent-frequency
  • Outstanding out-of-band rejection, in-band EPL balance capability
  • Supports Web/SNMP-based management and Multi-language GUI
  • Supports device configuration import/export and online remote update

 

Technical Specifications

 

IP Input
Interface 2 x 100/1000 Base-T Ethernet
Connector RJ-45
Operation Mode 1 + 1 Redundant
MPEG TS Format 7 x 188Byte
IP Encapsulation

GQ-3670C: MPEG TS-over-UDP/RTP

GQ-3670D: MPEG-TS Over UDP
MPEG TS MPTS or SPTS
Addressing Unicast or Multicast(IGMP v2 & v3)
Transport Stream Re-multiplexing
Multiplexing Capability

GQ-3670C: Up to 16 TS (1024 programs)

GQ-3670D: Up to 32 TS (2048 programs)
PCR Auto correction
PSI/SI

PSI/SI table auto-generation, manual insertion, Comply with: ISO/IEC 13818-1

DVB SI(ESI EN 300 468)
PID Remapping and filtering and pass-through
Real-time Statistics TS rate, program rate, PID rate
Transport Stream Scrambling (Software Options)
Scrambling Algorithm Comply with DVB-CSA
Numbers of CAS Optional up to four DVB SimulCrypt CAS(s)
CAS Interface Protocol TCP/UDP (via Network Management Port)
EMM Bandwidth Up to 3 Mbps per TS
Scrambling Level Program-level
Scrambling Capability

GQ-3670C: Up to 1024 programs

GQ-3670D: Up to 2048 programs
Modulation Output
Output Connector

1 x RF Output

1 x -20dB RF Output (Test Port)
Connector Type F-Type (Female, 75W)
RF Frequency Range 30 to 900 MHz (Step size: 1KHz)
Modulation Standards ITU-T J.83 Annex A, B and C
Bandwidth 6 or 8MHz
Numbers of QAM

GQ-3670C: Up to 16 QAM channels

GQ-3670D: Up to 32 QAM channels
Constellations

GQ-3670C: 16 /32 /64 /128 /256QAM

GQ-3670D: 64/256QAM
Symbol Rate

Annex A: 4.2 to 7 M Baud

Annex B: 5.057 M Baud

Annex C: 4.2 to 5.31 M Baud
RF Output Power Level

90 to 110dBμV (RF output Port)

70 to 90dBμV (-20dB test port)
MER ≥38dB (64QAM, 6.875M Baud)
SNR(Out of band) ≥50dB
Return Loss ≥12dB
Gain Fine-tune 0 to 5dB, Step Size 0.25dB
Network Management
Interface 1 x 10/100 Base-T Ethernet
Connector RJ-45
Management Web browser and SNMP management
Supported Protocols HTTP4.0/HTML1.1/XML/CGI(Web Management), NTP
Miscellaneous
Front Panel 3.5’’ LCD with 6 x Control Buttons for 2-line information display and settings
3 x Dual color LED, for status indications of power, work and Alarm
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 Mr. Horace

Tel: 86-20-26716172
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Company Info

Gospell digital technology co.,ltd [China (Mainland)]


Business Type:Manufacturer
City: Guangzhou
Province/State: Guangdong
Country/Region: China (Mainland)

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