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  • High Density QAM Modulator EN300421 / EN302307 For DTV Central Headend
  • High Density QAM Modulator EN300421 / EN302307 For DTV Central Headend
Enlarge High Density QAM Modulator EN300421 / EN302307 For DTV Central Headend

High Density QAM Modulator EN300421 / EN302307 For DTV Central Headend 

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

Model No.: GQ-3650DR

GQ-3650DR
 
All In One QPSK/QAM To QAM

GQ-3650DR

 

All In One QPSK/QAM To QAM Modulator

 

Product Overview

 

      GQ-3650DR is a high density and all-in-one multi functional QAM modulator devolped by GOSPELL. It combines RF receiving & demodulation, TS re-multiplexing, scrambling and QAM modulation into 1RU, and provides two kinds of RF demodulation options; either QPSK/8PSK or QAM demodulation can be selected according to operators’ needs. Moreover, the GQ-3650DR supports up to eight channels of input transport streams from ASI interfaces. Therefore, with this product, operators obtain lower cost expenditure, lower energy consumption and minimized space of racks occupied. This all comes from the benefits of GQ-3650DR’s high density and all-in-one design.

 

      GQ-3650DR adopts GOSPELL’s flexible licensing mechanism for scrambling function and numbers of QAM channels. Cable operators can easily enable up to four QAM channels and four DVB SimulCrypt CAs by importing the license file which is provided by GOSPELL. This flexibility brings operators lower capital expenditure (CAPEX) not only today but also tomorrow.

 

      GQ-3650DR supports both Web browser and SNMP management for remote monitoring and control in real time. This can significantly reduce management time and operating expense (OPEX) for operators. Due to its flexibility and versatility, the GQ-3650DR can be widely applied to DTV central headend and remote headend system.

 

 

Main Features

  • High density and all-in-one solution in 1RU, integrated functions including RF receiving & demodulating, TS re-multiplexing, scrambling and QAM modulation output
  • Options of up to four channels of QAM or QPSK/8PSK demodulating inputs
  • 3Mbps EMM bandwidth, up to 256 programs scrambled
  • ITU-T J.83 Annex A/B/C compliant, 6MHz or 8MHz bandwidth
  • Supports up to four DVB SimulCrypt CAS(s) and DVB-CSA scrambling
  • Multiple firmware options to enable built-in scrambler and numbers of modulating channels
  • Up to 64 programs for each modulating channel, 128 PIDs per program, PSI/SI processing
  • Front panel control and LCD display
  • Supports PID filtering, pass through, PCR auto correction
  • Supports various customizable PSI/SI table extraction, resolving and modification
  • Self adaptive filter circuit design ensures outstanding out-of-band rejection
  • Web browser and SNMP management for local and remote management, monitoring and control

 

Technical Specifications

 

RF Input Options
Satellite Input
Number of Inputs

1(or 2, 4) x RF Input

1(or 2, 4) x RF Loop Out
Connector Type F-Type (Female, 75Ω)
Standards DVB-S/S2 (EN300421/EN302307)
Constellations

DVB-S: QPSK

DVB-S2: QPSK / 8PSK
Frequency Range 950MHz to 2150MHz
Input Signal Level -65 to -25dBm
LNB Power Output 0V/+DC 13V/18V, Imax=400mA
Cable Input
Number of Inputs

1(or 2, 4) x RF Input

1(or 2, 4) x RF Loop Out
Connector Type F-Type (Female, 75Ω)
Standards DVB-C (EN300429)
Constellations 16/32/64/128/256 QAM
Frequency Range 50MHz to 860MHz
Input Signal Level -20 to +20dBm (64QAM)
ASI Transport Stream Input
ASI Input 2(or 4, 8) x ASI Input
Data Format 188 Bytes MPEG-TS packet length
Input Bit Rate 1.5 to 214Mbps each, max. 400Mbps in total
Connector Type BNC (Female, 75Ω)
Transport Stream Re-multiplexing
Capacity of Processing Up to 8 TS inputs and 4 TS outputs
PCR Auto correction
PSI PSI auto generation, manual insertion
PID Remapping and filtering and pass through
PSI/SI Standards ISO/IEC 13818-1, DVB SI(ESI EN300468)
Real-time Statistics TS rate, program rate, PID rate
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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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