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GQ-3654 Multiplexing QAM Modulator is a compact and cost-effective DVB MPEG-2 TS multiplexing QAM modulator. It re-multiplexes up to 4 ASI transport streams inputs  into MPEG-2 multiprogram transport streams (MPTS). The MPEG-2 MPTS are then routed to QAM modulation and RF upconverter. GQ-3654 combines re_multiplexer, PID Filter and Re-mapping, digital cable QAM (J.38 A/B/C) modulator in a single unit. GQ-3654 adapts Ethernet Management interface complying with SNMP protocol, which allows real-time status monitoring and control. It can obtain/replace the PSI/SI information coming from each input port and multiplex them up to 1 TS with PCR Error Correction. It is mainly applied to transmitting Digital Cable TV signal in HFC, MMDS and MUDS systems.

  Features:

•         Fully comply with ETSI 300429 standard
•         188/204 packet auto-identification, displaying input data format real time
•         Large cache, support burst input bit stream,
•         The QAM modulation chosen among 16QAM, 32QAM, 64QAM, 128QAM and 256QAM
•         support NIT mapping of over 44 frequency and sending,
•         support PSI/SI tables Replace and insert
•         PID filtering and re-mapping
•         PCR correction
•         Up to 4 Ch ASI, SPI (optional) input
•         displaying of the system and valid bite rate
•         Outstanding self-adapting filtering circuit designs to maximal reliability and availability
•         -20dB testing interface with IF output
•         Failure alarming
•         Power off memory
•         Network control interface realizes remote maintenance, supervision and software upgrade
•         1U, 19" standard rack installation