CATV headend modulator Scrambler / modulator digital

SC-4174 8ASI input QAM modulator is one of the main equipment of cable digital TV head-end, it receive data from the encoder, multiplexer, DVB gateway, scrambler, video server and other DVB transport stream, and make RS codes, convolution interleaving and QAM modulation, output 4 channel requency RF signal, with new integrated chip, it has low-power consumption, high signal quality.

Features

. Meet DVB standard channel coding;

. Support full range of variable Symbol Rate and QAM mode;

. 8M cache, anti-burst stream;

. Data filling function;

. Support IP data injection;

. Configurable PID filter, re-mapping, PSI, SI information update;

. Support NIT table inserts;

. Real-time transport stream monitoring;

. PCR correction;

. Fixed or variable frequency output;

. Provide RF output monitoring port (-20dB);

. Local and remote control;

. LCD display;

. High reliability design, stable operation.

. Support Annex-A (Europe).

Technical Specification: