Specification :

JXDH-6302 QAM Modulator, is the main equipment CATV digital head-end, receiving DVB transport streams which come from coder, multiplexer, DVB gateway, scrambler, video server etc. It does signal processing like RS coding, convolution interleaving and QAM modulating, providing IF/ RF output.
Features
Æ Complying DVB standard signal channel coding.
Æ Support full range variable data rate, bandwidth and QAM mode Data stuffing
Æ super buffer ( optional)  anti-burst code stream
Æ PID filter, re-reflection, PSI
SI information synchronal updating possible.
Æ Automatically code stream stuffing and empty pocket deleting.
Æ Code stream real-time monitoring, empty pocket filtering
Æ Support NIT table modifying
Æ real-time code stream monitoring
Æ PCR adjusting, output symbol rate variable: 1-7Ms/ s
Æ Fixed or agile channel output;
Æ Providing ASI and Ds3 input port and output port ( optional)
Æ Providing RF output monitoring port -20dB 
Æ Local or Remote administration possible.
Æ LCD display, flexible in operating
Æ High reliability design, stable in running