Detailed Product Description

TVWALKER CATV QAM modulator QAM-3321 is suitable for DVB-C headend system with efficient functions and good quality.

Specification:

Digital process as per TS300 429 definition;
Complies fully with ITU-T J. 83 standard, annex A (DVB/DAVIV);
Support a full range of variable data rates, signal bandwidths and QAM constellation;
R-S encoder, 188/204-byte auto-detection;
RF level 110dBuV~120dBuV adjustable;
Support multiple network input interface (ASI/E3/DS3 etc. (optional)), with signal loop-through output;
With IF&RF output, and IF input loop;
Bit stuffing;
RF output test point (-20dB);
Front panel VFD and buttons for easy setup;
Automatic memory;
100~240VAC power supply or -48VDC power supply;
Standard 19" rack mount.