1 2 3 4
# T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy T 610000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE T 666000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE T 722000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE