noise margin upstream: 32 db
output power downstream: 11 db 
attenuation upstream: 11 db
carrier load: number of bits per symbol(tone)
tone   0- 31: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 
tone  32- 63: 22 33 34 44 44 44 44 44 44 43 33 22 10 00 00 00 
tone  64- 95: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
tone  96-127: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
tone 128-159: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
tone 160-191: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
tone 192-223: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
tone 224-255: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
tone 256-287: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
tone 288-319: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
tone 320-351: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
tone 352-383: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
tone 384-415: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
tone 416-447: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
tone 448-479: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
tone 480-511: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00