これって良いのですか？悪いのですか？

Line mode : G.lite AnnexC
ADSL status : ShowTimeL0
Payload ADSL Line rate(Down) : 1536(kbps)
Payload ADSL Line rate(Up) : 512(kbps)
Interleave Delay(Down) : 8(mS)
Interleave Delay(Up) : 8(mS)
Interleave Depth(Down) : 8
Interleave Depth(Up) : 4
Current SNR Margin : 18(dB)
Current Output Power(Down) : 8(dBm)
Current Output Power(Up) : 12(dBm)
Current Attenuation : 19(dB)