Info returned by CMD_CARD_INFO_GET (0x88) command:

Id      Description
----    ------------------------------------------
0x00 -> downstream rate = 0x00000000
0x01 -> upstream rate = 0x00000000
0x02 -> link status = 0x00000000
0x03 -> line status = 0x00000000
0x04 -> mac address(high) = 0x00000000
0x05 -> mac address(low) = 0x00000000
0x06 -> upstream SNR margin = 0x00000000
0x07 -> downstream SNR margin = 0x00000000
0x08 -> upstream attenuation = 0x00000000
0x09 -> downstream attenuation = 0x00000000
0x0a -> transmitter power = 0x00000000
0x0b -> upstream bits per frame = 0x00000000
0x0c -> downstream bits per frame = 0x00000000
0x0d -> startup attempts = 0x00000000
0x0e -> upstream CRC errors = 0x00000000
0x0f -> downstream CRC errors = 0x00000000
0x10 -> upstream FEC errors = 0x00000000
0x11 -> downstream FEC errors = 0x00000000
0x12 -> upstream HEC errors = 0x00000000
0x13 -> downstream HEC errors = 0x00000000
0x14 -> line startable = 0x00000000
0x15 -> modulation = 0x00000000
0x16 -> adsl headend = 0x00000000
0x17 -> adsl headend environment = 0x00000000
0x18 -> controller version = 0x00000000

