2-wire device address 0x50
  0x00:   03 04 21 00 . 00 00 00 00 - 04 00 00 00 . 67 00 00 00
  0x10:   00 00 03 00 . 41 6d 70 68 - 65 6e 6f 6c . 20 20 20 20
  0x20:   20 20 20 20 . 00 41 50 48 - 35 38 34 39 . 39 30 30 30
  0x30:   32 20 20 20 . 20 20 20 20 - 41 20 20 20 . 01 00 00 fa
  0x40:   00 00 00 00 . 41 50 46 31 - 31 32 35 30 . 30 32 34 54
  0x50:   32 35 20 20 . 31 31 30 37 - 30 37 20 20 . 00 00 00 d1
  0x60:   37 34 30 2d . 30 33 30 30 - 37 37 20 52 . 45 56 20 30
  0x70:   31 20 20 20 . 20 20 20 20 - 20 20 20 20 . 20 20 20 20
  0x80:   ff ff ff ff . ff ff ff ff - ff ff ff ff . ff ff ff ff
  0x90:   ff ff ff ff . ff ff ff ff - ff ff ff ff . ff ff ff ff
  0xa0:   ff ff ff ff . ff ff ff ff - ff ff ff ff . ff ff ff ff
  0xb0:   ff ff ff ff . ff ff ff ff - ff ff ff ff . ff ff ff ff
  0xc0:   ff ff ff ff . ff ff ff ff - ff ff ff ff . ff ff ff ff
  0xd0:   ff ff ff ff . ff ff ff ff - ff ff ff ff . ff ff ff ff
  0xe0:   ff ff ff ff . ff ff ff ff - ff ff ff ff . ff ff ff ff
  0xf0:   ff ff ff ff . ff ff ff ff - ff ff ff ff . ff ff ff 00