Description of the illustration slk_126.png
Byte 0 to 7: Reservation Key
Byte 8 to 15: Service Action Reservation Key
Byte 16 to 19: Obsolete
Byte 20: Reserved Bit 7 to 4, SPEC_I_PT Bit 3, ALL_TGT_PT Bit 2, Reserved Bit 1, APTPL Bit 0
Byte 21: Reserved
Byte 22 to 23: Obsolete