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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(0) Bit 3, ALL_TGT_PT(0) Bit 2, Reserved (0) Bit 1, APTPL (0) Bit 0
Byte 21: Reserved
Byte 22 to 23: Obsolete