A RAID controller modules ID in a hexadecimal number; its hexadecimal format varies depending on the :
For Private Arbitrated Loop, it is a one-byte .
For all other , it is displayed as a single 24-bit hexadecimal number (a triplet of Domain, Area, and AL_PA where each field is one byte).
For Fabric and Point-to-Point, it is a three-byte hexadecimal number used in the D_ID and S_ID (Destination/Source Identifier) fields of Fibre Channel frames.