Apple Xserve RAID: Using RAID 1.2 Admin and Disk Utility - Manual (Page 27)

Chapter 3 Monitoring Status and Changing Settings 27
• Components shows the operating information about the power supplies, RAID
controllers, cooling modules, and cache backup batteries. You click the component
to view its details.
• Fibre Channel shows information about each RAID controller and the type of fibre
channel connection in use. Topology and Speed show the actual operating setting
and the configured setting (configured is in parentheses).