HP Surestore Disk Array 12h and FC60 - Manual (Page 30)

30 Disk Enclosure Components
Each BCC provides two LVD SCSI ports (B in Figure 5 ) for connection to the controller
enclosure.
The EEPROM on each BCC stores 2
K
bytes of configuration information and user-defined
data, including the manufacturer serial number, World Wide Name, and product number.
The following are additional features of the BCC:
• LEDs (C in Figure 5 ) show the status of the BCC and the bus.
• A rotary switch (D) used to set the enclosure (tray) ID which is used by internal
controller operations, and also by the management tools to identify each enclosure.
• DIP switches set disk enclosure options. The only option used by the Disk Array FC60
is the full-bus/split-bus mode.
• Screws (F) prevent the card from being unintentionally disconnected.
• Cam levers (G) assist in installing and removing the BCC from the enclosure, ensuring
a tight connection with the backplane.
BCC functions include drive addressing, fault detection, and environmental services.