HP StorageWorks 2500 Disk System - Manual (Page 17)

2 Components
This chapter contains information about the components of the DS2500, including:
• List of parts , page 17
• EMU , page 17
• I/O modules , page 19
• Power supplies and blowers , page 21
• FC disks , page 22
• Cables and cabling , page 24
• Transceivers , page 24
List of parts
The DS2500 consists of:
• A Dual loop chassis
• 14 disk bays
• Up to 14 FC disk drives
• Drive blanks
• An EMU
• 2 I/O modules
• 2 power supplies
• 2 blowers
• Small Form-factor Pluggable (SFP) transceivers
• Fiber optic cables
EMU
The EMU monitors and records disk enclosure status information.
EMU functions
The primary functions of the EMU include:
• Display or change the enclosure ID (En)
• Display or change the enclosure loop ID
• Monitor enclosure operation
• Detect, report, record, and display enclosure error status conditions
• Implement automatic corrective actions for some conditions
• Provide a means for you to view error condition reports
2500 Disk System user guide 17