User's Manual

2Components
This chapter contains information about the components of the DS2500, including:
List of parts, page 17
•EMU,page17
I/O modules, page 19
Power supplies and blowers, page 21
•FCdisks, page 22
Cables and cabling, page 24
•Transceivers, page 24
List of parts
The DS2500 consists of:
ADualloopchassis
14 disk bay
s
Up to 14 FC disk drives
Drive blanks
An EMU
2I/Omodules
2 power supplies
2blowers
Small Form-factor Pluggable (SFP) transceivers
Fiber optic cables
EMU
TheEMUmonitorsandrecordsdiskenclosurestatusinformation.
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
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