PSU: Power Supply Unit
Figure 105 Minimum Configuration Diagram: ETERNUS DX100 S3/DX200 S3
CE
IOC
EXP
CPU
BUD
CA
CM#0
Memory
MP
SCU
PSU PSU
PANEL
PANEL: Operation Panel
CE: Controller Enclosure
CM: Controller Module
CA: Channel Adapter
Host Interface
Memory: Cache Memory
BUD: Bootup and Utility Device
•
Backup area in case of power outage
•
Storage area for firmware
SCU: System Capacitor Unit
Backup power source in case of power outage
IOC: I/O Controller
Controller to control I/O
EXP: SAS Expander
Expander chip for SAS connections
MP: Mid Plane
Board that is located between the front of the enclosure and the rear of the enclosure
(the controller (CM) or I/O module (IOM) side)
PSU: Power Supply Unit
5. Hardware Configurations
Configuration Schematics
171
Fujitsu Storage ETERNUS DX100 S4/DX200 S4, ETERNUS DX100 S3/DX200 S3 Hybrid Storage Systems
Design Guide (Basic)
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