Brocade Communications Systems StorageWorks 4400 Enterprise V User's Guide download pdf (Page 17)

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Figure 2 Disk drive bay numbering

4. Enclosure status LEDs1. Rack-mounting thumbscrew

5. Drive LEDs2. UID push button

3. Disk drive release

Figure 3 Disk enclosure (front view without bezel ears)

9. Enclosure status LEDs5. Fan 1 status LED1. Power supply 1

10. Fan 26. I/O module A2. Power supply 1 status LED

11. Power push button7. I/O module B3. Fan 1

12. Power supply 28. Rear UID push button

4. Enclosure product number and serial

number

Figure 4 Disk enclosure (rear view)

I/O modules

Two I/O modules provide the interface between the disk enclosure and the host controllers, see Figure

5. For redundancy, only dual-controller, dual-loop operation is supported. Each controller is connected

to both I/O modules in the disk enclosure.

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Brocade Communications Systems StorageWorks 4400 Enterprise V User's Guide Page 17