Tables
1. Declared noise emissions in accordance with ISO 9296(1-5)................................................................. xvii
2. IBM COS Medium and Large Disk Enclosure variants.................................................................................. 7
3. IBM COS Medium and Large Disk Enclosure - rear panel components.......................................................9
4. Enclosure top panel.................................................................................................................................... 11
5. Medium Disk Enclosure partially populated conguration........................................................................ 12
6. Medium Disk Enclosure partially populated conguration........................................................................ 14
7. LEDs: enclosure front panel........................................................................................................................15
8. LEDs - 2000W PSU - rear panel.................................................................................................................. 17
9. LEDs - system fan module - rear panel...................................................................................................... 18
10. LEDs: Expansion module - rear panel.......................................................................................................20
11. LED - Dual path LFF disk drive carrier modules - top panel.................................................................... 22
12. LEDs: Controller channel fan module - top panel.................................................................................... 23
13. HS expander module LEDs....................................................................................................................... 23
14. Installation checklist.................................................................................................................................25
15. Storage system conguration...................................................................................................................26
16. PSU LED status..........................................................................................................................................48
17. Drive carrier module LED.......................................................................................................................... 48
18. Expansion module LED states.................................................................................................................. 49
19. Alarm conditions....................................................................................................................................... 49
20. PSU and system fan faults........................................................................................................................ 50
21. Thermal monitoring and control...............................................................................................................51
22. Thermal alarm........................................................................................................................................... 51
23. IBM COS Medium/Large Disk Enclosure product components for 4U 106-drive chassis......................53
vii