IBM DCS9550 1S1 - Manual (Page 15)

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IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide
4.3.2 Ops Panel ........................................................................................................................ 39
4.3.3 SCM I/O Module LEDs ..................................................................................................... 41
4.4.1 Audible Alarm Mute .......................................................................................................... 41
4.5.1 System Faults .................................................................................................................. 42
4.5.2 Power Supply/Cooling Faults ........................................................................................... 42
4.5.3 Thermal Control ............................................................................................................... 43
4.5.4 Thermal Alarm ................................................................................................................. 44
4.5.5 Thermal Shutdown ........................................................................................................... 44
4.6.1 Dummy Carrier Modules .................................................................................................. 45
4.9.1 Power Supply/Cooling Modules ....................................................................................... 46
4.9.2 Ops Panel ........................................................................................................................ 48
4.9.3 SCM I/O Module .............................................................................................................. 48
4.9.4 Drive Carrier Module ........................................................................................................ 50