Contents
007-5510-002 iii
5.6.3 AC INPUT PCM.............................................................................................................. 106
5.6.4 DC INPUT PCM ..................................................................................................... ... ..... 106
5.6.5 DC OUTPUT PCM .........................................................................................................107
5.6.6 PCM Safety and EMC Compliance ................................................................................ 107
5.6.7 Power Cord .................................................................................................................... 107
5.7 Environment ............................................................................................................................ 107
6 Drive Enclosure Installation .......................................................................................................109
6.1 Introduction .............................................................................................................................. 109
6.2 Planning Your Installation ........................................................................................................109
6.2.1 Enclosure Bay Numbering Convention .......................................................................... 110
6.3 Enclosure Installation Procedures........................................................................................... 112
6.4 I/O Module Configurations ......................................................................................................112
6.4.1 Controller Options .......................................................................................................... 112
6.5 SAS DEM ................................................................................................................................113
6.6 SATA Interposer Features .......................................................................................................113
6.7 Drive Enclosure Device Addressing........................................................................................ 113
6.8 Grounding Checks ...................................................................................................................113
7 Drive Enclosure Operation .........................................................................................................115
7.1 Before You Begin ....................................................................................................................115
7.2 Power On / Power Down .........................................................................................................115
7.2.1 PCM LEDs...................................................................................................................... 115
7.2.2 I/O Panel LEDs............................................................................................................... 116
8 Drive Enclosure Troubleshooting ............................................................................................. 117
8.1 Overview ................................................................................................................................. 117
8.2 Initial Start-up Problems ..........................................................................................................117
8.2.1 Faulty Cords ...................................................................................................................117
8.2.2 Alarm Sounds On Power Up ............................................................................... ........... 117
8.2.3 Green “Signal Good” LED on I/O Module Not Lit ........................................................... 117
8.2.4 Computer Doesn’t Recognize the Drive Enclosure Subsystem .................................... 117
8.3 LEDs ........................................................................................................................................118
8.3.1 HDD (Hard Disk Drive) ...................................................................................................118
8.3.2 PCM (Power Cooling Module) ........................................................................................118
8.3.3 DEM (Drive Expander Module) ......................................................................................118
8.3.4 I/O Module ......................................................................................................................119
8.3.5 Front Panel Drive Activity Indicators ..............................................................................120
8.4 Audible Alarm ..........................................................................................................................121
8.4.1 Top Cover Open ............................... ..............................................................................121
8.4.2 SES Command ............................................................................................................... 121
8.5 Troubleshooting ....................................................................................................................... 121
8.5.1 Thermal Control.............................................................................................................. 121
8.5.2 Thermal Alarm ................................................................................................................123
8.5.3 Thermal Shutdown ........................................................................ .. ............................... 123
8.6 Dealing with Hardware Faults ................................................................................................. 123
8.7 Continuous Operation During Replacement............................................................................ 124
8.8 Replacing a Module.................................................................................................................124
8.8.1 Power Cooling Modules .................................................................................................124
8.8.2 I/O Module ......................................................................................................................126
8.8.3 Replacing the Drive Carrier Module ...............................................................................126