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 ......................................................................................................... 1
23
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
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