System power LED ........... 52
System status LED ........... 52
FC port status LED ........... 53
QSFP port status LED .......... 53
Nonport-side LED locations ......... 54
Power supply OK and FAIL status LEDs ... 55
Fan assembly status LED ......... 55
Interpreting the POST results ........ 55
Interpreting the BOOT results ........ 56
Running diagnostic tests .......... 56
Power Supply Assemblies ...... 57
Precautions specific to the power supply assemblies 58
Identifying the airflow direction ....... 58
Power supply OK and FAIL status LEDs .... 59
Power supply assembly unit fault indicators ... 59
Power supply assembly task guide ...... 59
Time and items required .......... 60
Recording power supply assembly critical
information .............. 60
Removing a power supply and fan assembly ... 61
Inserting a new power supply assembly ..... 62
Verifying the operation of the power supply and fan
assemblies ............... 63
Fan Assemblies ........... 65
Precautions specific to the fan assemblies .... 66
Identifying the airflow direction ....... 66
Fan assembly status LED .......... 67
Fan assembly unit fault indicators ....... 67
Fan assembly task guide .......... 67
Time and items required .......... 68
Recording power supply and fan assembly critical
information .............. 68
Removing a fan assembly ......... 68
Inserting a new fan assembly ........ 69
Verifying the operation of the power supply and fan
assemblies ............... 70
Chassis replacement ........ 71
Customer replacement responsibilities ..... 71
Determining the need to replace the chassis .. 71
Chassis replacement overview ....... 71
Preparing for replacement ....... 72
Recording critical device and SAN information 72
Powering down the switch ....... 75
Reconnecting system to the network and fabric 75
Downloading the configuration....... 76
Verifying correct operation of system ..... 77
Verifying correct configuration of the fabric... 78
IBM service replacement responsibilities ..... 79
Disconnecting the cables ......... 79
Remove the old switch chassis and install the
new switch chassis ........... 79
Appendix A. Product specifications .. 81
Appendix B. Cable routing table .... 87
Notices .............. 89
Trademarks .............. 90
Homologation statement .......... 90
Electronic emission notices ......... 90
BSMI statement (Taiwan) ......... 90
Canadian requirements ......... 90
CE statement ............. 91
China CCC statement .......... 91
China ROHS ............. 92
FCC warning (US only) ......... 92
Germany statement........... 92
KCC statement (Republic of Korea) ..... 92
VCCI statement ............ 92
Index ............... 93
iv SAN128B-6 Installation, Service, and User Guide
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