5.4.1. Checklist ..................................................................................... 58
5.4.2. Connecting Power Cords .................................................................. 59
5.4.3. Power-On Procedure ....................................................................... 59
5.4.4. Power-On Status Check .................................................................... 60
5.4.5. Power-Off Procedure ...................................................................... 62
Chapter 6. System Monitoring .................................................................... 63
6.1. Monitoring Features ........................................................................ 63
6.1.1. LED Panel Status ............................................................................ 64
6.1.2. Drive Tray LED .............................................................................. 66
6.2. Controller LED ................................................................................. 67
6.2.1. Controller LED for JBOD Models .......................................................... 68
6.2.2. Ethernet Port LEDs ......................................................................... 69
6.3. PSU/Cooling Module LEDs .................................................................... 70
6.4. Alarms and I2C Bus ............................................................................ 70
6.4.1. Audible Alarms .............................................................................. 71
6.4.2. l2C ............................................................................................. 71
Chapter 7. System Maintenance ................................................................. 72
7.1. Replacing the Power Supply Module / Cooling Module ................................ 73
7.1.1. Detecting a Failed PSU .................................................................... 73
7.1.2. Replacing Power Supply Unit ............................................................. 74
7.2. Replacing a Hard Drive ....................................................................... 76
Chapter 8. Troubleshooting ....................................................................... 78
8.1. OS Hard Drive Replacement ................................................................ 78
8.2. OS Drive Status Checkup Methods ......................................................... 78
8.3. Power on the System, and Format RAID ................................................. 82
Appendix .............................................................................................. 86
A. Technical Specifications ....................................................................... 86
Connection Interface ............................................................................... 86
CPU & Operating System Hard Drive ............................................................ 86
RAID Configurations ................................................................................ 86
Fault Tolerance for RAID models ................................................................. 87
Power Supply ........................................................................................ 88
Dimensions ........................................................................................... 88