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====== Preface ======

===== What is in This Guide =====

This user guide gives you step-by-step instructions on how to install, configure and connect a LaCie 12big Rack Serial 2 system to your host computer system, and how to use and maintain the system.

===== Who Should Use This Guide =====

This user guide assumes that you have a working knowledge of storage appliance products. If you do not have these skills, or are not confident with the instructions in this guide, do not proceed with the installation.

===== Qualified Personnel =====

The personnel referred to within this document are defined as follows:

  * Service Person: A person having appropriate technical training and experience necessary to be aware of hazards to which that person may be exposed in performing a task and of measures to minimize the risks to that person or other persons.
  * User/Operator: Any person other than a Service Person.

===== Terms and Abbreviations =====

| CLI | Common Line Interface | PDU | Power Distribution Unit |
| PSU | Power Supply Unit | EEPROM | Electrically Erasable Programmable Read-Only Memory |
| RAID | Redundant Arrays of Inexpensive Disks | EM | Enclosure Management |
| PCM | Power Cooling Module | ESD | Electro-Static Discharge |
| SAS | Serial Attached SCSI | ESI | Enclosure Services Interface Processor |
| SATA | Serial ATA | SBB | Storage Bridge Bay |
| SCSI | Small Computer System Interface | I2C | Inter-Integrated Circuit |
| SEP | Storage Enclosure Processor | SES | SCSI Enclosure Services |
| LED | Light-Emitting Diode | SFF | Small Form Factor |
| UPS | Universal Power Supply | PCB | Printed Circuit Board |
| VPD | Vital Product Data |