## 4.1 First-time installation 

The initial installation of the IBM FlashSystem 900 includes unpacking the system and installing it in a rack. When the system is physically installed in rack, it must be connected to power and cabled for management. Also, it must be cabled for communication with hosts. 

## 4.1.1 Installing the hardware 

This chapter describes unpacking the system to getting it ready for use. 

Hint:  Consider saving the original packaging, if the system might be moved later. 

The replaceable components of the IBM FlashSystem 900 are installed from the front or the back of the enclosure. 

## Installation poster 

The installation poster (see Figure 4-1) that is included with the system when it is delivered from the factory is an overview of how to prepare the system for first-time use. 

## Rack installation 

To install an enclosure in a rack, complete the following steps: 

1. Install the rack mount rails. 

