IBM DCS9550 1S1 Planning Your Installation, Module, Location, Drive Bays, Power Supply, 1 and

Installation

2

Installation

In this chapter, you are shown how to install your DCS9550 1S1 Storage Expansion Unit and plug-in modules into an industry standard 19 inch rack cabinet.

Caution When connecting up the DCS9550 1S1 Storage Expansion Unit, use only the power cords supplied or cords which match the specification quoted in section 1.4.5.

2.1Planning Your Installation

Before you begin installation you should become familiar with the configuration requirements of your DCS9550 1S1 Storage Expansion Unit, detailed in Table 2–1.The correct positions of each of the optional plug-in modules are shown in Table 2–1.Please refer to sections 2.4 - 2.7 for details of SCM I/O module configurations and installation.

Table 2–1	DCS9550 1S1 Storage Expansion Unit Configuration
Module		Location
Drive Bays		ALL drive bays must be fitted with either a drive carrier module
		or a dummy carrier, no bays should be left completely empty.
		Drive carrier modules 0 & 15 provide SES Management Services.
Power Supply/		Two Power Supply/Cooling modules must be fitted. Full power
Cooling Modules		and cooling redundancy is provided while a faulty module is
		replaced. Install the Power Supply/Cooling modules in rear Bays
		1 and 5.
		Note: Rear bays are numbered from 1 to 5 commencing from the right
		side.
SCM I/O Module		One SCM module should be installed in rear Bay 3. A blank
		module is fitted rear Bay 4.

IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide 15