Storage Expansion Enclosure Components; Storage Expansion Enclosure Bays; Hot-Swap Drive Bays - IBM TotalStorage DS4000 EXP700 Installation, User's, And Maintenance Manual

v IBM LC-SC Fibre Channel Cable Adapter
v Gigabit Interface Converter (GBIC)
Note: For some storage expansion enclosure models, you must order these

Storage expansion enclosure components

The storage expansion enclosure has the following removable components, called
customer replaceable units (CRUs). All CRUs are accessible from the front or back
of the storage expansion enclosure.
v DS4000 2 Gb/s fibre channel hard disk drives
v Environmental service modules (ESMs) (comes with two)
v Power supplies (comes with two)
v Fans (comes with two)
Note: The figures used in this document are for illustrative purposes only. In some

Storage expansion enclosure bays

This section shows the location of storage expansion enclosure hot-swap CRU bays
and describes the functionality of each CRU. The hot-swap features of the storage
expansion enclosure enable you to remove and replace DS4000 2 Gb/s fibre
channel hard disk drives, power supplies, ESMs, and fan units without turning off
the storage expansion enclosure. You can maintain the availability of your system
while a hot-swap device is removed, installed, or replaced.

Hot-swap drive bays

The hot-swap drive bays that are accessible from the front of your storage
expansion enclosure are shown in Figure 2.
Figure 2. Hot-swap drive bays
options separately.
Note: The DS4000 EXP700 and EXP710 ESMs are not interchangeable. In
addition, you cannot mix DS4000 EXP700 and EXP710 ESMs in the same
storage expansion enclosure. Always verify that you have the correct FRU
P/N before you order replacement ESMs or insert replacement ESMs in
the storage expansion enclosure.
cases, the actual device might look different from the figure. This applies
particularly in cases where the DS4000 EXP710 differs from the DS4000
EXP700.

Hot-swap drive bays

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Chapter 1. Introduction