Assemble these items before proceeding with the installation.
v Antistatic protection, such as a grounded wrist strap
v Cart or other surface to hold the DS4800 and its components
v Two M5 screws
v Tie wraps or other cable management devices (optional)
Releasing and locking a component lever
Each of the components in the DS4800 Storage Subsystem is held in place by two
locking levers. Each lever engages a pin on the DS4800 Storage Subsystem
enclosure to pull the component securely into the enclosure. Figure 16 on page 39
shows the lever, the latch that locks the lever into position, and the pin. The top
view shows the lever in the closed and locked position. The bottom view shows the
lever in the released position.
AC power switch
Controller B
Controller A
Power supply-fan
Interconnect-battery unit
Front cover
Power supply-fan
ds48023
Figure 15. DS4800 Storage Subsystem front views and back view
38 IBM System Storage DS4800 Storage Subsystem: Installation, User’s, and Maintenance Guide
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