Chapter 4
Servicing and Replacing Components
4-5
FIGURE 4-1
PSU
8. Set the PSU flat on an antistatic surface.
9. Insert the new PSU into the External I/O Expansion Unit.
The pivoting flap automatically swings up and out of the way.
Note –
The fan in the new PSU turns on immediately if the External I/O Expansion
Unit is running.
10. Turn the PSU handle 90 degrees into the closed position.
11. Secure the handle locking screw on the PSU handle.
12. Turn on the AC switch on the PSU.
The Fault/Locate LED (
) on the PSU lights up momentarily during the
initialization then turns off. You should see the AC power (
) and DC power
(
) LEDs turn on after the initialization.
For other LED indications, see
Figure Legend
1
Handle
2
Handle locking screw
3
Warning labels
2
1
3
Summary of Contents for SPARC Enterprise M4000
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