Sun Microsystems SPARC Enterprise T5120 Installation And Service Manual page 122

FIGURE 4-10
6. At the front of the chassis, install the PSUs:
a. Pull the PSU handle to the unlocked position.
b. Slide the PSU into the slot until the rear of the PSU contacts the centerplane.
c. Turn the PSU handle into the locked position.
d. Tighten the handle locking screw on the handle.
e. Verify that the AC switches are in the Off position.
7. At the rear of the chassis, install the I/O boats.
a. Carefully slide I/O boat 0 into slot 0.
b. Lock the I/O boat in place by tightening the two screws at the top corners of
4-30 External I/O Expansion Unit Installation and Service Manual for SPARC Enterprise T5xxx Servers • April 2011
Installing the External I/O Expansion Unit in the Rack
Lift the I/O cables out of the way as necessary.
the I/O boat.