FIGURE 2-13Cable Tree Placement

2.Set the cable trees upright at their respective corners of the switch chassis.

3.Starting on the front right corner of the chassis, lift the cable tree into position.

Have a helper assist in aligning the cable tree mounting screw holes with those in the chassis.

4.While holding the cable tree in position, have a helper install the mounting screws.

a.Using a Allen wrench, install the first M5x1.5 screw into the top hole on the right side of the chassis.

Finger tighten the screw only.

b.Install the second screw into the next lower hole. Finger tighten the screw only.

c.Repeat from Step a until all 11 screws are installed on the right side.

5.Repeat Step 4 for the 11 screws on the front of the right cable tree.

6.Press the cable tree into the switch chassis and firmly tighten all 22 screws from top to bottom.

7.Repeat from Step 3 for the other cable tree at the front left corner of the chassis.

2-18Sun Datacenter Switch 3456 Service Manual • August 2008

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Sun Microsystems 820-4733-10 service manual Finger tighten the screw only