2-22 Sun Datacenter Switch 3456 Service Manual • August 2008
a. Unthread the cable out of the side branch of the cable tree, and off of the
cable plate.
b. Gently lower the cable to the floor.
If you are disconnecting cables for a line card replacement:
c. Gently lower the cable so that is it hanging from the side branch.
Caution – Do not allow the cable to drop or strike the floor.Jerking, bending,
pulling on, or dropping the cable can damage the cable. See Section 2.4.1 “Cable
Cautions” on page 2-21.
6. Repeat from Step 1 for the cable at 12A.
This is the lower cable.
7. Repeat from Step 1 moving to the right for cables 13B, 13A, 14B, and so on to
23A or the cable that needs replacement.
8. Repeat from Step 1 moving to the left for cables 11B, 11A, 10B, and so on to 0A
or the cable that needs replacement.
9. If you are removing cables to replace a line card, remove the cable tray.
See “Removing Cable Trays”on page 2-20.
Attaching Cables to the Sun Datacenter Switch3456
Note – This procedure assumes that you are cabling a single line cardafter a
replacement procedure. If all line cardsare being cabled, or you are installing a
replacement cable, refer to the Sun Datacenter Switch 3456 Installation Guide.
1. Install a cable tray into the slot for the line card.
Refer to “Installing Cable Trays”on page 2-20.
2. Locate the cable for the connector 23A.
3. Curve the cable to the left through the front branch of the cable tree.
See FIGURE2-15.