IBM Netfinity 3000, User Handbook Manual

Page: 109 / 370

Preparing to add options
10
CAUTION:
Electrical current from power, telephone, and
communication cables can be hazardous. To avoid
personal injury or equipment damage, disconnect the
attached power cords, telecommunications systems,
networks, and modems before you open the server
covers, unless instructed otherwise in the installation
and configuration procedures.
7. Disconnect all cables attached to the server; this includes power
cords, input/output (I/O) cables, and any other cables that are
connected to the server.
Notes:
a. For more information about the rear connectors, see
“Input/output connectors” on page 11.
b. For more information about ports, including universal serial
bus (USB), see “Connecting external options” on page 133.
Chapter 4. Installing options
75