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5-1
Upgrades and Options
Precautions
The following warnings and cautions apply throughout
this chapter. Only a technically qualified person should
integrate and configure the system.
The only procedure that can safely be done with the
system power on is installing (or hot-swapping) an SCA
drive/carrier assembly in one of the SCSI hot-swap
drive bays or hot-swapping a failed fan module or
power supply. For any other procedures inside the
system, turn off system power and disconnect the AC
power cord(s).
Warning: Before doing the procedures in this chapter,
make sure that your system is powered off and unplug
the AC power cord from the back of the chassis. Failure
to disconnect power before opening your system can
result in personal injury and equipment damage.
Warning: System power on/off.
The DC push-button
on/off switch (a convex button) on the front panel
DOES NOT turn off the system AC power. To remove
power from system, you must unplug the AC power
cord(s) (from wall outlet or power supply).
Warning: Hazardous conditions, power supply.
Hazardous voltage, current, and energy levels are
present inside the power supply. There are no user
serviceable parts inside it; servicing should be done by
technically qualified personnel.
Warning: Hazardous conditions, devices & cables.
Hazardous electrical conditions may be present on
power, telephone, and communication cables. Turn off
the system and disconnect the power cords,
telecommunications systems, networks, and modems
attached to the system before opening it. Otherwise,
personal injury or equipment damage can result.