Fujitsu SPARC Enterprise T5220 Service Manual page 22

Task
Maintenance
Caution – This indicates that hazardous voltages are present. To reduce the risk of
electric shock and danger to personal health, follow the instructions.
Task
Maintenance
xx SPARC Enterprise T5120 and T5220 Servers Service Manual • July 2009
Warning
Damage
The server is heavy. Two persons are required to remove it from the rack.
The servers are heavy. Two people might be required to carry the chassis
and install it in the rack.
Warning
Electric shock
Never attempt to run the server with the covers removed. Hazardous
voltage present.
Because 3.3v standby power is always present in the system, you must
unplug the power cords before accessing any cold-serviceable
components.
The system supplies power to the power distribution board even when
the server is powered off. To avoid personal injury or damage to the
server, you must disconnect power cords before servicing the power
distribution board.
The system supplies power to the power supply backplane even when
the server is powered off. To avoid personal injury or damage to the
server, you must disconnect power cords before servicing the power
supply backplane.
For server models with DC input power, do not disconnect the power
cable at the Wago connector on the server DC power supply unit.
Instead, turn off the power at the circuit breaker on the power source.