Dell Z9000 Руководство - Страница 22
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the input circuits are correctly sized for the loads and that you use sufficient over-current protection
devices.
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all protective covers are in place.
NOTE: A US AC power cable is included for powering up an AC power supply. You must order all
other power cables separately.
NOTE: ESD damage can occur if components are mishandled. Always wear an ESD-preventive wrist
or heel ground strap when handling the Z9000 system and its components.
Power Up Sequence
When the system powers up, the fans immediately come on at high speed. The fan speed slows as the
system boots up.
The SYS Light Emitting Diode (LED) does not light up until the boot-up sequence is complete. When the
boot-up is complete, the SYS LED is steadily lit green.
AC Power
To add AC power, connect the power cord plug to each AC power connector. Make sure that the power
cord is secure.
As soon as the cable is connected between the Z9000 system and the power source, the system is
powered-up; there is no on/off switch.
DC Power
To add DC power, follow these steps.
1.
Remove the small plastic cover from the DC connectors.
2.
Ensure that the power source is turned off. Do not attach the DC cable to the DC connectors while
the power source is on.
3.
Attach the connectors to the Power Supply Units (PSUs). Make sure that the connections are secure.
4.
Replace the plastic cover over the DC connectors.
As soon as the cable is connected between the Z9000 system and the power source, the system is
powered-up; there is no on/off switch.
22
Install the Z9000