Power Up Sequence; Ac Power; Dc Power - Dell S4810 Installing Manual

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 PWR Light Emitting Diode (LED) blinks until the boot-up sequence is complete. When the boot up
is complete, the PWD LED is steadily lit.

AC Power

CAUTION: Ensure that you correctly install the PSU. When correctly installed, the AC power connector is on
.
the left side of the PSU and the status LED is at the top of the PSU
To add AC power, connect the power cord plug to each AC power connector. Make sure the power cord is
secure (Figure 4-5).
As soon as the cable is connected between the S4810 and the power source, the system is powered-up;
there is no on/off switch.
Figure 4-5. AC Power Connection

DC Power

To add DC power, connect the power cord plug to each DC power connector. Make sure the power cord is
secure (Figure 4-6).
As soon as the cable is connected between the S4810 and the power source, the system is powered-up;
there is no on/off switch.
Figure 4-6. DC Power Connection
30 | Install the S4810
(Figure 4-5).
Power connection
LED
Power connection
LED