Dell S3048-ON Networking S3048–ON Getting Started Guide - Page 18

AC Power, Fans, a single direction in a chassis; do not mix fan flow types.

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NOTE: A country/region-specific AC power cable is included in the shipping container for powering up an AC power supply. You must order all other power cables separately. CAUTION: ESD damage can occur if the components are mishandled. Always wear an ESD-preventive wrist or heel ground strap when handling the S3048- ON and its components. When the system powers up, the fans come on at high speed. The fan speed slows as the system boots up. The power status LED blinks until the boot-up sequence is complete. When the boot up is complete, the power status LED is steadily lit. AC Power CAUTION: Ensure that the PSU is installed correctly. The AC power connector must be on the left side of the PSU and the status LED at the top of the PSU. Connect the plug to each AC power connector. Make sure that the power cord is secure. As soon as the cable is connected between the S3048-ON and the power source, the switch is powered-up; there is no on/off switch. Fans Both the fan modules and the integrated fan-power supplies are hot-swappable if you install a second (redundant) power supply. NOTE: To run the system, all fan slots must have operating fan units. If you do not install a module in each slot, the system shuts down in one minute. NOTE: The S3048-ON supports two airflow direction options. You can only use a single direction in a chassis; do not mix fan flow types. • Normal is airflow from the I/O panel to the power supply. • Reversed is airflow from the power supply to the I/O panel. There are environmental factors that could decrease the amount of time required between fan replacements. Check these environmental factors regularly. Any unusual environmental circumstance at the site that causes an increase in Install the Hardware 18

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NOTE:
A country/region-specific AC power cable is included in the shipping
container for powering up an AC power supply. You must order all other power
cables separately.
CAUTION:
ESD damage can occur if the components are mishandled. Always
wear an ESD-preventive wrist or heel ground strap when handling the S3048–
ON and its components.
When the system powers up, the fans come on at high speed. The fan speed slows
as the system boots up. The power status LED blinks until the boot-up sequence is
complete. When the boot up is complete, the power status LED is steadily lit.
AC Power
CAUTION:
Ensure that the PSU is installed correctly. The AC power connector
must be on the left side of the PSU and the status LED at the top of the PSU.
Connect the plug to each AC power connector. Make sure that the power cord is
secure.
As soon as the cable is connected between the S3048–ON and the power source,
the switch is powered-up; there is no on/off switch.
Fans
Both the fan modules and the integrated fan-power supplies are hot-swappable if
you install a second (redundant) power supply.
NOTE:
To run the system, all fan slots must have operating fan units. If you do
not install a module in each slot, the system shuts down in one minute.
NOTE:
The S3048–ON supports two airflow direction options. You can only use
a single direction in a chassis; do not mix fan flow types.
•
Normal is airflow from the I/O panel to the power supply.
•
Reversed is airflow from the power supply to the I/O panel.
There are environmental factors that could decrease the amount of time required
between fan replacements. Check these environmental factors regularly. Any
unusual environmental circumstance at the site that causes an increase in
Install the Hardware
18