Rear Panel Description; Side Panel Description - D-Link DES-1048 User Manual

This indicator on the front panel should be lit during the Power-On Self Test (POST).
It will light green approximately 2 seconds after the switch is powered on to indicate
Power
the ready state of the device.
Each on-board port has a corresponding indicator. This will light steady green for a
valid link and blink whenever there is reception or transmission (i.e. Activity--Act) of
Link/Act
data occurring at a port.

Rear Panel Description

The rear panel of the switch contains a system fan and an AC power connector.
The system fan is used to dissipate heat. The AC power connector is a standard three-pronged connector that
supports the power cord. Plug-in the female connector of the provided power cord into this socket, and the male
side of the cord into a power outlet. The switch automatically adjusts its power setting to any supply voltage in
the range from 100 ~ 240 VAC at 50 ~ 60 Hz.

Side Panel Description

The sides of the system provide heat vents that help to dissipate heat. Do not block these openings, and leave at
least 6 inches of space at the rear and sides of the switch for proper ventilation. Be reminded that without proper
heat dissipation and air circulation, system components might overheat, which could lead to system failure.
D-Link DES-1048 Unmanaged Layer 2 Ethernet Switch
Figure 1-2. LED Indicators
Figure 1-3. Rear panel view of the Switch
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