D-Link DES-1048 User's Guide download pdf (Page 12)

D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch

the ready state of the device.

Link/Act

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

data occurring at a port.

Rear Panel Description

The rear panel of the switch contains an AC power connector.

Figure 1-3. Rear panel view of the Switch

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

end of the cord into a power outlet. The switch automatically adjusts its power setting to any supply voltage in

the range from 100~120; 200~240 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.

Figure 1-4. Side Panels (the left-hand panel is pictured on top)

Mini-GBIC Gigabit Ports

In addition to the 48 10/100Mpbs ports, the Switch features two mini-GBIC ports. See the diagram below to

view the two mini-GBIC port modules being plugged into the Switch.

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D-Link DES-1048 User's Guide Page 12