D-Link DES-3552 [20/260] Side panel description

DES-3550 Fast Ethernet Layer 2 Switch

Rear Panel Description

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

Figure 1- 3. Rear panel view of the Switch

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.

The rear panel also includes an outlet for an optional external power supply. When power fails, the optional external RPS

will take over all the power immediately and automatically.

Side Panel Description

The right-hand side panel of the Switch contains a system fan, while the left hand panel includes a system fan and a heat

vent.

The system fans are used to dissipate heat. The sides of the system also provide heat vents to serve the same purpose. 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