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DES-1210G Fast Ethernet/Gigabit Ethernet Switch User's Guide
Rear Panel
The rear panel contains the AC power connector. 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. Supported input
voltages range from 100 ~ 240 VAC at 50 ~ 60 Hz.
Side Panels
The right side panel of the Switch contains one system fan. The left side panel contains heat
vents.
The system fan is 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.
LED Indicators
♦ Power The Power LED will light green after the switch is powered on to indicate the ready
state of the device.
♦ Link/Act Located on the upper left corner of each twisted pair port, this LED indicates a
valid link (steady green) and will blink when data is being transmitted via that port
connection.
♦ 10/100 Mbps On the upper right corner of each twisted pair port, this LED will light when
the connection speed is operating at 100 Mbps. An unlit LED indicates a connection speed
of 10 Mbps.
♦ Link (Gigabit Port) Steady green indicates valid link. Port speed must be designated
1000F for this
♦ Act (Gigabit Port) Blinking Green indicates activity on port.
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Figure 3-2. Rear panel view of the Switch.
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