10/100 Fast Ethernet Switch User’s Guide
14
Identifying External Components
LED Indicators
The LED indicators of the Switch include Power, 100M, Link/Act
(Link/Activity) and FDX (Full-duplex). The LED indicators are used to
facilitate monitoring and troubleshooting of the Switch. The following
shows the LED indicators for the Switch along with an explanation of each
indicator.
Figure 3.3 The DES-1016 Switch LED indicators
♦
Power
This indicator operates when the Switch is turned on. If this
indicator is not lit, check the AC power connector to ensure proper
insertion of the power cord and that the power switch is turned ON.
♦
100M
The LED indicator lights
green
when a 100 Mbps device is
connected to a respective port or the up-Link port. If a 10 Mbps
device is connected to a respective port or the up-Link port, the LED
indicator is OFF.
♦
Link/Act
These LED indicators are lighted up
green
when there is a
secure connection (or link) to a device at any of the ports. The LED
indicators blink
green
whenever there is reception or transmission
(i.e. Activity—Act) of data occurring at a port.
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