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10
System LEDs
The switch has a series of LEDs that you can use to determine the operating
status of the system and the ports. The LEDs are described in Table 1.
Table 1 System and Port LEDs
LED Color Function
POWER Steady Green The switch is receiving power.
LINK/ACT Steady Green The twisted pair or fiber optic port has
established a valid link with the end node
connected to the port.
Blinking Green The switch is detecting activity on the twisted
pair or fiber optic port.
OFF The twisted pair or fiber optic port has not
established a link with the end node.
100M Steady Green The twisted pair port or fiber optic port is oper-
ating at 100 Mbps.
OFF The twisted pair port is operating at 10 Mbps.
(The fiber optic port cannot operate at 10
Mbps).
FDX Steady Green The twisted pair port or the fiber optic port is
operating in full-duplex mode.
OFF The twisted pair port is operating in half-
duplex. (The fiber optic port cannot operate in
half-duplex mode.)