Gigabit Chassis Switch
16
Figure 3-10. DIP-switch location and setting mode of Gigabit Fiber Module
3-5-3 LED Indicators
The are four LED indicators for one Gigabit Fiber connection port. If
there is no connection to a port, the corresponding LED indicators
are not lit.
n
LK
The LED indicator is
green
when there is a connection
securely to a device ( Link ) to the corresponding port.
n
ACT
This LED indicator blinks
green
when there is a data
transmission ( Activity ) taking place at the corresponding port.
n
FD
The LED indicator is
yellow
when the corresponding port
is operating in Full-duplex mode. When the corresponding port
is operating in Half-duplex mode, the LED indicator is not lit.
n
COL
The LED indicator blinks
yellow
when collisions are
occurring at the corresponding port
