10/100 Fast Ethernet Switch User’s Guide
Identifying External Components
15
approximately 20 seconds, the green LED lights to indicate
the ready state of the switch.
♦
MII.
The MII (Media Independent Interface) is used for
connection between two independent locations up to a
distance of two kilometers. After the system’s initial check
and power is on, this LED indicator is
ON
(
green
) when a
secured connection is established at the port, otherwise it is
OFF
.
♦
Console.
This LED indicator is lit when the switch is being
managed via out-of-band/ local console management through
the RS-232 console port using a straight-through serial
cable. When a secured connection is established, this LED
indicator is lit
green
. Otherwise, it is OFF.
♦
100 M
. These LED indicators are illuminated (
green
) when
a 100 Mbps device is connected to any of the 8 ports or
uplink port. If a 10 Mbps device is connected to any of the 8
ports or uplink port, these LED indicators are
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.
♦
FDX/Col
. This LED indicator is
green
when a respective
port is in full duplex (FDX) mode. Otherwise, it is OFF for
half duplex (HDX) operations. It blinks
yellow
when
collisions are occurring on the respective port.
♦
System Load.
Indicates the current traffic load on the
Switch. The system load bar provides a quick reference of
the current traffic load relative to the capacity. It is a
measure of the number of packets traversing within the
device. Only valid packet and transmit packet are counted.