5

LED Indicators
Figure 2-4. LED Indicators
There are three LED-Indicators (100M, LNK/ACT, FDX/COL) for each
RJ-45 port. The following table provides descriptions of the LED
statuses and meaning. They provide a real-time indication of systems
operation status.

LED Status Color Description

Power On Green Power On
On Green The port is operating at the speed of
100Mbps.
100M
Off The port is operating at the speed of
10Mbps.
On Green The port is successfully connecting with
a device.
Blinks Green The port is receiving or transmitting
data.
LNK /
ACT
Off No device attached.
On Orange The port is operating in full-duplex
mode.
Blinks Orange Collision of Packets is occurring on the
port.
FDX /
COL
Off Half-duplex mode or no device
attached.
Table 2-1. The description of LED Indicators