ICR-4401
2.9
LED Status Indication
There are six LED indicators on the top side of the router to provide router status informa-
tion. Moreover, ETH0 and ETH1 connectors, located on the front panel, have two additional
LEDs providing information about the port status.
Caption
Color
State
Description
PWR
Green
Green
Green
On
Blinking
Fast blinking
Starting of the router
Router is ready
Updating firmware
USR
Green
On / Blinking /
Fast blinking
Function of this LED diode can be selected by user
IN0
Green
On
The first binary input is active.
IN1
Green
On
The second binary input is active.
OUT0
Green
On
The first binary output is active.
OUT1
Green
On
The second binary output is active.
ETH0
ETH1
Green
Green
On
Off
Selected 1 Gbps bit rate
Selected 100/10 Mbps bit rate
ETH0
ETH1
Yellow
Yellow
Yellow
On
Blinking
Off
The network cable is connected
Data transmission
The network cable is not connected
Table 11: LED Status Indication
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