ICR-4461
2.12
LED Status Indication
There are status LEDs on the top side of the router to provide router status information.
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
The router is booting up.
The router booted up and is ready.
The router firmware is being updated.
USR
Green
—
The function of this LED is user-defined.
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.
DAT
Green
Blinking
Cellular communication is in progress.
SIG
Green
Orange
Red
On
On
On
Good cellular signal.
Fair cellular signal.
Poor cellular signal.
TECH
Green
Orange
On
On
The active SIM uses 4G technology.
The active SIM uses 3G technology.
SIM1
Green
Red
On
Fast blinking
SIM1 is active for the cellular connection.
A SIM1 issue (missing card or PIN not entered).
SIM2
Green
Red
On
Fast blinking
SIM2 is active for the cellular connection.
A SIM2 issue (missing card or PIN not entered).
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 14: LED Status Indication
27
