ICR-4453
2.10
LED Status Indication
There are eleven LED indicators 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
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.
DAT
Green
Blinking
Communication in progress on radio channel
SIG
Green
Orange
Red
On
On
On
Good signal
Fair signal
Poor signal
TECH
Green
Orange
Red
On
On
On
5G technology is used by the active SIM
4G technology is used by the active SIM
3G technology is used by the active SIM
SIM1
Green
Red
On
Fast blinking
SIM1 is selected
SIM1 card problem (missing SIM1 or PIN not entered)
SIM2
Green
Red
On
Fast blinking
SIM2 is selected
SIM2 card problem (missing SIM2 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 11: LED Status Indication
24
