ICR-3231
5.7.1
Status Indication
There are six LED indicators on the front panel to provide router status information. Each
ETH port has two additional LEDs that provide 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
SIG
Green
Orange
Red
On
On
On
Good signal
Fair signal
Poor signal
DAT
Green
Blinking
Communication in progress on radio channel
SIM1
Green
Green
Orange
Red
Red
Blinking
On
On
On
Fast blinking
SIM is selected, router waits for data connection
4G technology
3G technology
2G technology
SIM card problem (missing SIM card or PIN code not
entered)
SIM2
Green
Green
Orange
Red
Red
Blinking
On
On
On
Fast blinking
SIM is selected, router waits for data connection
4G technology
3G technology
2G technology
SIM card problem (missing SIM card or PIN code not
entered)
USR
Green
On / Blinking /
Fast blinking
Function of this LED diode can be selected by user
ETH0
ETH1
Green
Green
On
Off
Selected 100 Mbps
Selected 10 Mbps
ETH0
ETH1
Yellow
Yellow
Yellow
On
Blinking
Off
The network cable is connected
Data transmission
The network cable is not connected
Table 5: Status indication
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