Advantech SmartMotion ST352 Hardware Manual page 18

3. Router Design
3.9.1 Status indication
There are status LEDs 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
PWR Green
USR Yellow
POE Yellow
Green
SIM Green
Yellow
WAN Yellow
DAT Red
IN0 Green
IN1 Green
OUT Yellow
ETH0 Green
ETH1
ETH0 Yellow
ETH1
The status indication of the WAN LED is updated every 10 seconds.
1
Additionally it can indicate a device without PoE support connected on the other side of the cable. In this case the indication is
caused by low impedance (lower than 500
feature on the relevant ETH port in the router's Web interface, see Configuration manual [1].
2
Or the difference between neighbouring cells is exactly 3 dBm.
3
Or the difference between neighbouring cells is smaller than 3 dBm.
SmartMotion ST352 Hardware Manual
State Description
Blinking The router is booting up.
On The router booted up and is ready.
Fast blinking The router firmware is being updated.
— The function of this LED is user-defined.
On PSE: The insufficient voltage on the PWR connector.
Blinking PSE: The powered device takes too much power.
On PD: The power supply is present on an ETH port.
PSE: A correct power supply on the PWR connector.
Blinking PSE: A device is powered via one of the ETH ports.
Off PD: The power supply is not present on an ETH port.
PSE: The PoE disabled in the Ethernet configuration.
On (Green color) The first SIM card is active.
On (Yellow color) The second SIM card is active.
Fades out 1x/5 s Signal strength is good.
Fades out 1x/2 s Signal strength is fair
Fades out 1x/1 s Signal strength is poor
For value ranges of signal strength see Configuration
manual, chapter Mobile WAN Status.
Blinking Cellular communication is in progress.
On The first binary input is active.
On The second binary input is active.
On The binary output is active.
On Selected 100 Mbps.
Off Selected 10 Mbps.
On The network cable is connected.
Blinking Data transmission.
Off The network cable is not connected.
Table 10: LED status indication
) of the device without PoE support. This can be solved by disabling the PoE PSE
3.9 Description of the front panel
2
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3
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