Product description
2CKA001473B5394
│15
4.4
LED Functions
The three LEDs on the front of the device have the following functions:
LED
LED colour
Function
LED ON
Green
Display of operational readiness
■
Off, when there is no supply voltage
■
Flashes slowly during the system startup (1 Hz)
■
Lights up permanently, when the startup of the system
was successful
■
Flashes quickly during device startup (4 Hz)
■
Flashes when the device is reset (3 Hz)
■
Flashes when the IP address is reset (3 Hz)
■
Flashes when resetting to factory settings (10 Hz)
LED LAN/LINK
Yellow
Display of network connection.
■
Off, when there is no network connection or no LAN
port is connected with an IP router/switch
■
Lights up permanently when the device is ready for
operation and when at least one LAN port is connected
with an IP router/switch
■
Flickers during traffic on the LAN ports
■
On when resetting the device
■
Flashes when the IP address is reset (3 Hz)
■
Flashes when resetting to factory settings (10 Hz)
LED status
Yellow
Display of device status
■
On when the device is in programming mode
■
Flashes fast (4 Hz) when an error was detected during
the bootup, e.g. when the bootloader has not found a
signed root image or the system is in secured mode
■
Flashes during resetting to the factory settings (10 Hz)
