Table 1-9
Description of the LEDs
LED
Status
Meaning
device LEDs
RUN (green)
Off
No power input is available, or the RPE-X1 has failed.
Slow blinking
(1 Hz)
The RPE-X1 is operating normally.
Fast blinking
(8 Hz)
The application software is being loaded (in this case,
never power off the device or hot-swap the RPE-X1;
otherwise the RPE-X1 may be damaged), or the RPE-X1
is not working.
ACT (green)
Off
The RPE-X1 is in the standby state.
On
The RPE-X1 is in the active state.
ALM (red)
Off
The system is operating normally and there is no alarm.
On
A fault has occurred to the system. In this state, you need
to check the system log immediately.
Fast blinking
(8 Hz)
A critical fault has occurred to the system. In this state, you
need to handle the fault immediately.
management
Ethernet
interface
LED
LINK/ACT
(yellow/green)
Solid yellow
A 10/100 Mbps link is present.
Solid green
A 1000 Mbps link is present.
Blinking yellow
Data is being received or transmitted at a rate of 10/100
Mbps.
Blinking green
Data is being received or transmitted at a rate of 1000
Mbps.
USB 1 LED
USB (green)
Off
No host is connected to the device-mode USB interface.
On
A host is connected to the device-mode USB interface.
The USB cable can be unplug in this state.
Blinking
Data is being transmitted or received through the device-
mode USB interface. In this state, do not unplug the USB
cable.
CF LED
CF (green)
Off
No CF card is present or the CF card is not recognizable.
On
A CF card is in position and has been detected.
Blinking
The system is accessing the CF card. In this state, do not
remove the CF card.
Do not remove the CF card when the CF LED is blinking. Otherwise, the file system on the CF
card will be damaged.