149
LED Status
Description
(green)
USB
Off
No host is connected to the device-mode USB port.
Steady on
A host is connected to the device-mode USB port. The
USB cable can be unplugged in this state.
Flashing
Data is being transmitted or received through the
device-mode USB port. In this state, do not unplug the
USB cable.
Figure 130 RPE-X3 LEDs
Table 73 RPE-X3 LED description
LED Status
Description
(yellow/green)
LINK/ACT
Steady yellow
A 10/100 Mbps link is present.
Steady green
A 1000 Mbps link is present.
Flashing yellow
Data is being received or transmitted at 10/100 Mbps.
Flashing green
Data is being received or transmitted at 1000 Mbps.
(red)
ALM
Off
The system is operating correctly and no alarm has
occurred.
Steady on
A fault has occurred on the system.
Fast flashing (8
Hz)
A critical fault has occurred to the system.
(red)
PALM
Off
The power system is operating correctly.
Steady on
The available power is insufficient.
(green)
ACT
Off
The MPU is in standby state.
Steady on
The MPU is in active state.
(green)
RUN
Off
No power input is available, or the MPU has failed.
Slow flashing (1
Hz)
The MPU is operating correctly.
Fast flashing (8
Hz)
The system software is being loaded. To avoid
damage to the MPU, never power off the device or
hot-swap the MPU.
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