92
Table 25
LED description
LED Status
Description
(green)
Off
No link is present on the management Ethernet port.
On
A link is present on the management Ethernet port.
(green)
Off
No link is present on the HA port.
On
A link is present on the HA port.
(green)
Off
No CF card is present or the CF card is not recognizable.
On
A CF card is in position and has passed the power-on self-test
(POST).
Flashing
The system is accessing the CF card. Do not remove the CF card in
this state.
(green)
Off
No power input or the MPU is faulty.
Slow flashing
(1 Hz)
The MPU is operating correctly.
Fast flashing
(8 Hz)
The application software is being loaded (in this state, never power
off the device or hot-swap the MPU; otherwise the MPU may be
damaged), or the MPU is not working.
(green)
Off
The MPU is in standby state or there is no power input.
On
The MPU is in active state.
(red)
Off
The system is operating correctly with no alarms.
On
A fault has occurred to the system or the available power is not
enough. In this state, check the system log immediately.
Fast flashing
(8 Hz)
A critical fault has occurred to the system. In this state, handle the
fault immediately.
(green)
Off
No host is connected to the device-mode USB interface.
On
A host is in connection with the device-mode USB interface. The
USB cable can be unplugged in this state.
Flashing
Data is being transmitted or received through the device-mode USB
interface. Do not unplug the USB cable in this state.
(yellow)
Off
No data backup occurred on the HA port.
On
The HA port is backing up data.
(yellow)
Off
No data is being transmitted or received on the management
Ethernet port.
On
Data is being transmitted or received on the management Ethernet
port.
NOTE:
•
Do not remove the CF card when the CF LED is flashing. Otherwise, the files stored on the CF card will
be damaged.
•
USB ports are reserved for future use.
