Huawei NE40E Hardware Description page 245

NE40E
Hardware Description
Appearance
Panel
Table 1-162 Buttons
Name
OFL
RESET
CF OFL
Table 1-163 Indicators
Name
OFL (red)
RUN (green)
ALM (red)
ACT (green)
CF ACT (green)
Issue 01 (2018-05-03)
Description
Before removing a board, press and hold the OFL button for about 6
seconds until the OFL indicator turns on. Then, you can remove the
board.
This button takes effect only on the slave MPU.
When this button is pressed, the board is reset.
The button is used to power off the CF card. When this button is
pressed, all CF card operations are ended, and the CF card is
powered off.
Description
If this indicator is on, you can remove the board.
Before the board is powered on and registers, this indicator status
changes in the following sequence: off > blinks quickly > steady
on > blinks quickly > steady on > blinks slowly (0.5 Hz).
After the board is powered on and registers, if this indicator blinks at
0.5 Hz, the system is working properly.
If this indicator is steady on, an alarm is generated.
If this indicator is off, no alarm is generated.
If this indicator is steady on, the board functions as the master one.
If this indicator is off, the board functions as the slave one.
If this indicator is steady on, the CF card is properly installed.
If this indicator is blinking, data is being read or written.
If this indicator is off, you can remove the CF card or the CF card is
not installed.
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