H3C Technologies H3C SR6600-X - Manual (Page 130)

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LED Status Description
(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 application software is being loaded.
CAUTION:
To avoid the hardware damage, do not power off the router or
insert or remove the MPU.
Figure 107 SFE-X1 LEDs
Table 42 SFE-X1 LED description
LED Status Description
(green)
RUN
Off No power input is available, or the MPU has failed.
Slow flashing
(1 Hz)
The SFE-X1 is operating correctly.
Fast flashing (8
Hz)
The application software is being loaded or the SFE-X1 is not
started.
CAUTION:
To avoid the hardware damage, do not power off the router, or insert
or remove the SFE-X1 when the application software is being loaded.