H3C S12508-AC Installation Manual page 22

Table 3 Description of the LEDs on the power monitoring module
LED
RUN
MAJOR
MINOR
AC power module
The AC power modules are hot-swappable.
•
• The power module fans draw in fresh air from the front and exhaust warm air out of the rear.
Multiple AC power modules work in N+1 or N+M redundancy and support load balancing.
•
Figure 10 AC power module
(1) Power input LED
(4) Power module fault LED
Table 4 AC power module LED description
LED
Input
Color Status
On
Green
Off
On
Red
Flashing
Off
Yellow Off
(2) Power output LED
Color Status
On
Green
Off
Flashing
Description
The power monitoring module is working properly.
The power monitoring module is faulty.
•
At least one power module is faulty.
•
All power modules have been removed from the power
frame.
•
The switch of the power frame is off.
•
Power modules are in position, but no AC power supply
is provided.
A power module is being inserted or removed.
The power modules are working properly.
Reserved
Description
Power is being correctly input.
No power is being input.
Input power exceeds the threshold.
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(3) Over-temperature alarm LED