H3C S12500 Installation Manual page 114

Figure 87 Front view of an AC power frame
(1) to (6) AC power modules (the serial numbers are identical to the slot numbers)
(7) Power monitoring module
AC power module
Figure 88 AC power module
(1) Power input LED
(4) Power module fault LED
Power monitoring module
The power monitoring module (callout 7 in
and operating status of the power modules in real time. It is located between the power module slot
area and the power switch.
PEM
The PEM (see
(8) Power monitoring module LED
(2) Power output LED
Figure 89) provides power to the power modules.
(3) Over-temperature alarm LED
Figure 87) monitors the alarm status, in-position status,
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(9) Power frame switch