H3C Technologies H3C S12500 Series Switches - Manual (Page 20)

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Figure 9 Power frame appearance (without any power supply)
AC power supply
The AC-powered chassis of the S12500 switches use the PSE9000-A1 AC power supply system, which
comprises an AC power frame, a power monitoring module, a power entry module (PEM), and up to six
power supplies.
AC power frame
Each AC power frame can have one power monitoring module and up to six AC power supplies.
Figure 10 Front view of an AC power frame
(1) to (6) AC power supplies (the serial numbers are identical to the slot numbers)
(7) Power monitoring module
(8) Power monitoring module LED (9) Power frame switch
Table 3 Power monitoring module LED description
LED Status Description
RUN
Steady on The power monitoring module is operating properly.
Off The power monitoring module is faulty.