Power Supply System - H3C S12500 Installation Instructions Manual

Auto-detects types of boards in slots.
Connects with power frames to provide distributed power supply for MPUs, LPUs, switching fabric
modules, fan trays, and PSUs, and to provide monitoring channels.

Power Supply System

AC power frame
The power supply system is at the chassis top behind the front panel of the power frame. It adopts the
space multiplexing technique to allow for flexible configuration of PSUs as needed.
An S12508 switch is configured with one AC power frame. An S12518 switch is configured with two AC
power frames.
Figure 1-5 Front view of an AC power frame
(1) to (6) AC PSUs (the serial numbers indicate the slot numbers)
(7) Power monitoring module
Table 1-1 Description of power monitoring module indicators
Indicator
RUN
MAJOR
MINOR
AC power module
PSUs are hot-swappable.
The power supply fans draw in fresh air from the front and exhaust warm air from the back.
Supports load balancing and N+1/N+M redundancy for the PSUs.
Color Status
On
Green
Off
On
Red
Blinking
Off
Yellow Off
(8) Power frame switch
Description
The power monitoring module is working normally.
The power monitoring module is faulty.
At least one AC PSU is faulty.
All AC PSUs are removed from the power frame.
The switch of the power frame is off.
PSUs are in position, but no AC power supply is
provided.
An AC PSU is being inserted or removed.
The AC PSUs are working normally.
Reserved
1-6