Figure 4-11
Architecture of the CX600-X8 AC power supply system
Boards
Backplane
Power module
DC power
AC power
LPU
LPU
LPU
LPU
LPU
LPU
LPU
LPU
SRU
SRU
SFU
PEM A1
PEM A2
FAN
PEM B1
PEM B2
FAN
FAN
area 1
area 2
AC1
AC2
AC3
AC4
DC a
DC b
DC c
DC d
NOTE
PEM A1 and PEM B1 work in 1+1 backup mode, PEM A2 and PEM B2 work in 1+1 backup mode.
4.3 Heat Dissipation System
This section describes the appearance, functions, and specifications of the heat dissipation
system.
4.3.1 System Air Channel
This section describes the CX600-X8's system air channel.
The CX600-X8 draws in air from the front and exhausts air from the rear. The air intake vent is
located above the board area on the front chassis; the air exhaust vent is located above the board
area on the rear chassis.
The two fan modules of the CX600-X8 are located side by side at the air exhaust vent, with each
module containing one fan. The entire system dissipates heat by drawing in air, as shown in
.
HUAWEI CX600-8/16/X3/X8/X16 Metro Service Platform
Hardware Description
4 CX600-X8
Issue 03 (2013-11-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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