Huawei CX600-8 Hardware Description page 107

HUAWEI CX600-8/16/X3/X8/X16 Metro Service Platform
Hardware Description
Figure 4-11 Architecture of the CX600-X8 AC power supply system
DC power
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
Figure
Issue 03 (2013-11-30)
AC4
AC2
AC1
AC3
DC d
DC c
DC b
DC a
NOTE
4-12.
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FAN
AC power
Boards
PEM A2
PEM B2
PEM A1
PEM B1
Backplane
Power module
FAN
area 1
area 2
4 CX600-X8
FAN
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