Huawei OptiX OSN 8800 User Manual

OptiX OSN 8800/6800/3800
Hardware Description
4 OptiX OSN 8800 Subrack
Issue 01 (2016-03-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
85
Figure 4-36 Functional block diagram of the fan tray assembly

FAN: dissipates heat generated by normal operation of the subrack. FAN is the core of
the fan tray assembly.

Fan control board:
− Controls the fan speed according to regulating signals.
− Detects faults. After a fault is detected, the fan control board reports an alarm. In
this case, the SCC board issues commands to instruct the other fan in the same area
to adjust the fan speed based on the temperature reported by the board.
− Monitors the fan speed regulating signals, the fan status, and the online/offline state
of the fan tray assembly.
− Receives and carries out commands from the SCC board to shut down the fans on
the fan tray assembly if necessary.
Appearance
Figure 4-37 shows a fan tray assembly.
Figure 4-37 Fan tray assembly
1
2
3
P
U
L
L
P
U
L
L
F
A
N
CAUTION
Hazardous moving parts,keep fingers
and other body parts away.
严禁在风扇旋转时接触扇叶！
1. Air filter
2. Operating status indicators
3. Fans (eight in total)
An air filter is installed on the fan tray assembly to prevent dust from entering the subrack.

Huawei OptiX OSN 8800 Specifications

General

Brand	Huawei
Model	OptiX OSN 8800
Category	Network Hardware
Language	English