OptiX OSN 8800/6800/3800
Hardware Description
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
An air filter is installed on the lower fan tray assembly to prevent dust from entering the subrack.
Valid Slots
The fan tray assembly occupies one slot. The valid slots for the fan tray assembly are IU90,
IU91, IU92 and IU93 in the OptiX OSN 8800 T64 subrack.
Specifications of the Fan Tray Assembly
Table 4-17 lists the technical specifications of the fan tray assembly.
For transport equipment, the heat consumption and power consumption are similar and can be
considered the same. Heat consumption is expressed in BTU/h and power consumption is expressed in
W. The conversion between the two units is as follows: 1 BTU/h = 0.2931 W.
Table 4-17 Technical specifications of the fan tray assembly
64.0 mm (2.5 in.) x 493.7 mm (19.4 in.) x 280.5 mm (11.0
in.)
Low Speed: 70 W
Medium-Low Speed: 95 W
Medium Speed: 150 W
Medium-High Speed: 225W
High Speed: 270W
The average life span of a fan tray assembly varies depending
on the actual environment. Environments can be classified as
follows:
Class A environment: refers to the indoor environment
where the ambient temperature and humidity are
controlled (including inhabited rooms).
Class B environment: refers to the indoor environment
where the ambient temperature and humidity are not
controlled or the common outdoor environment where
only simple shelter (such as awning) is available and the
humidity occasionally reaches 100%.
The average life spans of fan tray assemblies in different
environments are as follows:
Class A environment: 6.5 years
Class B environment: 5 years
NOTE
The previous life spans are the average values concluded based on the
test data in a lab and the theoretical model, rather than the actual
values. They are for reference only. The actual life span must be
determined based on the environment conditions of a specific area. In
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