● Both ends of an idle high-speed cable must be covered by an ESD cap.
● The bend radius of high-speed cables must be larger than the minimum bend
radius. Overbending high-speed cables may damage wires in the cables.
● Laser beams will cause eye damage. Do not look into bores of optical
modules or optical
bers without eye protection.
● Cover idle optical ports and optical modules with dust plugs and cover idle
optical bers with dust caps.
● Bundle optical bers with binding tape. Apply appropriate force to ensure that
the optical
bers in a bundle can be moved easily.
● Fiber connectors must be tidy and clean to ensure normal communication. If
a ber connector is contaminated, clean it using a piece of ber cleaning
fabric.
Optical Module
● Devices must use optical modules that are
certied for Huawei devices.
Optical modules that are not
certied for Huawei devices cannot ensure
transmission reliability and may aect service stability. Huawei is not liable
for any problems caused by the use of optical modules that are not certied
for Huawei devices.
● The transmit power of a long-distance optical module is often larger than its
overload power. Therefore, when using such optical modules, select optical
bers of an appropriate length to ensure that the actual receive power is
smaller than the overload power. If the optical bers connected to a long-
distance optical module are too short, use an optical attenuator to reduce the
receive power on the remote optical module. Otherwise, the remote optical
module may be burnt.
4.1.2 A66E Cabinet Installation Guide
4.1.2.1 Introduction to the A66E Cabinet
Naming Conventions
Figure 4-1 shows the naming conventions of the A66E cabinet.
Figure 4-1 Cabinet name
HUAWEI NetEngine 8000 F
Hardware Guide 4 Hardware Installation and Parts Replacement
Issue 05 (2023-03-31) Copyright © Huawei Technologies Co., Ltd. 348
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