corrosive gases from entering the equipment room and corroding components and circuit
boards.
l The room should be located far away from industrial and heating boilers.
l It is recommended that the room be on or above the second floor. If this requirement cannot
be met, the ground for equipment installation in the room should be at least 600 mm (23.62
in,) above the maximum flood level.
l The room should be at least 3.7 km (2.30 mi.) away from the seaside or salt lake. Otherwise,
the equipment room should be airtight with cooling facilities. In addition, alkalized soil
cannot be used as the construction material. Otherwise, equipment suitable for wet
conditions must be used.
l The equipment room should be strong enough to resist winds and downpours.
l The room should be located away from dusty roads or sand. If this is unavoidable, the doors
and windows of the equipment room must not face pollution sources.
l Do not place air conditioning vents near the equipment so that they blow directly on the
equipment because condensation may be blown into the equipment.
l Do not use decorative materials that contain sulfur in the equipment room.
Equipment Room Layout
The equipment room is usually used to install mobile switching equipment, telecom transmission
equipment and power supply equipment as well as other auxiliary equipment. To ensure easy
maintenance and management, place the telecom equipment in different rooms. Figure 5-79
shows the layout of the equipment room.
Figure 5-79 Layout of the equipment room
Control room
Generator room
Transmission
room
Main communication
equipment room
Power distribution
room
Battery room
Substation room
Communication cable and optical cable
Power cable
The general layout principles of the equipment room are as follows:
l It should meet requirements for laying out and maintaining communication cables and
power cables.
l It should reduce the cabling distance, which eases cable maintenance, reduces potential
communication faults, and maximizes efficiency.
Huawei AP3x10xN&5x10xN&5x30xN&6x10xN&7x10xN
Hardware Installation and Maintenance Guide
5 Appendix
Issue 11 (2015-05-18) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
82
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