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Installation Manual – Hardware Installation
BBU3806 WCDMA Base Band Unit
Avoid direct sunshine on the equipment room to prevent circuit boards and other
elements from aging and deforming.
Install gentle and anti-explosion lamps in the battery compartment.
For unattended NodeBs, use common illumination provided by the mains supply
for the equipment room.
For large-capacity or crucial NodeBs, prepare an emergency lighting system with
DC power supply as standby illumination.
3.5.10 Fire Prevention Requirements
For fire protection purposes, comply with the following standards and practices:
The equipment room is at least 6 or 7 meters from any other construction.
Keep flammable and explosive materials away from the equipment room.
Fire-extinction facilities are available on the construction site. Smoke and
temperature sensors, if any, are functional. .
Mark sockets at different voltages with distinct labels.
Install safety covers on the reserved mounting holes in the floor.
You can prepare auto extinguishers to control or put out fire in case of an emergency.
Besides, prepare portable extinguishers along the aisle outside the equipment room.
With the assumed fire lasting two hours, the water pool for fire extinction shall be
large enough to hold water for extinguishing fire both outside and inside the room.
Place fire hydrants in the aisle or near the staircase where they are distinct and easily
accessible. Do not place them inside the equipment room.
3.5.11 Environment Monitoring System Requirements
The environment monitoring system consists of:
Timing control
Temperature monitoring
Theft alarm
Smoke alarm
Standby power supply
Table 3-2 lists the major functions of the system.
Table 3-2 Major functions of environment monitoring system
Timing control
Item
The system controls the working of two air conditioners by
a timing converter. The controlled air conditioners can
take turns in working. This may save energy and prolong
the service life of air conditioners.
Huawei Technologies Proprietary
BBU3806 Operating Environment Requirements
Function
3-8
Chapter 3
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