Chapter
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2-3
●
There should be no explosive, conductive, magnetic or corrosive dust in the
equipment room.
●
The dust (diameter more than 5µm) density should be no more than 3
×
10
4
granules/m
3
.
●
No corrosive metal or gas that is harmful to insulations, such as SO
2,
NH
3
. in the
equipment rooms.
●
The equipment room should be always kept clean, with the doors and windows
properly sealed.
4. Lighting
The equipment room should be equipped with three types of lighting facilities:
common lighting, guaranteed lighting and emergency lighting.
5. Fire-proof
requirements
The paint and decoration materials in the equipment room should be fire-proof.
The cabling holes through the wall should be filled with fire-retardant materials.
Fire-fighting devices should be equipped at the appropriate positions.
2.1.3 Inspection of Power Supply
Inspect that the power supply of the equipment room meets the power consumption
requirement of the BTS.
2.1.3.1
Power Supply Range
Please see Table 2.1-1 for the DC power Indexes for the normal operation of
ZXC10-BTSB I2 (supporting 24V DC power).
Table 2.1-1 DC Power Indexes for the Normal Operation of BTS
Item DC
Power
Nominal value
-48V
Voltage fluctuation range
-40~-57V
2.1.3.2
Power Consumption
Power supply and power consumption: The power consumption of ZC10-BTS refers to
the overall power consumption when the operating voltage is -48V and the output
power of each power amplifier is 20W, as shown Table 2.1-2.
