Huawei BTS3900C, Hardware Description

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4.1 Configurations of Upper-Level Circuit Breakers and
Power Cables
This section describes the recommended configurations of upper-level circuit breakers and
power cables for the BTS3900C. The recommended configurations are based on a fully
configured base station.
Table 4-1 lists the recommended configurations of upper-level circuit breakers and power cables
for a BTS3900C AC cabinet.
Table 4-1 Recommended configurations of upper-level circuit breakers and power cables for a
BTS3900C AC cabinet
Input Power Requirement for
the Circuit
Breakers on
Customer
Equipment Cross-sectional
Area of an Input
Power Cable Length of an Input
Power Cable
220 V AC single-
phase
16 A/1 P
(1)
4 mm
2
(0.025 in.
2
)
≤ 15 m
110 V AC dual-live-
wire 20 A/2 P
NOTE
(1) P is short for Pole, indicating the number of switches simultaneously controlled by a pole.
Table 4-2 lists the recommended configurations of upper-level circuit breakers and power cables
for a BTS3900C DC cabinet.
Table 4-2 Recommended configurations of upper-level circuit breakers and power cables for a
BTS3900C DC cabinet
Input Power Requirement for
the Circuit
Breakers on
Customer
Equipment Cross-sectional
Area of an Input
Power Cable Length of an Input
Power Cable
-48 V DC 32 A/1 P
4 mm
2
(0.025 in.
2
)
≤
10 m
4.2 Power Distribution for the BTS3900C
This section describes power distribution schemes for BTS3900C cabinets when 110 V AC, 220
V AC, or -48 V DC power is supplied.
BTS3900C (Ver.C)
Hardware Description
4 BTS3900C Power System
Issue 03 (2013-05-27) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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