4 BTS3900C Power System
About This Chapter
The BTS3900C supports 110 V AC, 220 V AC, and -48 V DC power supply. When AC power
is used, the base station converts AC power into -48 V DC power.
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.
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.
4.3 ETP48100-A1
The embedded telecommunication power 48100-A1(ETP48100-A1) system converts external
220 V or 110 V AC input power into -48 V DC power.
4.4 PDU10D-01
The power distribution unit 10D-01 (PDU10D-01) distributes -48 V DC power to all components
in the cabinet.
4.5 AC Surge Protection Box
The AC surge protection box provides surge protection for the input AC power.
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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