Figure 4-3 ETP48100-A1 components
(1) PMU 11A (2) PSU (3) ETP48100-A1 subrack
4.3.2 ETP48100-A1 Subrack
The embedded telecommunication power 48100-A1 (ETP48100-A1) subrack houses the PMU
11A and PSU. It also distributes AC input power and DC output power.
Exterior
Figure 4-4 shows an ETP48100-A1 subrack.
Figure 4-4 ETP48100-A1 subrack
(1) AC input terminal
(2) Circuit breaker (3) DC output terminal
Table 4-5 describes the ports on an ETP48100-A1 subrack.
Table 4-5 Ports on an ETP48100-A1 subrack
Port
Silkscreen Connector
AC input terminal INPUT OT terminal
Circuit breaker LOAD0/LOAD1 -
DC output terminal OUTPUT OT terminal
BTS3900C (Ver.C)
Hardware Description 4 BTS3900C Power System
Issue 03 (2013-05-27) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
98