2
Overview
2.1 Introduction
The ETP4860-B1A2 is an embedded power system that supplies power to –48 V
DC telecom equipment. It has a maximum output current of 60 A.
2.2 System Features
●
Supports AC or HVDC input. AC input voltage range: 85–300 V AC; HVDC
input voltage range: 85–420 V DC
●
Comprehensive battery management
●
One northbound FE port, one southbound RS485 port, and one CAN port on
SMU11B; one northbound RS485 port, one southbound RS485 port, and one
CAN port on SMU11C
●
Communication and alarm functions; remote monitoring and online upgrade
●
Hot-swappable rectifiers and monitoring module
2.3 System Configurations
Table 2-1 System configuration
Item
System Configuration
Subrack
1 U power system
Power distribution unit
(PDU)
● AC or DC input: M4 OT wiring terminal
● DC output: supports a maximum of four 32 A
circuit breakers or one 16 A circuit breakers.
● Battery route: one 50 A circuit breaker
NOTE
When the circuit breaker is switched off, the –48 V (–)
circuit is disconnected, and the RTN (+) circuit is
connected.
ETP4860-B1A2 Embedded Power
User Manual
2 Overview
Issue 04 (2021-01-05)
Copyright © Huawei Technologies Co., Ltd.
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