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HUAWEI Telecom Rectifier ETP4890 Ethernet Communication Hot-Swappable SNMP Battery Management
Introduction
The ETP4890-A2 is a box-type power system that supplies power for –48 V DC communications equipment. It uses 15 A or 30 A rectifiers and provides a maximum output current of 90 A.
Features
The ETP4890-A2 has the following features:
(1) Supports a wide voltage range of 85 V AC to 300 V AC.
(2) Provides comprehensive battery management.
(3) The SMU01A communicates with Huawei Network Ecosystem (NetEco)
and third-party network management systems (NMSs) over various
security protocols, such as the Simple Network Management Protocol
(SNMP) and Hypertext Transfer Protocol Secure (HTTPS), featuring
flexible networking. It provides WebUI and implements remote
unattended management.
(4) The SMU01B supports Huawei master/slave protocols and access
network point-to-point protocols, which allows Huawei access
network communications equipment to connect to the U2000.
(5) Displays information on a liquid crystal display (LCD) and
provides buttons for operations.
(6) Supports electronic labels.
(7) Rectifiers and the site monitoring unit (SMU) are
hot-swappable.
(8) Allows high-efficiency and standard-efficiency rectifiers with
the same capacity to coexist.
(9) The rectifier power factor is 0.99.
ETP4890-A2 configuration diagram
PDU panel
Rectifier panel
SMU01A panel
Communications ports
Port
| Communications Mode
| Communications Parameters
|
COM
| FE | Autonegotiation |
RS485/RS232 | Baud rate: 9600 bits/s or 19,200 bits/s | |
RS485/RS232
| RS485/RS232 | Baud rate: 9600 bits/s or 19,200 bits/s |
