Table 8-1 Component configuration of the ETP4890 power system
Component Configuration
AC and DC power distribution subrack 1
Monitoring module 1
Rectifier module 1 to 3 (optional)
The ETP4890 power system can be configured with three rectifier modules, which are connected
in parallel for output.
Table 8-2 shows the mapping between the quantity of rectifier modules in the ETP4890 power
system and the maximum output current.
Table 8-2 Mapping between the quantity of rectifier modules of the ETP4890 power system
and the maximum output current
Quantity of Rectifier Modules Maximum Output Current
1
l 30 A,55°C
l 25 A,60°C
2
l 60 A,55°C
l 50 A,60°C
3
l 90 A,55°C
l 75 A,60°C
Communication Ports on the Monitoring Module
Table 8-3 describes the communication ports on the monitoring module. A user can set the baud
rate of the device using the LCD or web interface of the monitoring module.
Table 8-3 Communication ports on the monitoring module
Communication
Port
Communication
Mode
Communication
Parameter
Description
COM RS485/RS232 Baud rate: 9600 bit/s
or 19200 bit/s
Used as a serial port,
communicating with
the upper device
RS485/RS232 RS485/RS232 Baud rate: 9600 bit/s
or 19200 bit/s
Used as a serial port,
supporting the
northbound/
southbound
communications
UA5000 Universal Access Unit
Environment Monitoring 8 ETP4890 Monitoring Solution
Issue 01 (2012-08-17) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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