Expansion Box Mue03A - Huawei ETP4860-B1A2 User Manual

ETP4860-B1A2 Embedded Power
User Manual

3.5 Expansion Box MUE03A

Appearance
Figure 3-11 MUE03A appearance
(1) Power input port
(4) Communications port
COM_OUT2
Power Input Port
Table 3-15 Pin definitions for the power input port
Pin
RTN
-48V
Communications Ports
Table 3-16 Communications port description
Communicatio
ns Ports
COM_IN
COM_OUT1
COM_OUT2
COM_OUT3
Issue 04 (2021-01-05)
(2) Communications port
COM_IN
(5) Communications port
COM_OUT3
Description
Power supply +
Power supply –
Communications
Parameter
Baud rate: 9600
bit/s, 19200 bit/s,
or 115200 bit/s
Baud rate: 9600
bit/s, 19200 bit/s,
or 115200 bit/s
Copyright © Huawei Technologies Co., Ltd.
(3) Communications port
COM_OUT1
Communications
Protocol
Modbus protocol
Modbus protocol
3 Components
Function
Connects to the
monitoring
module.
Connects to
intelligent
equipment.
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