Huawei SMU11B User Manual

1.2 Expansion Box MUE03A
Appearance
Figure 1-5 MUE03A appearance
(1) Power input port (2) Communications port
COM_IN
(3) Communications port
COM_OUT1
(4) Communications port
COM_OUT2
(5) Communications port
COM_OUT3
Power Input Port
Table 1-7 Pin denitions for the power input port
Pin
Description
RTN Power supply +
-48V Power supply –
Communications Ports
Table 1-8 Communications port description
Communications
Port
Communications
Parameter
Communications
Protocol
Function
COM_IN Baud rate: 9600
bit/s, 19200 bit/s,
or 115200 bit/s
Master-slave and
Modbus protocols
Connects to the
monitoring
module.
COM_OUT1 Baud rate: 9600
bit/s, 19200 bit/s,
or 115200 bit/s
Master-slave and
Modbus protocols
Connects to an
intelligent device.
COM_OUT2
COM_OUT3
SMU11B Site Monitoring Unit
User Manual 1 Description of Components
Issue 03 (2022-06-06) Copyright © Huawei Technologies Co., Ltd. 6

Huawei SMU11B Specifications

General

Brand	Huawei
Model	SMU11B
Category	Network Hardware
Language	English