Communications
Port
Communications
Parameter
Communications
Protocol
Usage
HTTPS protocol Connects to a
PC and
manages the
SMU through
the WebUI.
TCP-Modbus
protocol
Adapts to
Huawei TCP-
Modbus
protocol and
connects to a
third-party
NMS.
RS485/RS232 Baud rate: 1200 bit/s,
2400 bit/s, 4800
bit/s, 9600 bit/s,
14400 bit/s, 19200
bit/s, 115200 bit/s
Master/slave
protocol
Connects to a
Huawei NMS.
YDN protocol Connects to a
third-party
management
system.
CAN Baud rate: 125 kbit/s CAN protocol Connects to
Huawei
southbound
devices.
NOTE
All these ports are protected by a security mechanism.
Figure 3-22 Communication port pins
Table 3-15 Pin denitions for the FE port
Pin
Signal Description
1 TX+ Transmits data over FE
2 TX-
3 RX+ Receives data over FE
6 RX-
PowerCube 1000 (STC, Saudi Arabia, ICC800-A1-C2,
ESC800-A1)
Installation Guide 3 Component
Issue 02 (2021-09-28) Copyright © Huawei Technologies Co., Ltd. 39
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