Huawei Telecom Power TP48200A-DX12A1 User Manual page 34

TP48200A-DX12A1 Telecom Power
User Manual
Port Type
Communications port
Communications Port
Table 3-9 COM communications port description
Communications Port
COM port
NOTE
The COM port is protected by a security mechanism.
Figure 3-9 Pins in the COM port
Table 3-10 Pin definitions for the COM port
Pin
1
2
4
Issue 07 (2019-11-15)
Silk Screen
ALM5
ALM6
ALM7
ALM8
COM
Communications
Parameter
Baud rate: 9600 bit/s, 19,200
bit/s, 115,200 bit/s
Signal
RX+
RX-
TX+
Copyright © Huawei Technologies Co., Ltd.
Description
RS485 port
Communications
Protocol
Master/slave protocols
and Modbus
Description
Receives data over RS485.
Sends data over RS485.
3 Components
Function
Connects to a
lower-level device
such as the battery
voltage detector or
intelligent air
conditioner.
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