Huawei ETP4830-A1 User Manual page 25

ETP4830-A1 Embedded Power
User Manual
Port
RS485/RS232
NOTE
All the preceding ports are protected by a security mechanism.
Figure 3-8 Communications port
Table 3-10
Table 3-10 Pins in the RS485/RS232 port
Pin
1
2
4
5
3
7
6
8
Issue 10 (2017-08-08)
Communications Mode
RS485/RS232
describes the pins in the COM port and RS485/RS232 port.
Signal
TX+
TX-
RX+
RX-
RX232
TX232
PGND
Reserved
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3 Components
Communications
Parameters
Baud rate: 9600 bits/s or
19,200 bits/s
Description
Sends data over RS485.
Receives data over RS485.
Receives data over RS232.
Sends data over RS232.
Protective grounding.
N/A
17