
ETP4830-A1 Embedded Power
User Manual
3 Components
Issue 10 (2017-08-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
21
Figure 3-11
Communications port
Table 3-15
describes the pins in the COM port and RS485/RS232 port.
Table 3-15
Pins in the RS485/RS232 port
Pin
Signal
Description
1
TX+
Sends data over RS485.
2
TX-
4
RX+
Receives data over RS485.
5
RX-
3
RX232
Receives data over RS232.
7
TX232
Sends data over RS232.
6
PGND
Protective grounding.
8
Reserved
N/A