Table 3-36 Pin denitions for the COM1 and COM2 ports
Pin Signal Description
1 RS485_RX+ Receives data over RS485.
2 RS485_RX-
3 12 V Power supply
4 RS485_TX+ Transmits data over RS485.
5 RS485_TX-
6 Reserved -
7 Reserved -
8 GND Ground
Table 3-37 Pin denitions for the COM3/4 port
Pin Signal Description
1 RS485_RX+ Receives data over RS485.
2 RS485_RX-
3 RS232_RXD Receives data over RS232.
4 RS485_TX+ Transmits data over RS485.
5 RS485_TX-
6 GND Ground
7 CANH/
RS232_TXD
CAN data +/Transmits data over RS232.
8 CANL CAN data –
Table 3-38 Pin denitions for the COM5 port
Silk Screen
Signal Description
R+/TX RS485+/
RS232_TXD
RS485 data + or transmits data over RS232.
R-/RX RS485-/
RS232_RXD
RS485 data – or receives data over RS232.
GND GND Ground
iSitePower Integrated Smart Site (ICC1000-A1-E1)
User Manual 3 Components
Issue 04 (2022-10-15) Copyright © Huawei Technologies Co., Ltd. 58
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