Huawei iSitePower - Optional) Communications Expansion Module CIM02 C

Pin Signal Description
3 12 V Power supply
4 RS485+ RS485 data+
5 RS485- RS485 data–
6 Reserved -
7 Reserved -
8 GND Ground
Table 3-33 Pin
denitions for the COM3/CAN port
Pin Signal Description
1 RS485_RX+ Receives data over RS485.
2 RS485_RX-
3 Reserved -
4 RS485_TX+ Transmits data over RS485.
5 RS485_TX-
6 GND Ground
7 CANH CAN bus high level
8 CANL CAN bus low level
Table 3-34 Pin
denitions for the COM4 port
Silk Screen
Signal Description
R+ RS485+ RS485 data+
R- RS485- RS485 data–
3.2.12 (Optional) Communications Expansion Module CIM02C
It is used to extend the RS485/CAN port of the main control board and provides
12 V power supply for the southbound equipment.
iSitePower Integrated Smart Site (ICC1000-A1-E1)
User Manual 3 Components
Issue 04 (2022-10-15) Copyright © Huawei Technologies Co., Ltd. 56