Huawei FusionCol8000-C210 Quick Manual page 14

MAC_CAN teamwork + RS485 monitoring
Networking Teamwork
Protocol MAC_CAN
Connect the COM/FE port on the main control module of the last smart cooling product in each
group to the RS485 port on the host.
MAC_CAN teamwork + FE monitoring
Networking Teamwork
Protocol MCA_CAN
Customers can purchase Huawei's switch and NetEco for the monitoring system.
Monitoring
Modbus-RTU
13
Monitoring
Modbus-TCP/SNMP