Figure 4-39 COM ports
(1) COM1 port (2) COM2 port
– When there is only one smart cooling product, it communicates with the ECC
collector over the COM1 port.
– If multiple smart cooling products are networked, connect the COM1 port on the
rst smart cooling product to the COM port on the ECC collector, connect the
COM2 port on the
rst smart cooling product to the COM1 port on the second
smart cooling product, and connect the other smart cooling products in the same
way. A maximum of four smart cooling products can be networked.
● Both the COM ports of NetCol5000-A050, NetCol5000-A042, NetCol5000-
A035 and NetCol5000-A025 are on the main control modules at the smart
cooling product rear doors. The NetCol5000-A042 is used as an example to
show the position of the main control module.
iMaster NetEco
Device Installation and Commissioning Guide (Data
Center) 4 Connecting Monitoring Cables to Devices
Issue 02 (2021-05-12) Copyright © Huawei Technologies Co., Ltd. 121
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