Figure 4-40 NetCol5000-A042 main control module
(1) Main control module
Figure 4-41 COM port on the main control module
(1) COM port
● Open the smart cooling product rear door, remove the lter, and connect the
network cable to the communications port J73 on the main control module in
NetCol5000-A020/NetCol5000-C030.
The following gure shows the pin sequence of the network cable that connects to the J73
communications port.
Figure 4-42 Pin sequence of a network cable
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. 122
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