With IPHost Network Monitor you can run simple snmp requests against a Huawei device in your network.
envMonFanBoardIndex
Environment Monitor Fan Board Index
1.3.6.1.4.1.207.8.4.4.3.10.1.1.1
The index of the board hosting this fan in the board table.
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IPHost Network monitor allows you to monitor envMonFanBoardIndex on Allied Telesis device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Allied Telesis routers right now.