With IPHost Network Monitor you can run simple snmp requests against a Huawei device in your network.
arSlotHeldBoardIndex
ar Slot Held Board Index
1.3.6.1.4.1.207.8.4.4.5.3.1.3
The index of the board held in the slot for this slot entry. This is an index into the arBoardTable. A value of 0 for this object means that the slot is not populated.
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IPHost Network monitor allows you to monitor arSlotHeldBoardIndex 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 firewalls right now.