With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
hpicfSlotLastChange
HP Integrated Communication Facility Slot Last Change
1.3.6.1.4.1.11.2.14.11.1.2.3.1.3
The value of the agent's sysUpTime at which a card in this slot was last inserted or removed. If no module has been inserted or removed since the last reinitialization of the agent, this object has a zero value.
Back to hp-icf MIB page.
IPHost Network monitor allows you to monitor hpicfSlotLastChange on Hewlett Packard device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.