With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
sleep-mode
sleep-mode
1.3.6.1.4.1.11.2.3.9.4.2.1.1.1.2
Returns eTrue if the device is in energy saving sleep mode, otherwise returns eFalse. Setting SLEEP-MODE to eFalse causes the device to wake up, if it is in sleep mode. Setting SLEEP-MODE to eTrue causes the device to go into sleep mode. Additional information: The HP LaserJet 2100 Series will always be in sleep mode except when either processing a print job or in an error state.
Back to 2100_snmp MIB page.
IPHost Network monitor allows you to monitor sleep-mode 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 mobile switches right now.