With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
hdlcLocalState
hdlc Local State
1.3.6.1.4.1.11.2.14.3.8.8
********* THIS OBJECT IS OBSOLETE ********* Current local HDLC operational state.
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IPHost Network monitor allows you to monitor hdlcLocalState 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 switches right now.