With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
parallelOutOctets
parallel Out Octets
1.3.6.1.4.1.11.2.3.9.3.1.4.11
The number of octets sent out the parallel port since the last time this counter was reset.
Back to hp-700rx MIB page.
IPHost Network monitor allows you to monitor parallelOutOctets 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 firewalls right now.