With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dspuPuGroupV11R01
Cisco DSPU Pu Group V11 R01
1.3.6.1.4.1.9.9.24.2.2.7
Upstream/Downstream PU node information
Back to CISCO-DSPU-MIB MIB page.
IPHost Network monitor allows you to monitor dspuPuGroupV11R01 on Cisco 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.