With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dspuPuAdminRemoteAddress
Cisco DSPU Pu Admin Remote Address
1.3.6.1.4.1.9.9.24.1.4.1.1.19
Poll address, DLCI, or subscriber address associated with the remote PU.
Back to CISCO-DSPU-MIB MIB page.
IPHost Network monitor allows you to monitor dspuPuAdminRemoteAddress on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.