With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
adsl2LInvVersionNumber
ADSL2 L Inv Version Number
1.3.6.1.2.1.10.238.1.3.1.1.4
The ATU version number (vendor-specific information) as inserted in the Overhead Messages (both ATUs for G.992.3 and G.992.4) or in the Embedded Operations Channel (only ATU-R in G.992.1 and G.992.2). It consists of up to 16 binary octets.
Back to ADSL2-LINE-MIB MIB page.
IPHost Network monitor allows you to monitor adsl2LInvVersionNumber 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.