Which are the SEP agent versions manageable by SEPM v12 console?

We have several old versions of Symantec AV deployed with two different operative SEP Manager: versions 12.1 and 14. We know that the SEPM v14 supports 14 and 12.1 agents . Which are the agent versions manageable officially by the SEPM v12.1? I cannot find any explicit documentation on it. I would know if SEP agent 11.x (or older 10.x) can be managed and kept updated using the 12.1 console.