With the help of the ttVersion utility, you get:
[oracle@Exalytics-01 bin]$ ./ttVersion
TimesTen Release 11.2.2.2.0 (64 bit Linux/x86_64) (tt1122:53396) 2011-12-23T09:26:28Z
Instance admin: oracle
Instance home directory: /u01/app/oracle/product/fmw/../TimesTen/tt1122
Group owner: oinstall
Daemon home directory: /u01/app/oracle/product/fmw/../TimesTen/tt1122/info
PL/SQL enabled.