How to connect to 9i database using 8i sqlplus?

Hello,
My Oracle server is running 9.2.0.1
My Oracle client processes run on the same machine using Oracle 8i (ORACLE_HOME is set to 8i home).
I cannot connect to 9i database using 8i sqlplus.
My ORACLE_HOME for client environment is set to 8i home.
How can I access 9i database using 8i sqlplus?
Thanks in advance!

I saw this answered in another thread:
8i sqlplus not working on 9i
Please try not to cross post.
Alison

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