Options FollowSymLinks
<VirtualHost *>
        ServerName cas.devserver.com
        ServerAlias cas.devserver.com
        ServerAdmin webmaster@devserver.com
        DocumentRoot /var/www/htdocs/abc/def
        PerlSwitches -I/var/www/cgi-bin
        PerlSendHeader On
        <Location />
                Options FollowSymLinks
                PerlSendHeader On
                PerlHandler Test1::Test
                SetHandler perl-script
                Order deny,allow
                Allow from all
        </Location>
</VirtualHost>

[error] [client xxx.xxx.xxx.xxx] failed to resolve handler `Test1::Test':
      Can't locate Test1/Test.pm in @INC
      (@INC contains: /var/www/cgi-bin/ <snip> /usr/lib/perl5/5.8.8 . /etc/httpd)
      at (eval 9) line 3.n

Options +ExecCGI