if ( $data eq "8000" || $data eq "0080" ) {
    $tid = "TEST";
    $buf = "TEST SYSTEM";
} 
elsif ...

##</code><code>##

if ( $data eq "8000" or $data eq "0080" ) {
    $tid = "TEST";
    $buf = "TEST SYSTEM";
} 
elsif ...

##</code><code>##

if ( $data eq "8000" || "0080" )