No POD found for Makefile.PL. Time to read the source?
Makefile.PL
To install Mac::Comm::OT_PPP, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Mac::Comm::OT_PPP
CPAN shell
perl -MCPAN -e shell install Mac::Comm::OT_PPP
For more information on module installation, please visit the detailed CPAN module installation guide.