Epson EMP 8100NL Owner's Manual page 76

G Macintosh Computers
Connect the projector's Mouse/Com Port to the computer's printer port or modem port with
the use of the Mac Serial Cable and main cable supplied.
Printer port or
Modem port
(supplied with the projector)
74 - Computer Connections
MAC SERIAL
Mac Serial Cable
Mouse/Com Port
Main Cable
(supplied with the projector)