Epson EMP 9000 - SXGA LCD Projector Owner's Manual page 46

Refer to this illustration while following the steps below.
Mouse/Com 1 port
1. Connect the small end of the main cable to the projector's
Mouse/Com 1 port. (Use the Mouse/Com 2 port if you
are connecting a second computer.)
Mac mouse cable
(or USB mouse cable)
main cable
Connecting to a Computer
Mac serial cable
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