BenQ IL5501 55" SmInteractive Signage Display - Manual (Page 25)

Connection 25
Connecting to serial port
Connect the RS232 jack on the display to the RS232 port on a computer through an
RS232 cable.
• The applicable cable is not supplied and should be purchased separately.
• This connection is applicable to straight-through RS232 cable only.
• After using serial port line to connect central control equipment and machine, certain function
of the machine can be controlled via central control equipment, such as: machine on/off, and
adjustment of sound volume, etc.
RS232 cable
Computer