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Optional installation, Using rs232 to control the matrix switch – StarTech.com 4x4 HDMI Matrix Switcher with Audio and Ethernet Control (4K60) User Manual

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3.

Connect the

Universal Power Adapter

to the

Power DC

24V Port

, with the arrow on the

Universal Power Adapter

Connector Housing

facing upward. If aligned properly, the

Universal Power Adapter

will lock into the

Power DC 24V

Port

.

4.

Connect the other end of the

Universal Power Adapter

to

an

AC Electrical Outlet

.

Optional Installation

Using RS232 to Control the Matrix Switch

To control your

Matrix Switch

through

RS232

:

Connect a

9-Pin Serial Cable

(sold separately) to the

RS232

Serial Port

on the

Matrix Switch

and to an

RS232 Serial

Port

on the

Host Computer

.