User manual

Modular Matrix Switcher 8x8 (with Audio)

PTN Electronics Limited 15 www.PTN-electronics.com

4.2. IR Remote control

With the IR remote, MMX88A could be controlled remotely. As the function buttons on

the IR remote are the same with the ones on the front panel, the IR remote shares the

same operations and commands with the control panel.

Press the buttons under below format:

“Input Channel” + “Switch Mode” +“Output Channel”

Figure 4- 1 Panel of the IR Remote

4.3. RS232 Control

4.3.1. Connection of RS232 Communication Port

Except the front control panel and IR remote, MMX88A can be controlled by far-end

control system or through the Ethernet control via the RS-232 communication port.

This RS-232 communication port is a female 9- D connector. The definition of its pin

layout is shown in the table below.

Input channel buttons,

including 1~10+

Menu buttons, including

switching buttons and

function buttons

Output channel buttons,