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How to work with the CommBox Control Protocol

Learn how to use the CommBox Control Protocol to integrate and configure your CommBox screens with control systems like AMX, Crestron, and others. Full RS232 control protocol available

Applies To

  • All CommBox screens and some motorised stands

Step-by-Step Instructions

Step 1

Understand what the CommBox Control Protocol is
The CommBox Control Protocol allows integrators and IT managers to control CommBox screens remotely using RS232, or IP commands. This enables:

  • Power on/off scheduling

  • Input switching

  • Volume control

  • Status monitoring

  • Seamless integration with control systems (e.g. Crestron, AMX, Extron)

Step 2

Download the CommBox Control Protocol Document
This document contains all the commands, formats, and examples you need to configure CommBox Control.
📄 Download the CommBox Control Protocol Document

💡 Tip: Keep this PDF handy during setup or when troubleshooting commands—it includes all supported protocols and their syntax.

Step 3

Connect to the CommBox via RS232 or LAN

  • RS232: Connect using a serial cable from your control processor to the RS232 port on the CommBox

  • LAN (TCP/IP): Use the IP address of the CommBox to send commands over the network

Troubleshooting / What to Do If It Doesn’t Work

  • Commands not responding?

    • Check your connection (RS232 cable or IP address)

    • Confirm correct port

    • Make sure your control system sends plain text with no extra characters

  • Wrong response or no response?

    • Double-check command formatting in the protocol document

    • Test using a serial console or telnet session to isolate the issue