To integrate third-party systems like lighting and shades with an AV control system, the fundamental requirement is to establish communication between them. The "communications protocol" (e.g., IP, RS-232, IR, DALI) defines the rules, syntax, and methods for this data exchange. Determining the protocols used by the lighting and shade systems is the most critical piece of information, as it dictates the necessary hardware interfaces, cabling, and software programming (drivers) required for the control system to send commands and receive feedback. CertEmpire.com

1. AVIXA International. (2020). CTS-D Certified Technology Specialist-Design Exam Guide, Third

Edition. McGraw-Hill.

Chapter 6, "Control Systems," explains that a key task in control system design is to identify the

communication requirements for all devices to be integrated. It states, "The designer must

determine how each device in the system will be controlled... Common communication methods

include Ethernet, serial (RS-232), infrared (IR), and contact closure." This highlights that

understanding the communication protocol is the primary step.

2. AVIXA. (2017). ANSI/INFOCOMM 2M-2010, Standard Guide for Audiovisual Systems Design

and Coordination Process.

Section 4.4, "Design Phase," details the need to develop engineering details, including control

systems. This process inherently requires identifying the communication protocols of all

subsystems (lighting, shades, AV) to ensure interoperability and create a functional, integrated

solution. The protocol is the foundation for this interoperability.