CTS Exam Dumps : Certified Technology Specialist

When upgrading or modernizing a facility, it is essential to check that wireless microphones are operating on acceptable radio frequencies. This ensures compliance with local regulations and avoids interference with other wireless devices. The radio frequency spectrum can change over time, and certain frequencies may be reallocated or restricted, making it necessary to verify that existing equipment is still compliant and operational within the allowable frequency bands.

When upgrading an AV system in a boardroom and adding control of the lights and shades to the control panel, the most relevant information to gather is the communications protocols. Understanding the protocols used by the lighting and shading systems ensures compatibility with the AV control panel, enabling seamless integration. Axis Technology Specialist documentation highlights the necessity of knowing communication protocols to ensure different systems can interact correctly and be managed from a unified control interface.

The RS-232 standard is a common serial communication protocol often used for connecting and controlling various AV devices. It typically employs a DB9 connector, which is illustrated in Option C. The DB9 connector is a 9-pin D-sub connector, widely used in RS-232 connections due to its reliable performance in transmitting serial data.

Here’s an overview of the connector options in the image:

Option A: This is an RJ-45 connector, commonly used for Ethernet networking (data communication), not for RS-232.

Option B: This is a VGA connector, often used for video signals, typically between computers and monitors.

Option C: This is a DB9 (DE-9) connector, which is most commonly associated with RS-232 serial connections.

Option D: This is an XLR connector, generally used for audio signals, especially in professional audio applications.

CTS Technology Specialist ReferenceIn AV systems integration, RS-232 is frequently employed for control and communication between devices such as projectors, displays, and control processors. According to CTS training materials, the DB9 connector is the most recognized form of connection for RS-232 due to its reliability and ease of integration in various AV systems.