
Broadcast A/V Division
VAC-23SHU3
SDI/HDMI Video to USB 3.0 Adapter
User Manual

VAC-23SHU3 Manual
1. Introduction
The Marshall VAC23-SHU3 advanced USB 3.0 adapter easily connects video and audio sources to a
computer for video conferencing, video production and recording. Simple to use plug-and-play design
seamlessly integrates professional video sources to your choice of PC-based applications.
Table of Contents
Table of Contents
1. Introduction
2. Features
3. Package Contents
4. System Requirements
5. Connections and Indicators
6. Setup and Quick Start
7. Specifications
8. Block Diagram
01
02
02
02
02
03
04
05
06
Select either an HDMI or SDI video source with the flip of a switch. Active loop-through outputs keep
sources available for other purposes such as feeding monitors, recorders, etc.
UVC protocol support allows the application to control video format, frame rate and other settings
independent of the original source format.
Setup couldn’t be easier. The VAC-23SHU3 becomes fully functional within seconds after it is connected.
Powered by the USB port on the host computer, there are no power adapters to fiddle with.
2. Features
• 3G SDI Input with active loop-through output. Supports formats up to 1080p50/60
• HDMI 2.0 Input with active loop-through output.
• USB 3.0 computer interface with UVC control and scaling (backwards compatible with USB 2.0)
• Efficient design – All power derived from USB port
• Plug-and-Play. Driver installation not required for most applications
9. Tips and Fixes
Warranty
07
END
• Compatible with popular applications such as: Zoom, Skype, OBS Studio and many more.
3. Package Contents
• (1) VAC-23SHU3 Unit
• (1) USB 3.0 “A - type” to “B - type” Cable
• (2) Mounting brackets with (4) attachment screws
4. System Requirements
• Host computer with recent operating system, preferably Windows 10 or Mac OS X
• Available USB 3.0 port (supports up to 1080p60 to host computer) or,
• Available USB 2.0 port (supports up to 720p60 to host computer)
www.marshall-usa.com1 2