StarTech.com VS421HD4KA 4 Port HDMI Switch Quick Install Guide

StarTech.com VS421HD4KA 4 Port HDMI Switch

Product Overview

Front View

1. Input selection button
2. HDMI input port (in1)
3. Mode selection switch
4. IR sensor
5. LED Indicators

Rear View

1. Power adapter port
2. RJ-11 serial jack
3. EDID copy button
4. HDMI output port
5. HDMI input ports (in2, in3, in4)

Packaging contents

• 1 x 4-port HDMI switch
• 1 x remote control
• 1 x universal power adapter (NA/EU/UK/AU)
• 1 x RJ11 cable
• 1 x RJ11 to DB-9 serial adapter
• 1 x mounting kit
• 1 x quick start guide

System requirements

• 4 x HDMI-enabled Video Source Devices w/ HDMI cable (i.e. Blu-ray player, computer, etc.)
• 1 x HDMI-enabled Display Device w/ cable (i.e. Television, projector, etc.)

Operating system requirements are subject to change. For the latest requirements, please visit www.startech.com/VS421HD4KA.

Installation

Note: Ensure your HDMI-enabled video source devices and the HDMI-enabled display are powered off before you begin installation.

1. Connect an HDMI cable (not included) from each of the HDMI output ports on your HDMI source devices, to the HDMI input port on the HDMI switch.
   Notes: Each port is numbered, please take note of which number is assigned to each HDMI source device.

2. Connect an HDMI cable (not included) from the output port on the HDMI Switch to your HDMI display device.

3. Power on your HDMI display, followed by each of your HDMI source devices.

4. Connect the included power adapter from an available power source to the power adapter port on the HDMI switch.

5. (Optional for serial control) Connect the included RJ11 cable to the RJ11 to DB-9 serial adapter. Then connect the D9 connector to a 9-pin serial port on your computer system.

6. Your HDMI switch is now ready for operation.

Operation

• Automatic operation

  • The HDMI switch features automatic operation that allows the switch to automatically select the most recently activated or connected HDMI source device.
  • Simply connect a new device or turn on an already connected device to automatically switch video sources.

• Priority operation
  The HDMI switch features priority operation which will prioritize ports 1, 2, 3 and 4 respectfully. When you turn on a higher prioritized video source device (i.e port-1 ), that video source will automatically be selected. Turning off the device will automatically switch back to the lower prioritized video source (i.e: port-4).

• Manual operation
  Manual mode enables you to switch between video sources with push button operation.

• Manual operation with selection button

  • Press the input Selection button, on the front of the switch to toggle between each video source device.
  • The active port LED indicator will light as video sources are switched, indicating which port is selected.

• Manual operation with remote control
  Press buttons 1 through 4 on the remote control to switch between HDMI ports in1 to in4 respectively.

• Manual operation with serial control

  • Configure the settings on your serial port the belowconfiguration:
  • Baud Rate: 38400 bps Data Bits: 8
  • Parity: None
  • Stop Bits: 1
  • Flow Control: None

• Open your terminal software to communicate through the serial port that the switch is connected to, and use the on-screen commands displayed to operate and configure your switch.

LED Indicators

The selected LED

emits green and goes off 3 times per 2 sec. The non-selected LED goes off.

| The input video signal isn’t ready.
The selected LED

emits green and goes off once per 2 sec.

| The input video signal is ready but

cannot detect the monitor.

The selected LED

emits steady green

| The input video signal is ready and can

detect the monitor.

The selected LED

emits green with red flashing 3 times

| The input video signal & monitor HDCP

unmatched.

FCC Compliance Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by StarTech.com could void the user’s authority to operate the equipment.

• Industry Canada Statement
  This Class B digital apparatus complies with Canadian ICES-003.
  CAN ICES-3 (B)/NMB-3(B)

• Use of Trademarks, Registered Trademarks, and other Protected Names and Symbols
  This manual may make reference to trademarks, registered trademarks, and other protected names and/or symbols of third-party companies not related in any way to StarTech.com. Where they occur these references are for illustrative purposes only and do not represent an endorsement of a product or service by StarTech.com, or an endorsement of the product(s) to which this manual applies by the third-party company in question. Regardless of any direct acknowledgement elsewhere in the body of this document, StarTech.com hereby acknowledges that all trademarks, registered trademarks, service marks, and other protected names and/or symbols contained in this manual and related documents are the property of their respective holders.

• Technical Support
  StarTech.com’s lifetime technical support is an integral part of our commitment to provide industry-leading solutions. If you ever need help with your product, visit www.startech.com/support and access our comprehensive selection of online tools, documentation, and downloads. For the latest drivers/software, please visit www.startech.com/downloads

• Warranty Information
  This product is backed by a two year warranty. StarTech.com warrants its products against defects in materials and workmanship for the periods noted, following the initial date of purchase. During this period, the products may be returned for repair, or replacement with equivalent products at our discretion. The warranty covers parts and labor costs only. StarTech.com does not warrant its products from defects or damages arising from misuse, abuse, alteration, or
  normal wear and tear.

• Limitation of Liability
  In no event shall the liability of StarTech.com Ltd. and StarTech.com USA LLP (or their officers, directors, employees or agents) for any damages (whether direct or indirect, special, punitive, incidental, consequential, or otherwise), loss of profits, loss of business, or any pecuniary loss, arising out of or related to the use of the product exceed the actual price paid for the product. Some states do not allow the exclusion or limitation of incidental or consequential damages. If such laws apply, the limitations or exclusions contained in this statement may not apply to you.

FREQUENTLY ASKED QUESTIONS

What is the StarTech.com VS421HD20 HDMI Automatic Video Switch?

The StarTech.com VS421HD20 is an HDMI Automatic Video Switch that allows you to connect and switch between four HDMI source devices and one HDMI display automatically.

How does the HDMI Automatic Video Switch work?

The VS421HD20 automatically detects the active HDMI source device and automatically switches to that device, eliminating the need for manual input selection.

Does the Automatic Video Switch support 4K Ultra HD resolution?

Yes, the VS421HD20 typically supports resolutions up to 4K Ultra HD (3840x2160) at 60Hz.

Can I use this Automatic Video Switch with older HDMI devices that support lower resolutions?

Yes, the VS421HD20 is backward compatible with lower resolutions, such as 1080p or 720p, and can work with older HDMI devices.

Does the VS421HD20 support HDCP (High-bandwidth Digital Content Protection)?

Yes, the Automatic Video Switch supports HDCP compliance, ensuring compatibility with protected content.

Can I manually switch between HDMI source devices using the Automatic Video Switch?

While the VS421HD20 is primarily designed for automatic switching, it may include manual switching options through a remote control or front-panel buttons.

Is the Automatic Video Switch compatible with gaming consoles, media players, and Blu-ray players?

Yes, the VS421HD20 is compatible with various HDMI source devices, including gaming consoles, media players, Blu-ray players, and more.

Does the VS421HD20 support audio pass-through to the display?

Yes, the Automatic Video Switch typically supports audio pass-through, sending the audio signal along with the video to the connected display.

Does the Automatic Video Switch require external power?

Yes, the VS421HD20 Automatic Video Switch requires external power for proper operation.

Can I use this Automatic Video Switch to extend the distance between my HDMI devices and the display?

The Automatic Video Switch is not designed for signal extension, but you can use HDMI signal extenders or boosters along with it to extend HDMI signals over longer distances.

Can I use the Automatic Video Switch with my computer and dual monitors?

The VS421HD20 is not typically designed for dual monitor setups; it is meant for automatic switching between HDMI source devices and a single display.

Does the VS421HD20 support automatic input prioritization or EDID management?

The Automatic Video Switch may support automatic input prioritization, selecting the most recently activated HDMI source, and may include EDID management for proper communication between source devices and the display.

Is the Automatic Video Switch compatible with 3D content?

Yes, the VS421HD20 Automatic Video Switch is generally compatible with 3D content, provided that the connected display and HDMI devices support 3D.

Can I use the Automatic Video Switch to create a multi-room audio/video setup?

The VS421HD20 is primarily designed for video switching, and it may not support multi-room audio distribution. It is best suited for single-display setups.

Can I cascade multiple Automatic Video Switches for more input options?

The VS421HD20 is not typically designed for cascading multiple units, as it is meant to switch between four HDMI source devices.

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