StarTech.com ST222MX Manual

Dual Input VGA Matrix Video Splitter

ST222MX

ST224MX

ST228MX Instruction Guide

The Professionals’ Source For Hard-to-Find Computer Parts

MATRIX SPLITTER

* Actual product may vary from photo

* ST228MX shown

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.

Table of Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Operation for Cascade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Input/Output Signal Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Introduction

Thank you for purchasing a StarTech.com Dual Input VGA Matrix Video Splitter for your

desktop computer or workstation. The ST222MX, ST224MX and ST228MX offer the

highest quality video on multiple monitor hookups. The Matrix Video Splitter allows

you to connect two, four or eight monitors to two or more computers and switch the

video signals to any desired monitor. The Matrix Video Splitter is ideal for Public Video

broadcast systems, demos and presentations, in-store product merchandising,

information kiosks, and financial institutions.

Features

•Allows two computers to display different images on various monitors

•Works with VGA, SVGA, XGA and Multisync monitors

•Provides a resolution of up to 1920 x 1440 pixels with its high video bandwidth

(250 Mhz)

•Uses standard monitor extension cables (StarTech.com coaxial VGA cables

recommended for best picture quality)

•Extends the video signal up to 213 ft. (65 m.) from your computer

•Able to daisy chain multiple monitor hookups

•Backed by StarTech.com’s one-year warranty

Before You Begin

To ensure a quick and easy device installation, please read this section carefully before

installing the splitter.

Contents

This package should contain:

•1x Matrix Video Splitter

•1x power adapter (AC 7.5V 800mA)

Installation

1. Turn off the power to the computers and monitors.

2. Connect a HD-15 video extension cable between the VGA cards of the computers and

the “Video In” ports on the back of the Matrix Video splitter.

3. Connect the HD-15 video extension cables from the monitors and plug them into the

“Video Out 1” and “Video Out 2” ports on the back of the splitter.

4. Turn on the computers and the monitors.

5. Connect the input power jack to the back of the matrix video splitter and plug the

power adapter into the wall or power bar.

6. Use the SELECT buttons on the front of the splitter to obtain the image either from

PC “A” ( the Linked LED “A” light displays in green) or from PC “B” ( the Linked

LED “B” light displays in red).

7. If the Linked LED “A” or Linked LED “B” does not display any color then the splitter

has been switched off.

NOTE:

•All the “Video Out” ports will connect with the “Video In” port of PC A while

turning on the matrix video splitter

•If you install the DDC monitor for the matrix video splitter, the rest of the monitors

must be the same resolution as the DDC monitor.

•Through the functionality of the DDC monitor, the “Video In” port of A will connect

with the “Video Out” on port 1 and the “Video In” port of B will connect with the

“Video Out” on port 2.

•Available monitors include the VGA, SVGA, XGA, Multisync, and exclude the CGA,

EGA, and MonoChrome.

Operation for Cascade

If you need to add more monitors, you need to attach an additional matrix video splitter

box.

1. Connect a HD-15 male/male video extension cable from the “Video Out 1” port of

the first Matrix Video splitter box to the “Video In” port of your second matrix video.

2. Connect the input power jack to the back of the Matrix Video splitter and plug the

power adapter into the wall or power bar.

NOTE: Even though you can cascade the splitters, the image might become unstable if

you cascade too many tiers of video splitters.

Technical Specifications

Input/Output Signal Specifications

Max. Resolution 1920 x 1440 (60 Mhz)

Pixel Frequency 250 MHz

Cable Distance 65m (213”) Maximum

(Device to Monitor)

Signal Type VGA, SVGA, XGA, Multisync

Power Adapter (Min.) AC 7.5V (800mA)

Housing Metal

Standards DVI 1.0 by DDWG

Safety Standards FCC and CE Mark

Pin# Signal

1Red Video

2Green Video

3Blue Video

4ID2*

5Ground

6Analog Ground

7Analog Ground

8Analog Ground

9NC

10 Ground

11 ID0 *

12 ID1 *

13 Horizontal sync.

14 Vertical sync.

15 ID3 *

*For Video out port 1 and 2

Technical Support

The following technical resources are available for this StarTech.com product:

On-line help:

We are constantly adding new information to the Tech Support section of our web site. To

access this page, click the Tech Support link on our homepage, www.startech.com. In the

tech support section there are a number of options that can provide assistance with this

product.

Knowledge Base - This tool allows you to search for answers to common issues using

key words that describe the product and your issue.

FAQ - This tool provides quick answers to the top questions asked by our customers.

Downloads - This selection takes you to our driver download page where you can

find the latest drivers for this product.

Call StarTech.com tech support for help:

USA/Canada: 1-519-455-4931

UK/Ireland/Europe: 00-800-7827-8324

Support hours: Monday to Friday 9:00AM to 5:00PM EST (except holidays)

Warranty Information

This product is backed by a one-year warranty. In addition, 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.

Revised: December 01, 2003

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