Kramer VS-401USB User Manual

KRAMER ELECTRONICS LTD.

USER MANUAL

MODEL:

VS-401USB

4x1 USB Switcher

P/N: 2900-300029 Rev 1

VS-401USB – Contents i

Contents

1 Introduction 1
2 Getting Started 2

2.1 Achieving the Best Performance 2

2.2 Recycling Kramer Products 3

3 Overview 4
4 Defining the VS-401USB 4x1 USB Switcher 5
5 Connecting the VS-401USB 6

5.1 Connecting a PC 7

6 Operating the VS-401USB 8

6.1 The Application Software 8

7 Firmware Upgrade 9
8 Technical Specifications 10
9 Default Communication Parameters 11
10 Kramer Protocol 2000 12
11 Protocol 3000 14

11.1 Kramer Protocol 3000 Syntax 14

11.2 Kramer Protocol 3000 Commands 17

Figures

UFigure 1: VS-401USB 4x1 USB SwitcherU 5
UFigure 2: Connecting to the VS-401USBU 7

VS-401USB - Introduction 1

1

1 Introduction

Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been

providing a world of unique, creative, and affordable solutions to the vast range of

problems that confront the video, audio, presentation, and broadcasting

professional on a daily basis. In recent years, we have redesigned and upgraded

most of our line, making the best even better!

Our 1,000-plus different models now appear in 11 groups that are clearly defined

by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers;

GROUP 3: Control Systems; GROUP 4: Format/Standards Converters; GROUP

5: Range Extenders and Repeaters; GROUP 6: Specialty AV Products; GROUP

7: Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9:

Room Connectivity; GROUP 10: Accessories and Rack Adapters and GROUP 11:

Sierra Video Products.

Congratulations on purchasing your Kramer VS-401USB 4x1 USB Switcher,

which is ideal for the following typical applications:

• Projection systems in conference rooms, boardrooms, auditoriums, hotels

and churches, production studios, rental and staging

• Any application where high quality conversion and switching of multiple and

different video signals to graphical data signals is required for projection

purposes

2 VS-401USB - Getting Started

2 Getting Started

We recommend that you:

• Unpack the equipment carefully and save the original box and packaging

materials for possible future shipment

• Review the contents of this user manual

• Use only the power cord that is supplied with this machine

Go to http://www.kramerelectronics.com to check for up-to-date user
manuals, application programs, and to check if firmware upgrades
are available (where appropriate).

2.1 Achieving the Best Performance

To achieve the best performance:

• Use only good quality connection cables to avoid interference, deterioration

in signal quality due to poor matching, and elevated noise levels (often

associated with low quality cables)

• Do not secure the cables in tight bundles or roll the slack into tight coils

• Avoid interference from neighboring electrical appliances that may adversely

influence signal quality

• Position your Kramer VS-401USB away from moisture, excessive sunlight

and dust

This equipment is to be used only inside a building. It may only be
connected to other equipment that is installed inside a building.

Caution: There are no operator serviceable parts inside the unit

Warning:

Use only the Kramer Electronics input power wall
adapter that is provided with the unit

Warning:

Disconnect the power and unplug the unit from the
wall before installing

i

!

!

VS-401USB - Getting Started 3

3

2.2 Recycling Kramer Products

The Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC

aims to reduce the amount of WEEE sent for disposal to landfill or incineration by

requiring it to be collected and recycled. To comply with the WEEE Directive,

Kramer Electronics has made arrangements with the European Advanced

Recycling Network (EARN) and will cover any costs of treatment, recycling and

recovery of waste Kramer Electronics branded equipment on arrival at the EARN

facility. For details of Kramer’s recycling arrangements in your particular country

go to our recycling pages at

http://www.kramerelectronics.com/support/recycling/.

4 VS-401USB - Overview

3 Overview

The Kramer VS-401USB is a high quality 4x1 USB switcher. It accepts up to four

USB devices and switches the selected device to the host. The VS-401USB

always powers the selected port as well as the three that were not selected,

(allowing attached USB units to be charged, for example).

In particular, the VS-401USB features:

• Four DEVICE SELECT buttons

• Hi speed USB revision 2.0

• Firmware upgrade via RS-232

• Remote control via RS-232 port and/or RC-IR3 IR remote control transmitter

• An external 5V DC source, making it suitable for field operation